WO2011096051A1 - 回転電機の制御装置および回転電機の制御方法 - Google Patents
回転電機の制御装置および回転電機の制御方法 Download PDFInfo
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- WO2011096051A1 WO2011096051A1 PCT/JP2010/051476 JP2010051476W WO2011096051A1 WO 2011096051 A1 WO2011096051 A1 WO 2011096051A1 JP 2010051476 W JP2010051476 W JP 2010051476W WO 2011096051 A1 WO2011096051 A1 WO 2011096051A1
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- rotating electrical
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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
- H02P27/08—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 with pulse width modulation
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- the present invention relates to PWM control of a rotating electrical machine having a three-phase coil, and in particular, determines a carrier frequency spreading width according to the rotational speed of the rotating electrical machine, and changes the carrier frequency within the determined spreading width.
- the present invention relates to a technique for avoiding noise generation.
- a power conversion device using a PWM (Pulse Width Modulation) modulation method is known as a power conversion device used for driving a rotating electrical machine having a three-phase coil.
- PWM Pulse Width Modulation
- harmonic noise due to on / off of the switching element may occur.
- a technique for spreading the energy of harmonic noise to a wide frequency band by spreading the carrier frequency and reducing the peak level of the harmonic noise is known.
- Patent Document 1 discloses a power conversion device and a power conversion method capable of making the harmonic noise of the carrier frequency more uniform.
- This power conversion device compares a command value with a command value output means for outputting a command value, a carrier wave output means for outputting a carrier wave, a carrier frequency changing means for changing the frequency of the carrier wave, and the comparison result.
- a control signal generating unit configured to generate a control signal based on the output signal; and an output unit configured to output an output value based on the control signal.
- the carrier frequency changing means decreases the difference between one value and the value adjacent to the one value when the plurality of values are arranged in ascending or descending order, as one value of the plurality of values increases. It is characterized by doing.
- the harmonic noise of the carrier frequency can be made more uniform.
- An object of the present invention is to provide a rotating electrical machine control device and a rotating electrical machine control method that suppress the occurrence of noise by suppressing duplication of a plurality of sideband components generated around a carrier frequency when the rotating electrical machine is driven. It is.
- a control device for a rotating electrical machine is a control device for a rotating electrical machine having a three-phase coil.
- the control device includes a detection unit for detecting the rotation speed of the rotating electrical machine, and a plurality of sideband waves generated around the carrier frequency when the rotating electrical machine is driven based on the rotation speed of the rotating electrical machine detected by the detection unit.
- a determining unit for determining a spreading width of the carrier frequency so that components do not overlap; a carrier generating unit for generating a carrier signal by changing the carrier frequency within the range of the spreading width determined by the determining unit;
- a pulse width modulation unit for executing pulse width modulation based on the command voltage and the carrier signal and generating a pulse signal for driving the rotating electrical machine.
- the determination unit sets the diffusion width so that the diffusion width when the rotation speed of the rotating electrical machine is the first rotation speed is larger than the diffusion width when the rotation speed is the second rotation speed smaller than the first rotation speed. decide.
- the determination unit determines the diffusion width so that the diffusion width changes in proportion to the rotation speed of the rotating electrical machine between the first rotation speed and the second rotation speed.
- the determination unit determines the diffusion width so that the diffusion width changes stepwise with respect to the rotation speed of the rotating electrical machine between the first rotation speed and the second rotation speed.
- the carrier generation unit generates a carrier signal by randomly changing the carrier frequency within the range of the spreading width determined by the determination unit.
- the carrier generation unit generates a carrier signal by changing the carrier frequency along the sine wave within the range of the diffusion width determined by the determination unit.
- the carrier generation unit generates a carrier signal by changing the carrier frequency so as to change stepwise within the range of the spreading width determined by the determination unit.
- a control method for a rotating electrical machine is a control method for a rotating electrical machine having a three-phase coil.
- the carrier frequency is set so that a plurality of sideband components generated around the carrier frequency at the time of driving the rotating electrical machine do not overlap.
- the step of determining the spreading width, the step of generating the carrier signal by changing the carrier frequency within the range of the spreading width, and the pulse width modulation based on the command voltage and the carrier signal are executed to drive the rotating electrical machine Generating a pulse signal for.
- the present invention by determining the spreading width in proportion to the rotational speed of the rotating electrical machine, when the carrier frequency is changed within the range of the spreading width, a plurality of sideband components generated around the carrier frequency are obtained. Since duplication can be suppressed, generation of beat sounds can be suppressed.
- FIG. 6 is a diagram (part 2) showing a change in the carrier frequency diffusion width determined depending on the motor rotation speed;
- FIG. 6 is a diagram (part 3) illustrating a change in a carrier frequency diffusion width determined depending on a motor rotation speed;
- vehicle 1 includes drive wheel 10, motor 20, inverter 30, switching circuit 32, boost converter 40, power storage device 50, ECU 100, and rotation speed detection sensor 102.
- the control device for the rotating electrical machine according to the present embodiment is realized by ECU 100.
- the motor 20 generates torque for driving the drive wheels 10 of the vehicle 1 that is an electric vehicle (referred to as a vehicle that generates vehicle driving force by electric energy such as a hybrid vehicle, an electric vehicle, and a fuel cell vehicle). It is the rotary electric machine which has a three-phase coil for doing.
- an electric vehicle referred to as a vehicle that generates vehicle driving force by electric energy such as a hybrid vehicle, an electric vehicle, and a fuel cell vehicle. It is the rotary electric machine which has a three-phase coil for doing.
- the motor 20 may be configured to have a function of a generator driven by an engine in addition to a function as an electric motor that generates a vehicle driving force. Furthermore, the motor 20 operates as an electric motor for the engine, and may be incorporated in a hybrid vehicle so that the engine can be started, for example.
- the motor 20 is a three-phase synchronous motor, and one end of each of the three coils of the U, V, and W phases is commonly connected to the neutral point. Further, the other end of each phase coil is connected to the inverter 30.
- the power storage device 50 is typically a rechargeable DC power source such as a secondary battery such as nickel metal hydride or lithium ion or an electric double layer capacitor.
- Boost converter 40 operates to turn on or off a switching element included in boost converter 40 by a switching circuit (not shown) that operates based on a converter control signal from ECU 100 during drive control of motor 20 (hereinafter referred to as switching).
- the DC voltage from the power storage device 50 is boosted and supplied to the inverter 30, or the DC voltage from the inverter 30 is stepped down and supplied to the power storage device 50 during regenerative control of the motor 20. .
- the inverter 30 performs a switching operation by the switching circuit 32 during drive control of the motor 20 to convert DC power from the boost converter 40 into AC power and supply the AC power to the motor 20 or during regenerative control of the motor 20.
- AC power from 20 is converted into DC power and supplied to the boost converter 40.
- Switching circuit 32 performs a switching operation on a switching element included in inverter 30 based on an inverter control signal from ECU 100.
- Rotational speed detection sensor 102 detects the rotational speed of the motor 20.
- the rotation speed detection sensor 102 transmits a signal indicating the detected rotation speed of the motor 20 to the ECU 100.
- the rotation speed detection sensor 102 for example, a rotation angle sensor (resolver) that detects the rotor rotation angle (electrical angle) of the motor 20 may be used.
- the ECU 100 may calculate the rotation speed of the motor 20 based on the rotation angle received from the rotation angle sensor. Further, the rotational speed detection sensor 102 may be omitted by directly calculating the rotational speed from the motor voltage or current in the ECU 100.
- the ECU 100 operates the motor 20 by software processing and / or hardware processing by a dedicated electronic circuit by executing a program stored in advance in a memory 104 provided therein by a CPU (Central Processing Unit) (not shown). .
- a CPU Central Processing Unit
- the ECU 100 determines the motor 20 based on the torque command value, the voltage and current of the power storage device 50, the voltage output from the boost converter 40 to the inverter 30, the current of the motor 20, the rotational speed of the motor 20, and the like. Controls the operations of step-up converter 40 and inverter 30 so as to output torque according to the torque command value. That is, ECU 100 generates a converter control signal and an inverter control signal for controlling operations of boost converter 40 and inverter 30, and transmits them to the switching circuit of boost converter 40 and switching circuit 32 of inverter 30, respectively.
- inverter 30 includes a U-phase upper and lower arm 15, a V-phase upper and lower arm 16, and a W-phase upper and lower arm 17 provided in parallel between positive electrode bus 7 and negative electrode bus 5.
- Each phase upper and lower arm includes a switching element connected in series between the positive electrode bus 7 and the negative electrode bus 5.
- U-phase upper / lower arm 15 includes switching elements Q1, Q2.
- V-phase upper and lower arm 16 includes switching elements Q3 and Q4.
- W-phase upper and lower arm 17 includes switching elements Q5 and Q6.
- antiparallel diodes D1-D6 are connected to switching elements Q1-Q6, respectively.
- Switching elements Q1-Q6 are turned on / off by switching control signals SG1-SG6 from switching circuit 32.
- an IGBT Insulated Gate Bipolar Transistor
- a power MOS Metal Oxide Semiconductor
- a power bipolar transistor or the like can be used as a switching element used in the inverter 30 and the converter 40.
- inverter 30 converts the DC voltage from boost converter 40 to AC by switching operation of switching elements Q1-Q6 in response to switching control signals SG1-SG6 from switching circuit 32.
- the motor 20 is driven so as to convert it into a voltage and output a positive torque.
- the inverter 30 converts the DC voltage from the boost converter 40 into an AC voltage by the switching operation in response to the switching control signals SG1 to SG6, so that the torque becomes zero.
- the motor 20 is driven so that it becomes.
- the torque command value of the motor 20 is set to a negative value.
- inverter 30 converts the AC voltage generated by motor 20 into a DC voltage by a switching operation in response to switching control signals SG1-SG6, and supplies the converted DC voltage to boost converter 40.
- the regenerative control here refers to the control of the motor 20 during braking with regenerative power generation when the driver operating the vehicle performs a foot brake operation, and the accelerator pedal is not operated while the vehicle is running. This includes control of the motor 20 when charging the power storage device 50 by decelerating (or stopping acceleration) the vehicle while performing regenerative power generation by turning it off.
- ECU100 performs PWM control in order to make switching circuit 32 generate switching control signals SG1-SG6 to be supplied to inverter 30.
- PWM control on / off of switching elements of each phase of the inverter 30 is controlled based on a voltage comparison between a carrier wave (carrier signal) and an AC voltage command of U phase, V phase and W phase based on a torque command value. .
- a pulse width modulation voltage as a pseudo sine wave voltage is applied to each phase of the motor 20.
- the carrier signal can be constituted by, for example, a triangular wave or a sawtooth wave.
- the frequency of the carrier signal (hereinafter referred to as the carrier frequency) is randomly changed within a predetermined spreading width range indicated by a broken line in FIG. 3 centering on the reference frequency f (0), for example.
- the carrier frequency is randomly changed within a predetermined spreading width range indicated by a broken line in FIG. 3 centering on the reference frequency f (0), for example.
- the energy of the harmonic noise of the carrier frequency can be diffused in a wide frequency band, and the peak level of the harmonic noise can be reduced.
- 3 represents the rotational speed of the motor 20, and the horizontal axis in FIG. 3 represents the carrier frequency.
- the two sideband components of the carrier frequency may overlap as shown in the hatched area in FIG.
- the vertical axis in FIG. 4 indicates the rotation speed of the motor 20, and the horizontal axis in FIG. 4 indicates the frequency.
- the current harmonic component has a first harmonic component in which the peak level frequency decreases as the rotational speed of the motor 20 increases, and a peak as the rotational speed of the motor 20 increases. And a second harmonic component in which the frequency of the level rises.
- the first sideband component of the carrier frequency indicated by the broken line in FIG. 4 decreases with the change of the first harmonic component, and the frequency band of the sideband component above a predetermined level decreases as the rotation speed of the motor 20 increases. To go.
- the second sideband component of the carrier frequency indicated by the one-dot chain line in FIG. 4 is the frequency band of the sideband component of a predetermined level or higher as the rotational speed of the motor 20 increases, similarly to the change of the second harmonic component. Will rise.
- the predetermined level refers to a level at which a beat sound can be generated when two sideband components overlap.
- FIG. 5 shows the frequency distribution of the first sideband component and the second sideband component when the rotational speed of the motor 20 is Nb smaller than Na.
- the vertical axis in FIG. 5 indicates the level, and the horizontal axis in FIG. 5 indicates the frequency.
- the first sideband component shown by the broken line in FIG. 5 and the first dashed line shown in FIG. A beat sound is generated by overlapping with the two sideband components.
- the ECU 100 determines the carrier frequency diffusion width based on the rotational speed of the motor 20 detected by the rotational speed detection sensor 102 so that sideband components of the carrier frequency do not overlap, A point in which a carrier signal is generated by changing a carrier frequency within the range of the determined spreading width, and a pulse signal for driving the motor 20 is generated by performing pulse width modulation based on the AC voltage command and the carrier signal. It has the characteristics.
- ECU 100 determines the diffusion width so that the diffusion width when the rotation speed of motor 20 is the first rotation speed is larger than the diffusion width when the rotation speed is the second rotation speed smaller than the first rotation speed. .
- the ECU 100 determines the diffusion width so that the diffusion width changes in proportion to the rotation speed between the first rotation speed and the second rotation speed. Further, ECU 100 generates a carrier signal by randomly changing the carrier frequency within the range of the determined spreading width.
- FIG. 6 shows a functional block diagram of ECU 100 that is a control device for the rotating electrical machine according to the present embodiment.
- ECU 100 includes a diffusion width determination unit 152, a carrier frequency determination unit 154, a PWM carrier generation unit 156, and a pulse width modulation unit 158.
- the diffusion width determination unit 152 determines the diffusion width of the carrier frequency according to the rotation speed of the motor 20. For example, the relationship between the rotation speed and the diffusion width shown in FIG. 7 is stored in advance as a map. The diffusion width determination unit 152 determines the diffusion width based on the rotation speed of the motor 20 and the stored map.
- the horizontal axis in FIG. 7 indicates the carrier frequency
- the vertical axis in FIG. 7 indicates the rotational speed of the motor 20.
- the diffusion width A (1) when the rotational speed of the motor 20 is Nm (1) is Nm (2) when the rotational speed of the motor 20 is smaller than Nm (1). It is larger than the diffusion width A (2).
- the diffusion width determining unit 152 determines the diffusion width so as to change in proportion to the rotational speed of the motor 20 at least between Nm (1) and Nm (2). Preferably, it is desirable to determine the diffusion width so as to change in proportion to the rotation side of the motor 20 from the start of driving of the motor 20 until a predetermined rotational speed is reached. This is because the overlap of a plurality of sideband components occurs in a low rotation region below a predetermined rotation speed.
- the carrier frequency determining unit 154 determines the final carrier frequency by randomly changing the carrier frequency within the spreading width determined by the spreading width determining unit 152.
- the carrier frequency determination unit 154 calculates an upper limit value and a lower limit value of a carrier frequency range that is randomly changed based on the determined spreading width.
- carrier frequency determining section 154 calculates an upper limit value and a lower limit value of the carrier frequency that are randomly changed so as to be symmetric with respect to reference frequency f (0).
- the carrier frequency determination unit 154 calculates a value obtained by adding a half value of the determined spreading width to the reference frequency f (0) as an upper limit value, and the spreading determined from the reference frequency f (0). A value obtained by subtracting half the width is calculated as the lower limit value.
- the reference frequency f (0) may be a predetermined frequency or a frequency determined according to the state of the vehicle.
- the carrier frequency determination unit 154 determines the final carrier frequency by randomly changing the carrier frequency within the range between the calculated upper limit value and lower limit value.
- a value calculated using a random function may be output using a filter or the like, and a value between the upper limit value and the lower limit value may be output.
- a function that randomly outputs a value between the upper limit value and the lower limit value may be used, or the carrier frequency is randomly changed using other known methods. You may do it.
- PWM carrier generation unit 156 generates a carrier signal based on the final carrier frequency determined by carrier frequency determination unit 154.
- the PWM carrier generation unit 156 transmits the generated carrier signal to the pulse width modulation unit 158.
- the pulse width modulation unit 158 performs pulse width modulation based on the AC voltage command for each phase and the carrier signal received from the PWM carrier generation unit 156, and outputs a pulse signal for each phase for driving the motor 20. Generate.
- the pulse width modulation unit 158 transmits the generated pulse signal to the switching circuit 32.
- the switching circuit 32 generates switching control signals SG1 to SG2 for turning on or off the switching elements of the upper and lower arms of each phase of the inverter 30 according to the received pulse signal, and transmits them to the inverter 30.
- a pseudo sine wave voltage corresponding to the pulse width modulation voltage is applied to each phase of the motor 20.
- diffusion width determination unit 152 all execute a program stored in memory 104 by CPU of ECU 100. Although it is described as functioning as software realized by doing so, it may be realized by hardware. Such a program is recorded on a storage medium and mounted on the vehicle.
- step (hereinafter, step is referred to as S) 100 ECU 100 detects the rotational speed of motor 20.
- S102 ECU 100 determines the diffusion width from the detected rotation speed of motor 20 and the map shown in FIG.
- ECU 100 determines a final carrier frequency based on reference frequency f (0) and the determined spreading width. Since the method for determining the carrier frequency is as described above, detailed description thereof will not be repeated.
- ECU 100 In S106, ECU 100 generates a carrier signal based on the determined final carrier frequency. In S108, ECU 100 executes pulse width modulation based on each phase AC voltage command and the carrier signal, generates a pulse signal, and transmits the generated pulse signal to switching circuit 32.
- ECU 100 that is the control device for the rotating electrical machine according to the present embodiment based on the above-described structure and flowchart will be described.
- the ECU 100 determines the diffusion width according to the detected rotational speed of the motor 20 (S100, S102). The ECU 100 determines the diffusion width by changing the diffusion width so as to increase in proportion to the increase in the rotational speed of the motor 20.
- ECU100 determines the final carrier frequency changed at random within the range of the determined spreading
- FIG. 9 shows a change in the frequency band of the sideband component above a predetermined level with respect to the rotation speed of the motor 20 when the carrier frequency diffusion width is determined based on the rotation speed of the motor 20.
- the vertical axis in FIG. 9 indicates the rotational speed of the motor 20, and the horizontal axis in FIG. 9 indicates the frequency.
- the diffusion width is determined to be smaller as the rotation speed of the motor 20 is lower, and the diffusion width is determined to be larger as the rotation speed of the motor 20 is higher.
- the frequency band of the first sideband component equal to or higher than the predetermined level of the carrier frequency shown by the broken line in FIG. 9 becomes narrower as the rotational speed of the motor 20 is lower, and widens as the rotational speed of the motor 20 becomes higher.
- the frequency band of the second sideband component equal to or higher than a predetermined level of the carrier frequency shown by the one-dot chain line in FIG. 9 becomes narrower as the rotation speed of the motor 20 is lower, and as the rotation speed of the motor 20 increases It changes to spread.
- FIG. 10 shows frequency distributions of the first sideband component and the second sideband component when the rotation speed of the motor 20 is Nb.
- the vertical axis in FIG. 10 indicates the noise level
- the horizontal axis in FIG. 10 indicates the frequency.
- the first sideband component indicated by the broken line in FIG. 10 when the carrier frequency is randomly changed within the range of the spreading width determined based on the rotation speed, the first sideband component indicated by the broken line in FIG.
- the peak width of the second sideband component indicated by the alternate long and short dash line is narrower than the first sideband component and the second sideband component shown in FIG. Therefore, since the overlap between the first sideband component and the second sideband component at a predetermined level or higher is avoided, the generation of beat sound is suppressed.
- the control device for a rotating electrical machine when the carrier frequency is randomly changed by determining the diffusion width in proportion to the rotation speed of the motor, the carrier frequency Duplication of sideband components can be avoided. Therefore, it is possible to suppress the generation of beat sounds due to overlapping sideband components. Therefore, it is possible to provide a rotating electrical machine control device and a rotating electrical machine control method that suppress the occurrence of noise by avoiding the overlap of sideband components of the carrier frequency during PWM control of the rotating electrical machine.
- the overlap of the first sideband component and the second sideband component that tend to occur when the rotation speed of the motor 20 is low by limiting the spread width of the carrier frequency than when the rotation speed of the motor 20 is high. It can be avoided.
- the harmonic noise can be made uniform over a wide frequency band.
- the carrier frequency diffusion width has been described as being determined in proportion to the rotational speed of the motor.
- the first sideband component and the second sideband component that are equal to or higher than a predetermined level are described.
- the ratio is not particularly limited.
- the spread width of the carrier frequency may change stepwise with respect to the rotation speed of the motor 20 as shown in FIG. 11, or the rotation speed of the motor 20 may be changed in advance as shown in FIG.
- the diffusion width is determined in proportion to the rotation speed of the motor, and when the rotation width is larger than the predetermined rotation speed, the diffusion width may be set to a constant value. Alternatively, it may be changed according to a non-linear function determined in advance with respect to the rotational speed of the motor.
- the carrier signal is generated by randomly changing the carrier frequency within the range of the determined spreading width, but if the carrier frequency can be spread within the range of the spreading width, It is not limited to changing randomly.
- a carrier signal may be generated by changing the carrier frequency along a sine wave within the determined spread width, or the carrier frequency may be changed stepwise within the determined spread width.
- a carrier signal may be generated.
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Abstract
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Claims (8)
- 3相コイルを有する回転電機(20)の制御装置であって、
前記回転電機(20)の回転速度を検出するための検出部(102)と、
前記検出部(102)によって検出された前記回転電機(20)の回転速度に基づいて、前記回転電機(20)の駆動時にキャリア周波数を中心として発生する複数の側帯波成分が重複しないようにキャリア周波数の拡散幅を決定するための決定部(152)と、
前記決定部(152)によって決定された前記拡散幅の範囲内でキャリア周波数を変化させてキャリア信号を発生させるためのキャリア発生部(156)と、
指令電圧と前記キャリア信号とに基づいてパルス幅変調を実行して、前記回転電機(20)を駆動させるためのパルス信号を発生させるためのパルス幅変調部(158)とを含む、回転電機の制御装置。 - 前記決定部(152)は、前記回転電機(20)の回転速度が第1回転速度である場合の前記拡散幅が前記第1回転速度よりも小さい第2回転速度である場合の前記拡散幅よりも大きくなるように前記拡散幅を決定する、請求の範囲第1項に記載の回転電機の制御装置。
- 前記決定部(152)は、前記第1回転速度と前記第2回転速度との間において、前記拡散幅が前記回転電機の回転速度に対して比例して変化するように前記拡散幅を決定する、請求の範囲第2項に記載の回転電機の制御装置。
- 前記決定部(152)は、前記第1回転速度と前記第2回転速度との間において、前記拡散幅が前記回転電機(20)の回転速度に対してステップ的に変化するように前記拡散幅を決定する、請求の範囲第2項に記載の回転電機の制御装置。
- 前記キャリア発生部(156)は、前記決定部(152)によって決定された前記拡散幅の範囲内でランダムにキャリア周波数を変化させて前記キャリア信号を発生させる、請求の範囲第1項に記載の回転電機の制御装置。
- 前記キャリア発生部(156)は、前記決定部(152)によって決定された前記拡散幅の範囲内で正弦波に沿ってキャリア周波数を変化させて前記キャリア信号を発生させる、請求の範囲第1項に記載の回転電機の制御装置。
- 前記キャリア発生部(156)は、前記決定部(152)によって決定された前記拡散幅の範囲内でステップ的に変化するようにキャリア周波数を変化させて前記キャリア信号を発生させる、請求の範囲第1項に記載の回転電機の制御装置。
- 3相コイルを有する回転電機(20)の制御方法であって、
前記回転電機(20)の回転速度を検出するステップと、
前記回転電機(20)の回転速度に基づいて、前記回転電機(20)の駆動時にキャリア周波数を中心として発生する複数の側帯波成分が重複しないようにキャリア周波数の拡散幅を決定するステップと、
前記拡散幅の範囲内でキャリア周波数を変化させてキャリア信号を発生させるステップと、
指令電圧と前記キャリア信号とに基づいてパルス幅変調を実行して、前記回転電機(20)を駆動させるためのパルス信号を発生させるステップとを含む、回転電機の制御方法。
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US13/574,133 US8912742B2 (en) | 2010-02-03 | 2010-02-03 | Control device for rotating electric machine and method of controlling rotating electric machine |
PCT/JP2010/051476 WO2011096051A1 (ja) | 2010-02-03 | 2010-02-03 | 回転電機の制御装置および回転電機の制御方法 |
EP10845188.1A EP2533417B1 (en) | 2010-02-03 | 2010-02-03 | Apparatus for controlling rotating electrical machine and method for controlling rotating electrical machine |
JP2011552606A JP5472327B2 (ja) | 2010-02-03 | 2010-02-03 | 回転電機の制御装置および回転電機の制御方法 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015106979A (ja) * | 2013-11-29 | 2015-06-08 | 日産自動車株式会社 | スイッチング制御装置 |
JP2017085847A (ja) * | 2015-10-30 | 2017-05-18 | 富士重工業株式会社 | 回転電機制御装置 |
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EP2533417A1 (en) | 2012-12-12 |
JPWO2011096051A1 (ja) | 2013-06-06 |
US20120286716A1 (en) | 2012-11-15 |
EP2533417B1 (en) | 2016-07-20 |
EP2533417A4 (en) | 2015-02-25 |
JP5472327B2 (ja) | 2014-04-16 |
US8912742B2 (en) | 2014-12-16 |
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