Electronic control unit including monitoring control circuit

Details Electronic control unit including monitoring control circuit Electronic control unit including monitoring control circuit

2006-09-12

2006-09-12

Beausoliel, Robert W. (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S030000, C714S037000, C714S041000, C714S051000

Reexamination Certificate

active

07107488

ABSTRACT:
A microprocessor20acontrols an electrical load group12responsive to content of a non-volatile program memory25aand operation state of an input sensor group11.A monitoring control circuit section30asequentially transmits a large number of question items with an inquiry packet, and compares response content from the microprocessor20awith correct answer information to carry out an error determination. The microprocessor20adiagnoses an interval of receiving an inquiry packet to monitor in reverse the monitoring operation of the monitoring control circuit section30a. Thus, in an electronic control unit having a microprocessor built-in, a monitoring control circuit is obtained that alternatively executes at regular intervals a part of control programs to carry out operation inspection during operation.

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