G - Physics – 05 – B
Patent
G - Physics
05
B
G05B 19/042 (2006.01) G05B 19/048 (2006.01) G06F 11/20 (2006.01)
Patent
CA 2668835
The present invention provides a duplexed operation processor control system that includes operation processors, an I/O device, and at least one communication path that couples the operation processors to the I/O device, and at least one communication path that couples the operation processors with each other. The duplexed operation processor control system switches over either of the operation processors to be a primary operation processor that executes a control operation for a control target, and the other to be a secondary operation processor that is in a stand-by state, and the secondary operation processor snoops control data synchronously when the primary operation processor acquires the control data from the control target.
Bando Akira
Funaki Satoru
Ishikawa Masakazu
Iwasaki Yu
Kiyofuji Yasuhiro
Hitachi Ltd.
Hitachi Information & Control Solutions Ltd.
Kirby Eades Gale Baker
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