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    • 1. 发明授权
    • Motor control apparatus
    • 电机控制装置
    • US07312595B2
    • 2007-12-25
    • US10448409
    • 2003-05-30
    • Shigeru KamioKenichi Fujiki
    • Shigeru KamioKenichi Fujiki
    • H02P1/46
    • G05B19/4062G05B2219/42287G05B2219/42322H02P6/12
    • Presence/absence of a failure in a feedback control system of a motor is monitored. When a failure is detected in the feedback control system, the motor is driven by switching to an open-loop control. During the open-loop control, the motor is rotated by sequentially switching the motor current supply phase without feeding back encoder count information. The position count is incremented or decremented every time the current supply phase is switched. When the position count has reached a target count, it is determined that the rotor has reached a target position, whereupon the open-loop control is finished.
    • 监测电动机的反馈控制系统中是否存在故障。 当在反馈控制系统中检测到故障时,通过切换到开环控制来驱动电动机。 在开环控制期间,通过依次切换电动机电流供给相而不反馈编码器计数信息来旋转电动机。 每当切换电源时,位置计数递增或递减。 当位置计数达到目标计数时,确定转子已达到目标位置,于是开环控制结束。
    • 5. 发明申请
    • Multiple motor position control
    • 多电机位置控制
    • US20050065622A1
    • 2005-03-24
    • US10915119
    • 2004-08-10
    • Clarence Lewis
    • Clarence Lewis
    • G05B19/18G05B19/19
    • G05B19/19G05B2219/42287
    • A system and method for storing and controlling the position of an adjustable position motor for later recall and use. The system includes a mechanism for causing an adjustable position motor to be adjusted to least a first preset position. Subsequently, the system electronically determines the first preset position by setting a first counter value while the motor is in the first preset position and subsequently causes the motor to move to a zero or null position wherein a second counter value is established. By subtracting or comparing the first counter value with the second counter value, a positional value for the motor in the first preset position can be established. The positional value is stored, for later recall, and associated with a label such as a job name or number. The system also includes a mechanism by which the motor position information may be recalled, using the associated label. Using the positional value established by comparing the first and second counters, the motor may be brought back to that initial preset position by first starting in the zero or null position and moving the motor as indicated by the positional value.
    • 一种用于存储和控制可调节位置电机的位置以供稍后调用和使用的系统和方法。 该系统包括用于使可调节位置电动机被调节到至少第一预设位置的机构。 随后,该系统通过在电动机处于第一预设位置时设定第一计数器值而电子地确定第一预设位置,并且随后使电动机移动到建立第二计数器值的零位置或零位置。 通过减去或比较第一计数器值与第二计数器值,可以建立第一预设位置中的电动机的位置值。 存储位置值,以供以后调用,并与诸如作业名称或编号的标签相关联。 该系统还包括使用相关联的标签可以调用电动机位置信息的机构。 使用通过比较第一和第二计数器建立的位置值,可以通过首先从零或零位置开始并且如位置值所指示的移动马达,使马达回到初始预置位置。