LINEAR INDUCTION MOTOR - Bradley Universityee.bradley.edu/projects/proj2016/lim/deliverables/LIM...
Transcript of LINEAR INDUCTION MOTOR - Bradley Universityee.bradley.edu/projects/proj2016/lim/deliverables/LIM...
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LINEAR INDUCTION MOTOR
Electrical and Computer Engineering
Tyler Berchtold, Mason Biernat and Tim Zastawny
Project Advisor: Steven Gutschlag
10/1/2015
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Outline of Presentation
• Background Information
• Design Approach
• Economic Analysis
• Societal and Environmental Impacts
• Timeline
• Division of Labor
• Conclusion
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Outline of Presentation
• Background Information
• Design Approach
• Economic Analysis
• Societal and Environmental Impacts
• Timeline
• Division of Labor
• Conclusion
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Background Information
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Linear Induction Motor Background
• Alternating Current electric motor
• Powered by a multiple phase voltage scheme
• Force and motion are produced by a linearly moving magnetic field
• Used to turn large diameter wheels
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Alternating Current Induction Machines
• Most common AC machine in industry
• Produces magnetic fields in an infinite loop of rotary motion
• Stator wrapped around rotor
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Rotary to Linear
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Design Constraints
• 3 Phase Voltage Scheme
• Simulated linear track cannot exceed 1,100 rotations per minute (RPM)
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Patent/ Product/ Literature Review
• Datasheets
• Atmega 128 Documentation
• Lenze Tech MH250B Documentation
• Journal
• Design of a Single Sided Linear Induction Motor(SLIM) Using a User Interactive Computer Program [32]
• Books
• Linear Induction Motor [33]
• Patents
• Linear Induction Motor Construction [34]
• Secondary member for single-sided linear induction motor [35]
• Linear Induction Motor [36]
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Outline of Presentation
• Background Information
• Design Approach
• Economic Analysis
• Societal and Environmental Impacts
• Timeline
• Division of Labor
• Conclusion
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Design Approach
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Problem
• Rotate the simulated linear track
• Rotate under safe speeds (<1100 RPM)
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Solution to Problem
• Develop
• Design
• Implement a Linear Induction Motor to produce linear motion
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Additional Research
• Pole Pitch
• Design phase
• Pole Arrangements
• Salient vs. non-salient
• Design phase
• Interfacing sensors
• Implementation phase
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[13]
τ
A B C A B C
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[15]
Key Components
• Stator Lamination Segments
• VFD
• Lenze-tech MH250B
• Microcontroller
• Atmega 128
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Key Components Availability
• Stator
• Design and have manufactured
• VFD
• Provided by Caterpillar
• Microcontroller
• Provided by Bradley
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Alternative Solutions
• Lower velocity output
• Different material
• Change the number of poles
• Vary the dimensions of motor
• Lower frequency range
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Alternative Components
• Solid manufactured stator
• Transformer E laminations
• Different Microcontroller
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Skill Set Required
• Experience Interfacing components in C++
• MATLAB
• Understand of high level mathematics
• Power electronics
• Manufacturing skills
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Multidisciplinary
• Main focus on Electrical Engineering
• Stator design may take some Mechanical Engineering background
• May require additional help in 3-D modeling
[20]
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Work Locations
• Bradley University
• Power Lab
• Senior Lab
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Experimentation
• Location – Power Lab
• Supervisor – Professor Gutschlag
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Solution Testing
• Current measurements
• Efficiency calculations
• RPM measurements
• Torque measurements
• Comparison to simulated/calculated results
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Criteria for Solution Testing
• Rotation of the simulated linear track
• Output max speed within 50% of calculated max speed
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Outline of Presentation
• Background Information
• Design Approach
• Economic Analysis
• Societal and Environmental Impacts
• Timeline
• Division of Labor
• Conclusion
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Economic Analysis
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Project Feasibility
• Highly feasible
• Work is divided equally
• Staying focused on objective goals
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Consumer Market
• Lab Setting Only
• No Market
• Will not be sold
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Overview of Total Component cost
Components School Provided or Purchase Cost (If Applicable)
Stator Purchase $800.00
Variable Frequency Drive School $848.00
Sensors Purchase $20.00
Tachometer EE-SG3 School $2.00
Microcontroller/ LCD Screen School $80.00
Miscellaneous Purchase $100.00
Total Cost: $1850.00
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Cost Expenditures
Components Cost
Stator $800.00
Sensors $20.00
Miscellaneous $100.00
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Cost Constraints
• Major:
• Stator
• VFD
• Minor
• Coil Windings
• Tachometer photo-interrupter
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Maintenance Cost
• Power consumption usage
• Dedicated Atmega128 Board for usage on only that device
• New coil windings
[24]
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Outline of Presentation
• Background Information
• Design Approach
• Economic Analysis
• Societal and Environmental Impacts
• Timeline
• Division of Labor
• Conclusion
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Societal and Environmental Impacts
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Affected Individuals
• The project group
• Tyler Berchtold, Mason Biernat and Tim Zastawny
• Project Advisor
• Professor Gutschlag
• Course Instructor
• Doctor Sanchez
• Fellow students in ECE 498
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Natural Resource
• Metal
• Steel Laminates
• Copper
• Reusing equipment instead of purchasing new equipment
• VFD
• Variac
• Tachometer
• ATmega128
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Ethical Development
• Does not violate Human Rights
• Not a weapon of mass destruction
• Ethically Made
• Ethical Use
[7]
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Ensuring Safety
• Respecting Power Lab rules
• Always wear safety glasses
• Work in pairs
• Turn off power when not using
• Checking power connections to the motors
• Observing Motor for possible issues
• Monitoring sensors
• Construction and implementation is done correctly
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Safety Concerns
• Putting unsafe current levels through the stator.
• Heat Levels on Stator
• RPM of Simulated Linear Track
• Unauthorized individual attempting to use
• Children, Adults, Disabled
[8]
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Outcomes of Ignoring Safety
• Stator meltdown
• Stator exploding
• Electrocution
• Fire
• Microcontroller and sensor destruction
• Simulated Linear Track vibrations
• Personal Injury
[9]
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Additional Safety Protocol
• Used under proper supervision and settings
• More monitoring equipment
• Integrated heat sensor with sound alert when temperatures are to high
• Shielding around stator to prevent accidently contact
• Adequate airflow to allow for proper cooling
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Liability Concerns
• Damage to lab space
• Injury to others
$$$
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Outline of Presentation
• Background Information
• Design Approach
• Economic Analysis
• Societal and Environmental Impacts
• Timeline
• Division of Labor
• Conclusion
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Timeline / Division of Labor
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High Level - Division of Labor
• Design
• Microcontroller
• Tyler
• Stator
• Mason and Tim
• Purchasing
• Entire Group
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High Level - Division of Labor
• Construction
• Sensors
• Tyler
• Motor
• Mason and Tim
• Implementation
• Tyler, Mason and Tim
• Testing
• Tyler. Mason and Tim
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Interfacing Work – Tyler B.
• Interfacing
• Input from Sensors
• Tachometer
• VFD Frequency
• Voltage
• LCD Screen
• Voltage
• Slip
• Speed
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Stator Work – Mason B. and Tim Z.
• Stator
• Dimensions
• Pole Pitch
• Length
• Width
• Height
• Mounting hardware
• Coil Windings
• Gauge
• # of wraps
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Gantt Chart – Main Components
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Outline of Presentation
• Background Information
• Societal and Environmental Impacts
• Design Approach
• Economic Analysis
• Timeline
• Division of Labor
• Conclusion
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Conclusion
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Conclusion
• Overall Goals:
• Complete Design and Implementation if a linear machine
• Prototype a linear stator
• Develop working subsystems for control
• Achieve linear motion
• Gain experience
• Power systems
• Design and construction
• Interfacing
• Group dynamics
• Useful engineering skills
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Questions?
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References #1-5
[1] A. Needham. A maglev train coming out of the PudongInternational Airport. [Photograph]. Retrieved from https://en.wikipedia.org/wiki/Maglev#/media/File:A_maglev_train_coming_out,_Pudong_International_Airport,_Shanghai.jpg
[2] Linear Induction Motor. [Photograph]. Retrieved from http://www.mpoweruk.com/motorsac.htm
[3] Force Engineering. How Linear Induction Motors Work.[Photograph]. Retrieved from http://www.force.co.uk/linear-motors/how-linear.php
[4] T. Zastawny. Simulated Linear Track Shot 1. [Photograph].
[5] T. Zastawny. Simulated Linear Track Shot 2. [Photograph].
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References #6-10
[6] Laser Laminations. Stator Core. [Photograph]. Retrieved from http://laserlaminations.com/stator-laminations-product-samples.html
[7] Amazon. Applications Peace No Bombs Patch. [Photograph]. Retrieved from http://www.amazon.com/No-Bombs-Peace-Signs-Embroidered/dp/B00KGKCODA
[8] Safety Signs. Electrical Hazard Sign. [Photograph]. Retrieved from http://www.safetysign.com/products/p521/danger-electrical-hazard-sign
[9] Clip Art Best. Explosive Symbol Vector. [Image]. Retrieved from http://www.clipartbest.com/clipart-xTgo4e88c
[10] T. Zastawny. Wheel Turning. [Figure].
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References #11-15
[11] Old Lab Simulated Linear Track Shot. [Photograph].
[12] T. Zastawny. 3-D Prototype Model of Stator. [Figure].
[13] T. Zastawny. Polepitch. [Figure].
[14] All About Circuits. Phase Belt. [Image]. Retrieved from http://www.allaboutcircuits.com/textbook/alternating-current/chpt-13/tesla-polyphase-induction-motors/
[15] Newegg. ATmega128 ATMEL AVR Development Board ATmega128A-AU Core. [Image]. Retrieved from http://www.newegg.com/Product/Product.aspx?Item=9SIA5FB2053831&cm_re=ATmega128_ATMEL_AVR_Development_Board_ATmega128A-AU_Core-_-9SIA5FB2053831-_-Product
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References #16-19
[16] Polaris Laser Laminations. Segment Laminations. [Photograph]. Retrieved from http://www.polarislaserlaminations.com/images/slide-45.jpg
[17] Electric Wholesale Motor. Lenze Tech MCH250B. [Photograph]. Retrieved from http://www.electricmotorwholesale.com/LENZE-ESV152N02YXC.html
[18]
[19] Solid Stator. [Photograph]. Retrieved from http://4.bp.blogspot.com/-XWGCOFz7xB8/UCOGQdLxeFI/AAAAAAAABXk/haRdh1NHZ2I/s1600/solid_slot_stator.jpg
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References #20-25
[20] Modena. AutoCAD Logo. [Photograph]. Retrieved from http://www.modena.co.za/wp-content/uploads/2014/10/autocad-2015-badge-2048px.jpg
[21] Solidworks. Logo. [Photograph.] Retrieved from http://www.solidworks.com/
[22] T. Zastawny. Senior Lab. [Photograph].
[23] T. Zastawny. Power Lab. [Photograph].
[24] My Door Sign. Maintenance in Progress. [Photograph]. Retrieved from http://www.mydoorsign.com/maintenance-in-progress-caution-sign/sku-s-5712
[25] T. Zastawny. Main Component Gantt Chart. [Figure].
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References #26-31
[26] T. Zastawny. Detailed Gantt Chart. [Figure].
[27] M. Beirnat. Ideal Linear Synchronous Speed Vs. Frequency. [Figure].
[28] T. Zastawny. System Block Diagram. [Figure].
[29] T. Zastawny. System Block Diagram with highlighted portion. [Figure].
[30] T. Zastawny. Close up of VFD Block Diagram. [Figure].
[31] T. Zastawny. Flowchart of Internal Interrupt. [Figure].
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References #32-36
[32] S. P. Bhamidi. “Design of a Single Sided Linear Induction Motor (SLIM) Using a User Interactive Computer Program.” Internet: https://mospace.umsystem.edu/xmlui/bitstream/handle/10355/4308/research.pdf?sequence=3 , 2005. [Sept. 24, 2015]
[33] C. I. Hubert, “Linear Induction Motor,” in Electrical Machines Theory, Operation, Applications, Adjustment, and Control. New York, Merril, 1991, ch. 7, sec. 8, pp. 263-265.
[34] G. A. Francis. “Linear induction motor construction.” U.S. Patent 3155851 A, Nov. 3, 1964.
[35] T. Fellows, E. Laithwaite. “Secondary member for single-sided linear induction motor.” U.S. Patent 3824414 A, Mar. 13, 1973.
[36] N. B. John. “Linear induction motor.” U.S. Patent 3628072 A, Jun. 17, 1970.
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Detailed Gantt Chart
1-Sep 8-Sep 15-Sep 22-Sep 29-Sep 6-Oct 13-Oct 20-Oct 27-Oct 3-Nov 10-Nov 17-Nov 24-Nov 1-Dec 8-Dec
Salient/ Non-Salient Coil Windings
Pole Pitch
Air Gap
Slip
Speed
Current
Variable Frequency Drive
Tachometer
Current Probe
Slip Calculation
Parts Review
Purchashing
Coding Microcontroller
Shaping Core
Coil Winding
Core Housing
LIM to Track
Connect LIM to Microcontroller
Attach Varaic to System
Slip Testing
Speed Testing
Power Efficiency
[26]
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Detailed Budget – Buying
Component Cost
Stator Laminates$800.00
Copper Wire$10.00
Metal Bracing$50.00
Fasteners$10.00
Speed Sensor$5.00
Tachometer$2.00
Miscellaneous Small Components$100.00
Total Cost:$967.00
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Equipment Already Have
Component
Simulated Linear Track
Variable Frequency Drive (Lenze AC Tech MH250B)
Variac
High Voltage Current Meter
Microcontroller (Atmega128)
Tachometer (EE-SG3)
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Formal Test procedures
• Measuring input and output current
• Measuring torque
• Measuring speed
• Calculating efficiencies
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Preliminary Test Results
[27]
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Diagram of Entire System
Atmega 128Micro Controller
Keypad
LCD
Variable Frequency Drive
Analog 0-10V
Start/ Stop0-10V Signal
D/A
A/D
Analog 0-10V
3-Phase Power Source
BA C
Linear Induction Motor Stator
A
B
C
Simulated Linear Track
Speed Sensor
[28]
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Diagram of Entire System
Atmega 128Micro Controller
Keypad
LCD
Variable Frequency Drive
Analog 0-10V
Start/ Stop0-10V Signal
D/A
A/D
Analog 0-10V
3-Phase Power Source
BA C
Linear Induction Motor Stator
A
B
C
Simulated Linear Track
Speed Sensor
[29]
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Close up of VFD System
Atmega 128
Microctonroller
D/A
A/D
Var
iab
le
Fre
qeu
nc
y
Dri
ve
Start/ Stop0-10V Signal
Analog 0-10V
Analog 0-10V
[30]
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Flowchart of Internal Interrupt
Intialize Count = 0
Count < 249
Pin E3 = 0
Count++
Pin E3 = 1
Count = 0
Else
[31]