Method of automatically controlling and verifying telecommands i

Details Method of automatically controlling and verifying telecommands i Method of automatically controlling and verifying telecommands i

1996-01-16

1998-02-24

Hafiz, Tariq R.

Communications: directive radio wave systems and devices (e.g.,

Clutter elimination

Mti

395 51, 395905, 395913, 342352, 342355, 342358, G06F 1700

Patent

active

057218102

ABSTRACT:
A method of automatically controlling and verifying telecommands in a satellite control system in which a satellite status analyzing/processing unit and a telecommand producing/executing unit are closely connected with each other to share a knowledge base with information regarding the telecommands. The present method comprises the steps of transmitting the telecommands to a satellite for the control thereof, receiving the resultant telemetry from the satellite, analyzing the received telemetry, inferring telemetry values corresponding to the transmitted telecommands from the information in the knowledge base, verifying a telecommand execution status of the satellite on the basis of the analyzed result and inferred telemetry values and producing a control command upon recognizing an abnormal status of the satellite in accordance with the verified result. According to the present invention, an operator needs not check data one by one to determine whether the telecommand execution is normal or not. Therefore, the present invention has the effect of enhancing the performance and reliability of the satellite control system.

REFERENCES:
patent: 4607257 (1986-08-01), Noguchi
patent: 5109380 (1992-04-01), Ogino
patent: 5295231 (1994-03-01), Ogino
patent: 5319574 (1994-06-01), Ikeda
Fuchs et al. "plan ERS-1: An Expert Planning System for Generating Spacecraft Mission Plans" Expert Planning Systems, IEE Cont. Pub. 322, pp. 70-75, 1990.

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