MOTOR CONTROL DEVICE, ELECTRIC POWER STEERING DEVICE PROVIDED WITH SAME, AND VEHICLE
[Problem] An object of the present invention is to provide a highly reliable motor control unit which can securely prevent the power supply reset of a control section even when the power supply (battery) voltage decreases. [Means for solving the problem] The present invention is the motor control un...
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| creator | FUKINUKI Shigeru URYU Kyosho |
| description | [Problem] An object of the present invention is to provide a highly reliable motor control unit which can securely prevent the power supply reset of a control section even when the power supply (battery) voltage decreases. [Means for solving the problem] The present invention is the motor control unit which drives a motor through an inverter based on a calculated command value of a control section to which a power supply voltage is supplied, comprising: a charging/discharging mechanism for charging and discharging electric charges of an inverter voltage supplied to the inverter; and a separation means for separating the charging/discharging mechanism from the power supply voltage, wherein when a warning signal informing of a drop in the power supply voltage is inputted, the charging/discharging mechanism is separated from the power supply voltage by the separation means as well as a voltage is applied to the control section from the charging/discharging mechanism to avoid power supply reset of the control section. The motor may be a motor with multi-system windings. |
| format | Patent |
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[Means for solving the problem] The present invention is the motor control unit which drives a motor through an inverter based on a calculated command value of a control section to which a power supply voltage is supplied, comprising: a charging/discharging mechanism for charging and discharging electric charges of an inverter voltage supplied to the inverter; and a separation means for separating the charging/discharging mechanism from the power supply voltage, wherein when a warning signal informing of a drop in the power supply voltage is inputted, the charging/discharging mechanism is separated from the power supply voltage by the separation means as well as a voltage is applied to the control section from the charging/discharging mechanism to avoid power supply reset of the control section. 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[Means for solving the problem] The present invention is the motor control unit which drives a motor through an inverter based on a calculated command value of a control section to which a power supply voltage is supplied, comprising: a charging/discharging mechanism for charging and discharging electric charges of an inverter voltage supplied to the inverter; and a separation means for separating the charging/discharging mechanism from the power supply voltage, wherein when a warning signal informing of a drop in the power supply voltage is inputted, the charging/discharging mechanism is separated from the power supply voltage by the separation means as well as a voltage is applied to the control section from the charging/discharging mechanism to avoid power supply reset of the control section. 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[Means for solving the problem] The present invention is the motor control unit which drives a motor through an inverter based on a calculated command value of a control section to which a power supply voltage is supplied, comprising: a charging/discharging mechanism for charging and discharging electric charges of an inverter voltage supplied to the inverter; and a separation means for separating the charging/discharging mechanism from the power supply voltage, wherein when a warning signal informing of a drop in the power supply voltage is inputted, the charging/discharging mechanism is separated from the power supply voltage by the separation means as well as a voltage is applied to the control section from the charging/discharging mechanism to avoid power supply reset of the control section. The motor may be a motor with multi-system windings.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR |
| title | MOTOR CONTROL DEVICE, ELECTRIC POWER STEERING DEVICE PROVIDED WITH SAME, AND VEHICLE |
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