WO2004036730A1 - モータの位置制御装置 - Google Patents
モータの位置制御装置 Download PDFInfo
- Publication number
- WO2004036730A1 WO2004036730A1 PCT/JP2003/013442 JP0313442W WO2004036730A1 WO 2004036730 A1 WO2004036730 A1 WO 2004036730A1 JP 0313442 W JP0313442 W JP 0313442W WO 2004036730 A1 WO2004036730 A1 WO 2004036730A1
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- WIPO (PCT)
- Prior art keywords
- speed
- command
- output
- motor
- pass filter
- Prior art date
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
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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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
- H02P6/17—Circuit arrangements for detecting position and for generating speed information
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/41—Servomotor, servo controller till figures
- G05B2219/41444—Speed reference ffw for compensation of speed error
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/41—Servomotor, servo controller till figures
- G05B2219/41449—Speed reference and derived position ffw to compensate delay of position control
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/42—Servomotor, servo controller kind till VSS
- G05B2219/42011—PI regulator for speed loop
Definitions
- the present invention relates to a motor position control device, and more particularly to a motor position control device suitable for controlling the position of a high-speed positioning motor used in a machine tool, a semiconductor manufacturing device, or the like.
- FIG. 10 As a conventional motor position control device, there is a control device as shown in FIG. 10 (see FIG. 1 of Japanese Patent Application Laid-Open No. H10-254550).
- the difference between the position command and the position feedback is calculated by a subtractor included in the position control unit, and this difference is processed by the position control unit and output as a speed command.
- the difference between the speed feedback obtained by converting the position feedback output from the encoder E by the speed calculation unit 2 and the speed command is calculated by a subtractor included in the speed control unit 3.
- This deviation is processed in the speed control unit 3, and the speed control unit 3 outputs a torque command to the torque control unit 4.
- the torque control unit 4 controls the exciting current flowing through the motor so that the torque according to the torque command is output from the motor M.
- the position control unit 1 in this device is configured as a proportional control (P control) unit
- the speed control unit 3 is configured as a proportional integral control (PI control) unit.
- the PI control unit constituting the conventional speed control unit 3 has a configuration shown in FIG.
- the difference between the speed command and the speed feedback is calculated by a subtractor SB, and the difference is input to an adder AD through a gain 1 proportional control system.
- the deviation is multiplied by the integral gain by the multiplier 31, and the deviation is integrated by the speed integrator 32 and input to the adder AD.
- the adder AD adds the output of the proportional control system and the output of the integral control system and outputs the result to the multiplier 33.
- the multiplier 33 multiplies the output of the adder AD by the proportional gain to obtain a torque command. Output.
- the position command is output and the motor M starts driving.
- the speed integrator 32 performs integration from the time when the speed command is output from the position control device to the time when the speed feedback responds (until the speed feedback corresponding to the speed command appears). Then, while the motor M is rotating at a constant speed, the integrated value decreases. However, the integration is performed again when the motor M decelerates, and at the end of positioning, all remaining integrated values are discharged and the motor M stops. For this reason, in the conventional control device, as shown in FIG. 12, even after the position command becomes 0, the positioning response is delayed by the amount of accumulation of the speed integrator 32.
- FIG. 13 shows a simulation of the positioning response in the P-PI switching control. From above, the position command, position deviation (enlargement), speed command, speed feedback, speed integrator output, torque command, in-position (positioning completed) ).
- the speed control unit 3 is operated by proportional control during motor rotation, and is switched to proportional-integral control immediately before the motor M stops. Switching the control mode according to the operating state in this way makes it possible to reduce the amount of accumulation of the speed integrator 32 during motor rotation and to reduce the positioning settling time while suppressing the steady-state deviation when the motor is stopped. effective.
- Fig. 14 shows a simulation of the positioning response in the P-PI switching control for the vertical axis.
- the position command, position deviation (enlargement), speed command, Indicates speed feedback, speed integrator output, torque command, and in-position (positioning completed).
- the speed integrator 32 After switching to PI control, the speed integrator 32 The torque corresponding to the external force is compensated.
- the present invention provides a position detecting unit that detects a position of a motor and a motor to be controlled, a speed calculating unit that calculates a speed of the motor and a motor, and a position and a position command of the motor and the motor fed back from the position detecting unit.
- a position control unit that outputs a speed command to control the speed and outputs a torque command so that the speed command and the speed command fed back from the speed calculation unit match through the proportional integral control.
- a motor position control device including a speed control unit that performs torque control and a torque control unit that performs torque control based on a torque command is to be improved.
- the speed control unit is provided with a speed control side delay compensation port having a transfer function corresponding to the delay of the speed control system, a pass filter, and a speed command input to the speed control side delay compensation port—pass filter.
- An integral control system that includes a speed integrator that integrates the speed deviation between the obtained delay speed command and the speed, a proportional control system that outputs a command proportional to the difference between the speed command and the speed, and an integral control system And an output of the proportional control system, and a multiplication means for multiplying the output of the addition means by a speed proportional gain to output a torque command.
- the speed deviation may be multiplied by the speed deviation gain, and in the integral control system, the operation value under control may be multiplied by the speed proportional gain and output. If a low-pass filter on the speed control side is used as in the present invention, the deviation between the speed command having a delay corresponding to the delay of the speed control system and the speed of the actually delayed speed feedback is close to zero. . Therefore, the amount of accumulation in the speed integrator can be reduced to almost zero, and the positioning settling time can be reduced.
- a velocity feedback low-pass filter having a function.
- a proportional control system is configured to include a subtraction means for calculating the deviation between the speed command and the speed after the filter processing obtained by inputting the speed to the speed feedback / mouth-to-pass filter. If a high-accuracy and high-resolution position detection unit is used, the position error will be small, and it is not necessary to adopt such a configuration.
- the position control unit includes a subtraction unit that calculates a position deviation between the position command and the position detected by the position detection unit, and a position loop multiplication unit that multiplies the position deviation by a position proportional gain.
- the position controller includes a differentiator for differentiating the position command, a multiplication means for multiplying the output of the differentiator by a feedforward gain, and a transfer function for removing a ripple due to a quantization error of the position command.
- the system further includes a feed forward having a mouth-to-pass fill.
- the position control unit differentiates the position command, and integrates a deviation between the position command differentiated by the differentiator and the differential value of the position detected by the position detection unit and outputs the result to the position loop multiplying unit.
- An integrator a position loop multiplying means for multiplying the output of the integrator by a position proportional gain, a multiplying means for multiplying the output of the differentiator by a feedforward gain, and a transmission for removing a ripple due to a position command quantization error. It may be composed of a feed-forward low-pass filter having a function.
- the position control unit issues a command obtained by adding the command output from the position loop multiplying means and the speed feedforward command output from the feedforward / mouth-to-passfiller to the speed. Output as a command.
- a position control side delay compensation low pass filter having a transfer function corresponding to the delay of the speed control system is further provided, and the position deviation between the position command passed through the position control side delay compensation port and the path feedback and the position feedback position is calculated. It may be input to the position loop multiplication means.
- the position control side delay compensation port having a transfer function corresponding to the delay of the speed control system is used.
- One-pass filter between differentiator and integrator And the deviation between the output of the differentiator passed through the position control side delay compensation low-pass filter and the differential value of the position may be input to the integrator.
- FIG. 1 is a block diagram showing an example of a specific configuration of a speed control unit used in the present invention.
- FIG. 2 is a block diagram showing a system configuration of a motor position control device to which the speed control unit of FIG. 1 is applied.
- FIG. 3 is a block diagram showing an example of a specific configuration of another speed control unit used in the present invention.
- FIG. 4 is a diagram showing a simulation result when a constant external force is acting on the output shaft of the motor and the low-pass filter on the speed control side is not inserted.
- FIG. 5 is a diagram showing a simulation result when a low-pass filter on the speed control side is inserted when a constant external force is applied to the motor output shaft.
- FIG. 6 is a diagram showing the position of the motor according to the present invention.
- FIG. 7 is a block diagram illustrating a configuration of a control device according to another embodiment.
- FIG. 7 is a block diagram showing a configuration of still another embodiment of the motor position control device of the present invention.
- FIG. 8 is a block diagram showing a configuration of still another embodiment of the motor position control device of the present invention.
- FIG. 9 is a block diagram showing the configuration of still another embodiment of the motor position control device of the present invention. It is a lock figure.
- FIG. 10 is a diagram showing a configuration of a conventional motor position control device.
- FIG. 11 is a block diagram showing a configuration of a conventional speed control unit.
- FIG. 12 is a diagram showing the result of simulating the positioning operation in the conventional position control device.
- FIG. 13 is a diagram showing a result of simulating the positioning response in the P-PI switching control.
- FIG. 14 is a diagram showing a result of simulating a positioning response in the P-PI switching control when the vertical axis is targeted.
- FIG. 1 is a block diagram showing an example of a specific configuration of the speed control unit 13 used in the present invention.
- FIG. 3 is a block diagram showing the configuration of a system of a position control device for a mobile station to which the speed control unit 13 is applied.
- the system configuration in FIG. 2 is substantially the same as the conventional configuration in FIG. 10 except that the configuration of the speed control unit 13 is different.
- This system includes an encoder E as a position detection unit that detects the position of the motor M to be controlled.
- the output of encoder E is the position feedback indicating the position of the output shaft in the motor.
- the speed calculator 2 is configured to calculate the speed of the motor based on the output of the encoder E, and the output of the speed calculator 2 is a speed feedback.
- Speed feedback indicates the speed of the output shaft of motor M.
- the position control unit 11 is configured to perform a position control by outputting a speed command so that the position of the motor M fed back from the encoder E and the position command match as a position detection unit. I have.
- the position control unit 11 in FIG. 2 includes a subtraction unit SB3 for obtaining a position deviation between the position command and the position detected by the position detection unit, and a position loop multiplication unit 11 for multiplying the position deviation by a position proportional gain KP. It consists of one.
- the speed control unit 13 outputs a torque command by proportional integral control so that the speed fed back from the speed calculation unit 2 matches the speed command, and performs speed control.
- the speed control unit 13 of the present embodiment includes a speed control side delay compensation low-pass filter 13 3 having a transfer function (IX (1 + STc)) corresponding to the delay of the speed control system. Have. Further, the speed control unit 13 obtains the speed deviation between the delayed speed command obtained by inputting the speed command to the speed control side delay compensation low-pass filter 13 3 and the speed by the subtraction means SB 2, and calculates the speed deviation.
- An integral control system including a multiplying means 1 3 1 for multiplying the integral gain (1 / Tv i), a speed integrator 13 2 for integrating the output of the multiplying means 13 1, And a proportional control system that outputs commands.
- the speed control unit 13 further includes a multiplication means 134 for multiplying the sum of the output of the integral control system and the output of the proportional control system by the addition means AD 1 and multiplying the result by the speed proportional gain K VP to output a torque command.
- the above configuration is the basic configuration, but in this example, the transfer function () that prevents the quantization error of the encoder (position detector) and the ripple generated due to the Z or position error from appearing in the torque command.
- the proportional control system includes a subtraction means SB1 for obtaining a deviation between the speed command and the speed after filtering obtained by inputting the speed to the speed feedback / low-pass filter 135.
- the difference between the speed command passed through the speed control side delay compensation low-pass filter 13 3 and the speed feedback is taken by the subtraction means SB 2 and multiplied by the speed integral gain (1 Tvi) to obtain an integrator 1 3 Pass through 2.
- the difference between the speed command and the value obtained by passing the speed feedback through the speed feedback / low-pass filter 135 is taken by the subtracting means SB1, and added to the output of the integrator 132 and the adding means AD1.
- the torque command is output by multiplying by the speed proportional gain (KVP).
- the above-described velocity feedback low-pass filter 135 is a filter that suppresses ripple due to a quantization error and a position error of the encoder E.
- This filter has a function of entering only the feedback of the proportional control system and preventing the ripple component from appearing in the torque command. In the integral control system, such a filter is unnecessary because the speed integrator 13 2 performs a smoothing action.
- the low-pass filter for the speed control side delay compensation sets the time corresponding to the delay of the speed control system, so that the delay compensation output and the speed feedback have almost the same rise. So that the amount of pool of the speed integrator 1 32 when the speed command changes is reduced.
- the speed control side delay compensation low-pass filter 133 may be any transfer function that simulates a delay of the speed control system, and is not limited to the transfer function of the present embodiment.
- the difference between the position command and the position feedback is calculated by a subtraction means SB 3 included in the position control unit 11. Then, the value is multiplied by the position proportional gain K P and a speed command is output. Then, a difference between the speed command and the speed feedback is obtained by a subtraction means SB 1 (FIG. 1) included in the speed control unit 13, and a torque command is output through the speed control unit 13.
- the torque control unit 4 controls the current so that the torque according to the torque command is output.
- FIG. 3 is a block diagram showing a modified example of the speed control unit 13 '. Comparing the speed control unit 13 in Fig. 1 with the speed control unit 13 ', the speed control unit 13' in Fig. 3 has a speed ratio gain KVP multiplication means 13 4 'inside the proportional control system. (The point inserted before the adding means AD 1) and the point where the transfer function of the multiplying means 13 1 ′ is changed in order to multiply the calculated value by the speed proportional gain KVP in the integral control system. The configuration is different from that of the former speed control unit 13. With this configuration, the same operation and effect as those of the speed control unit 13 in FIG. 1 can be obtained.
- FIGS. 4 and 5 show the results of the simulation when a constant external force is acting on the output shaft of the motor M (for example, when the output shaft of the motor is a vertical axis) in this control system.
- FIG. 4 shows a case where the low-pass filter 13 3 for the speed control side delay compensation is not inserted
- FIG. 5 shows a result of a simulation when a one-pass filter 13 3 for the speed control side delay compensation port is inserted. If the speed control side delay compensation port 1-pass filter 1 3 3 is not inserted, the value of the speed integrator 1 32 changes with motor acceleration / deceleration. However, when the speed control side delay compensation low-pass filter 133 is introduced, the value of the speed integrator 132 remains almost constant.
- the speed control side delay compensation rope It can be seen that the positioning settling time is longer when the filter 13 is not inserted, but the positioning settling time can be shortened when the speed control side delay compensation low-pass filter 13 3 is inserted.
- the speed integrator 1 32 holds a value corresponding to a constant external force. Note that the present invention is applicable even when there is no external force.
- FIG. 6 is a block diagram showing the configuration of another embodiment of the motor position control device of the present invention.
- the position control unit 11 A includes a differentiator 112 for differentiating the position command, multiplication means 111 for multiplying the output of the differentiator by a feedforward gain VFF, and a position command quantum.
- a feed-for-pass-and-pass-fill filter 114 having a transfer function (1 (1 + ST FF)) for removing a ripple due to a conversion error.
- the position control section 11A receives a command output from the position loop multiplication means 111 and a speed feedforward command output from the feedforward / low-pass filter 114. (Speed FF command) is added as a speed command by the addition means AD2.
- a feedforward 'one-pass filter 114' it is possible to prevent a ripple based on a quantization error included in the position command from being included in the speed command itself.
- the feed forward gain V FF is set to about 40 to 60% (0.4 to 0.6).
- the feedforward low-pass filter 114 is a filter that suppresses a ripple due to a quantization error of the position command.
- the difference between the position command and the position feedback is calculated by the subtraction means SB3, multiplied by the position proportional gain KP, and the speed command is output.
- the speed command outputs a torque command through the speed control unit 13 (or 13 ').
- the positioning settling time can be made shorter than in the case of FIG. 2 by adding a feed forward.
- FIG. 7 is a block diagram showing a modification of the embodiment of FIG. FIG. 7 is different from the embodiment in FIG. 6 in the configuration of the position control unit 11B in the embodiment, and in FIG. 7, the same parts as those in the embodiment in FIG.
- the same reference numerals as in FIG. 6 denote the same parts, and a description thereof will be omitted. Compare the embodiment of FIG. 6 with the embodiment of FIG. Then, they differ in that the position of the differentiator 1 1 2 is different, and that the integrator 1 16 and the differentiator 5 are newly added.
- a differentiator 1 1 2 for differentiating the position command a differentiator 5 for differentiating the position detected by the position detector, and an output of the differentiator 1 1 2
- Integrator 1 16 that integrates the deviation (position differential deviation) between the output of the differentiator 5 and the output of the differentiator 5 (position differential deviation), and position loop multiplication that multiplies the output of the integrator 1 16 by the position proportional gain.
- Means 1 1 1, multiplication means 1 1 3 for multiplying the output of differentiator 1 1 2 by feed forward gain, and feed forward low pass filter having a transfer function for removing a ripple due to a quantization error of position command 1 1 and 4 are provided. According to this embodiment, the same effect as that of the embodiment of FIG. 6 can be obtained.
- FIG. 8 is a block diagram showing a configuration of still another embodiment of the motor position control device of the present invention.
- the same blocks as those in FIG. 6 are denoted by the same reference numerals as those in FIG. 1 and FIG. .
- the position control side delay compensation port having a transfer function (1 / (1 + ST d)) corresponding to the delay of the speed control system has the same function as the path filter. 5 in that the position control unit 11C further includes 5.
- the position deviation between the position command passed through the position control side delay compensation low-pass filter 115 and the position feedback is obtained by the subtraction means SB 3, and the position deviation is obtained by the position loop multiplication means 111.
- the feedforward gain V FF is set to 1 or a value close to 1.
- the delay of the speed control system is set as a transmission function.
- the transfer function of the position-control delay compensation low-pass filter 115 is determined so that the output of the position-control delay compensation port 1-pass filter 115 and the position feedback rise to the same extent.
- the position control side delay compensation low-pass filter 1 1 5 is added, the output of the position loop multiplying means 1 1 1 of the position control section 1 1 C becomes a considerably small value.
- the feedforward gain VFF is increased to 100% or a value close to 100% (to a value close to 1 or 1) by adding a one-pass filter 1-15 for the delay compensation port on the position control side.
- FIG. 9 shows a configuration in the case where the position control side delay compensation low-pass filter 115 is added to the embodiment of FIG. Therefore, the configuration of the position control unit 11D is different from the embodiment of FIG. Other points are the same as in the embodiment of FIG. Industrial applicability
- the position control device of the present invention since the speed control side delay compensation low-pass filter is used, the deviation between the speed command having a delay corresponding to the delay of the speed control system and the speed of the actually delayed speed feedback is calculated. It can be close to zero, and the amount of accumulation of the speed integrator can be reduced to almost zero, and the advantage of shortening the positioning settling time can be obtained. Therefore, by applying the position control device of the present invention, it is possible to shorten the positioning settling time when there is an external force with a simple configuration and express higher-speed positioning control.
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/531,892 US7224141B2 (en) | 2002-10-21 | 2003-10-21 | Position controller of motor |
EP03756737.7A EP1560325B1 (en) | 2002-10-21 | 2003-10-21 | Position controller of motor |
Applications Claiming Priority (2)
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JP2002306421A JP3850363B2 (ja) | 2002-10-21 | 2002-10-21 | モータの位置制御装置 |
JP2002-306421 | 2002-10-21 |
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WO2004036730A1 true WO2004036730A1 (ja) | 2004-04-29 |
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PCT/JP2003/013442 WO2004036730A1 (ja) | 2002-10-21 | 2003-10-21 | モータの位置制御装置 |
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US (1) | US7224141B2 (ja) |
EP (1) | EP1560325B1 (ja) |
JP (1) | JP3850363B2 (ja) |
WO (1) | WO2004036730A1 (ja) |
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JP4577107B2 (ja) * | 2005-06-17 | 2010-11-10 | 三菱電機株式会社 | 機械位置制御装置 |
JP4816257B2 (ja) * | 2006-05-31 | 2011-11-16 | 日本精工株式会社 | モータ制御装置 |
WO2008075558A1 (ja) * | 2006-12-21 | 2008-06-26 | Kabushiki Kaisha Yaskawa Denki | 位置制御装置 |
JP4174543B2 (ja) * | 2007-01-29 | 2008-11-05 | ファナック株式会社 | サーボモータの制御装置 |
CN101620436A (zh) * | 2008-07-04 | 2010-01-06 | 鸿富锦精密工业(深圳)有限公司 | 后加减速控制装置和后加减速控制方法 |
JP4540727B2 (ja) * | 2008-07-31 | 2010-09-08 | 山洋電気株式会社 | モータ制御装置 |
CN101877567B (zh) * | 2009-04-29 | 2012-09-19 | 鸿富锦精密工业(深圳)有限公司 | 马达速度命令产生装置及方法 |
US8876453B2 (en) * | 2010-01-12 | 2014-11-04 | Hitachi Kokusai Electric Inc. | Substrate processing apparatus and method of manufacturing semiconductor device |
EP2487552A1 (de) * | 2011-02-14 | 2012-08-15 | Schneider GmbH & Co. KG | Verfahren und Vorrichtung zur Regelung eines Antriebs für ein Werkzeug oder Werkstück mit Anwendung einer Vorsteuerung |
US8928270B2 (en) * | 2011-09-26 | 2015-01-06 | Ricoh Company, Ltd. | Electric motor system and motor control method |
KR101220915B1 (ko) * | 2011-11-04 | 2013-02-14 | 주식회사 오토파워 | 활성화 함수와 토크 보상기를 이용한 속도 리플 억제 방법 |
JP5528421B2 (ja) * | 2011-12-08 | 2014-06-25 | 山洋電気株式会社 | モータ制御装置 |
WO2013125034A1 (ja) * | 2012-02-24 | 2013-08-29 | 株式会社安川電機 | モータ制御装置 |
US10007249B2 (en) | 2014-02-25 | 2018-06-26 | Panasonic Intellectual Property Management Co., Ltd. | Control apparatus of an electric motor |
CN106470005B (zh) * | 2015-08-11 | 2019-02-22 | 南京理工大学 | 具有输入约束的电机伺服系统鲁棒位置控制器的实现方法 |
CN109690936B (zh) * | 2016-09-08 | 2022-05-10 | 松下知识产权经营株式会社 | 电动机控制装置、电动机的位置控制方法以及产业用机械 |
CN109450307B (zh) * | 2018-10-10 | 2020-06-02 | 浙江工业大学 | 基于类正态分布吸引律和采用扰动扩张状态补偿的用于电机伺服系统的离散重复控制方法 |
DE102019201798A1 (de) * | 2019-02-12 | 2020-08-13 | Festo Se & Co. Kg | Antriebssystem, Trajektorien-Planungseinheit und Verfahren |
CN112671233B (zh) * | 2020-12-01 | 2023-11-10 | 上海晶丰明源半导体股份有限公司 | 一种补偿电路以及开关电源 |
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- 2003-10-21 WO PCT/JP2003/013442 patent/WO2004036730A1/ja active Application Filing
- 2003-10-21 US US10/531,892 patent/US7224141B2/en not_active Expired - Lifetime
- 2003-10-21 EP EP03756737.7A patent/EP1560325B1/en not_active Expired - Lifetime
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112698566A (zh) * | 2020-12-28 | 2021-04-23 | 诺丁汉(余姚)智能电气化研究院有限公司 | 用于无级变速器的高保真高容错的增量编码器测量方法 |
Also Published As
Publication number | Publication date |
---|---|
US20060138990A1 (en) | 2006-06-29 |
EP1560325A4 (en) | 2006-07-26 |
JP3850363B2 (ja) | 2006-11-29 |
EP1560325B1 (en) | 2015-12-30 |
US7224141B2 (en) | 2007-05-29 |
JP2004147368A (ja) | 2004-05-20 |
EP1560325A1 (en) | 2005-08-03 |
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