WO2005081397A1 - 電動パワーステアリング装置の制御装置 - Google Patents
電動パワーステアリング装置の制御装置 Download PDFInfo
- Publication number
- WO2005081397A1 WO2005081397A1 PCT/JP2005/003228 JP2005003228W WO2005081397A1 WO 2005081397 A1 WO2005081397 A1 WO 2005081397A1 JP 2005003228 W JP2005003228 W JP 2005003228W WO 2005081397 A1 WO2005081397 A1 WO 2005081397A1
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- Prior art keywords
- command value
- current command
- axis current
- motor
- correction
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Classifications
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- 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
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/06—Rotor flux based control involving the use of rotor position or rotor speed sensors
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/50—Reduction of harmonics
Definitions
- the present invention relates to a control device for an electric power steering device, and in particular, to a weak field.
- the present invention relates to a control device for an electric power steering device that executes magnetic control and suppresses a torque ripple of a motor output based on a motor circulating current.
- An electric power steering device that applies an assisting force to a steering device of an automobile by the rotational force of a motor is a steering shaft or a rack that transmits the driving force of the motor through a transmission mechanism such as a gear or a belt through a speed reducer. It is designed to provide assistance to the shaft.
- a transmission mechanism such as a gear or a belt through a speed reducer.
- Steering handle 10 1 Column shaft 102 is driven by reduction gear 103, universal joints 104 a and 104 b, pinion rack mechanism 105, and tie rods of steered wheels 100 6 is joined.
- the column shaft 102 is provided with a torque sensor 107 for detecting the steering torque of the steering handle 101, and a motor 108 for assisting the steering force of the steering handle 101 is provided. It is connected to the column shaft 102 via a reduction gear 103.
- a control device of such an electric power steering device will be described with reference to FIG.
- the control method of this control device is, for example, a three-phase motor control using feedback control and vector control.
- a steering torque T ref detected and input by a torque sensor 107, a vehicle speed V detected by a vehicle speed sensor (not shown), and a rotor The position ⁇ and the angular velocity ⁇ of the rotor are input to the current command value calculation unit 204, and the q-axis current command value I qref, which mainly controls the output torque of the motor 108, and the motor
- the d-axis current command value I dref for controlling the field is calculated.
- the resolver 201 detects the rotor position ⁇ of the motor 108 and the angular velocity ⁇ of the rotor.
- a resolver digital conversion circuit (hereinafter referred to as an “RDC circuit”) 202 which is coupled to the output signal 08 and detects the rotor position ⁇ and the rotor angular velocity ⁇ from the output signal of the resolver 201 is provided. .
- the three-phase / two-phase converter 206 receives the rotor position, which is the output of the RDC circuit 202, and the detected motor currents Ia, lb, and Ic of each phase as inputs, and outputs the d-axis current.
- the motor 108 is a three-phase motor, it is necessary to calculate the three-phase voltage command values V aref, V bref, and V cref from the voltage command values V dref and V qref expressed on the d-axis and q-axis. is there. For this reason, the d-axis voltage command value V dref and the q-axis voltage command value V qref and the rotor position 0 output from the RDC circuit 202 are input to the two-phase three-phase conversion unit 209. Then, the voltage command values V aref, V bref, and V cref are calculated.
- the PWM control section 2 1 receives the phase voltage command values V aref, V bref, and V cref as inputs. At 0, each phase PWM control signal is output, and the inverter 211 is PWM-controlled by these respective phase PWM control signals.
- the control method described above is the vector control using the d-axis current command value Idref and the q-axis current command value Iqref.
- the current command value for commanding the output torque of the motor 108 is the q-axis current command value I qref
- Patent Literature 1 JP-A-2000-184804766A
- Patent Document 2 JP-A 2000-0—184 In 773 A
- Patent Document 3 JP-A-2000-184804766A
- Patent Document 2 JP-A 2000-0—184 In 773 A
- Patent Document 3 In Japanese Patent Application Laid-Open Publication No. H07-216, the correction of the q-axis current command value using the vehicle speed V, angular speed, rotor position 0, etc. is performed to suppress the pulsating torque generated in the motor output torque.
- the motor is controlled by the q-axis current command value after multiplication and correction.
- a circulating current ic is generated due to a variation in resistance inductance of the motor winding and a third harmonic included in the back electromotive force.
- Such a circulating current i c generates torque ripple, which causes noise and vibration.
- Patent Literature 1 and Patent Literature 2 are intended to prevent a decrease in output caused by a rise in temperature, and do not improve the above-described motor vibration and noise.
- the countermeasure disclosed in Patent Document 3 is not for preventing motor vibration and noise generated when field-weakening control is performed, but for pulsating torque in a sensitive region where handle operation feeling is sharp. This is to prevent the steering feeling from deteriorating.
- the motor control using the vector control when the field control is weakened during high-speed rotation or the like, that is, when the d-axis current command value I dref is not 0, the motor vibrates and noise is reduced. There are problems that occur.
- the motor oscillates due to torque ripple caused by the circulating current ic of the motor, generating noise.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a torque ripple of a motor generated when field weakening control is performed, or a torque ripple of a motor based on a motor circulating current.
- An object of the present invention is to provide a control device of an electric power steering device which prevents the vibration and noise of a motor from being generated. Disclosure of the invention
- the present invention relates to a motor for applying a steering assist force to a steering system of a vehicle, a q-axis current command value I qref for controlling an output torque of the motor, and a d-axis current command value I dref for controlling a field of the motor.
- the object of the present invention is to correct the q-axis current command value Iqref based on the rotor position 0 of the motor. This is achieved by providing current command value correction means for calculating a corrected q-axis current command value I qc and controlling the motor based on the corrected q-axis current command value I qc.
- the current command value correction means corrects the q-axis current command value I qref based on the rotor position ⁇ ⁇ of the motor and the angular velocity ⁇ of the rotor.
- the q-axis current command value I qc is calculated by calculating the q-axis current command value I qref or by correcting the q-axis current command value I qref based on the motor rotor position 0 and the q-axis current command value I qref. Or by adding the basic correction current Ic predetermined by the rotor position 0 to the q-axis current command value Iqref to calculate the correction q-axis current command value Iqc, Is achieved.
- the current command value correcting means is configured to adjust the angle of the rotor to a basic correction current value I c predetermined by the rotor position 0. Adding a compensation current value (KwKdIc) multiplied by a coefficient Kw determined by the speed ⁇ to the q-axis current command value Iqref to calculate a correction q-axis current command value Iqc Or a compensation current value (Kq ⁇ Kd ⁇ Ic) obtained by multiplying a basic correction current Ic predetermined by the rotor position ⁇ by a coefficient Kq determined by the q-axis current command value Iqref. ) Is added to the q-axis current command value I qref to calculate the corrected q-axis current command value I qc, which is more effectively achieved.
- the current command value correction means comprises: a basic correction current calculation means for outputting a basic correction current I c predetermined by the motor position ⁇ ; Encoding means for determining and outputting the sign of the current command value I qref, and first multiplication by multiplying the basic correction current I c and a signal from the encoding means and adding the result to the q-axis current command value I qref Or a coefficient calculating means for calculating a coefficient Kw based on the angular velocity ⁇ of the rotor, and a second multiplier for multiplying the basic correction current Ic by the coefficient ⁇ .
- the output ( ⁇ ⁇ ⁇ ⁇ Ic) of the second multiplication unit is input to the first multiplication unit, or the advancing portion for advancing the angular velocity ⁇ ; Adding means for adding the angled angular velocity to the rotor position ⁇ ; By inputting the output of the basic correction current calculating section is achieved Ri effectively good.
- the present invention provides a motor for applying a steering assist force to a steering system of a vehicle, a q-axis current command value Iqref for controlling an output torque of the motor, and a d-axis current for controlling a field of the motor.
- the present invention relates to a control device for an electric power steering device including a current command value calculating means for calculating a command value I dref, wherein the rotor position ⁇ of the motor and the d-axis current command value I dref are determined.
- a current command value correction means for calculating a q-axis current command value I qc based on the q-axis current command value I qref based on the Brief description of drawings achieved by controlling the motor based on the current command value I qc
- FIG. 1 is a configuration diagram of a general electric power steering device.
- FIG. 2 is a block diagram showing an example of a conventional vector control system in the electric power steering apparatus.
- FIG. 3 is a diagram showing a state of a circulating current in the delta connection type motor.
- FIG. 4 is a block diagram showing a configuration example (field-weakening control) of a control device to which the present invention is applied.
- FIG. 5 is a block diagram showing an example of the current command value correcting means (field weakening control) of the present invention.
- FIG. 6 is a block diagram showing an example of a current command value correcting means (field-weakening control) in consideration of an angular velocity according to the present invention.
- FIG. 7 is a block diagram showing an example of a current command value correcting means according to the present invention in consideration of the magnitude of the q-axis current command value.
- FIG. 8 is a block diagram showing an example of an apparatus in which the present invention is applied to a conventional vector control system.
- Ninth is a block diagram showing an example of the current command value correcting means (circulating current) of the present invention.
- No. 10 is a block diagram showing a specific example of the current command value correcting means (circulating current).
- a basic correction current Ic for canceling the torque ripple with respect to the rotor position 0 is determined in advance.
- the magnitude of the torque ripple increases as the field weakening becomes stronger, that is, as the d-axis current command value increases, so that the basic correction current I c is a coefficient corresponding to the magnitude of the d-axis current command value.
- a circulating current is generated by the third harmonic included in the back electromotive voltage, and the circulating current generates a torque ripple.
- the magnitude (amplitude) of the circulating current is a function of the angular velocity ⁇
- the angular velocity ⁇ is multiplied by a correction coefficient and added to the current command value in the same direction.
- FIG. 4 shows the overall configuration of an electric power steering apparatus including a current command value correction means 10 which is a main part of the present invention.
- FIG. 5 shows a current command value which is a main part of the present invention.
- FIG. 3 is a block diagram showing details of a correction unit 10.
- the vector control used in the first embodiment differs from the above-described conventional vector control in that the d-axis current command value and the q-axis current command value are used until the current command value is calculated. After it is determined, it is converted into a current command value for each phase, and thereafter, a feedback system is used to control the motor current for each phase, and pseudo vector control (hereinafter referred to as “PVC control”). ). Note that.
- PVC control pseudo vector control
- the present invention can be applied not only to a PVC control system but also to a conventional vector. It can also be applied to control systems.
- the steering current T ref detected and input by the torque sensor 107, the vehicle speed V detected by a vehicle speed sensor (not shown), the rotor position 0 and the angular speed ⁇ of the rotor are calculated by a current command value calculation unit 2.
- the q-axis current command value I qref that mainly controls the output torque of the motor 108 and the d-axis current command value I dref that mainly controls the field of the motor 108 are calculated.
- the q-axis current command value I q ref is input to the current command value correction means 10, and after correction, outputs a corrected q-axis current command value I q c.
- the entirety of the PCV C control will be described first, and the configuration and operation of the current command value correcting means 10 will be described later in detail with reference to FIG.
- a resolver 201 detecting the rotor position 0 and the angular velocity ⁇ of the rotor 108 of the motor 108 is provided to the motor 108, and the output signal of the resolver 201 is An RDC circuit 202 for detecting the rotor position 0 and the angular velocity ⁇ of the rotor is provided.
- Correction that is the output of current command value correction means 10 q-axis current command value I qc and The deviation A la, A lb, 1 between the d-axis current command value I dref and the motor current I a, I b, I c of each phase. F, are calculated in the subtraction sections 207-1, 2, 07-2, 207-3.
- the deviations ⁇ la, ⁇ Ib, and ⁇ Ic are input to the PI control unit 208 to calculate three-phase voltage command values Varef, Vbref, and Vcref.
- each phase voltage command value V aref
- V bref, V cref is input and the PWM controller 210 controls each phase PWM control.
- a control signal is output, and the inverter 211 is PWM-controlled by the PWM control signal for each phase.
- PVC control is phase control including the current command value and detection current, even if parameters such as the motor's resistance inductance vary in each phase, it differs from d / q axis current control in each phase. Has the effect of being able to compensate independently.
- the current command value correction means 10 receives the rotor position ⁇ as an input and outputs the basic correction current I c, the basic correction current calculation means 10 a, and inputs the d-axis current command value I dref and calculates the coefficient K d.
- the d-axis coefficient calculating means 10 b to be output, the multiplier 10 c for inputting and multiplying the basic correction current I c and the coefficient K d, and the output of the multiplier 10 to the q-axis current command value I qref ( K d * I c) and an adder 10 d that outputs a corrected q-axis current command value I qc.
- the basic correction current calculation means 10a tabulates the relationship between the rotor position ⁇ and the basic correction current I c by actual measurement. That is, the rotor is rotated at a constant speed, and the basic correction current I c for canceling the torque ripple generated by the rotor position 0 is measured and tabulated. Since this relationship changes depending on the characteristics of the motor, it is necessary to measure the relationship for each type of motor used. is there.
- FIG. 5 shows an example in which the d-axis current command value I dref has a dead zone near 0, but the dead zone is not an essential condition of the present invention, and when the field weakening is clearly executed. It is devised so that only the correction is made.
- the basic correction current calculation means 10a determines the basic correction current Ic for canceling the torque ripple, and is further proportional to the strength of the field weakening current.
- the correction current (K d ⁇ I c) obtained by multiplying the basic correction current I c by the d-axis coefficient K d determined by the d-axis current command value I dref immediately in the multiplication unit 10 c is added to the addition unit 10.
- the d-axis is added to the q-axis current command value I qref and the correction q-axis current command value I qc is calculated.
- this corrected q-axis current command value I qc it is possible to suppress the torque ripple determined according to the rotor position ⁇ and the magnitude of the d-axis current command value. Thereby, vibration and noise of the motor can be suppressed.
- the first embodiment is the basis of the present invention, but the second embodiment is an improvement of the first embodiment in consideration of the element of the angular velocity ⁇ of the motor.
- the torque ripple generated during the field-weakening control increases as the rotor rotates at higher speed. Therefore, the correction current (K d ⁇
- the correction current (K d ⁇ I c) is further adjusted by the angular velocity ⁇ .
- the current command value correction means 10 inputs the rotor position 0 and outputs the basic correction current I c .
- the basic correction current calculation means 10 a outputs the d-axis current command value I dref and outputs the coefficient K d.
- a multiplication unit 10 c for inputting and multiplying the d-axis coefficient calculation means 10 b, the basic correction current I c and the coefficient K d, and an output of the multiplication unit 10 c for the q-axis current command value I qref ( K d ⁇ I c) and an angular velocity ⁇ to input an angular velocity coefficient calculating means 10 e for calculating a coefficient K w, and a multiplier for multiplying the output (K d ⁇ I c) of the multiplier 10 c by a coefficient K w.
- Addition unit 1 that adds q axis current command value I qref to 10 f and the output (Kw * K d * I c) of multiplier unit 10 f and outputs q axis current command value 1 9 0:
- the relationship between the angular velocity ⁇ and the coefficient Kw indicated by the angular velocity coefficient calculating means 10 e is determined by actual measurement. This relationship also varies depending on the characteristics of the motor.
- the value is 1 for high speed rotation, and the value is 1 or more as a coefficient as the rotation speed increases, that is, the torque ripple increases as the rotation speed increases, so the correction current for suppressing It is necessary to increase it.
- the current command value correcting means 10 configured in this manner is used for the correction current (K d ⁇ I c) output from the multiplying section 10c described in the first embodiment, and for the angular velocity coefficient calculating means 10e.
- the coefficient Kw determined by the angular velocity ⁇ is multiplied by a multiplication unit 10 f to calculate a correction current (Kw ⁇ Kd ⁇ Ic) and added to the q-axis current command value Iqref.
- the correction q-axis current command value I qc is calculated by adding 10 d.
- a measure is taken to further suppress the increase in torque ripple due to the angular velocity ⁇ in the capturing current (K d ⁇ I c) of the first embodiment.
- vibration and noise of the motor can be more effectively suppressed.
- the first embodiment is the basis of the present invention, but the third embodiment is an improvement of the first embodiment in consideration of the element of the q-axis current command value I qref itself.
- the torque ripple generated during field-weakening control increases as the q-axis current command value Iqref itself, which is the torque command value, increases. Therefore, the correction current (Kd ⁇ Ic) is adjusted by the q-axis current command value Iqref to the correction current (Kd ⁇ Ic) of the first embodiment.
- the current command value correction means 10 inputs the rotor position ⁇ and outputs the basic correction current Ic.
- the basic correction current calculation means 10a inputs the d-axis current command value I dref and outputs the coefficient K d.
- Multiplying unit 10 c for inputting and multiplying the d-axis coefficient calculating means 10 b, the basic correction current I c and the coefficient K d, and the output of the multiplying unit 1 O c to the q-axis current command value I qref ( K d ⁇ I c) and the q-axis current command value I qref are input to calculate the coefficient K q
- Multiplying unit 10 f multiplied by K q and the correction current (K q-K d ⁇ I c) output from the multiplying unit 10 f are corrected by adding the q-axis current
- the relationship between the q-axis current command value I q ref and the coefficient K q indicated by the q-axis coefficient calculation means 10 g is determined by actual measurement. This relationship also changes depending on the characteristics of the motor. As the q-axis current command value I q r e f increases, a value of 1 or more is determined as a coefficient.
- the correction current (K d ⁇ I c) output from the multiplication unit 10 c described in the first embodiment is further added to the q-axis coefficient calculation means 10 g.
- the multiplication unit 10 f multiplies the coefficient K q determined by the q-axis current command value I qref calculated by K d ⁇ I c) is calculated and added to the q-axis current command value I qref by the adding unit 10 to calculate the corrected q-axis current command value I qc.
- the correction current (K d ⁇ I c) of the first embodiment is further provided with a means for suppressing an increase in torque ripple due to the magnitude of the q-axis current command value I qref. As a result, the vibration and noise of the motor can be more effectively suppressed.
- FIG. 8 is a control block diagram in which the present invention is applied to the conventional vector control.
- a current command value correction unit 10 is arranged between the current command value calculation unit 204 and the subtraction unit 207--1, and the current command value calculation unit 204
- the calculated q-axis current command value I qref is first input to the current command value correction means 10, is calculated and output as the corrected q-axis current command value I qc, and is input to the subtraction section 2 07 _ 1 That is the point.
- the back electromotive force waveform of the motor is designed to be a sine wave (only the first order component), but some harmonic components are included.
- a delta-connection type three-phase brushless motor a third circulating current is generated by the third harmonic contained in the back electromotive force, and this circulating current generates a torque ripple (sixth-order component).
- Y star
- Fig. 9 shows the basic configuration. Since the torque ripple is a function of the electrical angle (rotor position) ⁇ , the signal with the sign (direction) of the q-axis current command value I qref is encoded. Means obtained by the means 10 p and multiplied by the basic correction current I c from the basic correction current calculating means 10 a by the multiplication unit 10 q, and the multiplication result, that is, the correction value corresponding to the electrical angle 0, is added to the adder 1. 0d is added to the q-axis current command value I qref. The sign of the correction value is the same as the current command value, and the correction value may be obtained by experiment or by simulation.
- FIG. 10 shows an example of the configuration, in which the angular velocity ⁇ is multiplied by a coefficient by a coefficient calculating means 10 b, and a multiplying unit 10 c calculates the basic correction current I c from the basic correction current calculating means 10 a.
- Multiplication is performed, and the multiplication result is further multiplied by a signal from the encoding unit 10p in a multiplication unit 10q.
- the angular velocity ⁇ is advanced by the advance section 11, and the electrical angle ⁇ is advanced by the addition section 12.
- the torque ripple based on the circulating current of the delta connection type motor which is a function of the angular velocity ⁇ can be corrected.
- the correction of the circulating current is more appropriately performed, and the advance of the angular velocity ⁇ is added to the electrical angle ⁇ .
- the torque reduction based on the circulating current of the motor or the delta connection type motor that occurs when the field weakening control is executed the torque reduction based on the circulating current of the motor or the delta connection type motor that occurs when the field weakening control is executed.
- the vibration and noise of the motor due to the ripple can be suppressed.
- the waveform of the generated torque ripple is determined by the rotor position for each motor characteristic, so that the basic correction current for canceling the torque ripple by the rotor position is determined in advance. Decide beforehand. Furthermore, since the torque ripple increases as the d-axis current of the field-weakening control increases, the correction current whose magnitude has been adjusted by multiplying the determined basic correction current by the magnitude of the d-axis current command value I dref Is added to the q-axis current command value I qref, and the motor is controlled based on the q-axis current command value I qc, thereby suppressing torque ripple. Therefore, the effect of suppressing vibration and noise of the motor can be obtained.
- the torque ripple is also affected by the angular velocity ⁇ of the rotor, and the correction current determined by the d-axis current command value I dref is further multiplied by the magnitude of the angular velocity. Correction added to the q-axis current command value I qref q Since the motor is controlled based on the q-axis current command value I qc, torque ripple is suppressed. As a result, vibration and noise of the motor can be suppressed.
- the torque ripple is also affected by the magnitude of the q-axis current command value I qref, and the larger the q-axis current command value, the larger the torque ripple.
- the correction current obtained by multiplying the correction current determined by the rotor position and the d-axis current command value described above by the magnitude of the q-axis current command value is added to the q-axis current command value. Since the motor is controlled based on the value Iqc, torque ripple is suppressed. Therefore, motor vibration and noise can be suppressed. Industrial applicability
- a high-performance electric power steering device can be provided.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
- Power Steering Mechanism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
Description
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Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/590,213 US20080211446A1 (en) | 2004-02-23 | 2005-02-21 | Control Apparatus of Electric Power Steering Apparatus |
| EP05719571A EP1722469A1 (en) | 2004-02-23 | 2005-02-21 | Motor-driven power steering device control device |
| JP2006510333A JP4912874B2 (ja) | 2004-02-23 | 2005-02-21 | 電動パワーステアリング装置の制御装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-046798 | 2004-02-23 | ||
| JP2004046798 | 2004-02-23 |
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| Publication Number | Publication Date |
|---|---|
| WO2005081397A1 true WO2005081397A1 (ja) | 2005-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/003228 Ceased WO2005081397A1 (ja) | 2004-02-23 | 2005-02-21 | 電動パワーステアリング装置の制御装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20080211446A1 (ja) |
| EP (1) | EP1722469A1 (ja) |
| JP (1) | JP4912874B2 (ja) |
| WO (1) | WO2005081397A1 (ja) |
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| JP2007116849A (ja) * | 2005-10-21 | 2007-05-10 | Nsk Ltd | モータ駆動制御装置 |
| JP2008254686A (ja) * | 2007-04-09 | 2008-10-23 | Jtekt Corp | 電動パワーステアリング装置 |
| JP2008273391A (ja) * | 2007-04-27 | 2008-11-13 | Mitsubishi Electric Corp | 電動パワーステアリング制御装置 |
| JP2008301670A (ja) * | 2007-06-04 | 2008-12-11 | Jtekt Corp | モータ制御装置及び電気式動力舵取装置 |
| JP2009268183A (ja) * | 2008-04-22 | 2009-11-12 | Aisin Seiki Co Ltd | 三相交流モータの駆動装置 |
| EP2375564A1 (en) | 2010-04-08 | 2011-10-12 | OMRON Automotive Electronics Co., Ltd. | Motor drive device |
| JP2014045592A (ja) * | 2012-08-27 | 2014-03-13 | Sim-Drive Co Ltd | 永久磁石式同期モータの制御装置 |
| JPWO2018078837A1 (ja) * | 2016-10-31 | 2019-06-24 | 三菱電機株式会社 | 電動機駆動装置 |
| JP2020031456A (ja) * | 2018-08-20 | 2020-02-27 | 日本電産株式会社 | モータ制御装置およびパワーステアリング装置 |
| WO2020075620A1 (ja) * | 2018-10-10 | 2020-04-16 | 日本電産株式会社 | モータ制御装置およびパワーステアリング装置 |
| US20200361520A1 (en) * | 2018-01-23 | 2020-11-19 | Robert Bosch Gmbh | Method for Operating a Steering System having a Compensation Device for Reducing a Torque Ripple of a Three-Phase Machine |
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| US7548035B2 (en) * | 2003-11-26 | 2009-06-16 | Nsk Ltd. | Control apparatus of electric power steering apparatus |
| ATE459132T1 (de) | 2007-06-05 | 2010-03-15 | Abb Schweiz Ag | Verfahren zum betrieb einer dreiphasigen rotierenden elektrischen maschine sowie vorrichtung zur durchführung des verfahrens |
| CN103384134B (zh) | 2008-01-16 | 2017-05-17 | 株式会社捷太格特 | 马达控制装置以及电动动力转向装置 |
| US8786223B2 (en) * | 2011-10-14 | 2014-07-22 | Ford Global Technologies, Llc | Controlling torque ripple in interior permanent magnet machines |
| US8868298B2 (en) * | 2013-03-04 | 2014-10-21 | Ford Global Technologies, Llc | Electric power assist steering motor sensor redundancy |
| JP6374662B2 (ja) * | 2014-02-10 | 2018-08-15 | 日本電産サーボ株式会社 | モータ装置 |
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| JP2001018822A (ja) * | 1999-07-08 | 2001-01-23 | Toyota Motor Corp | 車両の電動パワーステアリング装置 |
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| JP3396440B2 (ja) * | 1999-02-08 | 2003-04-14 | 株式会社日立製作所 | 同期電動機の制御装置 |
| JP4042278B2 (ja) * | 1999-11-30 | 2008-02-06 | 株式会社明電舎 | 同期電動機の制御方式 |
| JP3566163B2 (ja) * | 2000-01-07 | 2004-09-15 | 株式会社東芝 | モータ制御装置 |
| JP3644922B2 (ja) * | 2001-12-06 | 2005-05-11 | 本田技研工業株式会社 | 電動パワーステアリング装置 |
| JP4405788B2 (ja) * | 2003-11-18 | 2010-01-27 | 日本精工株式会社 | 電動パワーステアリング装置の制御装置 |
| JP4604493B2 (ja) * | 2004-01-13 | 2011-01-05 | 日本精工株式会社 | 電動パワーステアリング装置の制御装置 |
-
2005
- 2005-02-21 WO PCT/JP2005/003228 patent/WO2005081397A1/ja not_active Ceased
- 2005-02-21 JP JP2006510333A patent/JP4912874B2/ja not_active Expired - Fee Related
- 2005-02-21 EP EP05719571A patent/EP1722469A1/en not_active Withdrawn
- 2005-02-21 US US10/590,213 patent/US20080211446A1/en not_active Abandoned
Patent Citations (2)
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| JP2001018822A (ja) * | 1999-07-08 | 2001-01-23 | Toyota Motor Corp | 車両の電動パワーステアリング装置 |
| JP2002223582A (ja) * | 2001-01-26 | 2002-08-09 | Hitachi Ltd | 永久磁石式同期モータの制御装置および方法 |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007116849A (ja) * | 2005-10-21 | 2007-05-10 | Nsk Ltd | モータ駆動制御装置 |
| JP2008254686A (ja) * | 2007-04-09 | 2008-10-23 | Jtekt Corp | 電動パワーステアリング装置 |
| JP2008273391A (ja) * | 2007-04-27 | 2008-11-13 | Mitsubishi Electric Corp | 電動パワーステアリング制御装置 |
| JP2008301670A (ja) * | 2007-06-04 | 2008-12-11 | Jtekt Corp | モータ制御装置及び電気式動力舵取装置 |
| JP2009268183A (ja) * | 2008-04-22 | 2009-11-12 | Aisin Seiki Co Ltd | 三相交流モータの駆動装置 |
| US8446115B2 (en) | 2010-04-08 | 2013-05-21 | Omron Automotive Electronics Co., Ltd. | Motor drive device |
| EP2375564A1 (en) | 2010-04-08 | 2011-10-12 | OMRON Automotive Electronics Co., Ltd. | Motor drive device |
| JP2014045592A (ja) * | 2012-08-27 | 2014-03-13 | Sim-Drive Co Ltd | 永久磁石式同期モータの制御装置 |
| JPWO2018078837A1 (ja) * | 2016-10-31 | 2019-06-24 | 三菱電機株式会社 | 電動機駆動装置 |
| US20200361520A1 (en) * | 2018-01-23 | 2020-11-19 | Robert Bosch Gmbh | Method for Operating a Steering System having a Compensation Device for Reducing a Torque Ripple of a Three-Phase Machine |
| US11926373B2 (en) * | 2018-01-23 | 2024-03-12 | Robert Bosch Gmbh | Method for operating a steering system having a compensation device for reducing a torque ripple of a three-phase machine |
| JP2020031456A (ja) * | 2018-08-20 | 2020-02-27 | 日本電産株式会社 | モータ制御装置およびパワーステアリング装置 |
| JP7205108B2 (ja) | 2018-08-20 | 2023-01-17 | 日本電産株式会社 | モータ制御装置およびパワーステアリング装置 |
| WO2020075620A1 (ja) * | 2018-10-10 | 2020-04-16 | 日本電産株式会社 | モータ制御装置およびパワーステアリング装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1722469A1 (en) | 2006-11-15 |
| JPWO2005081397A1 (ja) | 2007-08-09 |
| US20080211446A1 (en) | 2008-09-04 |
| JP4912874B2 (ja) | 2012-04-11 |
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