Hazard detection and avoidance sensor for NASA's planetary landers

Details Hazard detection and avoidance sensor for NASA's planetary landers Hazard detection and avoidance sensor for NASA's planetary landers

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992spie.1702..132l&link_type=abstract

In: Hybrid image and signal processing III; Proceedings of the Meeting, Orlando, FL, Apr. 23, 24, 1992 (A93-27932 10-32), p. 132

Computer Science

Landing Sites, Optoelectronic Devices, Planetary Landing, Safety Factors, Viking Lander Spacecraft, Computerized Simulation, Hazards, Nasa Space Programs, Neural Nets

Scientific paper

An optical terrain analysis based sensor system specifically designed for landing hazard detection as required for NASA's autonomous planetary landers is introduced. This optical hazard detection and avoidance (HDA) sensor utilizes an optoelectronic wedge-and-ting (WRD) filter for Fourier transformed feature extraction and an electronic neural network processor for pattern classification. A fully implemented optical HDA sensor would assure safe landing of the planetary landers. Computer simulation results of a successful feasibility study is reported. Future research for hardware system implementation is also provided.

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