Drive control
First Claim
1. A drive control device for controlling an electric rotational actuator which moves a driver, comprising:
- a reference comparison signal generation circuit for generating a reference comparison signal;
a detection circuit for detecting the speed of said actuator and outputting this as a speed detection signal;
a speed designation circuit of said actuator for generating a designated speed value;
a speed comparison circuit for comparing the speed detection signal with the designated speed value and generating a designated speed signal;
a rotation control circuit of said actuator; and
a phase comparison circuit for comparing the phase of said reference comparison signal and the phase of said designated speed signal and outputting the comparison result to said rotation control circuit as a phase difference signal;
wherein said rotation control circuit controls the speed of said actuator to conform with said designated speed value based on said phase difference signal, and wherein said reference comparison signal generation circuit divides the fundamental frequency and outputs a division ratio as the reference comparison signal, and the output of said rotation control circuit is altered in accordance with the phase comparison result.
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Accused Products
Abstract
The present invention is a drive control device for controlling an electric rotational actuator which moves the driver, including: a reference comparison signal generation circuit; a detection circuit for detecting the speed of the actuator and outputting this as a detection signal; a speed designation circuit of the actuator; a rotation control circuit of the actuator; and a phase comparison circuit for comparing the phase of the reference comparison signal and the phase of the detection signal and outputting the comparison result to the rotation control circuit; wherein the rotation control circuit controls the speed of the actuator to conform with the speed designation based on the phase comparison result.
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Citations
28 Claims
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1. A drive control device for controlling an electric rotational actuator which moves a driver, comprising:
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a reference comparison signal generation circuit for generating a reference comparison signal;
a detection circuit for detecting the speed of said actuator and outputting this as a speed detection signal;
a speed designation circuit of said actuator for generating a designated speed value;
a speed comparison circuit for comparing the speed detection signal with the designated speed value and generating a designated speed signal;
a rotation control circuit of said actuator; and
a phase comparison circuit for comparing the phase of said reference comparison signal and the phase of said designated speed signal and outputting the comparison result to said rotation control circuit as a phase difference signal;
wherein said rotation control circuit controls the speed of said actuator to conform with said designated speed value based on said phase difference signal, and wherein said reference comparison signal generation circuit divides the fundamental frequency and outputs a division ratio as the reference comparison signal, and the output of said rotation control circuit is altered in accordance with the phase comparison result. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A drive control method for controlling an electric rotational actuator which moves a driver, comprising:
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a reference comparison signal generation step generating a reference comparison signal;
a detection step for detecting the speed of said actuator and outputting this as a speed detection signal;
a speed designation step of said actuator setting a designated speed value;
a speed comparison step of said actuator comparing the speed detection signal with the designated speed value and generating a speed detection signal a rotation control step of said actuator for controlling the speed of the actuator; and
a phase comparison step for comparing the phase of said reference comparison signal and the phase of said detection signal and outputting the phase comparison result to a rotation control circuit;
wherein said rotation control step, utilizing the rotation control circuit, controls the speed of said actuator to conform with said designated speed value based on said phase comparison result, and wherein a reference comparison signal generation circuit divides the fundamental frequency and outputs a division ratio as the reference comparison signal, and the output of said rotation control circuit is altered in accordance with the phase comparison result.
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26. A drive control device of a driver which includes a PLL control block and which supplies a designated speed signal and a reference comparison signal of the driver to a phase comparison unit and employs a phase difference signal from the phase comparison unit as a control signal of said driver;
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wherein said designated speed signal is supplied to the PLL control block by a speed comparison circuit for comparing a speed detection signal with a designated speed value and generating the designated speed signal, wherein a reference comparison signal generation circuit divides the fundamental frequency and outputs a division ratio as the reference comparison signal, and wherein a rotation control circuit, altered in accordance with the phase difference signal, provides the control signal to said driver.
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27. A drive control device for an electric powered vehicle including an electric motor controlled by a driver comprising:
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a rotation control circuit for rotationally controlling the driver;
a speed detection circuit of said driver; and
a speed designation circuit of said driver;
wherein said rotation control circuit comprises;
a drive control circuit for outputting to said driver an acceleration control signal for accelerating said driver; and
a braking control circuit for outputting a braking control signal for brake-controlling said driver; and
wherein the acceleration of said driver to a designated speed and the deceleration of said driver to the designated speed are respectively performed by switching the output of said acceleration control signal and the output of said braking control signal.
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28. A drive control device for an electric powered vehicle including an electric motor controlled by a driver comprising:
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a rotation control circuit for rotationally controlling the driver;
a speed detection circuit of said driver; and
a speed designation circuit of said driver;
wherein said rotation control circuit comprises;
a drive control circuit for outputting to said driver an acceleration control signal for accelerating said driver; and
a braking control circuit for outputting a braking control signal for brake-controlling said driver; and
wherein the acceleration of said driver to the designated speed and stabilization at the designated speed and the deceleration of said driver to the designated speed and stabilization at the designated speed are respectively performed by switching the output of said acceleration control signal and the output of said braking control signal.
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Specification