A brush current control system, an intelligent brush current control system and a control method are provided. A powerful sensor (3) is arranged on the lifting end of the brush (1), and a mover (5) of a controllable power device is connected with the force sensor (3) to transmit thrust to the brush (1) through the force sensor (3). The force sensor (3) is connected with the controllable power device through the controller. The flow loop is connected with a shunt (8) or a Hall current sensor (9) for measuring the current passing through the brush (1), and the shunt (8) or the Hall current sensor (9) is connected with the controller. When the current on the brush (1) measured by the shunt (8) exceeds the upper limit, the controller sends out instructions to increase the thrust output of the force motor (4) until the current on the brush (1) is lower than the upper limit; conversely, when the current on the brush (1) measured by the shunt (8) is lower than the lower limit, the controller sends out instructions to reduce the thrust output of the force motor (4) until the power motor (4) reaches the lower limit. The current on the brush (1) is higher than the lower limit.
【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请，说明书已公开。
【技术保护点】
PCT国内申请，权利要求书已公开。
【技术特征摘要】
【国外来华专利技术】PCT国内申请，...
【专利技术属性】
技术研发人员：黄继林，张树民，田园，
申请(专利权)人：黄继林，张树民，田园，
类型：发明
国别省市：安徽,34
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