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Machine translation
1. (WO1980000198) SELF-MONITORED CONTROL SYSTEM OF A PROCESS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1980/000198    International Application No.:    PCT/FR1979/000056
Publication Date: 07.02.1980 International Filing Date: 29.06.1979
IPC:
G05B 9/03 (2006.01), G05D 1/00 (2006.01)
Applicants:
Inventors:
Priority Data:
7820286 07.07.1978 FR
Title (EN) SELF-MONITORED CONTROL SYSTEM OF A PROCESS
(FR) SYSTEME DE COMMANDE AUTO-SURVEILLE, D"UN PROCESSUS
Abstract: front page image
(EN)The process comprises two complementary circuits (4, 5) allowing the substitution of controls signals, when they are wrong by security limit values calculated by separate circuits (10, 11, 17, 18), a circuit (21) producing an alarm signal when the signals at the output of the two complementary circuits (4, 5) are not identical, a security circuit (23) allowing the selection the signal transmitted by the two complementary circuits (4, 5) which is not erroneous in case of a fall in one of the complementary circuits (4, 5) and a monitoring circuit (26, 28, 29) allowing to signal a fault in the security circuit (23). The system applies in particular to the piloting of aerodynes.
(FR)Ce systeme comprend deux circuits complementaires permettant de substituer les signaux de commande, lorsqu"ils sont errones par des valeurs limites de securite calcules par des circuits separes, un circuit emettant un signal d"alarme lorsque les signaux, a la sortie des deux circuits complementaires, ne sont pas identiques, un circuit de securite permettant de selecter le signal emanant des deux circuits complementaires qui n"est pas errone en cas de panne de l"un des circuits complementaires et un circuit de surveillance permettant de signaler une defaillance du circuit de securite. L"invention s"applique notamment au pilotage des aerodynes.
Designated States:
Publication Language: French (FR)
Filing Language: French (FR)