KR880001093A - Motor phase control device - Google Patents

Abstract

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Description

Motor phase control device

As this is a public information case, the full text was not included.

2 is a block diagram showing a completed example of an embodiment of the present invention

Claims (10)

A rotation detector for generating a speed signal and a phase signal representing the rotational state of the motor, a speed comparison circuit for generating a speed difference signal between the speed signal and the speed target value in the rotation detector, and generating a phase reference signal Outputting a phase difference signal between a phase signal generating circuit for reset and a phase difference signal between the phase signal in the rotation detector and the phase reference signal in the phase signal generating circuit, and according to the speed difference signal in the speed comparing circuit. A phase comparison circuit for outputting a reset signal to the synthesizer, a synthesis circuit for synthesizing the speed difference signal in the speed comparison circuit and the phase difference signal in the phase comparison circuit, and a motor for driving the motor in accordance with the output of the synthesis circuit. Phase control apparatus of the motor, characterized in that the drive circuit. A rotation detector for generating a speed signal and a phase signal representing the rotational state of the motor, a speed comparison circuit for generating a speed difference signal between the speed signal and the speed target value in the rotation detector, and generating a phase reference signal And a phase difference output circuit for outputting a phase difference signal between the phase signal in the rotation detector and the phase reference signal in the phase signal generator circuit, and the speed difference signal in the speed comparison path. A reset signal output circuit for outputting a reset signal to the phase signal generating circuit, a synthesis circuit for synthesizing the phase difference signal in the speed difference circuit and the phase difference signal in the phase difference output circuit, and the output of the synthesis circuit. A phase control apparatus for a motor, comprising a motor driving circuit for driving the motor. The timing comparison circuit of claim 2, wherein the speed comparison circuit comprises: a first timing generating circuit for generating a timing signal from the speed signal, a first time generating circuit for generating time in a constant cycle, and a timing signal in the first timing generating circuit; A first counter circuit which starts to count the time in the first time generation circuit in response to the timing signal, and a first latch circuit which latches the count value of the first counter circuit in response to the timing signal in the first timing generation circuit, The phase difference output circuit includes a second timing generating circuit for generating a timing signal from a phase signal and a phase reference signal, a second time generating circuit for generating time in a constant cycle, and a timing signal from the second timing generating circuit. A second counter circuit that starts to count the time in the second time generation circuit in response; and a second counter circuit in response to the timing signal from the second timing generation circuit. A phase control apparatus of the Motor according to claim consisting of the second latch circuit for latching a count value. The oscillation circuit according to claim 2, wherein the phase signal generation circuit is reset by an oscillation circuit oscillating at a predetermined frequency and reset by a reset signal, and can reset the output of the oscillation circuit so as to obtain a phase reference signal. A phase control apparatus for a motor, comprising a frequency division circuit. 3. The reset signal output circuit according to claim 2, wherein the reset signal output circuit includes a limit circuit for detecting whether or not the second difference signal in the speed comparison circuit is within a prescribed range, and the speed difference signal in the speed comparison circuit includes a phase signal generation circuit. In response to the detection by the limiting circuit which sets the phase reference signal to the phase signal of the motor and the phase reference signal to the phase signal of the motor so that the phase input is instantaneously completed due to being within the prescribed range for outputting the reset signal. Motor phase control device, characterized in that consisting of a pulse generating circuit. 3. The reset signal output circuit according to claim 2, wherein the reset signal output circuit includes a first limiting circuit for detecting whether or not the speed difference signal in the speed comparison circuit is within a first prescribed range, and a phase difference signal in the phase difference output circuit is second. A second limiting circuit for detecting whether it is within a specified range, a first limiting circuit in which the speed difference signal is within a first prescribed range, and a reset signal is output to the phase signal generating circuit so that the phase difference signal resets the phase reference signal; A phase control apparatus for a motor, comprising: a pulse generating circuit in response to detection by a second limiting circuit outside the second prescribed range. Rotation detector for outputting pulse signal with cycle proportional to motor rotation cycle, Velocity comparator for outputting difference signal between pulse signal and target value in rotation detector, Oscillation for oscillation at clear frequency Circuit, an initial value oscillation circuit for oscillating an initial value, a counter circuit for oscillating an initial value in an initial value oscillation circuit, and counting the output of the oscillation circuit, and a phase signal speed comparison circuit in a speed detector. Outputting a difference signal to the counter circuit according to the difference signal, a phase comparison circuit for latching the count value of the counter circuit, a synthesis circuit for synthesizing the output of the difference signal and the latch circuit in the speed comparison circuit, and Motor phase control device comprising a motor driving circuit for driving the motor in accordance with the output. 8. The speed comparator according to claim 7, wherein the speed comparator is in response to a timing generating circuit for generating a timing signal from a pulse signal of the rotation detector, a time generating circuit for generating time in a constant cycle, and a timing signal from the timing generating circuit. A phase control apparatus for a motor, comprising: a counter circuit for counting time from a time generating circuit, and a latch circuit for latching a count value of the count circuit in response to a timing signal from the timing generating circuit. 8. The phase comparator according to claim 7, wherein the phase comparator is a limiting circuit for detecting whether or not the difference signal in the speed comparator is within a prescribed range, a timing generating circuit for generating a timing signal from a pulse signal in the rotation detector, It is composed of a reset signal generation circuit for generating a reset signal according to the detection by the limit circuit and a timing signal from the timing generation circuit, and outputting the reset signal to the counter circuit only when phase control is ineffective. Motor phase control device. A rotation detector for generating a speed signal and a phase signal indicating the rotational state of the motor, a speed comparator for generating a speed difference signal between the speed signal and the speed target value, and a reset for generating a phase reference signal. A phase comparison circuit for generating a phase signal generation circuit, a phase difference signal between the phase signal and the phase reference signal, and outputting a reset signal to the phase signal generation circuit according to the speed difference signal in the speed comparison circuit; Detecting a change in output value of the addition circuit in response to the timing difference signal in the circuit, the addition circuit for adding the phase difference signal in the phase comparison path, the timing generation circuit for generating the timing signal, and the timing signal in the timing generation circuit. A data checking circuit for generating an additional signal and inverting an input signal A logic reversing circuit corresponding to the timing signal in the generation circuit and a timing signal in the timing generating circuit are counted, and an output value of the addition circuit in response to the load signal from the logic reversing circuit in which the output signal of the synchronous counter circuit is input as an input signal. A phase control device comprising: a synchronous counter circuit for adding a circuit, a low reverse filter circuit for smoothing an output signal of a logic reversing circuit, and a motor driving circuit for driving a motor in accordance with an output signal of a logic reversing circuit; . ※ Note: The disclosure is based on the initial application.