Fo Lan Based Intelligent Sensor Testhed For Propulsion And Avionics Module (PAM)

J . Van der Zijp; A. Choudry; S. L. Patrick

doi:10.1117/12.942604

3 December 1987 Fo Lan Based Intelligent Sensor Testhed For Propulsion And Avionics Module (PAM)

J . Van der Zijp, A. Choudry, S. L. Patrick

Proceedings Volume 0840, Fiber Optic Systems for Mobile Platforms; (1987) https://doi.org/10.1117/12.942604
Event: Cambridge Symposium on Fiber Optics and Integrated Optoelectronics, 1987, Cambridge, MA, United States

Abstract

Spacecrafts planned for the years 1995-2000 are envisaged to contain a generic PAM (Propulsion Avionics Module) A part of the PAM has the task to process data form a large number of embedded sensors to perform control, diagnostics and health monitoring. These tasks include the following. --Control, for the real-time closed loop control of the craft during the mission. --Diagnostics, for fault isolation and corrective action initiation during the mission. --Health Monitoring, to assess after a mission, if the craft will fly again? What refurbishing is needed? To carry out the above tasks the PAM and the associated sensors should provide an integrated environment to perform three generic computational activities, namely, numeric manipulations for general data processing and data base management, symbolic manipulations for diagnostics and decision making, graphic presentation as an interface with operators in manned missions. Furthermore, the communication among the processors and the sensors should be EMI and hostile environment resistant. We have implemented a FO-LAN based testbed as an integrated environment of numerical, symbolic and graphic processors with ports for sensors and actuators. A multimode, 832 nm carrier wavelength, passive star network connects a Microvax, LMI LAMBDA (with PICON) and Silicon Graphics IRIS workstation. There are four additional ports for connecting sensors and actuators. With this testbed, we can evaluate various architectures can also carry out hardware in the loop simulations for studying control strategies. Details of the testbed and preliminary results of intelligence sensor analysis will be presented.

Citation Download Citation

J . Van der Zijp, A. Choudry, and S. L. Patrick "Fo Lan Based Intelligent Sensor Testhed For Propulsion And Avionics Module (PAM)", Proc. SPIE 0840, Fiber Optic Systems for Mobile Platforms, (3 December 1987); https://doi.org/10.1117/12.942604

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KEYWORDS

Sensors

Actuators

Visualization

Diagnostics

Stars

Data processing

Local area networks

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