会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Control device for a multispeed motor
    • 多速电机的控制装置
    • US4386302A
    • 1983-05-31
    • US203515
    • 1980-11-03
    • Teruo Iwasawa
    • Teruo Iwasawa
    • H02P29/00G11B15/46G11B15/54H02P23/00H02P7/06
    • G11B15/54H02P23/16Y10S388/915
    • A control device for multispeed motor having a first circuit for providing a detection signal whose period corresponds to a rotation speed of the motor, a trigger pulse generator connected to the first circuit for generating a trigger pulse corresponding to the detection signal, and a second circuit connected between the trigger pulse generator and the motor for providing a drive signal in accordance with the trigger pulse. The motor, first circuit, trigger pulse generator and second circuit form a closed negative feedback loop. The trigger pulse generator is characterized by a first trigger pulse generator for generating a first trigger pulse whose period corresponds to the period of the detection signal when the motor rotates with a first speed, a second trigger pulse generator for generating a second trigger pulse whose period corresponds to half the period of the first trigger pulse when the motor rotates with the first speed; and a selector connected to the first and second trigger pulse generators for selecting either said first or second trigger pulse and providing the selected trigger pulse as the trigger pulse.
    • 一种用于多速电动机的控制装置,具有第一电路,用于提供其周期对应于电动机的转速的检测信号;连接到第一电路的触发脉冲发生器,用于产生对应于检测信号的触发脉冲;以及第二电路 连接在触发脉冲发生器和电动机之间,以根据触发脉冲提供驱动信号。 电动机,第一回路,触发脉冲发生器和第二回路形成闭合的负反馈回路。 触发脉冲发生器的特征在于第一触发脉冲发生器,用于产生第一触发脉冲,其周期对应于电机以第一速度旋转时的检测信号的周期;第二触发脉冲发生器,用于产生第二触发脉冲,其周期 对应于当电动机以第一速度旋转时第一触发脉冲的周期的一半; 以及连接到第一和第二触发脉冲发生器的选择器,用于选择所述第一或第二触发脉冲并提供所选择的触发脉冲作为触发脉冲。
    • 3. 发明授权
    • Motor control apparatus
    • 电机控制装置
    • US4396876A
    • 1983-08-02
    • US251728
    • 1981-04-07
    • Hitomi TojikiTeruo Iwasawa
    • Hitomi TojikiTeruo Iwasawa
    • H02P3/12H02P7/06H02P29/00
    • H02P3/12H02P29/0022
    • A motor control apparatus which includes a pulse generator for providing a first signal for specifying the operational condition of a motor, and a motor driver for providing a second signal for driving the motor when the first signal is at a first level and providing a second signal when the first signal is at a second level. The motor control apparatus further includes a comparator, which compares the back electromotive force of the motor with a reference level when the first signal is at the second level and providing a third signal when the back electromotive force is within a given level range prescribed by the reference level. A switch circuit closes a circuit path through which a back electromotive force current produced by the back electromotive force flows when the second and third signals are provided, thereby applying electromagnetic braking with respect to the rotation of the motor.
    • 一种电动机控制装置,包括用于提供用于指定电动机的操作状态的第一信号的脉冲发生器,以及当第一信号处于第一电平时提供用于驱动电动机的第二信号的电动机驱动器,并且提供第二信号 当第一信号处于第二级时。 电动机控制装置还包括比较器,当比较电动机的反电动势与第一信号处于第二电平时的参考电平相比较,并且当反电动势在规定的给定电平范围内时提供第三信号 参考级别。 当提供第二和第三信号时,开关电路关闭由反电动势产生的反电动势电流通过的电路,从而相对于电动机的旋转施加电磁制动。
    • 5. 发明授权
    • Motor apparatus
    • 电机装置
    • US4510423A
    • 1985-04-09
    • US402726
    • 1982-07-28
    • Teruo Iwasawa
    • Teruo Iwasawa
    • H02P7/06H02P7/288G05B5/00
    • H02P7/2885Y10S388/906Y10S388/908Y10S388/91
    • A motor apparatus includes a motor, a first circuit for sensing a back electromotive force of the motor to provide a first signal, a second circuit for sensing a rotation speed of the motor to provide a second signal, a third circuit responsive to the first and second signals to provide a third signal corresponding to the first and second signals, and a fourth circuit for feeding to the motor a drive current with a magnitude corresponding to the third signal.The motor and the first to fourth circuits jointly form a negative feedback loop for setting up a proportional relationship of the second signal to the product of rotation speed and output torque of the motor. The second circuit changes the second signal proportionally to the rotation speed of the motor.
    • 电动机装置包括电动机,用于感测电动机的反电动势以提供第一信号的第一电路,用于感测电动机的转速以提供第二信号的第二电路,响应于第一和第二信号的第三电路 第二信号以提供对应于第一和第二信号的第三信号;以及第四电路,用于向电动机馈送具有对应于第三信号的幅度的驱动电流。 电动机和第一至第四回路共同形成负反馈回路,用于建立第二信号与电动机的转速和转矩的乘积的比例关系。 第二个电路使第二个信号与电动机的转速成比例地变化。
    • 7. 发明授权
    • Motor control apparatus
    • 电机控制装置
    • US4355268A
    • 1982-10-19
    • US220364
    • 1980-12-29
    • Teruo IwasawaHitomi Tojiki
    • Teruo IwasawaHitomi Tojiki
    • H02P7/28H02P7/288H02P23/00H02P5/16
    • H02P7/2885H02P23/186H02P7/2805Y10S388/90Y10S388/902
    • Disclosed is a motor control apparatus which includes a pulse generator for producing a first signal as a pulse signal having a period corresponding to the rotational speed of a motor, a timer for producing a second signal inverted to a first level in response to the first signal and subsequently inverted to a second level after the lapse of a predetermined period of time, a phase compensator for producing a third signal obtained through a phase advance type phase compensation for the second signal, a voltage/current converter for supplying and receiving a first current signal and a second current signal in accordance with the level of the third signal, an integrator for producing an output signal obtained through the integration of the first and second current signals, and a buffer for driving the motor in accordance with the level of the output signal.
    • 公开了一种电动机控制装置,其包括用于产生第一信号的脉冲发生器,作为具有对应于电动机的转速的周期的脉冲信号,用于响应于第一信号产生反转到第一电平的第二信号的定时器 后经过预定时间后反转成第二电平;相位补偿器,用于产生通过第二信号的相位超前型相位补偿获得的第三信号;电压/电流转换器,用于提供和接收第一电流 信号和第二电流信号,用于产生通过积分第一和第二电流信号而获得的输出信号的积分器和用于根据输出电平驱动电动机的缓冲器 信号。