Driving apparatus and stop position detection method
    1.
    发明授权
    Driving apparatus and stop position detection method 有权
    驱动装置和停止位置检测方法

    公开(公告)号:US09093931B2

    公开(公告)日:2015-07-28

    申请号:US13486610

    申请日:2012-06-01

    摘要: A driving apparatus including an inverter unit for energizing the coil by switching ON and OFF of the switching element, an energization pattern determination unit for selecting a plurality of energization patterns, each of which indicates a direction of a current that flows through the coil, one by one when driving of a motor is started, and energizing the coil by switching ON and OFF of the switching element based on a selected energization pattern at a duty ratio corresponding to a value of a maximum current capable of being supplied by the power supply apparatus, a current applied time measurement unit for measuring an energization time, which is a time until a value of the current flowing through the coil reaches a predetermined target current value for each energization pattern, and a rotor stop position estimation unit for estimating a position at which the rotor stops.

    摘要翻译: 一种驱动装置,包括:通过切换开关元件的导通和截止来激励线圈的逆变器单元;通电图案确定单元,用于选择多个通电图案,每个通电图案表示流经线圈的电流的方向, 通过开始驱动电动机,并且通过基于所选择的通电模式,以对应于能够由电源装置提供的最大电流的值的占空比来切换开关元件的通电和断开来激励线圈 ,用于测量通电时间的电流施加时间测量单元,该通电时间是直到流过线圈的电流值达到每个通电模式的预定目标电流值的时间;以及转子停止位置估计单元,用于估计位于 转子停止。

    DRIVING APPARATUS AND STOP POSITION DETECTION METHOD
    2.
    发明申请
    DRIVING APPARATUS AND STOP POSITION DETECTION METHOD 有权
    驱动装置和停止位置检测方法

    公开(公告)号:US20130043817A1

    公开(公告)日:2013-02-21

    申请号:US13486610

    申请日:2012-06-01

    IPC分类号: H02P6/16

    摘要: A driving apparatus including an inverter unit for energizing the coil by switching ON and OFF of the switching element, an energization pattern determination unit for selecting a plurality of energization patterns, each of which indicates a direction of a current that flows through the coil, one by one when driving of a motor is started, and energizing the coil by switching ON and OFF of the switching element based on a selected energization pattern at a duty ratio corresponding to a value of a maximum current capable of being supplied by the power supply apparatus, a current applied time measurement unit for measuring an energization time, which is a time until a value of the current flowing through the coil reaches a predetermined target current value for each energization pattern, and a rotor stop position estimation unit for estimating a position at which the rotor stops.

    摘要翻译: 一种驱动装置,包括:通过切换开关元件的导通和截止来激励线圈的逆变器单元;通电图案确定单元,用于选择多个通电图案,每个通电图案表示流经线圈的电流的方向, 通过开始驱动电动机,并且通过基于所选择的通电模式,以对应于能够由电源装置提供的最大电流的值的占空比来切换开关元件的通电和断开来激励线圈 ,用于测量通电时间的电流施加时间测量单元,该通电时间是直到流过线圈的电流值达到每个通电模式的预定目标电流值的时间;以及转子停止位置估计单元,用于估计位于 转子停止。