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    • 6. 发明申请
    • Abnormal noise correction verification apparatus
    • 异常噪声校正装置
    • US20070185664A1
    • 2007-08-09
    • US11655065
    • 2007-01-19
    • Tsutomu TanakaJunichi KawanoToshiaki YoshidaJunichi Amakasu
    • Tsutomu TanakaJunichi KawanoToshiaki YoshidaJunichi Amakasu
    • G01L7/00G01M17/00
    • G01M17/007G01M13/028G01M13/045
    • An abnormal noise correction verification apparatus is provided that can easily verify the effectiveness a corrective action with respect to an abnormal noise being generated. The apparatus has at least one vibration sensor, which detect vibrations of the vehicle. The apparatus extracts a signal in a specific frequency band for the vibrations detected from the vibration sensor. The apparatus stores a pre-corrective action signal extracted from the vibration sensor, which is from before eliminating a cause of abnormal noise, and a post-corrective action signal extracted from the vibration sensor, which is from after eliminating the cause of abnormal noise. Both pre-corrective action signal and the post-corrective action signal were detected under identical travel conditions by the vibration sensor. The apparatus then synchronizes and separately outputs the pre-corrective action signal and the post-corrective action signal for comparison.
    • 提供了一种异常噪声校正验证装置,其可以容易地验证有效性,以产生关于异常噪声的校正动作。 该装置具有至少一个振动传感器,其检测车辆的振动。 该装置从振动传感器检测到的振动提取特定频带中的信号。 该装置存储从消除异常噪声原因之前的从振动传感器提取的预纠正动作信号,以及从消除异常噪声的原因之后的从振动传感器提取的后校正动作信号。 通过振动传感器在相同的行驶条件下检测预纠正动作信号和后修正动作信号。 该装置然后同步并分别输出预纠正动作信号和后置纠正动作信号进行比较。