JP2000341991A - Controller for permanent magnet type synchronous motor - Google Patents
Controller for permanent magnet type synchronous motorInfo
- Publication number
- JP2000341991A JP2000341991A JP11147455A JP14745599A JP2000341991A JP 2000341991 A JP2000341991 A JP 2000341991A JP 11147455 A JP11147455 A JP 11147455A JP 14745599 A JP14745599 A JP 14745599A JP 2000341991 A JP2000341991 A JP 2000341991A
- Authority
- JP
- Japan
- Prior art keywords
- axis current
- voltage
- permanent magnet
- synchronous motor
- magnet type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Control Of Ac Motors In General (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は永久磁石型同期電動
機のトルク制御に関するもので，特に電力変換器の電圧
飽和による不安定現象を抑制すると同時に最大効率で永
久磁石型同期電動機を運転するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to torque control of a permanent magnet type synchronous motor, and more particularly to a method of controlling a permanent magnet type synchronous motor with maximum efficiency while suppressing an unstable phenomenon caused by voltage saturation of a power converter. is there.
【０００２】[0002]
【従来の技術】図２は従来の一例を示すブロック線図で
以下にその技術を説明する。図２において,電力変換器
１は，永久磁石型同期電動機（以下ＰＭモータ）２に電
力を供給する。電流検出器３は，ＰＭモータ２の入力電
流ｉを検出して成分分配器６に出力する。成分分配器６
は，位置検出器４で検出されたＰＭモータ２の回転子の
永久磁石の位置情報Ｐで入力電流ｉを座標変換して，前
記永久磁石の方向の成分のｄ軸電流ｉｄと前記永久磁石
の方向と直交する成分のｑ軸電流ｉｑとを出力する。2. Description of the Related Art FIG. 2 is a block diagram showing an example of the related art, and the technique will be described below. In FIG. 2, a power converter 1 supplies power to a permanent magnet type synchronous motor (hereinafter, PM motor) 2. The current detector 3 detects an input current i of the PM motor 2 and outputs it to the component distributor 6. Component distributor 6
Translates the input current i with the position information P of the permanent magnet of the rotor of the PM motor 2 detected by the position detector 4, and converts the d-axis current id of the component in the direction of the permanent magnet and the d-axis current id of the permanent magnet. A q-axis current iq of a component orthogonal to the direction is output.
【０００３】また,トルク指令Ｔｃとｄ軸電流ｉｄより
トルク指令変換器８で演算されるｑ軸電流指令ｉｑｃ
と,最大効率ｄ軸電流計算器１２で演算される最大効率
運転条件を満たすｄ軸電流指令ｉｄｃに,それぞれｑ軸
電流ｉｑとｄ軸電流ｉｄが追従するような電圧指令Ｖｃ
を電流制御器５は出力する。電力変換器１はその電圧指
令通りの電圧を誘導電動機２に印加する。この様にする
ことで，ＰＭモータ２の出力トルクは，トルク指令Ｔｃ
に追従するように制御される。最大効率ｄ軸電流計算器
１２では，次に示す数１を用いて最大効率で運転できる
ｄ軸電流ＩｄＭを計算し，ｄ軸電流指令ｉｄｃとして出
力する。A q-axis current command iqc calculated by the torque command converter 8 from the torque command Tc and the d-axis current id
And a voltage command Vc such that the q-axis current iq and the d-axis current id follow the d-axis current command idc satisfying the maximum efficiency operation condition calculated by the maximum efficiency d-axis current calculator 12, respectively.
Is output from the current controller 5. The power converter 1 applies a voltage according to the voltage command to the induction motor 2. By doing so, the output torque of the PM motor 2 becomes equal to the torque command Tc.
Is controlled to follow. The maximum efficiency d-axis current calculator 12 calculates the d-axis current IdM that can be operated at the maximum efficiency by using the following equation 1, and outputs the calculated d-axis current IdM as the d-axis current command idc.
【０００４】[0004]
【数１】 (Equation 1)
【０００５】数１は，例えば平成６年の電気学会論文誌
Ｄ,１１４巻６号,６６３頁の（５）式にも記載されてい
るように，ＰＭモータを最大効率運転する条件式であ
る。ここでＬｄはＰＭモータの永久磁石の方向のインダ
クタンス成分であり，ＬｑはＰＭモータの永久磁石の方
向と直交する方向のインダクタンス成分であり，φは永
久磁石の磁束であり，ｉｑｆは，前記ｑ軸電流指令ｉｑ
ｃを用いる。[0005] Equation 1 is a conditional expression for maximally efficient operation of the PM motor, as described in, for example, equation (5) of IEEJ Transactions D, Vol. 114, No. 6, page 663, 1994. . Here, Ld is the inductance component in the direction of the permanent magnet of the PM motor, Lq is the inductance component in the direction orthogonal to the direction of the permanent magnet of the PM motor, φ is the magnetic flux of the permanent magnet, and iqf is the q Shaft current command iq
Use c.
【０００６】[0006]
【発明が解決しようとする課題】電力変換器１がＰＭモ
ータ２に印加できる電圧には限界があり，電流制御器５
の出力する電圧指令Ｖｃがその限界の電圧より大きくな
った場合，最大電圧が低いために電流制御に必要な電圧
がＰＭモータ２に印加されないので，ｑ軸電流ｉｑやｄ
軸電流ｉｄがそれらの指令のｉｑｃやｉｄｃに追従しな
くなり，ＰＭモータ２の出力トルクがトルク指令Ｔｃに
追従しなくなる。The voltage that the power converter 1 can apply to the PM motor 2 is limited, and the current controller 5
When the voltage command Vc output by the controller becomes larger than the limit voltage, the voltage necessary for the current control is not applied to the PM motor 2 because the maximum voltage is low, so that the q-axis current iq or d
The shaft current id does not follow these commands iqc and idc, and the output torque of the PM motor 2 does not follow the torque command Tc.
【０００７】トルク指令Ｔｃが変化すると，ｑ軸電流指
令ｉｑｃが変化し，それに応じて最大効率ｄ軸電流計算
器の出力のｄ軸電流指令ｉｄｃも変化する。すると当然
ｄ軸電流ｉｄも変化することになる。ｑ軸電流指令ｉｑ
ｃは，ｄ軸電流ｉｄを用いて計算されているので，ｑ軸
電流指令ｉｑｃがまた変化することになり，同じトルク
指令状態を維持していても，ｑ軸電流指令ｉｑｃが持続
振動をする恐れがあり，不安定になる恐れがある本発明
は，上記問題点を解決するためになされたものである。When the torque command Tc changes, the q-axis current command iqc changes, and the d-axis current command idc of the output of the maximum efficiency d-axis current calculator changes accordingly. Then, the d-axis current id naturally changes. q-axis current command iq
Since c is calculated using the d-axis current id, the q-axis current command iqc changes again, and the q-axis current command iqc continuously vibrates even if the same torque command state is maintained. The present invention, which may cause instability and instability, has been made to solve the above problems.
【０００８】[0008]
【課題を解決するための手段】上記問題点を解決するた
めに，前記電力変換器に入力される電圧指令の大きさが
前記電力変換器が前記永久磁石型同期電動機に印加する
ことのできる最大電圧を越えた時「−１」となり，そう
でない時「１」となる電圧飽和信号を出力する飽和検出
器と，前記飽和検出器の出力の電圧飽和信号が「１」の
時は前記ｄ軸電流を所定の上限値まで徐々に正方向に増
加させ，前記電圧飽和信号が「−１」の時は前記ｄ軸電
流を所定の下限値まで徐々に負の方向に増加させる磁束
電流調整器とを具備する。In order to solve the above problems, the magnitude of the voltage command input to the power converter is limited to the maximum that the power converter can apply to the permanent magnet type synchronous motor. A saturation detector which outputs a voltage saturation signal which becomes "-1" when the voltage is exceeded and "1" otherwise, and the d-axis when the voltage saturation signal of the output of the saturation detector is "1" A flux current regulator for gradually increasing the current in a positive direction to a predetermined upper limit value, and for gradually increasing the d-axis current in a negative direction to a predetermined lower limit value when the voltage saturation signal is “−1”; Is provided.
【０００９】請求項２において，前記飽和検出器の出力
の電圧飽和信号が１の時に前記ｄ軸電流を所定の上限値
まで徐々に正方向に増加させる速さよりも，前記電圧飽
和信号が−１の時に前記ｄ軸電流を所定の下限値まで徐
々に負の方向に増加させる速さの方を速くした磁束電流
調整器を具備する。According to a second aspect of the present invention, when the voltage saturation signal at the output of the saturation detector is 1, the voltage saturation signal is -1 more than the speed at which the d-axis current is gradually increased in the positive direction to a predetermined upper limit value. A magnetic flux current adjuster in which the d-axis current is gradually increased in the negative direction to a predetermined lower limit in the negative direction.
【００１０】請求項３において，前記ｑ軸電流またはそ
の指令値を入力して前記永久磁石型同期電動機の最大効
率運転条件を満たす前記ｄ軸電流に相当する値を計算す
る最大効率ｄ軸電流計算器を具備し，該最大効率ｄ軸電
流計算器の出力を所定の上限値とする磁束電流調整器を
具備する。4. A maximum efficiency d-axis current calculation according to claim 3, wherein said q-axis current or a command value thereof is inputted to calculate a value corresponding to said d-axis current satisfying a maximum efficiency operation condition of said permanent magnet type synchronous motor. And a magnetic flux current regulator that sets the output of the maximum efficiency d-axis current calculator to a predetermined upper limit.
【００１１】請求項４においては，前記ｑ軸電流または
その指令値を低周波数通過フィルタに通すフィルタを具
備し，前記最大効率ｄ軸電流計算器において前記ｑ軸電
流またはその指令値の代わりに前記フィルタの出力を最
大効率ｄ軸電流計算器に入力するものである。According to a fourth aspect of the present invention, there is provided a filter for passing the q-axis current or the command value thereof through a low-frequency pass filter. The output of the filter is input to a maximum efficiency d-axis current calculator.
【００１２】[0012]
【発明の実施の形態】図１に本発明の一実施例を示し，
以下図１について説明する。従来技術と同様に，電流制
御器５は，成分分配器６の出力のｑ軸電流ｉｑやｄ軸電
流ｉｄがそれぞれそれらの指令値ｉｑｃとｉｄｃに追従
するような電圧指令Ｖｃを電力変換器１に出力する。飽
和検出器９は，電力変換器１が出力できる最大電圧より
も入力した電圧指令Ｖｃの大きさが大きい場合に電圧飽
和信号Ｓａｔを−１として出力する。そうでない場合は
電圧飽和信号Ｓａｔを１とする。FIG. 1 shows an embodiment of the present invention.
Hereinafter, FIG. 1 will be described. As in the prior art, the current controller 5 converts the voltage command Vc such that the q-axis current iq and the d-axis current id of the output of the component distributor 6 follow the command values iqc and idc, respectively, to the power converter 1. Output to The saturation detector 9 outputs the voltage saturation signal Sat as −1 when the magnitude of the input voltage command Vc is larger than the maximum voltage that the power converter 1 can output. Otherwise, the voltage saturation signal Sat is set to 1.
【００１３】磁束電流調整器１０は，フィルタ１１と最
大効率ｄ軸電流計算器１２と制限器１３と積分器１４と
スイッチ１５から構成されている。電圧飽和信号Ｓａｔ
が−１の場合，スイッチ１５は−Ａを選択し，電圧飽和
信号Ｓａｔが１の場合，スイッチ１５はＢを選択する。
ここでＡ，Ｂは，Ａ＞０，Ｂ＞０，Ａ＞Ｂの条件を満た
す値である。積分器１４はスイッチ１５で選択された値
を時間積分する。The magnetic flux current regulator 10 includes a filter 11, a maximum efficiency d-axis current calculator 12, a limiter 13, an integrator 14, and a switch 15. Voltage saturation signal Sat
Is -1, the switch 15 selects -A, and when the voltage saturation signal Sat is 1, the switch 15 selects B.
Here, A and B are values that satisfy the conditions of A> 0, B> 0, and A> B. The integrator 14 integrates the value selected by the switch 15 over time.
【００１４】積分器１４の出力は，制限器１３を介して
下限値以上そして最大効率ｄ軸電流計算器１２出力の上
限値ＩｄＭ以下に制限されてｄ軸電流指令ｉｄｃとし
て，電流制御器５に出力される。フィルタ１１は，ｑ軸
電流指令ｉｑｃを低周波数通過フィルタに通したｉｑｆ
を出力し，最大効率ｄ軸電流計算器１２では，前記ｉｑ
ｆを用いて,前述した数１により最大効率で運転できる
ｄ軸電流ＩｄＭを計算して出力する。The output of the integrator 14 is limited via the limiter 13 to a value equal to or greater than the lower limit value and to a value equal to or less than the upper limit value IdM of the output of the maximum efficiency d-axis current calculator 12, and is supplied to the current controller 5 as a d-axis current command idc. Is output. The filter 11 is configured to pass the q-axis current command iqc through a low-pass filter.
And the maximum efficiency d-axis current calculator 12 outputs the iq
Using d, the d-axis current IdM that can be operated at the maximum efficiency is calculated and output according to Equation 1 described above.
【００１５】電流制御器５の出力の電圧指令Ｖｃが電力
変換器１の出力可能最大電圧Ｖｍよりも大きくなると飽
和検出器９と磁束電流調整器１０によりｄ軸電流指令ｉ
ｄｃを減少させて電圧指令Ｖｃを小さくさせるように動
作する。またＶｃがＶｍより小さくなるとｄ軸電流指令
ｉｄｃを上限値まで徐々に増加させてＶｃを増加させる
ように動作する。つまり自動的にｄ軸電流指令ｉｄｃの
大きさが調整されて電圧指令Ｖｃが電力変換器１の出力
可能最大電圧Ｖｍを越えないようにすることができ，必
ずｑ軸電流やｄ軸電流をそれらの電流指令にそれぞれ追
従させることができる。When the voltage command Vc of the output of the current controller 5 becomes larger than the maximum output voltage Vm of the power converter 1, the d-axis current command i is set by the saturation detector 9 and the magnetic flux current regulator 10.
The operation is performed so as to decrease the voltage command Vc by decreasing dc. Also, when Vc becomes smaller than Vm, the d-axis current command idc is gradually increased to the upper limit value to operate to increase Vc. That is, the magnitude of the d-axis current command idc is automatically adjusted so that the voltage command Vc does not exceed the maximum outputtable voltage Vm of the power converter 1, and the q-axis current and the d-axis current are always , Respectively.
【００１６】磁束電流調整器１０においてＡ＞Ｂの条件
により，ｄ軸電流指令の正方向の増加よりも負方向への
増加を速くすることでｄ軸電流指令を操作することによ
る不安定性を抑制することができる。Under the condition of A> B in the magnetic flux current regulator 10, instability caused by manipulating the d-axis current command is increased by increasing the d-axis current command in the negative direction faster than in the positive direction. can do.
【００１７】電圧が飽和していない状態では，制限器１
３の出力であるｄ軸電流指令ｉｄｃは，上限値ＩｄＭと
なり，ＩｄＭは最大効率運転条件のｄ軸電流なのでＰＭ
モータは最大効率で運転されることになる。When the voltage is not saturated, the limiter 1
The d-axis current command idc, which is the output of No. 3, becomes the upper limit value IdM.
The motor will run at maximum efficiency.
【００１８】トルク指令Ｔｃが変化すると，ｑ軸電流指
令ｉｑｃが変化し，それに応じて最大効率ｄ軸電流計算
器１２の出力ＩｄＭが変化し，電圧が飽和していない場
合は，ｄ軸電流指令ｉｄｃも変化する。すると当然ｄ軸
電流ｉｄも変化することになる。ｑ軸電流指令ｉｑｃ
は，ｄ軸電流ｉｄを用いて計算されているので，ｑ軸電
流指令ｉｑｃがまた変化することになり，不安定になる
恐れがあるが，フィルタ１１によりｑ軸電流指令ｉｑｃ
が急変しても最大効率ｄ軸電流計算器１２で用いるｉｑ
ｆをゆっくり変えることができ，上記不安定を抑制でき
る。When the torque command Tc changes, the q-axis current command iqc changes, and the output IdM of the maximum efficiency d-axis current calculator 12 changes accordingly. If the voltage is not saturated, the d-axis current command iqc changes. idc also changes. Then, the d-axis current id naturally changes. q-axis current command iqc
Is calculated using the d-axis current id, the q-axis current command iqc may change again and become unstable.
Iq used in the maximum efficiency d-axis current calculator 12 even if the value suddenly changes
f can be changed slowly, and the instability can be suppressed.
【００１９】[0019]
【発明の効果】以上説明したように本発明によれば、電
圧が飽和しても運転が継続でき，電圧が飽和しないとき
は最大効率運転状態とすることができ,実用上,極めて有
用性の高いものである。As described above, according to the present invention, the operation can be continued even when the voltage is saturated, and when the voltage is not saturated, the maximum efficiency operation state can be attained. It is expensive.
【図１】本発明の一実施例を示すブロック線図である。FIG. 1 is a block diagram showing one embodiment of the present invention.
【図２】従来技術の一例を示すブロック線図である。FIG. 2 is a block diagram showing an example of the related art.
１・・電力変換器 ２・・ＰＭモータ ３・・電流検出器 ４・・位置検出器 ５・・電流制御器 ６・・成分分配器 ８・・トルク指令変換器 ９・・飽和検出器 １０・・磁束電流調整器 １１・・フィルタ １２・・最大効率ｄ軸電流計算器 １３・・制限器 １４・・積分器 １５・・スイッチ 1. Power converter 2. PM motor 3. Current detector 4. Position detector 5. Current controller 6. Component distributor 8. Torque command converter 9. Saturation detector 10.・ Flux current regulator 11 ・ ・ Filter 12 ・ ・ Maximum efficiency d-axis current calculator 13 ・ ・ Limiter 14 ・ ・ Integrator 15 ・ ・ Switch
Claims (4)
型同期電動機の入力電流を該永久磁石型同期電動機の永
久磁石の方向の成分であるｄ軸電流とそれに直交する成
分であるｑ軸電流とに分離し，各々を独立に調整して前
記永久磁石型同期電動機の磁束とトルクの大きさを制御
する電圧指令を前記電力変換器に出力する永久磁石型同
期電動機の制御装置において， 前記電力変換器に入力される電圧指令の大きさが,前記
永久磁石型同期電動機に印加することのできる最大電圧
を越えた時「−１」となり，超えない時「１」となる電
圧飽和信号を出力する飽和検出器と，該飽和検出器の出
力の電圧飽和信号が「１」の時は,前記ｄ軸電流を所定
の上限値まで徐々に正方向に増加させ，前記電圧飽和信
号が「−１」の時は前記ｄ軸電流を所定の下限値まで徐
々に負の方向に増加させる磁束電流調整器とを具備した
ことを特徴とする永久磁石型同期電動機の制御装置。1. An input current of a permanent magnet type synchronous motor fed through a power converter is converted into a d-axis current which is a component in a direction of a permanent magnet of the permanent magnet type synchronous motor and a q-axis current which is a component orthogonal thereto. A permanent magnet type synchronous motor control device that outputs a voltage command for controlling the magnitude of the magnetic flux and torque of the permanent magnet type synchronous motor to the power converter by separately adjusting the current and the currents. When the magnitude of the voltage command input to the power converter exceeds the maximum voltage that can be applied to the permanent magnet synchronous motor, the voltage saturation signal becomes “−1”, and when it does not exceed “1”, the voltage saturation signal becomes “1”. When the output saturation detector and the voltage saturation signal of the output of the saturation detector are “1”, the d-axis current is gradually increased in the positive direction to a predetermined upper limit value, and the voltage saturation signal becomes “−”. When "1", the d-axis current is set to a predetermined lower limit. A controller for a permanent magnet type synchronous motor, comprising: a magnetic flux current regulator that gradually increases the value in a negative direction.
「１」の時に前記ｄ軸電流を所定の上限値まで徐々に正
方向に増加させる速さよりも，前記電圧飽和信号が「−
１」の時に前記ｄ軸電流を所定の下限値まで徐々に負の
方向に増加させる速さの方を速くした磁束電流調整器を
具備したことを特徴とする請求項１記載の永久磁石型同
期電動機の制御装置。2. When the voltage saturation signal output from the saturation detector is “1”, the voltage saturation signal is set to “−” rather than the speed at which the d-axis current is gradually increased in the positive direction to a predetermined upper limit value.
2. The permanent magnet type synchronous device according to claim 1, further comprising a magnetic flux current adjuster in which the d-axis current is gradually increased in a negative direction to a predetermined lower limit at a time of "1". Motor control device.
て前記永久磁石型同期電動機の最大効率運転条件を満た
す前記ｄ軸電流に相当する値を計算する最大効率ｄ軸電
流計算器を具備し，該最大効率ｄ軸電流計算器の出力を
所定の上限値とする磁束電流調整器を具備することを特
徴とした請求項１または２記載の永久磁石型同期電動機
の制御装置。3. A maximum efficiency d-axis current calculator which inputs the q-axis current or its command value and calculates a value corresponding to the d-axis current satisfying a maximum efficiency operation condition of the permanent magnet type synchronous motor. 3. The control device for a permanent magnet type synchronous motor according to claim 1, further comprising a magnetic flux current regulator that sets an output of said maximum efficiency d-axis current calculator to a predetermined upper limit value.
数通過フィルタに通すフィルタを具備し，前記最大効率
ｄ軸電流計算器において前記ｑ軸電流,またはその指令
値の代わりに前記フィルタの出力を前記最大効率ｄ軸電
流計算器に入力したことを特徴とする請求項１または２
または３記載の永久磁石型同期電動機の制御装置。4. A filter for passing said q-axis current or its command value through a low-frequency pass filter, and said maximum efficiency d-axis current calculator outputs said filter instead of said q-axis current or said command value. Is input to the maximum efficiency d-axis current calculator.
Or a control device for a permanent magnet type synchronous motor according to item 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14745599A JP3672457B2 (en) | 1999-05-27 | 1999-05-27 | Control device for permanent magnet type synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14745599A JP3672457B2 (en) | 1999-05-27 | 1999-05-27 | Control device for permanent magnet type synchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000341991A true JP2000341991A (en) | 2000-12-08 |
| JP3672457B2 JP3672457B2 (en) | 2005-07-20 |
Family
ID=15430756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14745599A Expired - Lifetime JP3672457B2 (en) | 1999-05-27 | 1999-05-27 | Control device for permanent magnet type synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3672457B2 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002354896A (en) * | 2001-05-29 | 2002-12-06 | Toyo Electric Mfg Co Ltd | Controller for permanent magnet synchronous generator |
| EP1427097A1 (en) * | 2002-11-29 | 2004-06-09 | Toyoda Koki Kabushiki Kaisha | Motor control device and motor control method |
| WO2005112249A1 (en) * | 2004-05-14 | 2005-11-24 | Mitsubishi Denki Kabushiki Kaisha | Synchronous machine controller |
| US7176644B2 (en) | 2003-04-30 | 2007-02-13 | Matsushita Electric Industrial Co., Ltd. | Motor driving apparatus |
| US7439713B2 (en) | 2006-09-20 | 2008-10-21 | Pratt & Whitney Canada Corp. | Modulation control of power generation system |
| JP2009124876A (en) * | 2007-11-15 | 2009-06-04 | Fuji Electric Systems Co Ltd | Control device of permanent magnet type synchronous motor |
| JP2009290929A (en) * | 2008-05-27 | 2009-12-10 | Fuji Electric Systems Co Ltd | Controller for permanent magnet type synchronous motor |
| US8013556B2 (en) | 2006-07-07 | 2011-09-06 | Toyota Jidosha Kabushiki Kaisha | Motor control device and vehicle including the same |
| US8076882B2 (en) | 2007-12-26 | 2011-12-13 | Pratt & Whitney Canada Corp. | Motor drive architecture with active snubber |
| CN104065312A (en) * | 2013-03-19 | 2014-09-24 | 发那科株式会社 | Motor Control System That Detects Voltage Saturation |
-
1999
- 1999-05-27 JP JP14745599A patent/JP3672457B2/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002354896A (en) * | 2001-05-29 | 2002-12-06 | Toyo Electric Mfg Co Ltd | Controller for permanent magnet synchronous generator |
| EP1427097A1 (en) * | 2002-11-29 | 2004-06-09 | Toyoda Koki Kabushiki Kaisha | Motor control device and motor control method |
| US6963182B2 (en) | 2002-11-29 | 2005-11-08 | Toyoda Koki Kabushiki Kaisha | Motor control device and motor control method |
| US7176644B2 (en) | 2003-04-30 | 2007-02-13 | Matsushita Electric Industrial Co., Ltd. | Motor driving apparatus |
| US7554281B2 (en) | 2004-05-14 | 2009-06-30 | Mitsubishi Electric Corporation | Synchronous machine control apparatus |
| JPWO2005112249A1 (en) * | 2004-05-14 | 2008-03-27 | 三菱電機株式会社 | Synchronous machine controller |
| WO2005112249A1 (en) * | 2004-05-14 | 2005-11-24 | Mitsubishi Denki Kabushiki Kaisha | Synchronous machine controller |
| JP4531751B2 (en) * | 2004-05-14 | 2010-08-25 | 三菱電機株式会社 | Synchronous machine controller |
| US8013556B2 (en) | 2006-07-07 | 2011-09-06 | Toyota Jidosha Kabushiki Kaisha | Motor control device and vehicle including the same |
| US7439713B2 (en) | 2006-09-20 | 2008-10-21 | Pratt & Whitney Canada Corp. | Modulation control of power generation system |
| JP2009124876A (en) * | 2007-11-15 | 2009-06-04 | Fuji Electric Systems Co Ltd | Control device of permanent magnet type synchronous motor |
| US8076882B2 (en) | 2007-12-26 | 2011-12-13 | Pratt & Whitney Canada Corp. | Motor drive architecture with active snubber |
| JP2009290929A (en) * | 2008-05-27 | 2009-12-10 | Fuji Electric Systems Co Ltd | Controller for permanent magnet type synchronous motor |
| CN104065312A (en) * | 2013-03-19 | 2014-09-24 | 发那科株式会社 | Motor Control System That Detects Voltage Saturation |
| DE102014003631A1 (en) | 2013-03-19 | 2014-10-30 | Fanuc Corporation | Motor control device that detects a voltage saturation |
| US9116527B2 (en) | 2013-03-19 | 2015-08-25 | Fanuc Corporation | Motor control system that detects voltage saturation |
| DE102014003631B4 (en) | 2013-03-19 | 2022-05-19 | Fanuc Corporation | Motor controller that detects voltage saturation |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3672457B2 (en) | 2005-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3627683B2 (en) | Motor control device | |
| JP5948613B2 (en) | Motor control device | |
| JP5281339B2 (en) | Synchronous motor drive system and control device used therefor | |
| KR20030070772A (en) | Control method and controller for torque of inverter | |
| WO2006060537A1 (en) | Method and apparatus for field weakening control in an ac motor drive system | |
| JP2008167566A (en) | High-response control device of permanent magnet motor | |
| US6876169B2 (en) | Method and controller for field weakening operation of AC machines | |
| Lin et al. | Infinite speed drives control with MTPA and MTPV for interior permanent magnet synchronous motor | |
| CN107395078A (en) | Permagnetic synchronous motor field weakening control method | |
| JP3672457B2 (en) | Control device for permanent magnet type synchronous motor | |
| Foo et al. | Direct torque and flux control of an IPM synchronous motor drive using a backstepping approach | |
| Foo et al. | Robust constant switching frequency-based field-weakening algorithm for direct torque controlled reluctance synchronous motors | |
| JP4076348B2 (en) | Control device for synchronous machine | |
| CN111510025A (en) | Method and device for controlling motor deceleration | |
| JPH08275599A (en) | Control method for permanent magnet synchronous motor | |
| JP2010279095A (en) | Sensorless control device for ac electric motors | |
| JP2009171825A (en) | Apparatus for controlling rotary electric machine | |
| US20090212724A1 (en) | Method for Braking an AC Motor | |
| Sergaki et al. | Online search based fuzzy optimum efficiency operation in steady and transient states for DC and AC vector controlled motors | |
| JP2003088194A (en) | Motor drive system | |
| CA2714698C (en) | Method and system for braking an ac motor | |
| JP2004129381A (en) | Control device of permanent magnet synchronous motor | |
| Liaw et al. | A fuzzy adapted field-oriented mechanism for induction motor drive | |
| JP2002218799A (en) | Motor-driven controller | |
| JP6391096B2 (en) | AC motor current control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20040614 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20040906 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20041029 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20050407 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20050419 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090428 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090428 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100428 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100428 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110428 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130428 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140428 Year of fee payment: 9 |
|
| EXPY | Cancellation because of completion of term |