Energy-saving control method for electro magnetic clutch of electric assisted steering device
A technology of electric power steering and electromagnetic clutch, which is applied in the direction of electric steering mechanism, etc., can solve the problems of energy waste, unfavorable energy saving and environmental protection, and achieve the effect of reducing energy consumption
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[0010] Implement an implementation of the control method, such as figure 1 As shown, the electromagnetic clutch (8) is formed by sequentially connecting a resistor (3), a triode (4), a high-power VMOS tube (9), a resistor (5) and a diode (7) connected to the two ends of the electromagnetic clutch (8) to form a loop. ) drive circuit.
[0011] During work, the PWM wave A is generated by the single-chip microcomputer (1), and the triode (4) is controlled by the resistor (3), where the resistor (3) plays the role of current limiting protection of the single-chip microcomputer (1) and the triode (4); ) The voltage signal output by the collector drives the high-power VMOS tube (9) to drive the electromagnetic clutch (8) to work, where the triode (4) plays the role of level conversion and reverses the level; in the circuit, the resistor (5) Generate sufficient control voltage as a pull-up resistor to make the high-power VMOS tube (9) work in a fully conductive state when it is turne...
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