Signal amplitude adjustment to improve resolver-to-digital converter performance
    1.
    发明授权
    Signal amplitude adjustment to improve resolver-to-digital converter performance 有权
    信号幅度调整,以提高分解器到数字转换器的性能

    公开(公告)号:US08274414B2

    公开(公告)日:2012-09-25

    申请号:US12635213

    申请日:2009-12-10

    IPC分类号: H03M1/48

    CPC分类号: G01B7/30

    摘要: An interface system between an RDC and a connected resolver dynamically matches an input range of the RDC to the output range of the resolver's output signals. The interface system may include methods and/or apparatuses to determine the amplitude of sinusoidal input signals presented to the RDC by the resolver and to compare the amplitude against high and low threshold values. A gain control signal may be generated, which may be corrected if the detected amplitude either exceeds the high threshold or falls below the low threshold. The gain control signal may be output to a circuit in the RDC or in the resolver that corrects any mismatch that occurs between the RDC input and the resolver output. For example, the gain control signal may control the amplitude of an excitation signal applied to a primary of the resolver or the gain control signal may be applied to an analog to digital converter at the input of the RDC to control its effective input range.

    摘要翻译: RDC和连接的解析器之间的接口系统动态地将RDC的输入范围与解算器的输出信号的输出范围进行匹配。 接口系统可以包括用于确定由解算器呈现给RDC的正弦输入信号的幅度并且将幅度与高和低阈值进行比较的方法和/或装置。 可以生成增益控制信号,如果检测到的幅度超过高阈值或低于低阈值,则可以校正增益控制信号。 增益控制信号可以被输出到RDC或解析器中的电路,该解算器校正RDC输入和解析器输出之间出现的任何失配。 例如,增益控制信号可以控制施加到旋转变压器的初级的激励信号的幅度,或者增益控制信号可以在RDC的输入端施加到模数转换器,以控制其有效输入范围。

    SIGNAL AMPLITUDE ADJUSTMENT TO IMPROVE RESOLVER-TO-DIGITAL CONVERTER PERFORMANCE
    2.
    发明申请
    SIGNAL AMPLITUDE ADJUSTMENT TO IMPROVE RESOLVER-TO-DIGITAL CONVERTER PERFORMANCE 有权
    信号幅度调整提高分辨率到数字转换器的性能

    公开(公告)号:US20110140689A1

    公开(公告)日:2011-06-16

    申请号:US12635213

    申请日:2009-12-10

    IPC分类号: G01B7/30

    CPC分类号: G01B7/30

    摘要: An interface system between an RDC and a connected resolver dynamically matches an input range of the RDC to the output range of the resolver's output signals. The interface system may include methods and/or apparatuses to determine the amplitude of sinusoidal input signals presented to the RDC by the resolver and to compare the amplitude against high and low threshold values. A gain control signal may be generated, which may be corrected if the detected amplitude either exceeds the high threshold or falls below the low threshold. The gain control signal may be output to a circuit in the RDC or in the resolver that corrects any mismatch that occurs between the RDC input and the resolver output. For example, the gain control signal may control the amplitude of an excitation signal applied to a primary of the resolver or the gain control signal may be applied to an analog to digital converter at the input of the RDC to control its effective input range.

    摘要翻译: RDC和连接的解析器之间的接口系统动态地将RDC的输入范围与解算器的输出信号的输出范围进行匹配。 接口系统可以包括用于确定由解算器呈现给RDC的正弦输入信号的幅度并且将幅度与高和低阈值进行比较的方法和/或装置。 可以生成增益控制信号,如果检测到的幅度超过高阈值或低于低阈值,则可以校正增益控制信号。 增益控制信号可以被输出到RDC或解析器中的电路,该解算器校正RDC输入和解析器输出之间出现的任何失配。 例如,增益控制信号可以控制施加到旋转变压器的初级的激励信号的幅度,或者增益控制信号可以在RDC的输入处施加到模数转换器,以控制其有效输入范围。