PROBLEM TO BE SOLVED: To provide an active vibration control method and device of a hybrid vehicle capable of controlling an abnormal vibration component by a frequency spectrum analysis using FFT (Fast Fourier Transform).SOLUTION: An active vibration control method and device of a hybrid vehicle include a stage for selecting a reference angle signal based on position information on a motor or an engine, a stage for selecting a period of fast Fourier transform (FFT), and performing FFT conversion of a control signal corresponding to the period from the reference angle signal, a stage for setting a reference spectrum according to an engine speed and load, a stage for comparing the signal subjected to the FFT conversion with the reference spectrum and extracting a vibration component to be removed, a stage for aggregating the vibration component to be removed by frequency and performing reverse FFT, a stage for determining an amplitude ratio according to the engine speed and load, and a stage for executing active vibration control by frequency based on the amplitude ratio and engine torque.SELECTED DRAWING: Figure 2

    【課題】 FFT(Fast Fourier Transform)を利用した周波数スペクトル分析により異常振動成分を制御できるハイブリッド車両の能動振動制御方法および装置を提供する。【解決手段】 本発明のハイブリッド車両の能動振動制御方法は、モータまたはエンジンの位置情報に基づいて基準角信号を選定する段階と、高速フーリエ変換(FFT)の周期を設定し、前記基準角信号から前記周期に相当する制御信号をFFT変換する段階と、エンジン速度および負荷に応じた基準スペクトルを設定する段階と、FFT変換された信号と前記基準スペクトルとを比較して除去対象振動成分を抽出する段階と、前記除去対象振動成分を周波数別に合算し、逆FFTを行う段階と、エンジン速度および負荷に応じた振幅比を決定する段階と、前記振幅比とエンジントルクに基づいて各周波数別の能動振動制御を行う段階とを含むことを特徴とする。【選択図】 図2


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    Title :

    ACTIVE VIBRATION CONTROL METHOD AND DEVICE OF HYBRID VEHICLE


    Additional title:

    ハイブリッド車両の能動振動制御方法および装置


    Contributors:

    Publication date :

    2017-06-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES , Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen



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