G - Physics – 05 – B
Patent
G - Physics
05
B
G05B 19/048 (2006.01)
Patent
CA 2689416
A failure is detected immediately and certainly, and continuation of processing in an unstable state is prevented. A first error detection code is generated from first information which is output as a result of execution of a predetermined program conducted by a first processor. A second error detection code is generated from second information which is output as a result of execution of the program conducted by a second processor which is configured so as to output the same computation result as that of the first processor. It is detected whether the first information is the same as the second information, and it is detected whether the first error detection code is the same as the second error detection code. Writing the first information or the second information into a main memory is controlled on the basis of a result of the detection.
Funaki Satoru
Kiyofuji Yasuhiro
Kobayashi Eiji
Kokura Shin
Onozuka Akihiro
Hitachi Ltd.
Hitachi Information & Control Solutions Ltd.
Kirby Eades Gale Baker
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