WO2012067229A1 - 電動機の位置制御装置 - Google Patents
電動機の位置制御装置 Download PDFInfo
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- WO2012067229A1 WO2012067229A1 PCT/JP2011/076660 JP2011076660W WO2012067229A1 WO 2012067229 A1 WO2012067229 A1 WO 2012067229A1 JP 2011076660 W JP2011076660 W JP 2011076660W WO 2012067229 A1 WO2012067229 A1 WO 2012067229A1
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- 238000001514 detection method Methods 0.000 claims abstract description 24
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 230000001172 regenerating effect Effects 0.000 claims abstract description 7
- 230000004043 responsiveness Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 13
- 230000003111 delayed effect Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
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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
- H02P21/0003—Control strategies in general, e.g. linear type, e.g. P, PI, PID, using robust control
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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
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/0004—Control strategies in general, e.g. linear type, e.g. P, PI, PID, using robust control
-
- 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
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/12—Observer control, e.g. using Luenberger observers or Kalman filters
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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
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/18—Controlling the angular speed together with angular position or phase
Definitions
- the present invention relates to an electric motor position control device, and more particularly to a control system for controlling the position of an electric motor having current control and speed control in a minor loop and using position control as a major loop.
- FIG. 10 shows a schematic configuration diagram of a position control device, where 1 is a position control unit, 2 is a speed control unit, 3 is a current control unit, and 4 is a mechanical characteristic unit of a rotating body that is a controlled object (electric motor). Is shown.
- a deviation signal between the angle command ⁇ ref and the angle detection ⁇ dy, which is a setting input of the position control device, is input to the position controller 1, and the angular velocity command ⁇ ref is calculated in the position controller 1.
- the calculated angular velocity command ⁇ ref is obtained as a difference signal from the angular velocity detection ⁇ dy in the subtracting unit 6 and input to the speed control unit 2 to calculate the torque current command Tdy.
- the mechanical characteristic section 4 of the rotating body is controlled via the current control section 3, and the angular velocity detection ⁇ dy of the mechanical characteristic section 4 of the rotating body at that time is fed back to the subtracting section 6 and the angular velocity command ⁇ ref A difference operation is performed. Further, the angle detection ⁇ dy of the mechanical characteristic unit 4 is fed back to the subtraction unit 5 and a difference calculation with the angle command ⁇ ref is executed.
- Patent Document 1 and the like are well known for performing position control as described above.
- This Patent Document 1 includes a vibration suppression compensator for suppressing vibrations of the mechanical system, even when the parameters of the resonance / antiresonance frequency of the mechanical system are unknown, and a speed command and a speed detection signal obtained by calculation, Is input to a vibration suppression compensator to generate a speed command compensation signal, and the sum of this compensation signal and the speed command basic signal is used as a speed signal.
- the position control by the electric motor has a speed control system in the minor loop and the position control in the major loop.
- P proportional
- I integral
- the speed is controlled.
- P control In the position control of the major loop, the position is controlled by P control.
- FIG. 11 shows a command value and its response characteristic diagram in the conventional position control device shown in FIG. 10, wherein (a) is an angle detection value characteristic with respect to the angle command value, (b) is a rotation speed characteristic, (c ) Shows the torque characteristics. Since the motor that is the controlled body has a torque torque range that can be output, the current control unit 2 is provided with a torque limiter to limit the torque as shown in FIG. For this reason, as shown in FIG. 11 (c), when an angle command ⁇ ref (see line (a) in FIG. 11A) is input such that the torque current command Tdy is limited to a torque current limiter of ⁇ 100%.
- the angle detection ⁇ dy indicated by the line A overshoots, whereby the rotational speed and torque indicated by (b) greatly fluctuate, and so-called “wind-up” vibration and overshoot phenomenon occur.
- an object of the present invention is to provide a position control device that enables highly responsive position control with respect to a command value.
- a deviation signal based on an angle command and an angle detection value is input to the position control unit to calculate an angular velocity command, and a deviation signal between the angular velocity command and the detected angular velocity value is input to the speed control unit.
- a disturbance observer unit that inputs a torque current command and an angular velocity detection value to estimate a signal corresponding to a disturbance torque, and a disturbance observer output value by the disturbance observer unit and a rate of change of upper and lower limit values with respect to the angle command
- a rate-of-change limiting unit having a limiter for limiting, and a target value filter unit configured to pass an angular velocity command from the position control unit configured with a control gain equivalent to the speed control unit It is.
- the change rate limiter upper limit value of the change rate limiting unit is obtained by subtracting the output absolute value of the disturbance observer unit from the rated maximum drive torque of the electric motor and multiplying by the sampling period. Is divided by the proportional gain of the motor inertia and position control unit, and the change rate limiter lower limit value of the change rate limiting unit is obtained by adding the rated maximum regenerative torque of the motor and the output absolute value of the disturbance observer unit. The sampling period is multiplied, and this multiplied value is divided by the motor inertia and the proportional gain of the position control unit.
- a low-pass filter is provided on the output side of the limiter of the change rate limiting unit.
- the disturbance observer unit estimates a difference signal between the detected angular velocity value and the torque current command as equivalent to a disturbance torque.
- the angular velocity command is calculated by inputting an angle command and a deviation signal based on the detected angle value to the position control unit, and the deviation signal between the angular velocity command and the detected angular velocity value is input to the speed control unit. And calculating the torque current command, and controlling the control object via the current control unit based on the torque current command, A speed limiter for speed limitation and a target value filter unit configured to pass an angular velocity command that has passed through the speed limiter and is configured with a control gain equivalent to the speed control unit are provided on the output side of the position control unit. It is a feature.
- the upper limit value of the angular speed limiter of the speed limiter is a value obtained by dividing the rated maximum drive torque of the motor by the proportional gain of the motor inertia and the position control unit
- the lower limit value of the angular speed limiter of the speed limiter is The rated maximum regenerative torque of the motor is divided by the motor inertia and the proportional gain of the position control unit.
- the speed limiter is provided with an angular velocity limiter upper / lower limit determining unit for changing an upper limit value of the angular velocity limiter and a lower limit value of the angular velocity limiter.
- FIG. 1 is a configuration diagram of a position control device showing a first embodiment of the present invention.
- FIG. 6 is a command value step response diagram according to the first embodiment.
- the block diagram of the position control apparatus which shows the 2nd Example of this invention.
- the block diagram of the position control apparatus which shows the 3rd Example of this invention.
- the present invention provides a limiter in the position control device, and reduces the amount of overshoot of the position detection value with respect to the angular velocity command that changes suddenly by appropriately setting the upper limit value and the lower limit value of the limiter. Based on an Example, it explains in full detail.
- FIG. 1 is a block diagram showing an embodiment of the present invention.
- a change rate limiting unit 7 receives the angle command ⁇ ref [rad / s] and the disturbance observer output value Tobs and outputs the change rate limited position command ⁇ cmd to the subtracting unit 5.
- Reference numeral 8 is a target value filter unit, and 9 is a disturbance observer unit.
- the disturbance observer unit 9 calculates a disturbance observer output value Tobs from the torque current command Tdy and the angular velocity detection ⁇ dy [rad / s].
- the position control is P control and the speed control is IP control will be described.
- the current control unit 3 may be expressed by the following equation.
- J motor inertia [kgm 2 ]
- D rotation loss [Nms / rad]
- KP ⁇ is a proportional gain of the position controller
- KI ⁇ is an integral gain of the speed controller
- KP ⁇ is a proportional gain of the speed controller
- Equation (5) (KI ⁇ * KP ⁇ ) / ⁇ Js 3 + (KP ⁇ + D) s 2 + KI ⁇ s + (KI ⁇ * KP ⁇ ) ⁇ (5) It becomes.
- the denominator polynomial of equation (5) is a cubic equation, and the first to third coefficients of the equation in which the denominator is divided by the constant term KI ⁇ * KP ⁇ and the constant term is 1 are independent with respect to KI ⁇ , KP ⁇ , and KP ⁇ . It has become.
- KP ⁇ 1 / c1 (6)
- KP ⁇ (c2 * J / c3) ⁇ D (7)
- KI ⁇ c1 * J / c3 (8)
- the target value filter unit 8 has a gain characteristic of KI ⁇ / (KP ⁇ s + KP ⁇ ).
- each parameter is determined by the equations (6) to (8). This is equivalent to the IP control structure of the speed controller 2.
- Change rate limiter unit 7 shown in FIG. 1 is configured to velocity limiter upper limit as shown in FIG. 2 ( ⁇ - Rate - Lim - H) is a (9), the change rate limiter lower limit value (theta - Rate - Lim - L) is expressed by equation (10).
- the disturbance observer output value Tobs calculated by the disturbance observer unit 9 is converted into an absolute value by the absolute value conversion unit 72 via the torque limiter 70 and the low-pass filter 71.
- the absolute value on the other hand, is subjected to a difference calculation with the rated maximum drive torque Tmax [Nm] of the electric motor, multiplied by a preset sampling period Ts [sec] (in the multiplication unit 73), Divide by the inertia J and the proportional gain KP ⁇ of the position controller 1.
- the signal obtained by the division is input to the limiter 77 and becomes the upper limit value of the change rate limiter.
- the absolute value is also added to the set rated maximum regenerative torque Tmin [Nm] of the motor, and is multiplied by the sampling period in the multiplier 74.
- the multiplication value is divided by the proportional element 76 by the motor inertia J and the proportional gain KP ⁇ of the position control unit 1, and the obtained signal is output to the limiter 77 and becomes the lower limit value of the change rate limiter. That is, the rate-of-change limiting unit 7 is set to limit the rate of change giving priority to the disturbance observer, and is controlled so that the speed control is not applied to the torque limiter.
- the angle command ⁇ ref input to the rate-of-change limiting unit 7 is subtracted from the rate-of-change limit position command ⁇ cmd of the previous sample delayed by one sampling by the delay circuit 79 in the subtracting unit 78 and input to the limiter 77.
- the limiter 77 outputs a signal proportional to the input signal between the set upper and lower limit values, and the signal is added to the previous sample value delayed by one sample by the delay circuit 79 in the adder to change the rate-of-change limit position command ⁇ cmd. And output to the subtracting unit 5.
- a deviation signal from the angle detection ⁇ dy of the mechanical characteristic unit 4 fed back is obtained and input to the target value filter unit 8 via the position control unit 1.
- the angular velocity command ⁇ ref that has passed through the target value filter unit 8 is subtracted from the angular velocity detection ⁇ dy of the mechanical characteristic unit 4 fed back by the subtraction unit 6 and input to the speed control unit 2, and the torque current command Tdy is calculated to control the current. Is output to the unit 3 and the disturbance observer unit 9.
- the disturbance observer unit 9 is configured as shown in FIG. That is, the angular velocity detection ⁇ dy is input to the element 91, the torque current command Tdy is input to the element 92, and a difference signal between the two is obtained by the subtractor 93 to estimate a signal corresponding to the disturbance torque.
- G (s) is an arbitrary transfer function having a relative degree of 1 or more, and s is a differential operation expressed by a Laplace operator s.
- FIG. 4 shows a command value step response by position control of the embodiment shown in FIG. 1.
- (a) is an angle detection value characteristic with respect to an angle command value
- (b) is a rotation speed characteristic
- (c) is a torque.
- Each characteristic is shown.
- the occurrence of overshoot as in the conventional case is reduced in the detected value (line A) for the angle command value input in a step shape indicated by line A, and accordingly, the rotation speed, and Torque fluctuation is greatly suppressed.
- the position control can be performed stably and with high response, and the overshoot amount of the position command value and the position detection value can be reduced with respect to the target value response. is there. Further, by subtracting the disturbance observer output value Tobs from the rated maximum drive torque Tmax, there is an effect that position control with priority to the disturbance torque becomes possible.
- FIG. 5 shows a second embodiment, in which a speed limiter 10 and a target value filter unit 8 are provided in the position control device shown in FIG.
- the speed limiter 10 includes an angular speed limiter upper limit determination unit 11 and an angular speed limiter lower limit determination unit 12. Others are the same as FIG.
- Angular velocity limiter upper limit by the speed limiter 10 ⁇ - Lim - H is the (11) equation
- the angular velocity limiter lower limit omega - Lim - L is configured as (12).
- the angular velocity limiter upper limit value ⁇ ⁇ Lim ⁇ H is obtained by dividing the rated maximum drive torque Tmax by the motor inertia J and the proportional gain KP ⁇ of the position control unit 1. Further, the angular velocity limiter lower limit omega - Lim - L is calculated by dividing the rated maximum regenerative torque Tmin motor inertia J, and a proportional gain KP ⁇ position control section 1.
- the target value filter unit 8 is equivalent to the IP control structure of the speed control unit 2 as in FIG.
- an angular velocity command ⁇ ref obtained by multiplying the deviation signal between the angle command ⁇ ref and the angle detection ⁇ dy by a proportional gain is input to the velocity limiter 10, whereby the angular velocity limiter upper limit value ⁇ ⁇ Lim ⁇ H
- An angular velocity command value ⁇ cmd limited to the angular velocity limiter lower limit value ⁇ ⁇ Lim ⁇ L is generated.
- This angular velocity command value ⁇ cmd is output to the subtraction unit 6 through the target value filter unit 8 and is subjected to a difference calculation with the angular velocity detection ⁇ dy, and then input to the speed control unit 2 to calculate the torque current command Tdy and calculate the current.
- the electric motor is controlled via the control unit 3.
- An angular velocity limiter lower judgment unit 12, Ext - L> If it is determined (Tmin / J ⁇ KP ⁇ ) and is switched from the terminal b'the a', the angular velocity limiter lower limit omega - Lim - L is omega - Lim ⁇ L Tmin / J ⁇ KP ⁇ .
- FIG. 6 shows the command value step response by the position control of the embodiment shown in FIG. 5, where (a) shows the angle detection value characteristic with respect to the angle command value, (b) shows the rotation speed characteristic, and (c) shows the torque.
- Each characteristic is shown.
- the occurrence of overshoot as in the conventional case is reduced in the detected value indicated by the line A with respect to the angle command value input in a step shape indicated by the line A, and the rotational speed, And torque fluctuation is greatly suppressed.
- the position control can be performed stably and with a high response, and the position response to the target value response can be achieved. It is possible to reduce the overshoot amount of the command value and the position detection value. Further, by providing an arbitrary upper and lower limit value of the angular velocity limiter, an operation as an overspeed prevention function can be performed.
- FIG. 7 shows a third embodiment. This embodiment differs from the first embodiment shown in FIG. 1 in that a low-pass filter LPF is provided on the output side of the change rate limiting unit 7a.
- FIG. 8 shows a configuration diagram of the change rate limiting unit 7a. A low pass filter LPF is provided on the output side of the limiter 77, and the change rate position limit command ⁇ cmd is obtained through the low pass filter LPF. . The rest is the same as in FIG.
- FIG. 9 shows a command value step response by position control according to the third embodiment.
- the position command value and the overshoot amount of position detection can be further reduced as compared with the first embodiment, Highly responsive position control control is possible.
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Abstract
Description
前記トルク電流指令と角速度検出値を入力して外乱トルク相当の信号を推定する外乱オブザーバ部と、この外乱オブザーバ部による外乱オブザーバ出力値を入力して前記角度指令に対して上下限値の変化率制限を行うリミッタを有する変化率制限部と、前記速度制御部と等価な制御ゲインにて構成されて前記位置制御部からの角速度指令を通過させる目標値フィルタ部を設けたことを特徴としたものである。
前記位置制御部の出力側に速度制限用の速度リミッタと、前記速度制御部と等価な制御ゲインにて構成されて前記速度リミッタを通過した角速度指令を通過させる目標値フィルタ部を設けたことを特徴としたものである。
電流制御部3は、位置制御部1及び速度制御部2の周波数帯域に影響を与えない高応答とするためには次式のようにすればよい。
ωref=KPθ*(θref-θdy) …(1)
ωdy=θdy*s …(2)
Tdy={(KIω/s)*(ωref-ωdy)}-(KPω*ωdy) …(3)
(Js+D)ωdy=Tdy …(4)
ここで、Jはモータ慣性[kgm2]、Dは回転損失[Nms/rad]、KPθは位置制御部の比例ゲイン、KIωは速度制御部の積分ゲイン、KPωは速度制御部の比例ゲイン、sはラプラス演算子である。
θdy/θref=(KIω*KPθ)/{Js3+(KPω+D)s2+KIωs+(KIω*KPθ)} …(5)
となる。
(5)式の分母多項式は3次式であり、定数項KIω*KPθで分母式を割って定数項を1とした式の1次から3次の係数は、KIω、KPθ、KPωに関しては独立になっている。したがって、(5)式の分母多項式が1+c1*s+c2*s2+c3*s3になるよう係数比較を行うと、
KPθ=1/c1 …(6)
KPω=(c2*J/c3)-D …(7)
KIω=c1*J/c3 …(8)
となるようパラメータKPθ、KPω、KIωを決定すればよい。
例えば、全ての極がダンピング係数1となる二項計数型
(s+1)3=1+3*s+3*s2+1*s3を求め、sをs/wsで置き換え、その係数をc1,c2,c3とすると、二項計数型では、c1=3/wc,c2=3/wc2,c3=1/wc3となる。このc1~c3に対して、(6)~(8)式で示される位置制御部1及び速度制御部2の各パラメータKPθ、KPω、KIωを決定する。目標値フィルタ部8は、KIω/(KPωs+KPθ)のゲイン特性を有し、速度制御が図1で示すPI制御構造にすると、各パラメータは(6)式~(8)式により決定されて速度制御部2のI-P制御構造と等価にされている。
モータ慣性J及び位置制御部1の比例ゲインKPθで除算され、得られた信号は
リミッタ77に出力されて変化率リミッタの下限値となる。
すなわち、変化率制限部7は外乱オブザーバを優先とした変化率制限とされており、速度制御がトルクリミッタにかからないよう制御される。
目標値フィルタ部8を通過した角速度指令ωrefは、減算部6においてフィードバックされた機械特性部4の角速度検出ωdyと減算されて速度制御部2に入力され、トルク電流指令Tdyが算出されて電流制御部3と外乱オブザーバ部9に出力される。
角速度検出ωdyを入力し、要素92にトルク電流指令Tdyを入力して減算部93で両者の差信号を得ることで外乱トルク相当の信号を推定している。ここで、
G(s)は相対次数1次以上の任意の伝達関数とされ、sは微分演算をラプラス演算子sにより表現したものである。
他は図10と同様である。
速度リミッタ10による角速度リミッタ上限値ω-Lim-Hは(11)式とされ、角速度リミッタ下限値ω-Lim-Lは(12)式のように構成される。
また、角速度リミッタ下限値ω-Lim-Lは、定格最大回生トルクTminをモータ慣性J、及び位置制御部1の比例ゲインKPθで除算することで求めている。
なお、目標値フィルタ部8は、図1と同様に速度制御部2のI-P制御構造と等価にされている。
角速度リミッタ上限判定部11において、Ext-H>(Tmax/J・KPθ)と判定された場合には端子bからaに切り替り、角速度リミッタ上限値ω-Lim-Hを、
ω-Lim-H=Tmax/J・KPθに設定する。
角速度リミッタ下限判定部12において、Ext-L>(Tmin/J・KPθ)と判定された場合には、端子b´からa´に切り替り、角速度リミッタ下限値ω-Lim-Lは、ω-Lim-L=Tmin/J・KPθとなる。
また、任意の角速度リミッタ上下限値を設けることにより、過速度防止機能としての動作が可能となるものである。
Claims (7)
- 角度指令と角度検出値による偏差信号を位置制御部に入力して角速度指令を算出し、この角速度指令と角速度検出値の偏差信号を速度制御部に入力してトルク電流指令を算出し、このトルク電流指令を基に電流制御部を介して制御対象物を制御するものにおいて、
前記トルク電流指令と角速度検出値を入力して外乱トルク相当の信号を推定する外乱オブザーバ部と、この外乱オブザーバ部による外乱オブザーバ出力値を入力して前記角度指令に対して上下限値の変化率制限を行うリミッタを有する変化率制限部と、前記速度制御部と等価な制御ゲインにて構成されて前記位置制御部からの角速度指令を通過させる目標値フィルタ部を設けたことを特徴とした電動機の位置制御装置。 - 前記変化率制限部の変化率リミッタ上限値は、電動機の定格最大駆動トルクから前記外乱オブザーバ部の出力絶対値を減算してサンプリング周期を乗算し、この乗算値を電動機慣性及び位置制御部の比例ゲインで除算した値とすると共に、前記変化率制限部の変化率リミッタ下限値は、電動機の定格最大回生トルクと前記外乱オブザーバ部の出力絶対値を加算してサンプリング周期を乗算し、この乗算値を電動機慣性及び位置制御部の比例ゲインで除算した値としたことを特徴とした請求項1記載の電動機の位置制御装置。
- 前記外乱オブザーバ部は、前記角速度検出値と前記トルク電流指令
との差信号を外乱トルク相当として推定することを特徴とした請求項1又は2記載の電動機の位置制御装置。 - 前記変化率制限部のリミッタの出力側にローパスフィルタを設けたことを特徴とした請求項1乃至3の何れかに記載の電動機の位置制御装置。
- 角度指令と角度検出値による偏差信号を位置制御部に入力して角速度指令を算出し、この角速度指令と角速度検出値の偏差信号を速度制御部に入力してトルク電流指令を算出し、このトルク電流指令を基に電流制御部を介して制御対象物を制御するものにおいて、
前記位置制御部の出力側に速度制限用の速度リミッタと、前記速度制御部と等価な制御ゲインにて構成されて前記速度リミッタを通過した角速度指令を通過させる目標値フィルタ部を設けたことを特徴とした電動機の位置制御装置。 - 前記速度リミッタの角速度リミッタ上限値は、電動機の定格最大駆動トルクを電動機慣性及び位置制御部の比例ゲインで除算した値とし、前記速度リミッタの角速度リミッタ下限値は、電動機の定格最大回生トルクを電動機慣性及び位置制御部の比例ゲインで除算した値としたことを特徴とした請求項5記載の電動機の位置制御装置。
- 前記速度リミッタに、角速度リミッタの上限値及び角速度リミッタの下限値可変用の角速度リミッタ上下限判定部を設けたことを特徴とした請求項6記載の電動機の位置制御装置。
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CN201180055367.8A CN103222183B (zh) | 2010-11-19 | 2011-11-18 | 用于电动机的位置控制设备 |
US13/885,865 US9143073B2 (en) | 2010-11-19 | 2011-11-18 | Position control device for electric motor |
KR1020137012932A KR101402873B1 (ko) | 2010-11-19 | 2011-11-18 | 전동기의 위치제어장치 |
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JP2010258420A JP5644409B2 (ja) | 2010-11-19 | 2010-11-19 | 電動機の位置制御装置 |
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JP (1) | JP5644409B2 (ja) |
KR (1) | KR101402873B1 (ja) |
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KR101623652B1 (ko) | 2014-10-29 | 2016-05-23 | 엘지전자 주식회사 | 모터제어장치 |
JP6497408B2 (ja) * | 2017-04-14 | 2019-04-10 | 株式会社明電舎 | 電気慣性制御装置 |
US10830591B2 (en) | 2018-03-23 | 2020-11-10 | The Boeing Company | System and method for dual speed resolver |
US10911061B2 (en) * | 2018-03-23 | 2021-02-02 | The Boeing Company | System and method for demodulation of resolver outputs |
US10673368B2 (en) | 2018-03-23 | 2020-06-02 | The Boeing Company | System and method for pulse-width modulation using an adjustable comparison criterion |
US10913550B2 (en) * | 2018-03-23 | 2021-02-09 | The Boeing Company | System and method for position and speed feedback control |
JP7050624B2 (ja) * | 2018-08-24 | 2022-04-08 | 日立Astemo株式会社 | モータ制御装置及びこれを備えた電動ブレーキ装置 |
JP7125887B2 (ja) * | 2018-10-19 | 2022-08-25 | 日立Astemo株式会社 | ベクトル制御装置 |
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- 2011-11-18 KR KR1020137012932A patent/KR101402873B1/ko active IP Right Grant
- 2011-11-18 CN CN201180055367.8A patent/CN103222183B/zh active Active
- 2011-11-18 US US13/885,865 patent/US9143073B2/en active Active
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JP2002325473A (ja) * | 2001-04-26 | 2002-11-08 | Yaskawa Electric Corp | 振動抑制装置 |
JP2005204472A (ja) * | 2004-01-19 | 2005-07-28 | Yaskawa Electric Corp | サーボ制御装置およびその限界ゲイン抽出方法 |
Also Published As
Publication number | Publication date |
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CN103222183B (zh) | 2015-09-02 |
CN103222183A (zh) | 2013-07-24 |
JP5644409B2 (ja) | 2014-12-24 |
KR101402873B1 (ko) | 2014-06-03 |
US20130229137A1 (en) | 2013-09-05 |
US9143073B2 (en) | 2015-09-22 |
KR20130085044A (ko) | 2013-07-26 |
JP2012110166A (ja) | 2012-06-07 |
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