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![Page 1: Wireless Sensor Networks Applications Amy Wang VP of Technology Mela Networks, Inc. awang@melanetworks.com 408-426-4425 WSN Workshop.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649f255503460f94c3bd2e/html5/thumbnails/1.jpg)
Wireless Sensor NetworksWireless Sensor NetworksApplicationsApplications
Amy WangVP of TechnologyMela Networks, Inc.
WSN WorkshopMarch 8, 2006
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Where Is WSN?Where Is WSN?
TechnologyTrigger
Peak of InflatedExpectations
Trough ofDisallusionment
Slope of Enlightenment
Plateau ofProductivity
Visibility
Time
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Industrial Automation Usage ClassesIndustrial Automation Usage ClassesSafety Class 0 : Emergency action (always critical)
ControlClass 1: Closed loop regulatory control (often critical)
Class 2: Closed loop supervisory control (usually non-critical)
Class 3: Open loop control (human in the loop)
Monitoring
Class 4: AlertingShort-term operational consequence (e.g., event-based maintenance, asset tracking)
Class 5: Logging & downloading/uploadingNo immediate operational consequence (e.g., history collection, SOE, preventive maintenance)
Im
po
rtan
ce o
f
mes
sag
e ti
me
lin
ess
incr
ease
s
Source: ISA-SP100 User Goals, Tom Phinney, ISA Expo, 2005
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RequirementsRequirements• Cost
– Capital expense– Operational expense– Easy installation and
maintenance– Power management
• Compatibility & Scalability– Interoperability/Shared
infrastructure– Worldwide usability– Capacity and scalability
• Performance– Reliable communication– Adequate reporting rates
• Quality of Service (QoS)– Timeliness (latency) and
successful throughput– Delivery ordering– Recovery action
• Security• System Management • Standard Compliance
Source: ISA-SP100 User Goals, Tom Phinney, ISA Expo, 2005
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Case Study: Business ProblemCase Study: Business Problem
• Real-time Monitoring System• Analytical tool• Automated
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MethodologyMethodology
• Technology Capability: Demonstrable• Technology Maturity: Now and Future• Supplier Quality
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Modular Software ArchitectureModular Software ArchitectureUsers
Normalized WSN DB
XM
L T
ranslator
Mela Software Data A
nalysis
Tools
SO
APEnterprise
App Servers
Web
services
Partners
3rd Party Data Analysis
Tools
API
SN
MPNetwork Mgmt
(HP OpenView)
DB
Mgmt
Vendor B
WSN
Manager
Vendor A
WSN
Manager
XML
XML
ModbusIndustrial
Controllers
Database
https
http
Remote Mgmt
Operation
AJAX
Hibernate Data Access Objects
POJOs
Nodes
Links
Measurements
Alarms…Controllers
Views
Business Logic Managers
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I/Os
I/Os
Extendibility of Legacy SystemsExtendibility of Legacy Systems
Master PLC
WSN
Server
Client
Modbus/WSN
gateway
Modbus modem
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Mela Networks WSN SoftwareMela Networks WSN Software
• Enable users to rapidly and cost effectively deploy integrated, interoperable solutions for networked sensors across all device platforms, with centralized management and control
• Build on Open Source Tools and Spring Framework– Spring framework, modular, maximal code reuse, wired by config files– Deployable to any standard J2EE container/application server,
Apache Tomcat, Websphere, Oracle App Server, WebLogic– Hibernate and Data Access Object, support any database, mySQL,
PostgreSQL, Oracle DB, SQL Server– Java and JSP, “cross platform”– Model View Controller (MVC) pattern, separate presentation from
business logic from data, easy customization– Web services (SOAP) to interface with Enterprise applications– Structured XML, translators for any WSN vendor XML interface– AJAX, optimizing user experience
• Plug and play with legacy industrial automation protocols, e.g. Modbus
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FunctionalitiesFunctionalities• Command and Control dashboard with summary
alarm status– Easily apply user-defined business rules for immediate visibility
and notification of exceptions
• Network topology– Monitor network health and connectivity
• Data analysis and graphs– Easy and intuitive data access and trending
• Configuration of device profiles and server settings– Easily configure and control a network of devices graphically
• Web Services Interface– Transform raw data into actionable events and seamlessly
integrate the events with existing enterprise execution systems.
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Screen ShotsScreen ShotsMelaMela
MelaMela
MelaMela
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REAL TIME LOCATION SYSTEMREAL TIME LOCATION SYSTEM– Mesh network basedMesh network based– Use RSSI informationUse RSSI information– Proprietary algorithm Proprietary algorithm
using Bayesian networksusing Bayesian networks– NO NEED for trainingNO NEED for training– Self-learning network Self-learning network
(location estimation is (location estimation is not affected by not affected by environmental changes)environmental changes) -200
0
200
400
600
800
-200 0 200 400 600 800
Inches
Inch
es
Fixed beacons
True location
Estimate
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Sensor Gateway(Xmesh)
API
Web Services
Zigbee Sensor
Gateway
API API
Universal Gateway
Applications
Database
Zigbee Sensor
Gateway
Sensor Gateway(Xmesh)
Proprietary Coordinator
Command & Control
Zigbee Coordinator
Location
NetworkManagement
Applications
RFIDReaders
End Devices
RFIDReadersRFIDReaders
Optimization
Custom Value Add
SOLUTION STACK
MelaNetworks
Partners/Customers
Customers/Users
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Heating & Air ConditioningHeating & Air ConditioningEnergy efficiencyEquipment protection
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Wireless Sensor NetworksWireless Sensor NetworksSpecial Interest GroupSpecial Interest Group
Web page: www.melanetworks.com/events.htme-mail: [email protected]
Meetings: Usually the 4th Thursday of the month at 4:00PM (registration and networking start at 3:30PM)
Chair: Giovanni Tripodi, CEO Mela Networks
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2006 Calendar2006 CalendarDateDate Presenting companyPresenting company TopicTopic
Jan 26th, 2006 Crossbow Field applications and case studies
Feb 23rd UCSC Image sensors for assisted living
Mar 23rd Sun Microsystems Sun Lab's Java-Powered Wireless Sensor
Apr 27th HP TBA
May 8th Business Plan competition In collaboration with SVASE
May 25th Arched Rock TinyOS Alliance
June 22nd Dust Networks TBA
July 27th Ember TBA
Aug 24th Venture Capitalists: One year later Annual Venture Capitalists Meeting
Sep 28th Freescale Zigbee
Oct 26th Millennial Net Sensors Net applications
Nov 16th Open Open
Dec 14th Open Open
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RFID AND WSN TrainingRFID AND WSN TrainingMelaNetworks in collaboration with RFID4U
RFID and WIRELESS SENSORS
PROGRAMMING SENSOR NETWORKS WITH TINYOS April 4-6 TechMart Santa Clara, CA
Instructors: Prof. Dongyan Chen, PhDXavier Univ. of Louisiana, New Orleans, LA
Giovanni Tripodi, CEO Mela Networks Sam Patadia, VP(Knowledge Solutions) RFID4U
www.melanetworks.com www.rfid4u.com
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Business Plan CompetitionBusiness Plan Competition
Start-ups actively looking for funds-Must have revenues-Must be pre-Series A-Must be a legal entity in USA-NO FEE to enter (usually $125)-More info at: www.svase.org www.melanetworks.com
Wilson & Sonsini – Palo Alto, CA May 8th 5:30PM
*** DEADLINE TO ENTER MARCH 31st ****
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Additional ResourcesAdditional Resources
WSN SIG (300+ people) www.melanetworks.com/events.htm
www.zigbee.orgwww.wina.orgwww.isa.org (SP100)
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BackupBackup
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Application RequirementsApplication Requirements• 2 years battery life (1 sec sensor sampling rate & 10 sec/packet) • High reliablity (> 99.9%)• Automatically picks clean channels to avoid interference• Edge node able to pick the best router to connect to the network• Mesh backbone should have redundancy, be self-healing• Fast reconnect time when parent down: ~ O (1) sec• Ease of deployment: automatically pick clean channels, avoid
interference• Hot standby base node to prevent single point of failure• Network provides sufficient health information, periodically & on-demand• Customer can develop its own command and control applications to
monitor the readings, configure devices through device profiles• Customer can develop sensor drivers easily• Separation of the network logic from the storage logic• Future: battery powered routers with sensors attached to them.