To secure controllability of a power window by accurately distinguishing whether or not an electrical noise is mixed in a motor power supply.SOLUTION: A control device 1 of a power window 20 in which a window glass 24 moves up and down according to a switch operation comprises: a generation part 6A which creates a time-series waveform data of an electrical current that flows in a DC motor 21 when the window glass 24 is moved up and down, and creates a waveform data in frequency units by performing frequency analysis of this time-series waveform data; a determination part 6B for determining, in the waveform data in frequency units, a number of peak values existing within two large and small frequency threshold values between which a register frequency of a ripple generated in the electrical current is interposed; an estimation part 6C for estimating a ripple frequency based on the waveform data in frequency units when it is determined that one peak value exists; and a prohibition part 6E for prohibiting an automatic moving-up action as well as cancelling estimation by the estimation part 6C when it is determined that a plurality of peak values exist.SELECTED DRAWING: Figure 1

    【課題】モータ電源に電気的ノイズが混在しているか否かを精度よく判別し、パワーウィンドウの制御性を確保する。【解決手段】スイッチ操作に応じて窓ガラス24が上下移動するパワーウィンドウ20の制御装置1は、窓ガラス24を上下移動させるときに直流モータ21に流れる電流の時系列波形データを作成し、この時系列波形データを周波数解析した周波数単位の波形データを作成する生成部6Aと、周波数単位の波形データのなかで、電流に発生するリプルの見当周波数を挟む大小二つの周波数閾値内に存在するピーク値の個数を判定する判定部6Bと、ピーク値が一つ存在すると判定された場合に周波数単位の波形データに基づいてリプル周波数を推定する推定部6Cと、ピーク値が複数存在すると判定された場合に推定部6Cによる推定を中止するとともにオートアップ動作を禁止する禁止部6Eと、を備えている。【選択図】図1


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    Titel :

    CONTROL DEVICE OF POWER WINDOW


    Weitere Titelangaben:

    パワーウィンドウの制御装置


    Beteiligte:

    Erscheinungsdatum :

    03.10.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION , Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung / 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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