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A1261125019RtAvg

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Automation & Robotics Research Institute (ARRI) The University of Texas at Arlington ... Machinery monitoring & Condition-Based Maintenance (CBM / PHM / RUL) ... – PowerPoint PPT presentation

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Title: A1261125019RtAvg


1
F.L. Lewis, Assoc. Director for
Research Moncrief-ODonnell Endowed Chair Head,
Controls, Sensors, MEMS Group
Automation Robotics Research Institute
(ARRI)The University of Texas at Arlington
Wireless Sensor Networks
Graduate students Jayanta Hajra, Ankit Tiwari
http//ARRI.uta.edu/acs
2
Wireless Sensor Networks
Vehicle Monitoring
Animal Monitoring
Medical Monitoring
Machine Monitoring
Wireless Data Collection Networks
Wireless Sensor
Wireless Sensor
BSC (Base Station Controller, Preprocessing)
BST
Ship Monitoring
Management Center (Database large storage,
analysis)
Data Acquisition Network
Data Distribution Network
Roving Human monitor
transmitter
Online monitoring
Printer
Server
Wireland (Ethernet WLAN, Optical)
Wireless (Wi-Fi 802.11 2.4GHz BlueTooth Cellular
Network, - CDMA, GSM)
PDA
Any where, any time to access
Cellular Phone
Notebook
PC
3
Wireless MEMS Sensor Networks
Mems_at_uta.edu http//mems.uta.edu
New Initiative at ARRI 180K in ARO/ UTA/ Texas
funding to set up ARRI MEMS lab 240K in MEMS
Network related Grants from NSF and ARO
CC UserInterface forwireless networks-
Contact Frank LewisLewis_at_uta.edu http//arri.uta.
edu/acs
4
Wireless Sensor Nets for BCW Monitoring
Structured chemically-activenanosphere thin
film- Rajeshwar
3x3 IGEFET sensor micro-array- Kolesar
Molecular Recognition- Rudkevich
Microcantilever MEMS sensor array- Kolesar
DSP and CC User Interface for wireless
networks- Lewis
5
Wireless CBM Research Areas
  • COTS Wireless Sensors
  • Berkeley Crossbow
  • Microstrain
  • Wireless Networks
  • Cellular network
  • WLAN
  • Other short range RF networks
  • Multiple linked networks
  • Sensor Technology
  • MEMS ?
  • Node Technology
  • DSP
  • Power
  • RF link
  • Remote Access Terminals
  • Wireless PDA, Wireless Laptop
  • Cellphone, Internet
  • Data management
  • Sensor data storage
  • DSP
  • Data Access
  • Fault Diagnostic Decision-Making
  • Alarming

6
Condition Based Maintenance System Architecture
DAQ and Monitoring
Analysis
Distributed DSP
Wireless Sensor
Wireless Transceiver
Feature extraction
Time Domain
Frequency Domain
Wavelet
Preprocessing Monitoring Post Processing (Labview)

Target
Techniques
Neural Net
Artificial Intelligent
Fuzzy Logic
Offline Legacy Data
Database
Fault Pattern
Training Sequence
Functional Building Block
Self Learning
Fault Recognition
Health Assessment
Prognosis Diagnosis
Sensor Fusion
Pattern Matching
7
Which Hardware?
Berkeley Crossbow Sensor
Berkeley Crossbow Sensor
Crossbow transceiver
Crossbow transceiver
Crossbow Berkeley Motes
8
Microstrain Wireless Sensors
Microstrain G-Sensor
Microstrain Transceiver Connect to PC
Microstrain V-Link Transceiver
http//www.microstrain.com/index.cfm
RFID node
9
CBM Network Developed and Implemented On ARRI
Air Conditioning Machinery Room
Ankit Tiwari
FSM Running at Each Sensor Node
UC-TDMA Protocol Running at Base Station
10
DSP- Data to Information
Discrete Event - triggers Advise, Decision
Assistance, Alarm
LabVIEW GUIs Developed
Multiple Time Signal Display
Analysis and FFT
11
IEEE 1451 Standard for Smart Sensor Networks
hardware interface
N E T W O R K
local user interface
application algorithms
analog-to- digital conversion
signal conditioning
communication
sensor
DSP
data storage
Virtual Sensor
Network Specific
Network Independent
Concept of Smart Sensor contains functions in
addition to those needed for accurate
presentation of the measurand
12
Conway Heffernan, Univ. Limerick http//wwww.ul.
ie/pei
IEEE 1451 Standard for Smart Sensor Networks
13
New Sensor Technologies- MEMS
Power Generation
New Sensing Methods
Optical Pulmonary Pressure Sensor
E-Mag Vibration
E-Static
RFID
Membrane deflection FEA
14
User Interface, Monitoring, Decision Assistance
Wireless Access over the Internet
LabVIEW Real-time Signaling Processing
CBM Database and real time Monitoring
PDA access Failure Data from anytime and anywhere
15
Distributed Decision-Making
Recursive Filtering c/f Kalman Filter for
-- Dempster-Schafer Fuzzy Logic Neural
Networks
Unify Dempster-Schafer Bayesian Fuzzy
Logic Neural Networks
Decentralized Decisions c/f/ Decent. Kalman
Filter for- Dempster-Schafer Fuzzy
Logic Neural Networks
Security Issues??
16
 IEEE Singapore SMC, RA, and Control Chapters
Short Course Wireless Sensor Networks for
Monitoring Machinery,  Human Biofunctions, and
Biochemical Agents
MEMS Power Generation
Date     Thursday, 13 November 2003 Time    
900 am. - 500 pm Venue    National University
of Singapore 
Wireless Networks DSP and User Interface
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