Sens it small electronic network sensor integrity tool
Download
1 / 20

SENS-IT Small Electronic Network Sensor Integrity Tool - PowerPoint PPT Presentation


  • 204 Views
  • Uploaded on

SENS-IT. SENS-IT Small Electronic Network Sensor Integrity Tool. Development of a Low-Cost Permanently Installed Microelectronic Wireless Monitoring System for Process Plant 23 February 2005. Summary Project Details. Scope

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'SENS-IT Small Electronic Network Sensor Integrity Tool' - dea


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
Sens it small electronic network sensor integrity tool l.jpg

SENS-IT

SENS-ITSmall Electronic Network Sensor Integrity Tool

Development of a Low-Cost Permanently Installed Microelectronic Wireless Monitoring System for Process Plant

23 February 2005


Summary project details l.jpg
Summary Project Details

  • Scope

    • Development of a Low-Cost Permanently Installed Microelectronic Wireless Monitoring System for Process Plant

  • Benefit

    • Improved monitoring techniques leading to lower operational costs, improved QHSE, more reliable information for increased integrity management, and zero loss of containment.

  • Duration: 34 months

  • Total Cost: €3.14m

  • EC Funding: €1.7m

  • Balance of Funding: Project Partners



Progress to date l.jpg
Progress to date

  • Oct 02 - Project Start

  • Mar 03 - Development of Functional Specification

  • Oct 03 - Detailed Operational and Interface Specification

  • Dec 03 - Paper design

  • Mar 04 - Project interim stage reached

    • Partners agree to continue project to conclusion

  • Apr 04 - Technology Demonstrator system designed and built

  • Apr 04 - Technology successfully demonstrated

  • Feb 05 - Prototype design on-going

    • Issues of intrinsic safety being addressed


Areas of work l.jpg
Areas of work

  • Sensor development

    • Piezo-composite sensors

    • Single and array

    • Specification, design, characterisation, test and evaluation

    • Sensor packaging

    • Manufacture

  • Microelectronic Interface design & manufacture

    • Design of drive electronics and pre-amp circuitry

    • Interface packaging

    • Miniaturisation


Areas of work6 l.jpg
Areas of work

  • RF interface

    • Network topology evaluation

    • Network interface specifications

    • Choice of communication technologies

    • Integration of RF

  • Data acquisition

    • Software and dataset specification

  • Power supply

    • Choice of battery technology

  • Software & Firmware

    • Software and dataset specification

    • Software utility for presentation of results


Achievements system l.jpg
Achievements: System

  • Demonstrator unit built

  • Integrated unit incorporating:

    • Sensor

    • Integrated electronic interfaces

    • Battery technology

    • Interim software package

      • (Main software now available)


Achievements sensor l.jpg
Achievements: Sensor

  • Twin crystal design to resolve 4mm wall thickness

  • Successful integration of probes to driver electronics and production of a signal suitable for wall thickness calculations Demonstration of probe arrays

  • Low power to comply with ATEX regulations

  • System can resolve wall thickness changes in a pit defect to within 0.2mm


Achievements microelectronics l.jpg
Achievements: Microelectronics

  • Miniaturized microelectronic unit consists of:

    • high speed analogue circuit

    • digital controller

    • 8 channel multiplexer / de-multiplexer

    • all have been fully assembled and tested


Achievements miniaturisation l.jpg
Achievements: Miniaturisation

  • Credit card size micro-electronics interface achieved …

  • … and working!

  • Could be made smaller

    • This considered another development

    • Compromise on size and intrinsic safety issues


Achievements power l.jpg
Achievements: Power

  • Various battery solutions evaluated

  • Special battery pack

    • combination of primary / secondary cells implemented

    • provides high pulse currents throughout the target lifetime of two years

    • Probably 6 AA cells equivalent

    • (Due to IS requirements

  • Power profile reduced by 25% since mid-term position

  • On-going activity


Achievements wireless l.jpg
Achievements: Wireless

  • Wireless LAN 802.11b compatible (WiFi compliant)

  • Range: 500m (approx) range line-of-sight

  • Digital interface for connection to sensor unit

  • Star-shaped wireless network topologies with the use of central access points

  • FTP protocol allows communication with the sensor network via web gateway

  • Dimensions: 80x50x10mm (40cm3)

  • Temperature range: -20 to +85°C

  • Power consumption: 600mA at 3.3V (2W)

  • Solar cell (optional)


Achievements software l.jpg
Achievements: Software

  • An intuitive and simple user interface

  • A robust and effective interface to the communication units

  • Export/import solutions that will enable effective interface to end-users systems

  • Efficient and robust interpretation of the ultrasonic signals




Achievements summary l.jpg
Achievements: Summary

  • Integrated design of a demonstrator unit

  • Signal output received

  • It works!


Lessons learnt so far l.jpg
Lessons Learnt … so far!

  • Issues of sensor characteristics and interfacing electronics

  • Issues of intrinsic safety

  • Issues of integration of RF for high speed, low power data links

  • Low noise, high speed circuit design

  • System Integration

  • Importance of working closely with partners


Next steps l.jpg
Next Steps

  • Refine design for system integration and manufacture

  • Complete ATEX certification at component level

  • On-going ATEX certification for integrated system

  • Production and commissioning of prototype

  • Evaluation testing on site


Programme to completion l.jpg
Programme to Completion

Anticipated time for on-site testing


Thank you for listening l.jpg

Thank you for listening

Any questions?


ad