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    • 1. 发明申请
    • CONTROL DEVICE
    • 控制装置
    • US20150292466A1
    • 2015-10-15
    • US14646174
    • 2013-10-25
    • HITACHI AUTOMOTIVE SYSTEM, LTD.
    • Katsuya OyamaChihiro SatoMitsuhiko Watanabe
    • F02P9/00
    • F02P9/002F02D41/26F02D41/266F02D2041/286F02D2250/12H04L1/08H04L29/08
    • The invention, while reducing noise, suppresses a load increase in a processor and a delay in drive control. An engine control unit includes a processor, a driving circuit including a switching element to drive a load such as a fuel injector and an ignition device, and a communication circuit that transmits control signals from the processor to the driving circuit via serial communication. The control signals each include a command frame for controlling the driving circuit and a data frame for driving the load. If a predetermined bits in each of the data frames received from the processor at predetermined time intervals are determined to be the same twice in succession, the engine control unit changes a state of a driving signal ‘Drive’ for driving the load and thereby changes an operating state of the switching element.
    • 本发明在减少噪声的同时,抑制了处理器的负载增加和驱动控制的延迟。 发动机控制单元包括处理器,包括用于驱动诸如燃料喷射器和点火装置的负载的开关元件的驱动电路,以及通过串行通信将控制信号从处理器发送到驱动电路的通信电路。 控制信号各自包括用于控制驱动电路的命令帧和用于驱动负载的数据帧。 如果以预定时间间隔从处理器接收到的每个数据帧中的预定位被确定为相同两次,则发动机控制单元改变用于驱动负载的驱动信号“驱动”的状态,从而改变 开关元件的工作状态。