To provide a new technology capable of detecting idling or sliding, under batch control by vector control of three or more motors.SOLUTION: Under batch control by vector control of each motor 30 in n-axes (n≥3) connected in parallel with a power feeding line, in differences between an inflow current (each-axis drive value) into a motor 30 corresponding to each of n-axes and a given reference value, a total of differences where each-axis drive value is above the reference value, or a total of differences where each-axis drive value is below the reference value is calculated, and it is detected, based on the calculated total, that idling or sliding occurs in some of n-axes.SELECTED DRAWING: Figure 1
【課題】3台以上の電動機のベクトル制御による一括制御下において空転或いは滑走を検出するための新たな技術を提供すること。【解決手段】給電ラインに並列接続されたn軸(n≧3)それぞれの電動機30のベクトル制御による一括制御下において、n軸それぞれに対応する電動機30への流入電流(軸毎駆動値)と所与の基準値との差のうち、軸毎駆動値が基準値を上回った差の合計、或いは、軸毎駆動値が基準値を下回った差の合計を算出し、算出した合計に基づいて、n軸の何れかに空転或いは滑走が発生したことを検出する。【選択図】図1
MOTOR CONTROL DEVICE AND DETECTION METHOD OF IDLING OR SLIDING
電動機制御装置、および、空転或いは滑走の検出方法
2021-09-27
Patent
Electronic Resource
Japanese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern |
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