To enable a detection of a current value in a circuit with high accuracy.SOLUTION: A load control device comprises: load control means of performing an ON/OFF operation of each switching element mounted between a power supply and a load to drive the load; a current detection resistance 25; a difference amplifier; and current calculation means of calculating a current flowing in the current detection resistance. The load control means can switch a standby state of alternately repeating a state of turning ON one of switching elements and OFF the other one and a state of turning OFF one of them and OFF the other one and a driving state of flowing a current to the load by turning ON both of the switching elements. The current calculation means that sets a value output from a difference amplifier to an off-set value in the standby state, and calculates the current flowing in the current detection resistance on the basis of the value output from the difference amplifier in the driving state and the off-set value.SELECTED DRAWING: Figure 3

    【課題】回路内の電流値を精度よく検出することが可能である。【解決手段】負荷制御装置は、電源と負荷との間に介装されるスイッチング素子をON/OFF動作させて負荷を駆動する負荷制御手段と、電流検出用抵抗と、差動アンプと、電流検出用抵抗25に流れる電流を演算する電流演算手段と、を備える。負荷制御手段は、スイッチング素子の一方をONにして他方をOFFにする状態と一方をOFFにして他方をONにする状態とを交互に繰り返すスタンバイ状態と、スイッチング素子の両方をONにして負荷に電流を流す駆動状態と、を切り換え可能である。電流演算手段は、スタンバイ状態である場合に差動アンプから出力された値をオフセット値として設定し、駆動状態である場合に差動アンプから出力された値とオフセット値とに基づいて電流検出用抵抗に流れる電流を演算する。【選択図】図3


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    Title :

    STEERING-BY-WIRE SYSTEM AND STEERING-BY-WIRE CONTROL METHOD


    Additional title:

    ステアリングバイワイヤシステムおよびステアリングバイワイヤ制御方法


    Contributors:

    Publication date :

    2022-10-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B62D MOTOR VEHICLES , Motorfahrzeuge / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES



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