JP5838681B2 - アクチュエータの制御方法及びアクチュエータの制御装置 - Google Patents
アクチュエータの制御方法及びアクチュエータの制御装置 Download PDFInfo
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- G05B19/23—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 using an incremental digital measuring device for point-to-point control
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- 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
- G05B19/27—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 using an absolute digital measuring device
- G05B19/29—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 using an absolute digital measuring device for point-to-point control
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- 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
- G05B19/33—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 using an analogue measuring device
- G05B19/35—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 using an analogue measuring device for point-to-point control
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- G05B19/416—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 control of velocity, acceleration or deceleration
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Description
(1)アクチュエータの最大出力時に発生可能な最大加速度αp、最大減速度αmは既知、すなわち、予め測定した加速度より得られる。
(2)計算時刻t0における速度V0は既知、すなわち、測定値の1階の微分(または差分)により得られる。
(3)計算時刻t0で第1の2次曲線f(t0)の値がゼロである。
(4)計算時刻t0で第1の2次曲線f(t0)の1階の微分値が時刻t0での速度(初速)である。
(5)切替時刻t1で第2の2次曲線g(t)が、1つ目の2次曲線f(t)に接する。(6)終了時刻t2で第2の2次曲線g(t2)の値が目標値である。
(7)終了時刻t2で第2の2次曲線g(t)の1階の微分値がゼロである。
t1 切替時刻
t2 終了時刻
V0 初速
X 目標量と制御量の偏差
αp最大加速度
αm最大減速度
Claims (9)
- 最短時間制御を用いると共に、
予め、計測されたアクチュエータの制御力の最大出力時の最大加速度αpと最大減速度αmを用いて、制御のための計算を行う計算時刻t0からの経過時間表示で、加速出力から減速出力へ切り替える切替時刻t1と、減速出力の終了時刻t2を算出する算出ステップと、
前記計算時刻t0から前記切替時刻t1までは前記アクチュエータの制御力を最大加速出力とし、前記切替時刻t1から前記終了時刻t2までは前記アクチュエータの制御力を最大減速出力とし、前記終了時刻t2で制御力の出力を終了する制御出力ステップを備えると共に、
前記算出ステップを予め設定した時間毎に繰り返し、前記切替時刻t1と前記終了時刻t2を算出して更新する更新ステップと、
更に、制御系が持つ残り仕事と運動エネルギーの和である残留エネルギーの減少と共に、制御出力を小さくする制御出力減少ステップを備えたことを特徴とするアクチュエータの制御方法。 - 前記制御出力減少ステップで、前記最大加速出力及び前記最大減速出力のそれぞれに、前記残留エネルギーを乗じ、この乗じた値に、更に、前記残留エネルギーに対して制御出力の大きさを決定するための係数であるエネルギーゲインを乗じた値を制御力の出力とすることを特徴とする請求項1に記載のアクチュエータの制御方法。
- 前記更新ステップで、前記最大加速度、前記最大減速度に、制御出力制限値を掛け合わせた値を新たな最大加速度、最大減速度として再計算することを特徴とする請求項1又は2に記載のアクチュエータの制御方法。
- 最短時間制御を用いると共に、
予め、計測されたアクチュエータの制御力の最大出力時の最大加速度αpと最大減速度αmを用いて、制御のための計算を行う計算時刻t0からの経過時間表示で、加速出力から減速出力へ切り替える切替時刻t1と、減速出力の終了時刻t2を算出する算出手段と、
前記計算時刻t0から前記切替時刻t1までは前記アクチュエータの制御力を最大加速出力とし、前記切替時刻t1から前記終了時刻t2までは前記アクチュエータの制御力を最大減速出力とし、前記終了時刻t2で制御力の出力を終了する制御出力手段を備えると共に、
予め設定した時間毎に前記算出手段により前記切替時刻t1と前記終了時刻t2を繰り返して算出し、更新する更新手段と、
更に、制御系が持つ残り仕事と運動エネルギーの和である残留エネルギーの減少と共に、制御出力を小さくする制御出力減少手段を備えたことを特徴とするアクチュエータの制御装置。 - 前記制御出力減少手段が、前記最大加速出力及び前記最大減速出力のそれぞれに、前記残留エネルギーを乗じ、この乗じた値に、更に、前記残留エネルギーに対して制御出力の大きさを決定するための係数であるエネルギーゲインを乗じた値を制御力の出力とすることを特徴とする請求項5に記載のアクチュエータの制御装置。
- 前記更新手段が、前記最大加速度、前記最大減速度に、制御出力制限値を掛け合わせた値を新たな最大加速度、最大減速度として再計算することを特徴とする請求項5又は6に記載のアクチュエータの制御装置。
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JP2011202769A JP5838681B2 (ja) | 2011-09-16 | 2011-09-16 | アクチュエータの制御方法及びアクチュエータの制御装置 |
PCT/JP2012/070480 WO2013038856A1 (ja) | 2011-09-16 | 2012-08-10 | アクチュエータの制御方法及びアクチュエータの制御装置 |
US14/345,167 US9519275B2 (en) | 2011-09-16 | 2012-08-10 | Actuator control method and actuator control device |
CN201280044822.9A CN103797429B (zh) | 2011-09-16 | 2012-08-10 | 致动器的控制方法以及致动器的控制装置 |
EP12831914.2A EP2757427B1 (en) | 2011-09-16 | 2012-08-10 | Actuator control method and actuator control device |
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EP3515660B1 (en) * | 2016-09-26 | 2022-03-09 | Esko-Graphics Kongsberg AS | Actuators and methods for controlling tools |
CN108060417A (zh) | 2016-11-07 | 2018-05-22 | 东台精机股份有限公司 | 粉末积层制造的检测修补装置及其方法 |
JP7119827B2 (ja) * | 2018-09-21 | 2022-08-17 | トヨタ自動車株式会社 | 異常診断方法、異常診断装置及びプログラム |
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JP2013065152A (ja) | 2013-04-11 |
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US9519275B2 (en) | 2016-12-13 |
EP2757427A1 (en) | 2014-07-23 |
EP2757427A4 (en) | 2016-05-18 |
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