Patent ID: 9719481
Date: 2017-08-01
CPC Classifications: F02D,F02P,H04L

Claim:
1. An engine control device comprising: a processor; a driving circuit including a plurality of drivers that drive electrical loads of the engine; and a communication circuit that transmits a plurality of control signals from the processor to the driving circuit via serial communication; wherein the driving circuit; receives the plurality of control signals over a plurality of time frames, wherein each of the plurality of time frames is received for a predetermined interval of time and the predetermined interval of time is equal to or less than a target value obtained by dividing an amount of time needed for a crankshaft to revolve through a unit angle at a maximum allowable revolving speed of the engine by a first predetermined number of times, determines a value for each of the plurality of control signals, and changes an operating state of one or more of the drivers if the value is determined the first predetermined number of times in succession.