WO2015083449A1 - Dispositif de commande de moteur électrique et procédé de commande - Google Patents

Dispositif de commande de moteur électrique et procédé de commande Download PDF

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Publication number
WO2015083449A1
WO2015083449A1 PCT/JP2014/077558 JP2014077558W WO2015083449A1 WO 2015083449 A1 WO2015083449 A1 WO 2015083449A1 JP 2014077558 W JP2014077558 W JP 2014077558W WO 2015083449 A1 WO2015083449 A1 WO 2015083449A1
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WIPO (PCT)
Prior art keywords
control mode
current
voltage
command value
voltage phase
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PCT/JP2014/077558
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English (en)
Japanese (ja)
Inventor
正治　満博
晶子 二瓶
高橋　直樹
中村　英夫
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日産自動車株式会社
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Priority to JP2015551423A priority Critical patent/JP6206505B2/ja
Publication of WO2015083449A1 publication Critical patent/WO2015083449A1/fr

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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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
    • 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
    • H02P21/14—Estimation or adaptation of machine parameters, e.g. flux, current or voltage
    • H02P21/20—Estimation of torque
    • 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
    • H02P21/22—Current control, e.g. using a current control loop
    • 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

Definitions

  • the present invention relates to a motor control device and control method.
  • An object of the present invention is to provide a technique for suppressing the generation of a torque step when switching from voltage phase control to current control.
  • the motor control device generates a current command value to the motor based on a motor constant and a torque command value corresponding to a predetermined temperature, and sets an applied voltage to the motor so as to follow the current command value.
  • the current control mode for controlling the current control mode and the motor constant corresponding to the predetermined temperature are used to calculate the estimated torque value of the motor.
  • the voltage phase Based on the voltage phase control means for executing the voltage phase control mode for feedback operation and the magnitude relationship between the current command value and the detected current in the current control mode, the switching from the voltage phase control mode to the current control mode is determined.
  • the voltage amplitude command value in the voltage phase control mode is larger than the voltage amplitude realized in the current control mode in the application region of the voltage phase control mode, and the voltage realized in the current control mode in the application region of the current control mode. It is set to be less than the amplitude.
  • FIG. 1 is a block diagram illustrating a configuration of an electric motor control device according to an embodiment.
  • FIG. 2 is a block diagram illustrating processing performed inside the current control transition determination unit.
  • FIG. 3 is a diagram that defines the relationship between the rotational speed N of the motor and the voltage amplitude command value V a * in the voltage phase control mode.
  • FIG. 4 is a diagram for explaining the behavior when the switching mode is switched by the conventional control device described in JP3683135B.
  • FIG. 5 is a diagram for explaining the behavior when the switching mode is switched by the motor control device according to the embodiment.
  • FIG. 6 is a flowchart showing control contents in the voltage phase control mode and the current control mode.
  • FIG. 7 is a diagram illustrating an example of a control result by the motor control device according to the embodiment.
  • FIG. 8 is a diagram for explaining a situation where the control mode is forcibly switched to the current control mode when the control mode is not switched from the voltage phase control mode to the current control mode even if the motor rotation speed is reduced to a predetermined rotation speed. is there.
  • FIG. 1 is a block diagram illustrating a configuration of a motor control device according to an embodiment.
  • This motor control device is applied to, for example, an electric vehicle.
  • the present invention can be applied to a hybrid vehicle or a system other than a vehicle.
  • the current command generator 1 determines the relationship between the torque command value T * , the DC voltage V dc of the battery 7, and the rotation speed N (hereinafter referred to as motor rotation speed) N of the motor 9, and the d-axis current and the q-axis current.
  • the determined table is stored, and the torque command value T * , the DC voltage V dc of the battery 7 and the motor rotation speed N are input, and the d-axis current command value i d * and The q-axis current command value i q * is obtained.
  • the d-axis current and the q-axis current defined in the table are a d-axis current and a q-axis current that obtain a desired torque when the motor temperature is 25 ° C. obtained in advance by experiment or analysis.
  • the current command values i d * and i q * are current command values in the current control mode.
  • the interference voltage generation unit 2 stores a table that defines the relationship between the torque command value T * , the DC voltage V dc of the battery 7, the motor rotation speed N, and the d-axis and q-axis interference voltages.
  • the command value T * , the DC voltage V dc of the battery 7 and the motor rotational speed N are input, and the d-axis interference voltage V d_dcpl * and the q-axis interference voltage V q _dcpl * are obtained by referring to the above table.
  • the current vector controller 3 includes a d-axis current command value i d * and a q-axis current command value i q * , a d-axis current detection value i d and a q-axis current command value i q, and a d-axis interference voltage V d_dcpl *. Based on the q-axis interference voltage V q_dcpl * , vector current control by known non-interference control and current feedback control is performed to calculate the d-axis voltage command value V di * and the q-axis voltage command value V qi * .
  • the voltage command values V di * and V qi * are voltage command values in the current control mode.
  • the voltage amplitude generation unit 13 obtains a voltage amplitude command value V a * in the voltage phase control mode by a method described later.
  • Torque calculator 15 the magnet flux ⁇ a_25 °C in motor temperature 25 ° C. which is previously stored, the inductance difference of the d-axis and q-axis in the motor temperature 25 °C (L d -L q) 25 °C, and, d-axis current
  • the command value i d * and the q-axis current command value i q * are input, and the estimated torque value T cal of the electric motor 9 is calculated by the following equation (1).
  • Equation (1) p is the number of pole pairs of the electric motor 9.
  • the inductance difference between the d-axis and the q-axis (L d ⁇ L q ) 25 ° C. at the motor temperature of 25 ° C. is obtained by the inductance generator 14.
  • the torque controller 16 inputs a difference between the torque command value T * and the estimated torque value T cal and calculates a value obtained by PI amplification by the following equation (2) as a voltage phase command value ⁇ * .
  • a K p is a proportional gain in formula (2)
  • K i is an integral gain.
  • the dq-axis voltage generation unit 17 inputs the voltage amplitude command value V a * obtained by the voltage amplitude generation unit 13 and the voltage phase command value ⁇ * calculated by the torque controller 16, and the following equation (3)
  • the d-axis voltage command value V dv * and the q-axis voltage command value V qv * are calculated.
  • the voltage command values V dv * and V qv * are voltage command values in the voltage phase control mode.
  • the current control transition determination unit 20 includes a d-axis current command value i d * and a q-axis current command value i q * obtained by the current command generation unit 1, and a d-axis current detection value i d and a q-axis current command value i q. And whether or not to shift from the voltage phase control mode to the current control mode is determined based on the magnitude relationship between the current command value and the detected current in the current control mode.
  • FIG. 2 is a block diagram illustrating processing performed inside the current control transition determination unit 20.
  • the d-axis current command value i d * and the q-axis current command value i q * are subjected to filter processing corresponding to the normative response by the norm response filter 21 in consideration of the transient state, By obtaining the sum of squares, ia_LPF 2 is calculated. Further, by calculating the sum of squares of the detected d-axis current value i d and the q-axis current command value i q , i a 2 is calculated. Then, as shown in Table 1, if i a_LPF 2 is larger than i a 2 , it is determined that the voltage phase control mode does not shift to the current control mode. If i a_LPF 2 is equal to or less than i a 2 , the voltage phase control mode is determined. Is determined to shift to the current control mode, and a control mode switching request is output.
  • the voltage phase control transition determination unit 19 performs transition determination from the current control mode to the voltage phase control mode.
  • the threshold value T ref set on the high rotation high torque side from the range where the switching from the voltage phase control mode to the current control mode occurs is stored in advance as a table using the motor rotation speed and the DC voltage of the battery 7 as an index,
  • the torque command value T * is equal to or greater than the threshold value T ref obtained by referring to the table, it is determined that the current control mode is shifted to the voltage phase control mode, and a control mode switching request is output.
  • control mode determination unit 21 When the control mode switching request is output from the current control transition determination unit 20 or the voltage phase control transition determination unit 19, the control mode determination unit 21 outputs the control mode after switching to the control mode switch 18.
  • the control mode switch 18 is input from the control mode determination unit 21 among the voltage command values V di * and V qi * based on the current control mode and the voltage command values V dv * and V qv * based on the voltage phase control mode.
  • a voltage command value corresponding to the control mode is selected and output to the dq axis / UVW phase converter 4 as the d axis voltage command value V d * and the q axis voltage command value V q * .
  • the dq-axis / UVW phase converter 4 calculates the d-axis voltage command value V d * and the q-axis voltage command value V q * based on the electrical angle ⁇ of the rotor detected by the position detector 10 according to the following formula ( 4) is converted into three-phase voltage command values Vu *, Vv *, and Vw *.
  • the PWM converter 5 performs dead time compensation and voltage utilization rate improvement processing (both are publicly known), and power element drive signals of the inverter 6 corresponding to the three-phase voltage command values V u * , V v * , V w *. D uu * , D ul * , D vu * , D vl * , D wu * and D wl * are generated.
  • a battery 7 is connected to the inverter 6, and the battery voltage V dc is detected by a DC voltage sensor.
  • the inverter 6 converts the DC voltage of the battery 7 from the pseudo AC voltages V u , V v , V wl * , D wl * , D vl * , D wu * , D wl * based on the power element driving signals D uu * , D ul * , D vu * , D vl * , D wl * . Convert to V w and output.
  • the pseudo-alternating voltages V u , V v and V w converted by the inverter 6 are applied to the electric motor 9.
  • Current sensor 8 of the current flowing through each phase of the motor 9, any two-phase current, for example, detects the U-phase current i u and the V-phase current i v.
  • the remaining one-phase current that is not detected, for example, the W-phase current i w can be calculated based on the following equation (5).
  • the UVW phase / dq axis converter 12 is based on i u , i v detected by the current sensor 8 based on the electrical angle ⁇ of the rotor of the electric motor 9 detected by the position detector 10, and Equation (5).
  • the calculated i w is converted into a d-axis current i d and a q-axis current i q based on the following equation (6).
  • the rotation speed calculator 11 calculates the rotation speed N of the electric motor 9 from the amount of change per hour of the electrical angle ⁇ detected by the position detector 10.
  • FIG. 3 is a diagram defining the relationship between the rotational speed N of the electric motor 9 and the voltage amplitude command value V a * in the voltage phase control mode.
  • the voltage amplitude Va at the lowest temperature and the voltage amplitude Va at the highest temperature in the operation guarantee range of the electric motor 9 are shown together with the voltage amplitude Va in the current control mode at the reference temperature (25 ° C.).
  • the control in the current control mode is performed in the low rotation region, and the control in the voltage phase control mode is performed in the high rotation region where the flux weakening control is performed.
  • the voltage amplitude Va increases as the motor rotation speed increases, and the voltage amplitude Va reaches the upper limit when the rotation speed exceeds a certain rotation speed.
  • the rate of increase of the voltage amplitude Va with respect to the increase in the motor rotation speed varies depending on the temperature of the electric motor 9, and the upper limit value of the voltage amplitude Va also varies depending on the temperature of the electric motor 9. Specifically, when the temperature is lower than the reference temperature, the increasing rate of the voltage amplitude Va is larger than the increasing rate of the voltage amplitude Va at the reference temperature, and the upper limit value of the voltage amplitude is the upper limit of the voltage amplitude at the reference temperature. Greater than the value.
  • the rate of increase of the voltage amplitude Va is smaller than the rate of increase of the voltage amplitude Va at the reference temperature, and the upper limit value of the voltage amplitude is higher than the upper limit value of the voltage amplitude at the reference temperature. small.
  • FIG. 4 is a diagram for explaining the behavior when the switching mode is switched by the conventional control device described in JP3683135B.
  • the control mode is switched from the voltage phase control mode to the current control mode when the phase of the detected current reaches a phase where the torque / current ratio becomes maximum.
  • the voltage amplitude Va in the current control mode changes due to a temperature change or manufacturing variation of the electric motor 9.
  • the voltage amplitude Va does not change sharply when the control mode is switched. That is, when there is no temperature change or manufacturing variation of the electric motor 9, when the motor rotation speed decreases from the high rotation side, the voltage phase control mode is switched to the current control mode at the point P1, so the control mode is switched.
  • the voltage amplitude Va does not change sharply.
  • the voltage phase control mode is switched from the voltage phase control mode to the current control mode at the point P2, so that the voltage amplitudes before and after switching of the control mode do not match.
  • the voltage amplitude Va changes abruptly.
  • the temperature of the electric motor 9 is higher than the reference temperature (25 ° C.)
  • the voltage amplitude Va changes sharply because the voltage phase control mode is switched to the current control mode at the point P3.
  • FIG. 5 is a diagram for explaining the behavior when the switching mode is switched by the motor control device according to the embodiment.
  • the motor control apparatus even when there is a temperature change or manufacturing variation of the motor 9, if the motor rotation speed decreases, the voltage amplitude command value V a * in the voltage phase control mode and the current There is a point where the voltage amplitude Va in the control mode matches.
  • the feedback control configuration allows torque fluctuation due to magnetic flux change.
  • the motor control device determines the transition from the voltage phase control mode to the current control mode based on the current amplitude value.
  • the voltage phase control mode is switched to the current control mode at point P4, and the control is performed.
  • the voltage amplitude Va does not change abruptly when the mode is switched.
  • the voltage phase control mode is switched to the current control mode at the point P5.
  • the voltage phase control is performed at the point P6. Switch from mode to current control mode. As shown in FIG. 5, even when the temperature of the electric motor 9 changes, a sharp change in voltage amplitude does not occur when switching from the voltage phase control mode to the current control mode.
  • FIG. 6 is a flowchart showing the control contents in the voltage phase control mode and the current control mode. If the current control mode is the voltage phase control mode, the process of step S10 is started. If the current control mode is the current control mode, the process of step S100 is started.
  • step S10 torque command value T * , d-axis current command value i d * and q-axis current command value i q * , d-axis current detection value i d and q-axis current command value i q , rotor electrical angle ⁇
  • the motor rotation speed N and the DC voltage V dc of the battery 7 are acquired.
  • step S20 i a 2 and i a_LPF 2 are calculated (see FIG. 2).
  • step S30 i a 2 calculated in step S20 is equal to or i a_LPF 2 or more. If it is determined that i a 2 is greater than or equal to i a_LPF 2 , the process proceeds to step S130 in order to switch the control mode from the voltage phase control mode to the current control mode. If it is determined that i a 2 is less than i a_LPF 2 , the process proceeds to step S40 in order to continue the processing in the voltage phase control mode.
  • step S40 the voltage amplitude command value V a * is calculated by the voltage amplitude generator 13, and the inductance difference between the d-axis and the q-axis (L d ⁇ L q ) 25 ° C. is obtained by the inductance generator.
  • step S50 the torque calculator 15 calculates the estimated torque value T cal of the electric motor 9 from the equation (1).
  • step S60 the torque controller 16 calculates the voltage phase command value ⁇ * from the equation (2) based on the difference between the torque command value T * and the estimated torque Tcal .
  • step S70 the dq-axis voltage generation unit 17 calculates the d-axis voltage command value V dv * and the q-axis voltage command value from Equation (3) based on the voltage amplitude command value V a * and the voltage phase command value ⁇ *.
  • V qv * is calculated.
  • the control mode switch 18 converts the d-axis voltage command value V dv * and the q-axis voltage command value V qv * into the d-axis voltage command value V d * and the q-axis voltage command value V q * , and a dq-axis / UVW phase converter. 4 is output.
  • step S80 the dq-axis / UVW phase converter 4 converts the d-axis voltage command value V d * and the q-axis voltage command value V q * into the three-phase voltage command values V u * , V v from equation (4). * , Converted to V w * .
  • step S100 the torque command value T * , the d-axis current detection value i d and the q-axis current command value i q , the rotor electrical angle ⁇ , the motor rotation speed N, and the DC voltage V dc of the battery 7 are acquired.
  • step S110 the voltage phase control transition determination unit 19 obtains a threshold value T ref .
  • step S120 it is determined whether or not the torque command value T * is greater than or equal to a threshold value Tref . If it is determined that the torque command value T * is equal to or greater than the threshold value T ref , the process proceeds to step S40 to shift the control mode from the current control mode to the voltage phase control mode. If it is determined that the torque command value T * is less than the threshold value T ref , the process proceeds to step S130 in order to continue the current control mode process.
  • step S130 the current command generator 1 determines the d-axis current command value i d * and the q-axis current command value i q * .
  • step S140 the current vector controller 3 calculates the d-axis voltage command value V di * and the q-axis voltage command value V qi * .
  • the control mode switching unit 18 converts the d-axis voltage command value V di * and the q-axis voltage command value V qi * into the d-axis voltage command value V d * and the q-axis voltage command value V q * as a dq-axis / UVW phase converter. 4 is output.
  • step S150 the dq-axis / UVW phase converter 4 converts the d-axis voltage command value V d * and the q-axis voltage command value V q * into the three-phase voltage command values V u * , V v according to equation (4). * , Converted to V w * .
  • FIG. 7 is a diagram illustrating an example of a control result by the motor control device according to the embodiment.
  • FIG. 7 shows control mode switching timing, voltage amplitude Va, and current amplitude Ia over time when the motor rotation speed increases and decreases while the torque command value remains constant.
  • the current control mode is applied.
  • the voltage amplitude Va also increases.
  • the negative d-axis current is increased and field weakening control is performed, so that the current amplitude Ia increases and the increase in the voltage amplitude Va is suppressed.
  • the torque command value T * becomes equal to or greater than the threshold value Tref , and the control mode is switched from the current control mode to the voltage phase control mode.
  • the mode is switched to the voltage phase control mode, the voltage amplitude Va is increased, so that the weakening current is decreased and the current amplitude Ia is decreased.
  • the voltage amplitude command value V a * is decreased and the current amplitude decrease rate is suppressed.
  • the amplitude of the command value approaches the amplitude of the current command value in current control.
  • the torque of the electric motor 9 is the product of the magnetic flux vector and the current vector, when the magnet temperature of the electric motor 9 changes, the torque changes due to the change of the magnetic flux.
  • the current is controlled to be constant, but in the voltage phase control, since the current is not controlled, the current is also changed. Therefore, the voltage phase control mode and the current control mode have different torque sensitivities with respect to changes in the motor temperature.
  • the torque is estimated based on the same temperature condition as the precondition for generating the current command value in the current control mode, and the voltage phase is fed back, so that the sensitivity of the torque to the temperature change of the motor is achieved. Can be made equivalent to those in the current control mode, and the steady torque between the control modes can be made to coincide.
  • the voltage amplitude command value in the voltage phase control mode is set so that the voltage amplitude intersects in the current control mode and the voltage phase control mode, and the current command value amplitude in the current control mode and the voltage phase control mode are detected.
  • the voltage phase control mode is switched to the current control mode at the timing when the amplitude of the current that has been crossed.
  • the motor torque, d-axis voltage and q-axis voltage, d-axis current and q-axis current can all be switched without any step, and torque steps and shocks associated with switching the control mode can be suppressed. it can.
  • the control mode changes from the voltage phase control mode to the current. If the control mode is not switched, the control for forcibly switching to the current control mode is also performed.
  • FIG. 8 is a diagram for explaining a situation where the control mode is forcibly switched to the current control mode when the control mode is not switched from the voltage phase control mode to the current control mode even if the motor rotation speed is reduced to a predetermined rotation speed. is there.
  • a line 81 indicates the voltage amplitude in the current control mode when the temperature of the electric motor 9 becomes a high temperature exceeding the guaranteed operating range.
  • the current control mode is forcibly set. Switch to. If the temperature and manufacturing variation of the electric motor 9 are within the operation guarantee range, the predetermined rotation number is set in advance to an appropriate value based on the motor rotation number at which the voltage phase control mode is switched to the current control mode.
  • the motor control device generates a current command value to the motor 9 based on the motor constant and the torque command value corresponding to the predetermined temperature, and supplies the current to the motor 9 so as to follow the current command value.
  • a torque estimation value of the motor 9 is calculated by using current control means (current command generator 1, current vector controller 3) for executing a current control mode for controlling the applied voltage, and a motor constant corresponding to a predetermined temperature.
  • voltage phase control means (a torque calculator 15, a torque controller 16, a dq axis voltage generator 17) that executes a voltage phase control mode in which the voltage phase is feedback-operated.
  • a determination method for determining switching from the voltage phase control mode to the current control mode based on the magnitude relationship between the current command value and the detected current in the current control mode.
  • control transition determination unit 20 Current control transition determination unit 20
  • control mode switching means control mode determination unit 21, control mode switch 18 for switching between current control mode control and voltage phase control mode control based on the determination result by the determination unit.
  • the voltage amplitude command value in the voltage phase control mode is larger than the voltage amplitude realized in the current control mode in the application region of the voltage phase control mode, and the voltage realized in the current control mode in the application region of the current control mode. It is set to be less than the amplitude.
  • the voltage phase control mode is switched to the current control mode.
  • the torque is estimated based on the same temperature condition as the precondition for generating the current command value in the current control mode, and the voltage phase is fed back, so that before and after the control mode switching. Therefore, the torque and current amplitude and phase, and the voltage amplitude and phase do not change before and after the control mode switching, and torque steps and shocks can be suppressed.
  • the motor control device in the motor control device according to the embodiment, if the determination to switch from the voltage phase control mode to the current control mode is not performed even when the rotation speed of the motor 9 is equal to or lower than the predetermined rotation speed, Thus, the voltage phase control mode is switched to the current control mode. As a result, it is possible to prevent a decrease in control accuracy that occurs when the voltage phase control mode is continued, and a mechanical resonance that does not cause a problem in the current control mode.
  • the present invention is not limited to the above-described embodiment, and various modifications and applications are possible.
  • the motor constant at 25 ° C. as the motor constant corresponding to the predetermined temperature
  • the example has been described, but the predetermined temperature is not limited to 25 ° C.

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  • Control Of Ac Motors In General (AREA)

Abstract

Le dispositif de commande d'un moteur électrique présente : une fonction permettant de produire, sur la base d'une constante de moteur électrique et d'une valeur de commande de couple correspondant à une température prédéfinie, une valeur de commande de courant pour le moteur électrique et d'exécuter un mode de commande de courant pour commander une tension appliquée au moteur électrique de sorte que la tension suive la valeur de commande de courant ; et une autre fonction permettant de calculer une valeur estimée de couple du moteur électrique à l'aide de la constante du moteur électrique correspondant à la température prédéfinie et d'exécuter, sur la base de l'écart entre la valeur estimée de couple calculé et la valeur de commande de couple, un mode de commande de phase de tension permettant de réalimenter une phase de tension. Le dispositif de commande du moteur électrique détermine également la commutation des modes de commande en fonction de la relation de grandeur entre la valeur de commande de courant dans le mode de commande de courant et un courant détecté et met en œuvre une commutation des modes de commande. Une valeur de commande de grandeur de tension au cours du mode de commande de phase de tension est supérieure à une grandeur de tension au cours du mode de commande de courant dans une région dans laquelle le mode de commande de phase de tension est appliqué et est inférieure ou égale à la grandeur de tension au cours du mode de commande de courant dans une région dans laquelle le mode de commande de courant est appliqué.
PCT/JP2014/077558 2013-12-03 2014-10-16 Dispositif de commande de moteur électrique et procédé de commande WO2015083449A1 (fr)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019154143A (ja) * 2018-03-02 2019-09-12 株式会社東芝 モータ駆動装置
CN111213316A (zh) * 2017-10-31 2020-05-29 株式会社爱发科 真空泵及其控制方法
CN111418144A (zh) * 2017-11-28 2020-07-14 日产自动车株式会社 电动机的控制方法以及电动机的控制装置
CN111418146A (zh) * 2017-12-01 2020-07-14 日产自动车株式会社 电动机的控制方法以及电动机的控制装置

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