Provided is a steering control device capable of stably continuing steering control even if one piece of vehicle speed information is abnormal in a redundant configuration. The present invention is provided with: a plurality of communication lines (41, 42) for transmitting vehicle speed information, which is information relating to a vehicle speed; and a plurality of calculation units (51, 53) which are connected to each other so as to be communicable, are individually connected in correspondence with the plurality of communication lines (41, 42), and each calculate a gear ratio on the basis of the vehicle speed information received via the corresponding communication line (41, 42), and each of the plurality of calculation units (51, 53) determines whether or not the received vehicle speed information is valid. When at least one of the plurality of calculation units (51, 53) determines that the vehicle speed information is inactive, the calculation control of the gear ratio is changed from a vehicle speed sensing control in which the gear ratio is calculated on the basis of the vehicle speed information to a specific control in which the gear ratio is calculated not on the basis of the vehicle speed information.
本发明提供一种在冗余结构中,即使一个车速信息为异常,也能稳定地继续进行转向控制的转向控制装置。本发明具备:多个通信线路(41、42),传输作为与车速相关的信息的车速信息;以及多个运算部(51、53),以能通信的方式相互连接,单独地与多个通信线路(41、42)对应连接,分别基于经由对应的通信线路(41、42)接收到的车速信息来运算传动比,多个运算部(51、53)分别判定所接收到的车速信息是否为有效,在通过多个运算部(51、53)中的至少一个判定为车速信息为非有效的情况下,分别将传动比的运算控制从基于车速信息来运算传动比的车速感应控制变更为不基于车速信息地运算传动比的特定控制。
Steering control device
转向控制装置
2023-10-27
Patent
Electronic Resource
Chinese
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