DRIVE CONTROLLER FOR VEHICLE MOTOR DRIVE DEVICE
PURPOSE:To perform positioning in a simple structure by representing the instructing contents of a motor drive mechanism in a time series switching pattern of a switch, reading them out by a microcomputer, and identifying the present position by a rotary encoder and controlling it. CONSTITUTION:A pl...
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Sprache: | eng |
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Zusammenfassung: | PURPOSE:To perform positioning in a simple structure by representing the instructing contents of a motor drive mechanism in a time series switching pattern of a switch, reading them out by a microcomputer, and identifying the present position by a rotary encoder and controlling it. CONSTITUTION:A plurality of window instructing key switches 11-20 for a vehicle are connected to the input ports R0-R5 of a microcomputer 9, window drive motors M are connected to the output ports Q0-Q7, a rotary encoder made of a magnet 7 and a Hall element 6 is connected to the input ports K0- K3, and motor drive current detection value is connected to A/D convertion input terminal R12. A program for controlling the window via the time series switching pattern of the switch 10 is loaded in the microcomputer 9, read out, the present position of the movable unit is identified by the variation in the level of the signal from the encoder, compared with the motor load, and controlled. Therefore, the number of the switch means is reduced to control to safely position it. |
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