WO2005071827A1 - モータ駆動制御回路及びそれを用いたモータ装置 - Google Patents
モータ駆動制御回路及びそれを用いたモータ装置 Download PDFInfo
- Publication number
- WO2005071827A1 WO2005071827A1 PCT/JP2005/001152 JP2005001152W WO2005071827A1 WO 2005071827 A1 WO2005071827 A1 WO 2005071827A1 JP 2005001152 W JP2005001152 W JP 2005001152W WO 2005071827 A1 WO2005071827 A1 WO 2005071827A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voltage
- motor
- output
- rotation
- control circuit
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 238000003786 synthesis reaction Methods 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 12
- 230000010355 oscillation Effects 0.000 description 10
- 230000005856 abnormality Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000002194 synthesizing effect Effects 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/29—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/10—Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/28—Arrangements for controlling current
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
Definitions
- the present invention relates to a motor drive control circuit of a PWM (Pulse Width Modulation) control method and a motor device using the same.
- PWM Pulse Width Modulation
- FIG. 4 shows a motor device using a conventional PWM control type motor drive control circuit.
- a motor device 101 shown in the figure includes a motor 102, a motor driver 107 for driving the motor 102, and a motor drive control circuit 106 for controlling a motor driver 107.
- the motor 102 includes a rotor 109, U-phase, V-phase, and W-phase coils L, L, and L for controlling the rotation of the rotor 109, and a hole for detecting the position (phase) of the rotor 109.
- the motor driver 107 has three power-side output transistors T, T, T and three ground-side output transistors.
- the motor drive control circuit 106 drives the motor 102
- a current detection resistor 112 for converting a current into a voltage; a peak hold circuit 114 for receiving the voltage to hold a peak voltage during an on-period of a PWM signal to be described later; a voltage limiting reference voltage for the peak voltage and a reference voltage power supply 123 And the signal input terminal SIG and the speed control voltage of the SIG, and are connected to the output of the speed control amplifier 113 and the speed control amplifier 113 for comparing the lower of the voltage limit reference voltage and the speed control voltage with the peak voltage.
- a capacitor 122 for preventing oscillation of about 0.01 ⁇ F and Hall signals of Hall elements ⁇ , ⁇ , and ⁇ are input.
- Hall amplifier 116 that outputs the amplified signal by inputting the output, and the synthesis circuit that inputs the output, advances each by a fixed phase (for example, 30 °), and amplifies and outputs the signal with the amplification degree corresponding to the output voltage of the rotation control amplifier 113.
- 117 a triangular wave generator 119 for generating and outputting a triangular wave, and the polarity discriminating signals U, V, W output from the synthesizing circuit 117 and the triangular wave as shown in FIG.
- PWM output comparator 118 that compares and outputs PWM signals U, V, W, and PW
- a motor driver control circuit 120 for outputting a control signal based on the M signal to the motor driver 107 is provided.
- the rotation counter 104 of the motor 102 inputs the detection output to a motor control command unit (not shown) including a CPU.
- the CPU outputs a command signal (rotation speed control voltage) corresponding to a desired motor rotation speed to a signal input terminal SIG of the motor drive control circuit 106. If the detection output of the rotation speed counter 104 becomes lower than the desired motor rotation speed, the CPU increases the rotation speed control voltage so that the rotation speed becomes the desired motor rotation speed. Then, the rotation control amplifier 113 increases the output voltage because the rotation speed control voltage becomes higher than the peak voltage. Accordingly, the combining circuit 117 increases the amplification degree and increases the polarity discrimination signals U, V,
- PWM signals U, V, and W are generated.
- a control signal based on the WM signal is output to the motor driver 107.
- the drive current flowing from the motor driver 107 to the U-phase, V-phase, and W-phase coils L, L, and L of the motor 102 increases.
- the rotation speed of the motor 102 increases. Then, the drive current is converted into a voltage by the current detection resistor 112, and the peak voltage is compared with the rotation speed control voltage of the signal input terminal SIG as described above. This loop operation is repeated, and as a result, when the peak voltage of the detection voltage matches the rotation speed control voltage, the operation is stabilized.
- abnormality when the motor 102 is overloaded (hereinafter referred to as "abnormality"), for example, when the motor 102 is used as a paper feed actuator of a copy machine and paper is jammed, Since the rotation speed detected by the rotation speed counter 104 decreases, the CPU increases the rotation speed control voltage according to the detected rotation speed in order to increase the rotation speed of the motor 102. However, since the rotation speed of the motor 102 does not increase, the rotation speed control voltage increases excessively. When the voltage exceeds the voltage limit reference voltage of the reference voltage power supply 123, the voltage limit reference voltage becomes lower, so that it is compared with the peak voltage. Thus, when the rotation speed control voltage rises excessively, the motor driver 107 causes the U-phase, V-phase, and W-phase coils L, u of the motor 102 to rotate.
- Patent Document 1 For example, Patent Document 1.
- Patent Document 1 JP 2003-111481 A
- FIG. 5 shows a voltage waveform at the time of abnormality detected by the current detection resistor 112.
- the voltage E in the figure is a voltage limit reference voltage of the reference voltage power supply 123, and a voltage lower than this voltage is a region where the elements constituting the motor driver 107 are not destroyed, that is, a safe operation region of the elements. Due to the delay of the output of the rotation control amplifier 113 described above, the amplitudes of the polarity discrimination signals U, V, and W input to the PWM output comparator 118 include an extra magnitude, and PW
- V, and W are output, and the motor driver 107 flows an extra drive current.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a motor drive control circuit capable of operating elements constituting a motor driver in a safer operation area. is there.
- a motor drive control circuit includes: A rotation control amplifier for inputting a voltage, a voltage limit reference voltage, and a rotation speed control voltage for controlling the rotation speed of the motor, and comparing a lower one of the voltage limit reference voltage and the rotation speed control voltage with a peak voltage; A rotation limiting comparator for inputting and comparing a voltage substantially equal to the limiting reference voltage and the peak voltage, a combining circuit for amplifying a rotation position detection signal of the motor according to an output voltage of the rotation control amplifier, and a combining circuit.
- a PWM output comparator that compares the output of the circuit with the triangular wave voltage of the triangular wave generator and outputs a PWM signal.
- a motor driver control circuit that controls a motor driver that drives the motor while eliminating the output period of the heater.
- the motor drive control circuit desirably includes a rotation control amplifier, a rotation limit comparator, a PWM output comparator, and a motor driver control circuit integrated on a semiconductor substrate.
- a motor device includes the above-described motor drive control circuit, a motor driver controlled by the motor drive control circuit, and a motor driven by the motor driver.
- the motor drive control circuit and the motor device using the same are provided with a rotation limit comparator in parallel with the rotation control amplifier. Operation can be performed in a safer operation area, and wasteful power consumption can be suppressed.
- FIG. 1 is an overall configuration diagram of a motor device according to an embodiment of the present invention.
- FIG. 2 is an operation waveform diagram of the above motor driver control circuit.
- FIG. 3 is a waveform diagram of a voltage detected by the current detection resistor according to the first embodiment.
- FIG. 4 is an overall configuration diagram of a conventional motor device.
- FIG. 5 is a waveform diagram of a voltage detected by the above current detection resistor.
- FIG. 6 is a waveform diagram of input and output of a PWM output comparator.
- the motor device 1 shown in FIG. 1 includes a motor 2, a motor driver 7 for driving the motor 2, and a motor drive control circuit 6 for controlling the motor driver 7.
- the motor 2 includes a rotor 9 composed of a permanent magnet, Y-connected U-phase, V-phase, and W-phase coils L, L, and L for controlling rotation of the rotor 9, and a rotor. Detect and rotate 9 positions (phases)
- Hall elements H, H, H that output position detection signals (Hall signals) and motor 2 (rotation
- the H rotation position detection signal (Hall signal) is a differential signal in the U, V, and W phases, respectively.
- the detection output of the rotation speed counter 4 is input to a motor control command section (not shown) composed of a CPU, and the CPU determines a rotation speed for setting the motor 2 to a desired rotation speed based on the detection output. Generates a control voltage and outputs it to the signal input terminal SIG of the motor drive control circuit 6.
- the motor driver 7 includes three power-supply-side output transistors T, which are N-type MOS transistors,
- the drain of the register ⁇ is connected to the W-phase coil L of the motor 2 respectively.
- the drains of the output transistors ⁇ , ⁇ , and on the power supply side are connected to the motor drive power supply V.
- the side output transistor ⁇ turns on.
- W-phase coil L force U-phase coil L
- the power supply side output transistor and the ground side output transistor are switched in response to the PWM output of the motor driver control circuit 20, and the amount of current supplied to the motor 2 is changed by the change in the on / off duty ratio based on the switching. Change the speed to control it.
- the motor drive control circuit 6 includes a current detection resistor 12, which is the above-described impedance element that converts the drive current of the motor 2 into a voltage, and a peak hold circuit 14 that receives the voltage and holds the peak voltage during the ON period of the PWM signal. And the peak voltage, the voltage limit reference voltage of the reference voltage power supply 23, and the rotation speed control voltage of the signal input terminal SIG are input, and the lower one of the voltage limit reference voltage and the rotation speed control voltage is compared with the peak voltage.
- a rotation control amplifier 13, a rotation limit comparator 24 for inputting and comparing a voltage of a reference voltage power supply 25 substantially equal to the reference voltage power supply 23 and a peak voltage, and an oscillation connected to an output of the rotation control amplifier 13.
- the capacitor 22 for prevention and the rotation position detection signals of the Hall elements ⁇ , ⁇ , ⁇ are input and amplified.
- the output of the Hall amplifier 16 to be input and its output are input, the phase is advanced by a certain amount, amplified according to the voltage of the rotation control amplifier 13, and the polarity discrimination signals U, V, W are output.
- a synthesizing circuit 17 a triangular wave generator 19 for generating and outputting a triangular wave, and a PWM for outputting the PWM signals U, V, W by comparing the triangular wave with the polarity discrimination signals U, V, W.
- a motor driver that outputs a signal for controlling the motor driver 7 from the output signal of the output comparator 18, the rotation limit comparator 24, and the PWM signals U, V, W of the PWM output comparator 18.
- the drive current flows through the current detection resistor 12 during the on-period of the PWM signal, and does not flow during the off-period of the PWM signal because each transistor of the motor driver 7 is off. Further, the drive current during the ON periods of the U-phase, V-phase, and W-phase all flows through the current detection resistor 12, and fluctuates according to each phase.
- the peak hold circuit 14 holds the peak voltage of the voltage detected by the current detection resistor 12 during the on-period of the PWM signal during the off-period of the PWM signal. I have.
- the rotation control amplifier 13 has one inverting input terminal and two non-inverting input terminals, and the peak voltage of the peak hold circuit 14 is applied to the inverting input terminal, and the voltage limit reference voltage of the reference voltage power supply 23 is The signal input terminal
- the SIG rotation speed control voltage is input to the two non-inverting input terminals, respectively, and as described above, the lower of the voltage limit reference voltage and the rotation speed control voltage is compared with the peak voltage. Is done.
- the oscillation preventing capacitor 22 connected to the output of the rotation control amplifier 13 is connected to the rotation control amplifier 13, the synthesis circuit 17, the PWM output comparator 18, the motor driver control circuit 20, the motor driver 7, the current detection resistor 12, the peak
- This is a capacitor that performs phase compensation to prevent oscillation in the loop formed by the hold circuit 14, and has a capacitance value of, for example, about 0.01 / iF.
- the rotation limit comparator 24 receives the voltage of the peak voltage of the peak hold circuit 14 at the non-inverting input terminal and the voltage of the reference voltage power supply 25 substantially equal to the reference voltage power supply 23 at the inverting input terminal. Is done. What is important here is that the output of the rotation limit comparator 24 is not connected to a capacitor having a large capacitance value, such as the capacitor 22 connected to the output of the rotation control amplifier 13, and the output is also limited to that output. Is directly input to the motor driver control circuit 20. That is, as described later, the output of the rotation limit comparator 24 is output to the motor driver control circuit 20 in the event of an abnormality (when the motor 2 is overloaded) by the PWM signal caused by the delay caused by the oscillation preventing capacitor 22 as described later. It is used to eliminate the extra ON period. Therefore, the voltage of the reference voltage power supply 25 does not need to be completely the same as the voltage of the reference voltage power supply 23 as long as the desired operation of the motor driver control circuit 20 can be realized.
- the Hall amplifier 16 converts the rotational position detection signals (Hall signals) H + and H of the Hall element H into H + and H.
- a U-phase differential amplifier that receives the non-inverting input terminal and the inverting input terminal respectively, and a Hall element
- the child H rotation position detection signals H + and H— are supplied to the non-inverting input terminal and the inverting input terminal respectively.
- the synthesizing circuit 17 inputs the rotation position detection signal output of the U-phase, V-phase, and W-phase differential amplifiers of the Hall amplifier 16 and amplifies the signals in accordance with the output voltage of the rotation control amplifier 13. Output polarity judgment signals U, V, W. This adjustment of the amplification degree is performed by increasing the differential in the synthesis circuit 17.
- each input signal is advanced by a constant phase (for example, 30 °) is to reduce the magnetic field at a timing for rotating the rotor 9 of the motor 2 most efficiently.
- the PWM output comparator 18 inputs the triangular wave of the triangular wave generator 19 to the inverting input terminal and the U-phase polarity determination signal U of the synthesizing circuit 17 to the non-inverting input terminal, and compares the U-phase.
- the comparator for the V-phase which is input to each terminal for comparison, and the triangular wave to the inverting input terminal, and the polarity discrimination signal W of the W-phase, which is input to the non-inverting input terminal, for comparison, the W-phase
- the comparator and the power are composed. Therefore, for each of the U, V, and W phase discrimination signals u, v, and w with a phase difference of 120 °, the period when the voltage is higher than the triangular wave is high.
- the PWM signals U, V, and W during the level on period are output.
- the motor driver control circuit 20 controls the PWM signal (input PWM) (Up
- the motor driver control circuit 20 receives the output signal (RL) of the rotation limit comparator 24, and in the case of an abnormality, the motor driver control circuit 20 causes a delay due to the oscillation preventing capacitor 22, as shown in the waveform diagram of FIG.
- the pulse output period of the rotation limit comparator 24 is subtracted from the ON period of the PWM signal and output (output PWM). If no abnormality is detected, there is no pulse output from the rotation limit comparator 24. Is output to the motor driver 7 as it is.
- a PWM signal having a duty ratio with a large ON period is generated and output to the motor driver 7 via the motor driver control circuit 20.
- the drive current flowing to the U-phase, V-phase, and W-phase coils L, L, and L of the motor 2 by the motor driver 7 increases.
- the motor driver 7 connects the U-phase, V-phase, and W-phase coils L, L, L
- V, and W have extra amplitudes, and are output from the PWM output comparator 18.
- a PWM signal including an extra ON period in the utility ratio is output to the motor driver control circuit 20.
- the motor driver control circuit 20 subtracts the output period (high-level period) of the rotation limit comparator 24 from the on-period of the PWM signal to obtain the extra on-period of the PWM signal. Is removed. Then, when the PWM signal is turned off, the peak voltage of the peak hold circuit 14 drops through the motor driver 7 and the current detection resistor 12, so that the output of the rotation limit comparator 24 returns to a low level.
- FIG. 3 shows a voltage waveform at the time of abnormality of the motor device 1 detected by the current detection resistor 12.
- the voltage E in the figure is a voltage limit reference voltage of the reference voltage power supply 23, and a voltage lower than this voltage is a region where the elements constituting the motor driver 7 are not destroyed, that is, a safe operation region of the elements.
- the detection voltage of the current detection resistor 12 is substantially equal to or lower than the voltage E, and there is no period in which the detection voltage greatly exceeds the voltage E as in the period shown by the points A to B in the voltage waveform in FIG.
- the motor drive control circuit 6 since the motor drive control circuit 6 is provided with the rotation limit comparator 24 in parallel with the rotation control amplifier 13, the output delay of the rotation control amplifier 13 is delayed. As a result, it is possible to suppress the extra drive current due to the above, and to operate the elements constituting the motor driver in a safer operation region. Also, of the motor drive control circuit 6, at least the rotation control amplifier 13, the rotation limit comparator 24, the synthesizing circuit 17, the PWM output comparator 18, and the motor driver control circuit 20 are mounted on a semiconductor substrate. By integrating them into one semiconductor device, the motor device 1 can be reduced in size.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005517325A JPWO2005071827A1 (ja) | 2004-01-27 | 2005-01-27 | モータ駆動制御回路及びそれを用いたモータ装置 |
US10/597,497 US7509032B2 (en) | 2004-01-27 | 2005-01-27 | Motor drive control circuit and motor apparatus using the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-019043 | 2004-01-27 | ||
JP2004019043 | 2004-01-27 |
Publications (1)
Publication Number | Publication Date |
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WO2005071827A1 true WO2005071827A1 (ja) | 2005-08-04 |
Family
ID=34805590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/001152 WO2005071827A1 (ja) | 2004-01-27 | 2005-01-27 | モータ駆動制御回路及びそれを用いたモータ装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7509032B2 (ja) |
JP (1) | JPWO2005071827A1 (ja) |
CN (1) | CN100452635C (ja) |
TW (1) | TW200605489A (ja) |
WO (1) | WO2005071827A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7564207B2 (en) | 2004-07-23 | 2009-07-21 | Rohm Co., Ltd. | Peak hold circuit, motor drive control circuit having the peak hold circuit and motor apparatus having the motor drive control circuit |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5376392B2 (ja) * | 2008-02-14 | 2013-12-25 | 日立工機株式会社 | 電動工具 |
JP5408893B2 (ja) * | 2008-03-27 | 2014-02-05 | セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー | モータ駆動回路 |
TWI424678B (zh) * | 2008-04-14 | 2014-01-21 | Feeling Technology Corp | 切換式調整電路及雙線圈馬達裝置 |
TWI393343B (zh) * | 2010-02-12 | 2013-04-11 | Amtek Semiconductor Co Ltd | 直流無刷馬達之驅動系統及具有此驅動系統之藍光光碟機 |
TWI433445B (zh) * | 2011-07-12 | 2014-04-01 | Amtek Semiconductor Co Ltd | 具有pwm調變模組之馬達驅動裝置 |
CN102891641B (zh) * | 2011-07-20 | 2015-01-21 | 晶致半导体股份有限公司 | 具有pwm调变模块的马达驱动装置 |
US8742713B2 (en) | 2011-10-21 | 2014-06-03 | Allegro Microsystems, Llc | Motor control circuit and method that reduce speed jitter of an electric motor |
US8638053B2 (en) * | 2011-10-21 | 2014-01-28 | Allegro Microsystems, Llc | Motor control circuit and method that synchronize a speed of an electric motor to an external clock signal |
JP6389425B2 (ja) * | 2014-11-28 | 2018-09-12 | ミネベアミツミ株式会社 | モータ駆動制御装置および回転状態検出方法 |
US10033309B2 (en) * | 2015-07-17 | 2018-07-24 | Anpec Electronics Corporation | Control apparatus for dynamically adjusting phase switching of the DC motor and method thereof |
US10135369B2 (en) * | 2015-09-29 | 2018-11-20 | Microchip Technology Incorporated | Linear hall effect sensors for multi-phase permanent magnet motors with PWM drive |
US10312847B2 (en) | 2016-05-09 | 2019-06-04 | Allegro Microsystems, Llc | Motor control using phase current and phase voltage |
CN106655953B (zh) * | 2016-10-15 | 2019-07-23 | 青岛海尔空调器有限总公司 | 无电解电容电机驱动系统及其弱磁控制方法和控制装置 |
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JPH10201280A (ja) * | 1997-01-14 | 1998-07-31 | Shibaura Eng Works Co Ltd | ブラシレス直流モータの駆動装置 |
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US5616994A (en) * | 1994-01-12 | 1997-04-01 | Mitsubishi Denki Kabushiki Kaisha | Drive circuit for brushless motor |
US6188187B1 (en) * | 1998-08-07 | 2001-02-13 | Nidec America Corporation | Apparatus and method of regulating the speed of a DC brushless motor |
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US7304452B2 (en) * | 2005-03-11 | 2007-12-04 | Kabushiki Kaisha Toshiba | Motor control device |
JP2008005632A (ja) * | 2006-06-22 | 2008-01-10 | Matsushita Electric Ind Co Ltd | モータ駆動装置及びモータ駆動方法並びにディスク駆動装置 |
-
2005
- 2005-01-27 TW TW094102471A patent/TW200605489A/zh unknown
- 2005-01-27 US US10/597,497 patent/US7509032B2/en not_active Expired - Fee Related
- 2005-01-27 JP JP2005517325A patent/JPWO2005071827A1/ja not_active Withdrawn
- 2005-01-27 CN CNB2005800033593A patent/CN100452635C/zh not_active Expired - Fee Related
- 2005-01-27 WO PCT/JP2005/001152 patent/WO2005071827A1/ja active Application Filing
Patent Citations (4)
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JPH10201280A (ja) * | 1997-01-14 | 1998-07-31 | Shibaura Eng Works Co Ltd | ブラシレス直流モータの駆動装置 |
JP2001245486A (ja) * | 2000-02-29 | 2001-09-07 | Matsushita Electric Ind Co Ltd | Dcブラシレスモータの駆動制御装置とそれを備えた自吸式ポンプ |
JP2002010681A (ja) * | 2000-06-16 | 2002-01-11 | Aisin Seiki Co Ltd | モータ駆動装置 |
JP2003111481A (ja) * | 2001-09-28 | 2003-04-11 | Canon Inc | モータ駆動装置、および、その駆動方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7564207B2 (en) | 2004-07-23 | 2009-07-21 | Rohm Co., Ltd. | Peak hold circuit, motor drive control circuit having the peak hold circuit and motor apparatus having the motor drive control circuit |
Also Published As
Publication number | Publication date |
---|---|
KR20070000444A (ko) | 2007-01-02 |
US20080018295A1 (en) | 2008-01-24 |
CN100452635C (zh) | 2009-01-14 |
CN1914789A (zh) | 2007-02-14 |
JPWO2005071827A1 (ja) | 2007-09-06 |
US7509032B2 (en) | 2009-03-24 |
TW200605489A (en) | 2006-02-01 |
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