发明名称 |
Controlling apparatus of motor |
摘要 |
In a controlling apparatus of a motor, an address generating device generates digital address signals corresponding to a position of a rotor of the motor on the basis of the Z-phase, A-phase, and B-phase signals outputted from an encoder installed in the motor. A sine wave data for driving the motor is readout based on the digital address signal from a waveform memory device to drive the motor in accordance with the sine wave data by a PWM inverter. An abnormality detecting circuit detects agreement/disagreement of a timing level of an output signal of the waveform memory device which is binarized with using zero as a threshold and shifted a predetermined amount from a leading edge or trailing edge thereof and a level of the CS signal. A motor stopping device stops the motor in response to a disagreement detecting signal of the abnormality detecting circuit.
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申请公布号 |
US5444340(A) |
申请公布日期 |
1995.08.22 |
申请号 |
US19940307065 |
申请日期 |
1994.09.16 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
TAMAKI, SATOSHI;IKKAI, YASUFUMI;KONDO, YASUHIRO |
分类号 |
B60L3/00;B60L9/18;B60L11/18;H02H7/08;H02P6/12;H02P6/16;(IPC1-7):H02H7/08 |
主分类号 |
B60L3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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