Post on 25-Feb-2021
Annexure -1
SUPPLY, INSTALLATION,
TESTING AND
COMMISSIONING OF
ELECTRO-DYNAMIC
VIBRATION TEST SYSTEM
1
Preamble
The Vibration test system is required for Environmental Stress Screening & Dynamic
Testing of satellite components, electronic packages and subsystems. Adequate electrical
interfacing, static load capacity and moment capacity are to be built into the system for this
application. The quoted system should have proven heritage with installation base in space
industry for similar requirements and applications of vibration testing of spacecraft and
subsystems.
The Vibration test system used for testing of satellite subsystems has to meet stringent
aerospace test requirements. The system should be highly reliable and of high precision. The
system has to function uninterruptedly, with minimum time lost in maintenance.
The essential requirements for Vibration Test system for testing satellites subsystems are:
High acceleration
High shock
Low Distortion
Low Cross Axial Response
High over turning moment restraint
Large Dynamic Range.
Common base Shaker system with factory alignment and quick transition between
longitudinal axis to lateral axis connecting shaker to slip table.
Precision bearing guidance for shaker and slip-table.
Modular design of power amplifiers for ease and quick maintenance.
Safety interlocks considering machine and the specimen under test.
High Precision Vibration Control system
Offers are invited only from the reputed suppliers, having experience and heritage in supplying
electro-dynamic shaker of 25kN capacity or higher, to supply, install and commission a Vibration
Test system as per specifications detailed in the following sections.
2
Contents
I Terminology used in this specification
II Scope of Supply and Work
III Vendor eligibility criteria
IV Supply, Installation, Testing and Commissioning (SITC) of 2.5T Electro–
Dynamic Vibration Test System-Specifications
1 Introduction
2 Electro-dynamic shaker test system
A 2.5T Vibration Shaker
B Slip Table
C Power Amplifier
D Field System
E Duty Cycle
3 Digital Vibration Controller system
V Optional Spares
VI Environment
VII General Specifications
VIII Installation and Training
IX Terms and conditions
X Factory Acceptance Test (FAT) Plan
XI Site Acceptance Test (SAT) Plan
3
I. Terminology used in this specification
LEOS- Laboratory for Electro –Optics Systems
ISRO- Indian Space Research Organisation
DOS- Department of Space
AMSC- Annual Maintenance Service Contract
FPS- Field power supply
Log-logarithm
UUT- Unit under test (payload)
kN- kilo Newton
kg- Kilogram
sec- Second
Hz- Hertz
FAT- Factory Acceptance Test
SAT- Site Acceptance Test
HPP- Hydraulic Power Pack
Rms- Root mean square
MCP- Main Control panel
RCP- Remote Control panel
SRS- Shock Response Spectrum
RSD- Resonance Search and Dwell
DOF- Degree of Freedom
Freq.- Frequency
Amp.- Amplitude
A/D- Analog to Digital
PCD- Pitch Circle Dia
I/P- Input
O/P- Output
SITC- Supply, Installation, Testing and
Commissioning
4
II. Scope of Supply and Work
Supply, installation, testing and commissioning of Vibration Test System at Laboratory for Electro-
Optics System (LEOS), Bengaluru-560058 as per the detailed specifications follows
1. Supply of complete Shaker system as per specifications
1.1. Electrodynamic vibration Shaker
1.2. Slip Table
1.3. Amplifier
1.4. Field Power Supply
1.5. Cooling System
1.6. Adaptors Plate for armature- 03 Nos
2. Supply of Digital Control System as per specifications
2.1. 16 channel Hardware
2.2. Digital control system software with data acquisition
2.3. Computer
2.4. Printer and scanner
2.5. Calibration software with accessories
2.6. Media of Installation software
2.7. Software for installation shall be provided in a CD-ROM/DVD-ROM. In case of a failure
of the host-work-station, the software shall be capable of being installed on a stand-by
host-work-station to ensure 100% uptime.
2.8. Rack for mounting: Standard portable rack for housing Instrumentation Front-end
should be supplied, providing Minimum 1U gap between modules for Thermal
Dissipation
3. Two sets of Documentation in English
3.1. Operation manual
3.2. Service manual
3.3. Electrical wiring and mechanical schematics, dimensioned drawings.
3.4. Parts list.
3.5. System specifications including subsystems, subsystem data sheets, interface
requirements, calibration requirements and procedures
3.6. AutoCAD assembly drawings of shaker and slip table
3.7. Factory test results.
4. Shifting, Handling and Installation to the specified location at LEOS, Bangalore
5. Electrical wiring from mains power panel to power amplifier, field power supply, cooling unit
and hydraulic connections should be taken care by the vendor including supply of required
accessories (20 meters approximately for each unit)
6. Spares (optional)
7. Supply of Alignment and maintenance tool kit
8. Carrying out acceptance tests at Factory premises
9. Carrying out acceptance test at LEOS, Bangalore
10. Training
5
III. Vendor Eligibility Criteria 1. Supplier’s experience
The supplier should have at least 5 years of experience in supplying electro-dynamic shakers of
25kN or higher force rating capacity and Digital Vibration Control System to aerospace
industries or institutions. Details like purchase order copy (masking the price), date of
installation etc. of such systems or any proof should be given along with the quote. The
offers/quote without this information will be rejected without any further reference.
2. Heritage of the offered systems
The supplier should have supplied a shaker system with similar configuration as detailed in the
specifications to the aerospace industries or institutions. Test results and performance plots of
such systems are to be provided. The supplied shaker systems should have completed at least
12 months of satisfactory performance.
The Vibration Control system shall function flawlessly for all modes of testing with a proven
design. The system should have been supplied to aerospace industries with a proven track
record.
The supplier should provide the details of the shaker system and Vibration control system
supplied with contract / purchase order copies (masking the price), model number, year of
supply and copy of installation /acceptance report along with the details of the such customers
including name of the organization, end user division/group and contact details of the end user.
It should be noted that this will be one of the criteria for evaluation of the quoted system for
technical suitability. The offers/quote without this information will be rejected without any
further reference.
3. Original manufacturer
Supplier should be original manufacturer of the system. Offers from original manufacturer or
their authorized representative only will be accepted. Representative should submit
authorization certificate along with the offer.
4. Local service support
Supplier should have service center or authorized service center with trained service engineers
in India. Service center address, contact person details, phone/fax numbers, email should be
provided along with the offer.
5. Certificate of origin
Certificate of origin should be provided along with supply. Such details should be provided along
with the offer.
Offers are invited from the qualified vendors fulfilling above conditions, for Supply,
Installation, Testing and Commissioning (SITC) of 25 kN Electro–dynamic Vibration Test System
and Digital Vibration Control System as per the detailed specifications follow.
6
IV. Detailed specifications of Electro-dynamic Vibration Test System
1. Introduction
1.1 Electro-dynamic vibration test system is required to be used for carrying out Vibration
testing of electro-optic sensors and subsystems of satellite. It should be possible to carry
out testing in both lateral and longitudinal directions independently. Adequate test article
Interfacing, static load capacity and dynamic force and moment capabilities shall be built
into the system for the purpose as detailed in the specification. The system will be housed
in a clean environment and hence sufficient care should be taken to ensure that the shaker
system does not produce contaminants.
1.2 Vendor shall be ready to give a techno-commercial presentation at LEOS, Bengaluru, if
required. The vendor shall be intimated within 15 working days in advance for this
presentation. The vendor can present the same through video conference mode also. The
intimation shall be sent to the vendor only after technical evaluation of the proposal.
1.3 Supplier should manufacture, supply, deliver to the site, install, commission the shaker
system and provide test results as per the acceptance test plan. The major subsystems of
the Shaker system shall comprise of
1.3.1 Electro-dynamic shaker with common base slip-table
1.3.2 Field Power Supply & Cooling Unit.
1.3.3 Digital switching power amplifier
1.3.4 Vibration test control system
2. Electro-dynamic shaker test system
SI.NO Parameter Specifications
A Vibration Shaker
1 Structure Complete vibration shaker system such as vibration
Shaker (armature) and slip table shall be housed in
Mono block high strength steel structure
2 Type Electrodynamic - Forced Air cooled
3 Sine Force (peak) 25 kN minimum
4 Random Force (rms) 25 kNrms minimum as per ISO 5344
5 Half Sine Force (peak) 50kN minimum
6 Shock and Load (kg)
4 ms, half-sine
50 g minimum at 55 kg UUT
100 g minimum at 20 kg UUT
200 g minimum at 1.5 kg UUT
11 ms, half-sine
20 g minimum at 200 kg UUT
50 g minimum at 55 kg UUT
100 g minimum at 15kgUUT
7 Useful Frequency Range DC to 3000 Hz
8 Acceleration Sine (peak) > 120 g at bare table
9 Acceleration Random (rms) >100g at bare table
10 Velocity (peak) Sine Sweep and
Random
> 1.8 m/s continuous
> 2.5 m/s intermittent
7
11 Velocity (peak) Shock > 3.5 m/s
12 Displacement (peak-peak) > 51 mm
13 Armature Weight <25Kg
14 Armature Diameter 325 to 350 mm
15 Armature Resonance (fn) More than >2000 Hz at bare table
16 Armature Cross axis Response 5 Hz – 1000 Hz : < 10%
17 Minimum possible test level <0.35g swept sine test from 5 Hz to 2000 Hz with 20
kHz bandwidth rms control on shaker bare table
18 Armature and Field coil system Insulation level shall be accordance with requirement
of continuous duty cycle and as per standards
19 Amplifier Output Suitable capacity to meet the force and shock
requirements
20 Shaker Internal Load Support >250kg with automatic load support
21 Stray magnetic field Level <0.5mTesla measured at 150 mm above shaker table
at normal operating temperatures
22 Degaussing coil Fixed, fitted with low gauss kit.
23 Shaker Body Isolation frequency <4 Hz
24 Armature suspension Standard armature suspension and guidance should
be provided with suitable flexure and guidance
bearing.
25 Armature centering Provision of auto-centering with specimen for
allowing maximum displacement at full static load
should be provided by Pneumatic internal vertical load
support.
26 Armature cooling 100% forced air-cooling. The shaker to be provided
with required cooling machinery, silencer and
instrumentation and to be interlocked with shaker
operation.
27 Acoustic Noise <75 dB (A) at distance of 2meter from amplifier
28 Compressed air requirement Information to be Provided by the Vendor in the
technical offer Supply rate, Pressure, Dryness in terms
of condensation temperature in oC at supplied
pressure
29 Insert pattern on armature table
(typical)
Concentric dual hexagon matrix, UNC M10 Stainless
Steel SS304 inserts
1 Number at Center
4 Numbers at 4" PCD
8 Numbers at 8" PCD
8 Numbers at12" PCD
30 Adaptor platefor armature interface
36 mm thick magnesium circular plate of size suitable
with armature with above interface. All inserts are
flushed with plate surface.
Flatness: <0.1mm per meter
Surface finish: roughness average <1.6 micron
Parallelism: <0.2mm per meter
Quantity: 03 Nos
31 Slip Table mounting Trunnion mounts with and body rotation gear box.
8
32 Shaker Cooling system By forced air cooling by suitable blower.
The shaker should be provided with air blower of
suitable capacity for cooling of the shaker system.
Rating and technical details of the blower should be
provided along with technical quote.
B
Slip Table
1 Type Shaker and slip table, mounted on a stand-alone single
common base structure, providing permanent
alignment of shaker with slip table.
2 Slip plate dimension Size 500 mm (L) X 500 (W) mm with a tolerance of
+20mm (both L&W)
3 Slip plate thickness 30mm+ 2mm
4 Slip plate moving mass (including
bearings)
< 60KgIncludingslip plate, Armature, Driver Bar and
Fasteners
5 Armature and slip table Combined
Resonance Frequency
>1000 Hz
6 Driver bar Tension bolt type, Made of Magnesium
7 Combined Useful Frequency range. 5 to 2000 Hz or better
8 Slip table material Magnesium Alloy AZ 31 B
9 Driver bar material Magnesium Alloy AZ 31 B
10 Overturning Moment(Pitch, roll and
Yaw)
Vendor to provide the values
11 Hydraulic Power Pack (HPP) Suitable for the bearing of the slip table. Low noise, 70
dB(A) within 2 meters from the HPP.
12 Slip table Inserts Metric, coarse threaded UNC M8 flush type stainless
steel SS304 inserts with surface PCDs: 6” (8 inserts)
and 12” (8 inserts) and standard (4” X 4”) 100mm Grid
& Shaker Bolt Hole Pattern
13 Bearing Linear guidance bearing or better
14 Slip plate Flatness < 0.1mm per meter
15 Slip plate Surface finish 3-triangle finish or better
(Roughness average <1.6micron)
16 Slip plate Parallelism 0.2mm per meter or better
17 Slip table support Granite support table
18 Driving interface Cast magnesium driver bar
19 Shaker body isolation and guidance
in vertical /horizontal
Should be provided
20 Slip table base Heavy duty steel base
21 Oil lubrication system The forced lubrication oil system from mono-block
pump with local ON/ OFF switch and with remote ON/
OFF control.
22 Lubrication oil set up Oil guard support system shall be integrated
9
C
Power Amplifier
1 STANDARDS The Power amplifier and all associated equipment and
components shall be manufactured in accordance
with the applicable standards with CE Certification
2 Type PWM based Class D switching power Amplifier or
better
3 Capacity Output power should be sufficient to drive the shaker
at its maximum force rating.
4 Construction Modular Pulse Width Modulation (PWM)construction
6 Frequency response DC to 3000 Hz or better
7 Efficiency >90%
8 Distortion Less than 0.5% in frequency band of DC – 2500 Hz
9 Hum & Noise Less than 0.05V rms with input shorted & max gain
10 Transient current output Peak current handling >3 times continuous sine rating
for period of >100 milliseconds
11 Soft start & stop To avoid transients due to switching on/off amplifier
12 EMI shielding EMI Shielded Console designed with minimal
penetrations including metal gaskets on all external
joints, corrosion protection, EMI shielded air cooling
screens and 3-phase line filtering standard.
13 Power amplifier Signal to Noise ratio > 70 dB
14 Control & protection Microprocessor based system
15 Control/Display panels Operation through Main Control panel (MCP) and
remote Control panel (RCP)
16 Interlocks(Typical)
Output over voltage,
Main input over & under voltage.
Output over current,
Amplifier cooling,
Vibrator / Shaker cooling,
External trip
Vibrator / Shaker over travel,
Field power supply,
Over current
Amplifier /module failure
Slip table oil pressure/flow
Cabinet door open
Shaker over temperature
Blower trip
Loss of input phase
Any other standard / logic fault and interlocks
specified by the manufacturer
10
17 Indication at system level(Typical)
Full scale LCD/LED display should be provided for the
amplifier status monitoring and message display.
Along with following events/parameter should be
properly indicated on Main Control Panel (MCP)&
Remote Control Panel (RCP)
O/p over current
O/p over voltage
Auxiliary power supply ON
Amplifier cooling failure
Amplifier over temperature
Vibrator cooling/failure
Vibrator over travel for both & top bottom limit switch
Vibrator over temperature
Field failure
Supply low/high voltage
Cabinet door open
Amplifier and shaker safety interlocks display
18 Metering and monitoring
Display of Amplifier output voltage & current, line
voltage etc. at Amplifier panel and provision for
remote monitoring in desktop computer
19 Main control Panel (MCP) Auxiliary Power on/off control
Amplifier on/off control
Gain control
Shaker safety & interlock display
20 Remote Monitoring and control Facility shall be provided to operate and monitor the
vibration shaker through Remote Control panel (RCP),
including interlocks messages, indication and display.
Facility shall be provided to operate and monitor the
vibration shaker through desktop computer, including
interlocks messages, indication and display. A
separate desktop computer shall be supplied
exclusively for this purpose with necessary software
and hardwares.
D
Field System
1 Field power Supply Should be suitable to deliver the full rated load with a
provision to vary the output
2 Field protection Should be protected against short circuit and should
be provided with freewheeling Diode/Rectifier
3 Interlocks Should be provided with suitable interlock with
amplifier for auto start and field power indication
4 Cabinet Air cooling
5 Electrical input 415 V +5%, -10%, 50 Hz +/-1.5%, 3 Phase-Neutral and
earthing.
6 Input Tapping Tapping on input of transformer required: 380V,
415V, 440V and 460V
11
E
Duty Cycle
1 Duty cycle
The shaker/ amplifier/ field coil supply should be rated
for continuous 4 hours or more of operation in single
stretch for at least 80% of shaker limit values
(Displacement, Velocity and acceleration) for sine and
Random test with 30 minutes’ interval, the shaker/
amplifier/ field supply should have the capacity of
operation for another Continuous 4 hours or more of
operation.
2 System safety
The vibration test system quoted should comply with
Health and Safety requirements of the Machinery
Directive 89/392 EEC or equivalent and the Low
Voltage Directive 73/23/EEC or equivalent
3. Digital Vibration Controller system
SI.NO Parameter Specifications
1 Controller Integrated Sine, Random, shock, Shock Response
Spectrum (SRS), Resonance Search and Dwell (RSD)
software module package for 16 Channel
accelerometer response/control with complete
accessories
2 Make and model The following Digital vibration control systems are
found to be suitable for intended application.
However, the Vendors may offer any other
equivalent reputed brand meeting essential features
in the following sections
APEX SL Home/ UD WIN from M/s UDC
Scadas-III from M/s Siemens PLM
VR 9500 from M/s Vibration Research
Jaguar from M/s Spectral Dynamics
3 Controller Channels Total Channels:> 16
4 General Features:
The overall features of the system are as follows:
4.1. Controller for desktop or 19” rack mount placement
4.2. The controller should provide the transmissibility list for sine and Random for each
channels. The transmissibility list should contain numerical value for frequency Vs
amplitude for each channels.
4.3. Automatic data saving
4.4. Facility to Calibrate Controller module channels output and input
4.5. MS Office word and excel for report generation
4.6. Export of data in UFF/CSV/excel etc. shall be provided.
4.7. Controller Software with permanent license
4.8. COLA (Constant Output Level Adapter) One Volt Output at Test Frequency with
Frequency Trim
12
5 SINE SOFTWARE MODULE:
5.1. 5-3000 Hz Frequency Range
5.2. Sweeps with Constant Acceleration, Velocity, Displacement Segments
5.3. Control Types: Single, Average, Extremal Channel, Limiting
5.4. Digital Tracking Filter for Each Channel
5.5. Log/Linear Sweeps
5.6. Channel Limiting with Individual Segments
5.7. Selectable Sweep Rate or duration
5.8. Reference Spectrum Alarm & Abort Limits
5.9. Individual Channel Abort Limits
5.10. Amplitude, Phase, transmissibility and Spectra Displays
5.11. Single and Multiple Frequency Sine dwell test
5.12. Manual Hold/Sweep, Reverse, Selectable Frequency & Amplitude
5.13. Automatic Data Saves and Printing
5.14. Automatic Search and Listing of Resonances including transmissibility, Phase and Q-
Value with selectable threshold
5.15. Automatic notching of output signal to enable response limitation of specified
monitoring channels.
5.16. Definition of at least 10 Notching/ Abort profiles.
5.17. Any of the 16 channels, other than control, should be definable as Notching/Limiting/
Abort channel with individual profile.
6 RANDOM SOFTWARE MODULE:
6.1. Bandwidth up to 3000 Hz
6.2. Variable number of lines of control 400 to 1600 or better
6.3. Minimum 20 Breakpoints (Frequency/Amplitude or Slope)
6.4. Control Types: Single, Average, Extreme (maximum)
6.5. DOF (Degree of Freedom) Selectable: 25 - 256
6.6. Level Scheduling & Looping including pre-test levels
6.7. Instantaneous Level Changes (without resetting averaging)
6.8. Reference Spectrum Alarm & Abort Limits (selectable # lines)
6.9. Notch/Limiting with Individual Breakpoint Tables for each Channel (20 points each)
6.10. Spectrum Alarm & Abort Limits (# lines selectable)
6.11. Fast Loop Time
6.12. Drive Sigma Limiting (none, 2-5)
6.13. Manual Adjustment of Level and Pause/Resume
6.14. Use Stored Drive for Quick Starting
6.15. Automatic Data Saves and Printing
6.16. Automatic Search and Listing of Resonances including transmissibility and Q-Value
with selectable threshold
6.17. Gaussian Amplitude Distribution
6.18. Import ASCII PSD for Reference
6.19. Automatic notching of output signal to enable response limitation of specified
monitoring channels.
6.20. Definition of at least 10 Notching/ Abort profiles.
6.21. Any of the 16 channels, other than control, should be definable as Notching/Limiting/
Abort channel with individual profile.
13
7 SHOCK SOFTWARE MODULE:
7.1. Wave forms - Half sine, Saw tooth and Triangle
7.2. Pulse Width of 0.5 milliseconds to 2 seconds
7.3. Sample Rate 1 to 2 kHz
7.4. Sample Points 2048 or better
7.5. Compensation Pulses provide Optimized Displacement and Velocity; selectable pre &
post negative compensation
8 Resonance Dwell Module:
8.1. Should automatically locate and lists resonances at end of sweep, followed by phase-
tracked dwells at operator-selected resonances.
8.2. Phase Reference Selectable as Absolute or Difference Between Two Channels
8.3. Duration Selectable for Time or Cycles
8.4. Upper/Lower Abort Limits for Frequency & Amplitude
8.5. Dwell Log Table Periodically Updated During Test Including Frequency, Amplitude,
Phase and Time
8.6. Manual Controls to Adjust Amplitude and Phase
9 Plots/ Graph editing feature
9.1. Provision to mark the peak/ point in the graph with values
9.2. Automatic peak picking in the selected range of frequency and amplitude. Provision
for manual peak picking to add additional peaks along with automatically picked peaks.
9.3. Zooming of a selected band in the graph should be possible.
9.4. Manual & Automatic setting of the range for X and Y-axes.
9.5. Option to set Linear/logarithmic scale for X and Y-axes.
9.6. Option to edit back ground, curve, grid lines, borders, X and Y axis texts such as colour,
size etc.
9.7. Option to insert Text and movement of its position in the graph
9.8. Option to select the channel number, alarm limit, abort limit, profile etc.
9.9. Printing of selected plots/ graphs
10 Run time features
10.1. Start, Abort, Re- Start functions.
10.2. Start up from low level to full level in user defined level steps/time
10.3. Provision for Manual or Auto start selection from initial test level to full level.
10.4. On line message display regarding status, test sequence, warning, aborting etc. and
online parameters such as time, time elapsed, time to complete, reference and
actual ‘g’ level, frequency, displacement, number of sweep, of test activities
10.5. After completion of test activity, the display should show the maximum ‘g’ level,
Time elapsed on full level test, total test activity, time and date.
10.6. Printing profile table parameters with expected ‘g’, displacement and velocity
14
11 Controller Calibration
11.1. It should be possible to carry out ‘on site’ Instrumentation front-end calibration
without the need of support/intervention from the vendor
11.2. Any Hardware, Software and accessories for the same shall be provided along with
the system.
11.3. Offset removal and gain linearity adjustment for all the input/output channels
should be provided.
11.4. In case if any channel fails in calibration, the calibration process should continue
skipping that particular channel. It should be possible to isolate/disable the failed
channel in further calibration steps.
12 Desktop Computer
12.1. Processor: Intel Core I7 with 3.6GHz or better capable connecting to duel monitors
12.2. 32" LED Monitor with 4K resolution or better with HDMI interface (2 Nos) one
monitor is for operator control and another for observers
12.3. 16GB DDR4 RAM memory or better and extendable up to 24GB or more
12.4. Integrated 8GB DDR4 RAM or better Video Graphics Controller capable of
connecting to at least two monitors of 4K resolution and a LED display projector.
12.5. 2GB or more SSD Memory
12.6. SATA or better interfaced 2TB Hard disk or more for data storage. Hard disk shall
have more than two partition and one partition is exclusively for software related
storage.
12.7. Operating system: Windows 10 with latest updates with driver DVD, OS recovery
disk
12.8. DVD ROM R/W with speed of 16X or more
12.9. Keyboard and optical Mouse
12.10. USB Ports 4 Nos in front and 6 Nos in back or more,
12.11. Ethernet Ports- 2 or more with speed of 1GBPS or more
12.12. Serial communication port RS232 - 02 Nos and RS 485- 02 Nos
12.13. MS office 2016 or latest version
12.14. Complete Software Integration
12.15. Licenses for all the software and platforms shall be of perpetual/permanent nature
and shall be the latest proven version. Supplier shall provide the product keys/
license numbers wherever applicable.
12.16. It shall be provided with multimedia speakers
13 Printer
1 Number of Color Laser Jet Printer, built-in USB & network port, with automatic duplex
(double side) printing capability, Paper size: A4 Size prints, printing speed of minimum of 30
PPM and resolution of minimum of 600 dpi.
The printers shall be of latest model, supplied with Indian warranty and shall be locally
serviceable.
14 Scanner
1 Number of color scanner with high resolution 1080p or better with built-in USB & network
port, Paper size:A4 Size shall be provided
15
V. Optional Spares
The following spares should be supplied along with the system. The cost break up should be given in
price offer. Any other spare (other than listed below) required for maintenance of the system for a
period of 5 years should also be quoted.
1. Shaker 1.1. Armature
1.2. Field coils (top and bottom)
1.3. Flexures assembly-1set (Total quantity same as
that is assembled in the shaker)
1.4. Shaker bearings-1 No
1.5. Current leads-3set
1.6. Over travel switch assembly-2 sets
1.7. Shaker seals-3set
2. Slip table
2.1. Bearings 2 Nos.
2.2. Over travel switch assembly-1set
3. Power amplifier
3.1. Power modules -1 no.
3.2. Control / Interface / Interlock / metering PCB
assembly –1 set (Total quantity same as that is
available in the amplifier)
3.3. Low voltage power supplies-1set (Total quantity
same as that is available in the amplifier)
3.4. Relays-1 set
3.5. Fuses-1 set
4. Field power supply (FPS)
4.1. Control/Interface/Interlock/metering PCB
assembly –1 set (Total quantity same as that is
available in the FPS)
4.2. Low voltage power supplies-1set (Total quantity
same as that is available in the amplifier)
4.3. Relays-1 set
4.4. Fuses-1 set
5. Spares for 16 Channel Digital
Vibration Control System
5.1. One Number of the computer with all peripherals
and pre-installed application software, except
Monitor, printer should be supplied as essential
spares to ensure 100% uptime in case of failure.
5.2. The Master card or its equivalent that sits in the
mainframe and controls the instrumentation
front end – 1 No
5.3. Signal conditioning and A/D converter card(s)
5.4. Clock/synchronization card if any – 1 No
5.5. The interface kit to connect the Computer and
the Instrumentation Front-end 1 No
5.6. Power supply module for the instrumentation
front end – 1 Set
16
VI. Environment
F ENVIRONMENT
1 Environmental conditions
discuss
The complete vibration test system should have
capability of operating temperature range of : 10 to
300Cwith Relative Humidity of 10 – 90%
VII. General Specifications
H General Specifications
1 Quality of finish
All equipment/ instruments should have high standard
of finish with anti-corrosive protection
2 Training at LEOS
Supplier should provide mandatory training on
operation and routine maintenance of the system to
LEOS Bangalore personnel as part of installation and
commissioning for a minimum period of three days.
3 Documentation (Two sets in English)
3.1. Operation manual
3.2. Service manual
3.3. Electrical wiring and mechanical schematics,
dimensioned drawings. Complete electrical
control and power drawings shall be provided.
3.4. Parts list with part number.
3.5. System specifications including subsystems,
subsystem data sheets, interface requirements,
calibration requirements and procedures.
3.6. Factory test results.
3.7. Soft copy of above documents in DVD
4 Warranty and support
4.1 Minimum of two years comprehensive On-site
warranty from the date of Acceptance of the
system
4.2 Optional extended warranty: 2 years extended
warranty (for 3rd and 4th year) after completion
of mandatory 2 years comprehensive On-site
Warranty, To be quoted separately for 3rd year
and 4th year.
5 Annual Maintenance and service
contract (AMSC) – Optional
Non-comprehensive AMSC for the period of three
years after completion of mandatory 2 years
comprehensive On-site Warranty.
To be quoted separately for 3rd, 4thand 5thyear
respectively.
6 Others Any option / accessory required in vendor's opinion,
but not listed in our enquiry should be indicated and
quoted separately.
17
7 Inspection, Factory acceptance test
& training
Shaker system along with the Control System, Data
Acquisition System and associated instrumentation
elements covered in this tender should be should be
fully integrated and tested prior to dispatch and these
test results shall be made available to LEOS for
perusal. The detailed test plan has been enclosed.
LEOS at its own discretion may inspect and witness the
pre-shipment factory tests. Minimum one month
advance intimation shall be given for the FAT tests.
8 Delivery and installation The supplier is responsible unpacking, unloading,
erection and installation of Vibration test system at
LEOS, ISRO.
9 Site Acceptance tests (SAT) after
installation
Shaker system along with the Control System, Data
Acquisition System and associated instrumentation
elements covered in this tender should be fully
integrated, commissioned and tested as per the Site
Acceptance test procedure at LEOS. Satisfactory
completion of the SAT will form the basis for
acceptance the system.
Site Acceptance Tests shall be conducted by the
vendor as enclosed.
10 Tools and instruments The vendor representative should bring necessary
tools, instruments and meters/Scopes, necessary to
complete the scope of installation, commissioning and
testing at LEOS premises
11 Final acceptance based on the successful and satisfactory completion of site acceptance tests.
18
VIII. Installation and Training
1. Shipping and Installation 1.1. All the systems shall be installed at LEOS-ISRO,
Peenya, Bengaluru-58, INDIA. The supplier or their
representative should take full responsibility for
unloading, unpacking, installation, commissioning,
carrying out acceptance tests and handing over the
system at LEOS.
1.2. The Vendor shall install the Shaker system, Vibration
Control System, and all auxiliary units in the areas
already identified in the building. The supplier or
their representative should take full responsibility
for unloading, unpacking, installation,
commissioning, carrying out acceptance tests and
handing over the system at LEOS.
1.3. Electrical wiring from the Power distribution panel to
the Power Amplifier (20 meters approx.), cooling
unit, hydraulic units, other auxiliary systems and
hydraulic connections shall be the responsibility of
the vendor.
1.4. The vendor shall have responsibility of providing
required connecting power and control cables,
support, sleeves, terminal ends, hoses and
pneumatic lines routed through a Junction Box using
Quick Connect Connectors. Utility outlets for power
and air will be provided by LEOS, Bengaluru, at
locations identified by vendor. The distance from the
shaker to cooling unit is approximately 20 meters.
The necessary size and length of the hose shall be
supplied by the party.
2. Factory Acceptance Testing (FAT)
and Inspection
Shaker system along with the Control System, covered in
this tender should be fully integrated and tested prior to
dispatch and these test results shall be made available to
LEOS for perusal.
3. Site Acceptance tests (SAT) to be
carried out at LEOS will be the
basis for acceptance of the
system.
Shaker system along with the Control System, covered in
this tender should be should be fully integrated,
commissioned and tested as per the Site Acceptance test
procedure at LEOS. Satisfactory completion of the SAT
will form the basis for acceptance the system.
4. Training at LEOS-ISRO Supplier should provide mandatory training on operation
and routine maintenance of the system to LEOS
personnel as part of installation and commissioning.
The supplier shall provide training to LEOS personnel for
safe operation and maintenance of the shaker system
19
IX. Terms and conditions
1. Vendor should quote for all the subsystems of section IV. Offers with partial quotes will not be
considered.
2. All quotes should be complete with following details. In absence of required details, the offer
shall be rejected totally.
2.1. Vendor eligibility criteria- proof documents
2.2. Detail system specification of the shaker with catalogs, technical literatures, data sheets
and performance curves/plots
2.3. Compliance statement should be provided along with offer. Any deviation from
specification should be clearly specified as a non-conformance.
3. The bid shall be in two parts.
3.1. Technical bid
3.1.1. The Technical bid that describes the systems specifications and capabilities in
detail.
3.1.2. The parties shall bring out full technical specifications in detail and how the
requirements/specification given in the specifications are met, so that the proposal
shall be self-explanatory.
3.1.3. While going through the proposal, it should be possible to assess the quality,
features of the system. The detailed specification of the required optional
accessories shall also be brought out. If there are any other additional features in
the system that can enhance the performance of the system, these are to be clearly
brought out in the technical bid.
3.1.4. In case any of the specification/requirements cannot be met then they are to be
specifically highlighted. A separate table (compliance statement) indicating the
compliance for all the specifications with supporting documents and or test plots
shall be provided along with the technical bid without which the offer will not be
considered.
3.1.5. Technical compliance statement should clearly provide the actual number against
each of the specifications given in the RFP. Offers stating mere compliance will not
be considered.
3.1.6. Along with the technical bid, the party shall also submit the details of same or
similar systems designed and supplied earlier and the list of organizations to which
similar items have been supplied in India as well as in other parts.
3.1.7. The technical Compliance statement shall be furnished by the Manufacturer or by
the Authorized representative with due concurrence by the Manufacturer.
3.1.8. The following commercial table shall be duly filled and submitted.
SN Description Confirm
/Specify
1. Electrodynamic shaker system
Individual break up costs viz. Shaker, Slip table, Amplifier etc.
Yes/No
2. Digital Vibration Control System Yes/No
3. Optional Spares
Individual break-up costs Viz. Electro dynamic Shaker System
spares, Control System Spares
Yes/No
20
4. Optional Accessories if any (give description) Yes/No
5. Recommended special purpose tools and tool kit for operation
& maintenance. (quantity of each tool required to be
mentioned)
Yes/No
6. Installation charges Free/Yes
7. Optional extended onsite warranty for two years beyond
Standard warranty period should be quoted separately for
shaker system, Control system and Data Acquisition System.
8. Delivery period (shall be less than 9 months) Yes/specify
9. Validity period: Both the technical and commercial offers of
the vendor should be valid for a minimum period of 180 days
from the due date of opening of the tender.
Yes/No
10. Approximate system weight To be specified
3.2. Price bid
Price bid will be opened after evaluation of the technical bid. The offer shall have total
price and Individual break up costs as follows
3.2.1. Electrodynamic shaker system
3.2.2. Digital Vibration Control System
3.2.3. Optional Spares
3.2.4. Individual break-up costs
3.2.5. Optional Accessories, if any (give description)
3.2.6. Recommended special purpose tools and tool kit for operation & maintenance.
(quantity of each tool required to be mentioned)
3.2.7. Installation charges
3.2.8. Optional extended onsite warranty for two years beyond Standard warranty
period should be quoted separately
3.2.9. Optional AMSC for three years
4. The successful bidder should comply LEOS /ISRO purchase terms and conditions such as
Performance Security (PS) and Liquidity Damages (LD) for entire system for entire warranty
period.
5. Time Schedule
The specified time schedule is the essence of the contract, and shall be adhered by the supplier of
the equipment. The following time schedules are to be followed strictly in delivering the vibration
test system and deliverables. Any deviation from the time schedule will be viewed as non-
compliance in the specifications
1. T0 : Date of release of Contract / Receipt of Export License
2. Within T0+ 7 months: Completion of Pre -shipment inspection including FAT, Packing,
Dispatch
3. Within T0+9 months: Completion of Consignment opening, inspection, installation, testing and
commissioning at Customer's site and acceptance tests.
21
X. Factory Acceptance Test (FAT) Plan
A. SHAKER: BARE TABLE TESTS
1. Resonance test (Pre signature)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at center of armature.
1.1. Plot response accelerations for all three axes at different locations
1.2. Plot Drive, O/P current and O/P voltage.
2. Sine Capability test
Maximum Displacement, Maximum Velocity and Maximum Acceleration of the quoted
system.
With frequency 5 Hz to 2000 Hz at sweep rate of 2oct/min.
Multi point maximal Control at armature top (at center, 4" PCD, 8" PCD)
2.1. Plot response accelerations for all three axes at different locations
2.2. Plot Drive, O/P current and O/P voltage.
3. Resonance test (Post signature)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at center of armature
3.1. Plot response accelerations for all three axes at different locations
3.2. Plot Drive, O/P current and O/P voltage.
4. Diaphragming and Cross axis response test
5g Constant control from 5 to 2000 Hz with required slopes for Displacement and velocity,
with sweep rate of 2Oct/min.
Control at center of armature.
4.1. Plot response accelerations for all three axes at different locations
4.2. Plot Drive, O/P current and O/P voltage.
5. Noise measurement on armature top
With amplifier Set to 100% gain and zero input signal
Measure accelerometer output at the armature top for 5 Hz to 20 kHz analysis range.
6. Low g sine test
Constant input acceleration level of 0.3g
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at center of armature.
6.1. Plot response accelerations for all three axes at different locations
6.2. Plot Drive, O/P current and O/P voltage.
22
7. Random Capability test
(20-100Hz:6dB/oct, 100-2000Hz: flat PSD to obtain the max rms acceleration of the quoted
system)
Multi point maximal Control at armature top (at center, 4" PCD, 8" PCD)
7.1. Plot response accelerations for all three axes at different locations
7.2. Plot Drive, O/P current and O/P voltage.
8. Low g -rms random test
Flat PSD from 20 Hz to 2000 Hz 0.3grms test level.
Control at armature center.
8.1. Plot response accelerations for all three axes at different locations
8.2. Plot Drive, O/P current and O/P voltage.
9. Resonance test (Post signature)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at center of armature.
9.1. Plot response accelerations for all three axes at different locations
9.2. Plot Drive, O/P current and O/P voltage.
10. Wave form distortion tests
With input of 1G between 5 Hz to 100 Hz
Control at center of armature.
The THD should be ≤10% between 5Hz – 100Hz
THD computation should be carried as per ISO 5344
11. Shock
Control at Center, Control at center, for frequency 100Hz and 150Hz, classical half sine
11.1. 4 ms, half-sine, 200g at Bare table
11.2. 11 ms, half-sine, 100g at bare table
B. LOAD TESTS
12. Resonance test (Pre-signature without load)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at center of armature.
12.1. Plot response accelerations for all three axes at different locations
12.2. Plot Drive, O/P current and O/P voltage.
23
13. Sine Capability test
With 2 times weight of armature
Maximum Displacement, Maximum Velocity and Maximum Acceleration of the quoted
system
Multi point maximal Control on mass top (at center, 4" PCD, 8" PCD)
Frequency 5 Hz to 2000 Hz at 2oct/min.
Plot Drive, O/P current and O/P voltage.
Check waveform distortion of accelerometer output and Amplifier output using Digital
data acquisition system.
Acceleration limited to maximum force rating of shaker.
14. Random Capability test
With 2 times weight of armature
20-100Hz: 6dB/oct, 100-2000Hz: flat PSD for maximum random force rating of the quoted
system.
Multi point maximal Control on mass top (at center, 4" PCD, 8" PCD)
14.1. Plot acceleration, Drive, O/P current and O/P voltage.
14.2. Plot response accelerations for all three axes at different locations
15. Endurance test
Shaker should run continuously for 1 hour with the following specification.
With mass 2 times weight of armature
Maximum Displacement, Maximum Velocity and Maximum Acceleration of the quoted
system (limited to 100% of maximum force)
Multi point maximal Control on mass top (at center, 4" PCD, 8" PCD)
Frequency 5Hz to 2000 Hz at 1oct/min.
Plot acceleration, Drive, O/P current and O/P voltage.
16. Resonance test (Post signature without load)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at center of armature
16.1. Plot response accelerations for all three axes at different locations
16.2. Plot Drive, O/P current and O/P voltage.
17. Shock
Control at center, for frequency 100Hz and 150Hz, classical half sine
17.1. 4 ms, half-sine, 100 g minimum at 20 kg UUT
17.2. 4ms, 200 g minimum at 1.5 kg UUT
17.3. 11 ms, half-sine, 100 g minimum at 15 kg UUT
24
C.SLIP-TABLE TESTS
18. Resonance test (Pre signature)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at slip table end along shaker axis
18.1. Plot response accelerations for all three axes at different locations
18.2. Plot Drive, O/P current and O/P voltage.
19. Sine Capability test
Maximum Displacement, Maximum Velocity and Maximum Acceleration of the quoted
shaker system.
With Frequency 5 Hz to 2000 Hz at 2oct/min sweep rate.
Control at slip table end along shaker axis (center, right extreme and left extreme)
19.1. Plot response accelerations for all three axes at different locations
19.2. Plot Drive, O/P current and O/P voltage
20. Cross axis response test
5g Constant control from 5 to 2000 Hz with required slopes for Displacement and velocity
with sweep rate of 2oct/min
Control at slip table end along shaker axis (center, right extreme and left extreme)
20.1. Plot response accelerations for all three axes at different locations
21. Resonance test (Post signature)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min
Control at slip table end along shaker axis
21.1. Plot response accelerations for all three axes at different locations
21.2. Plot Drive, O/P current and O/P voltage.
D.POWER AMPLIFIER
22. Noise measurement
Bare table
With amplifier Set to 100% gain and zero input signal
Measurement of output voltage and current with input shorted and amplifier set to 100%
gain
23. Shaker system interlocks
Over travel limit by test
Cooling unit flow switch
Temperature switch
Field power supply
Emergency Abort switches
25
XI. Site Acceptance Test (SAT) Plan at LEOS, Bangalore
A. SHAKER : BARE TABLE TESTS
1. Resonance test (Pre signature)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at center of armature.
1.1. Plot response accelerations for all three axes at different locations
1.2. Plot Drive, O/P current and O/P voltage.
2. Sine Capability test
Maximum Displacement, Maximum Velocity and Maximum Acceleration of the quoted
system
With frequency 5 Hz to 2000 Hz at sweep rate of 2oct/min.
Multi point maximal Control at armature top
2.1. Plot response accelerations for all three axes at different locations
2.2. Plot Drive, O/P current and O/P voltage.
3. Resonance test (Post signature)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at center of armature.
3.1. Plot response accelerations for all three axes at different locations
3.2. Plot Drive, O/P current and O/P voltage.
4. Diaphragming and Cross axis response test
5g Constant control from 5 to 2000 Hz with required slopes for Displacement and velocity,
with sweep rate of 2oct/min.
Control at center of armature.
4.1. Plot response accelerations for all three axes at different locations
4.2. Plot Drive, O/P current and O/P voltage.
5. Noise measurement on armature top
With amplifier Set to 100% gain and zero input signal
Measure accelerometer output at the armature top for 5 Hz to 20 kHz analysis range.
6. Low g sine test
Constant input acceleration level of 0.3g
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at center of armature.
6.1. Plot response accelerations for all three axes at different locations
6.2. Plot Drive, O/P current and O/P voltage.
26
7. Random Capability test
(20-100Hz:6dB/oct, 100-2000Hz: flat PSD to obtain the max rms acceleration of the quoted
system)
Multi point maximal Control at armature top
7.1. Plot response accelerations for all three axes at different locations.
7.2. Plot Drive, O/P current and O/P voltage.
8. Low g -rms random test
Flat PSD from 20 Hz to 2000 Hz 0.3grms test level.
Control at armature center.
8.1. Plot response accelerations for all three axes at different locations
8.2. Plot Drive, O/P current and O/P voltage.
9. Resonance test (Post signature)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at center of armature.
9.1. Plot response accelerations for all three axes at different locations
9.2. Plot Drive, O/P current and O/P voltage.
10. Wave form distortion tests
With input of 1g between 5 Hz to 100 Hz
Control at center of armature.
The THD should be ≤10% between 5Hz – 100Hz
THD computation should be carried as per ISO 5344
B. LOAD TESTS
11. Resonance test (Pre signature without load)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at center of armature.
11.1. Plot response accelerations for all three axes at different locations
11.2. Plot Drive, O/P current and O/P voltage.
12. Sine Capability test
Approximate with 2 times weight of armature (Test load will be supplied by LEOS)
Maximum Displacement, Maximum Velocity and Maximum Acceleration of the quoted
system
Multi point maximal Control on mass top different locations
Frequency 5 Hz to 2000 Hz at 2oct/min.
Plot Drive, O/P current and O/P voltage.
Check waveform distortion of accelerometer output and Amplifier output using Digital data
acquisition system.
Acceleration limited to maximum force rating of shaker.
27
13. Random Capability test
Approximate with 2 times weight of armature (Test load will be supplied by LEOS)
20-100Hz:6dB/oct, 100-2000Hz: flat PSD for maximum random force rating of the quoted
system.
Multi point maximal Control on mass top
13.1. Plot acceleration, Drive, O/P current and O/P voltage.
13.2. Plot response accelerations for all three axes at different locations
14. Endurance test
Shaker should run continuously for 1 hour with the following specification.
Approximate with 2 times weight of armature (Test load will be supplied by LEOS)
Maximum Displacement, Maximum Velocity and Maximum Acceleration of the quoted
system (limited to 100% of maximum force)
Multi point maximal Control on mass top
Frequency 5Hz to 2000 Hz at 1oct/min.
14.1. Plot acceleration, Drive, O/P current and O/P voltage.
15. Resonance test (Post signature without load)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at center of armature
15.1. Plot response accelerations for all three axes at different locations
15.2. Plot Drive, O/P current and O/P voltage.
16. Duty cycle Test
The vibration test system shall run for continuous 4 hours’ operation in single stretch for at
least 80% of shaker limit values (Displacement, Velocity and acceleration) for sine (Frequency
5Hz to 2000 Hz) and Random test (20-2000Hz)
With 30 minutes’ interval, another Continuous 4 hours of operation for sine and Random
test
C. SLIP-TABLE TESTS
17. Resonance test (Pre signature)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at slip table end along shaker axis
17.1. Plot response accelerations for all three axes at different locations
17.2. Plot Drive, O/P current, and O/P voltage.
18. Sine Capability test
Maximum Displacement, Maximum Velocity and Maximum Acceleration of the quoted
shaker system
With Frequency 5 Hz to 2000 Hz at 2oct/min sweep rate.
Control at slip table end along shaker axis
18.1. Plot response accelerations for all three axes at different locations
18.2. Plot Drive, O/P current and O/P voltage.
28
19. Cross axis response test
5g Constant control from 5 to 2000 Hz with required slopes for Displacement and velocity
with sweep rate of 2oct/min.
Control at slip table end along shaker axis.
19.1. Plot response accelerations for all three axes at different locations
20. Resonance test (Post signature)
1g Constant control.
Frequency 5 Hz to 2000 Hz at 2oct/min.
Control at slip table end along shaker axis
20.1. Plot response accelerations for all three axes at different locations
20.2. Plot Drive, O/P current and O/P voltage.
D. POWER AMPLIFIER
21. Noise measurement
Bare table
With amplifier Set to 100% gain and zero input signal
Measurement of output voltage and current with input shorted and amplifier set to 100%
gain
22. Shaker system interlocks
Over travel limit by test
Cooling unit flow switch
Temperature switch
Field power supply
Emergency Abort switches
*****