WO1997031303A1 - Organe de commande d'un robot multiaxial - Google Patents
Organe de commande d'un robot multiaxial Download PDFInfo
- Publication number
- WO1997031303A1 WO1997031303A1 PCT/JP1997/000421 JP9700421W WO9731303A1 WO 1997031303 A1 WO1997031303 A1 WO 1997031303A1 JP 9700421 W JP9700421 W JP 9700421W WO 9731303 A1 WO9731303 A1 WO 9731303A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- axis
- interference
- control input
- axes
- interference force
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/16—Programme controls
- B25J9/1628—Programme controls characterised by the control loop
- B25J9/1641—Programme controls characterised by the control loop compensation for backlash, friction, compliance, elasticity in the joints
-
- 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
- G05B2219/41195—Cross coupled feedback, position change one axis effects control of other
Definitions
- a problem to be solved by the present invention is to completely eliminate interference between axes of an industrial robot including a panel element such as a speed reducer in each axis even during high-speed operation.
- a control device for a multi-axis robot is a control device for a multi-axis port bot having a mechanism including a panel element such as a speed reducer between a servo motor and an arm of each axis.
- the interference force generated from the other axis on each axis arm side and the interference It has a means for calculating the drying force included in the control input of the servomotor, which is composed of a servo motor consisting of a semi-sleeve, which is independent of each axis caused by the force, and the arm tip of each axis interferes with other axes.
- a correction torque is calculated based on the interference force from other axes and the interference force included in the control input of the servomotor so that the operation can be performed without generating the torque, and the correction torque is added to the control input and output. Means.
- the torsion angle generated in each axis reducer uses the value reproduced by the state observation means that reproduces the state quantity according to the control input of the servo motor of each axis and the actual position of the servomotor. You can also.
- the coupling between the servomotor and the arm of each axis is expressed by a two-inertia system including a panel element, and a dynamic equation is obtained, and interference from multiple axes generated on the arm side of each axis is obtained.
- the interference force included in the control input of each axis in a semi-closed loop is calculated, and a correction torque that completely cancels out the drought is output to the control input.
- the interference force from another axis generated on the arm side of each axis and each axis are independent.
- the interference force included in the control input of the servo motor composed of the semi-closed loop is calculated, and the interference torque generated in each axis is corrected.
- the servo motors of each axis can be controlled as if there is no interference between the drive axes.
- FIG. 1 is a schematic diagram of a general vertical two-axis robot
- Fig. 2 is a schematic diagram of a vertical two-axis robot having a parallelogram link structure
- FIG. 3 is an explanatory diagram showing each coefficient of the equation of motion.
- FIG. 4 is an explanatory diagram of a torque transmission mechanism between a motor and an arm.
- FIG. 5 is a block diagram showing the configuration of a control system by the control device of the present invention for two axes.
- FIG. 6 is a characteristic diagram of a zero command given to the first axis and a step type speed command given to the second axis.
- FIG. 7 is an explanatory diagram of the interference force generated on the first axis in normal PI control.
- FIG. 1 is a schematic diagram of a general vertical two-axis robot
- Fig. 2 is a schematic diagram of a vertical two-axis robot having a parallelogram link structure.
- FIG. 3 is an explanatory diagram showing each coefficient of the equation of motion
- FIG. 8 is an explanatory view showing a state where the interference force is removed in the present invention.
- FIG. 9 is an explanatory diagram showing the deviation of the trajectory that occurs in the normal PI control.
- FIG. 10 is an explanatory diagram showing the trajectory deviation improved in the present invention.
- FIG. 1 is a schematic diagram of a general vertical two-axis robot having an L axis and a U axis
- FIG. 2 is a schematic diagram of a vertical two axis robot having a parallelogram link structure.
- Figure L is the length of the L-axis
- the mass of M L is L axis
- FLG length to the center of gravity of the L-axis 8f L the angle of the L axis
- Mu is the mass of the U-axis
- € Ug is the U-axis
- the length to the center of gravity, ⁇ ; is the angle of the U axis to the L axis.
- the equations of motion of the two-axis robot shown in FIGS. 1 and 2 can be expressed by the following equations 1 to 6.
- a relational expression representing the torsion angle generated in each shaft reducer is expressed by the following equation.
- Equation 1 8 mL is the angle of the L-axis motor, 6 m up to the angle of the U-axis motor, iV L is the reduction ratio of the L-axis reducer, JV is the deceleration ratio of the u-axis reducer, and esL is the L-axis reducer twist angle occurs
- e s monument is a torsion angle caused in the U-axis reduction gear.
- Equation (3) and (4) are ⁇ -coefficients obtained from Lagrange's equation of motion.
- K CL is the panel constant of the L-axis speed reducer, ie, the panel constant of the U-axis speed reducer
- d L is the torque disturbance acting on the L-axis
- the torque disturbance acting on the U-axis is the torque disturbance acting on the U-axis.
- Figure 3 shows the coefficients of the equation of motion.
- / m L is the moment of inertia of the L-axis motor
- the control input of ULre / i L axis which is the control input of U [/ re / U axis.
- the control input here is expressed as an acceleration command.
- FIG. 5 is a block diagram showing the configuration of a control system by the control device of the present invention for two axes.
- 10 is the L-axis state observation means
- 11 is the U-axis state observation means
- 12 is the L-axis state controller
- 13 is the U-axis state controller
- 14 is the interference force calculation means.
- 6fL (4) -(1 + KJL) WLL 20 € L + " ⁇ ""WLi ⁇ ULref- KjLWLLSwL 2 28s
- Equations 7 and 8 the four-time differentiation of the arm position includes the state quantities of its own axis and control inputs, as well as the state quantities of other axes and a disturbance term.
- the following equation can be used to separate the control input into values output to commands, values due to interference from other axes, and values due to disturbances other than interference.
- ULLre / U baboon re / i required control inputs to operate the respective axes, ULCref, a control input for compensating for interference force from U shed Cre i ⁇ other axes, ULdre U shed d re / ⁇ It is a control input for compensating the disturbance included in the control input.
- the condition for decoupling each axis is that the following equation is satisfied.
- U UCref + U Udref KjuNjiO UL 2 ⁇ SL + NJJ ⁇ ⁇ ⁇ ⁇ ⁇ SL
- Equation 14 The condition for removing the interference force with the movement of the own axis is to compensate the control input so that Equations 11 and 12 hold. In other words, Equations 13 and 14 hold.
- Equations 15 and 16 By substituting Equations 15 and 16 into Equations 13 and 14, the following equation can be obtained as the amount of compensation for decoupling. ... ' ⁇ 17) UUC ⁇ ⁇ UU ⁇ LU ⁇ ( ⁇ ⁇ ⁇ -ohi L 2) .... ⁇ 18) However, + flight) ⁇ baboon 2 ⁇ ⁇ 5 Fei
- Equations 1 to 22 When the disturbance can be ignored or cannot be observed, the disturbance terms in Equations 1 to 22 can be omitted and applied.
- the present invention can be used in the control field of an industrial robot including a panel element such as a speed reducer on each axis.
Landscapes
- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
- Numerical Control (AREA)
- Feedback Control In General (AREA)
- Control Of Position Or Direction (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970707265A KR100359577B1 (ko) | 1996-02-20 | 1997-02-17 | 다축로보트의제어장치 |
US08/930,448 US6069463A (en) | 1996-02-20 | 1997-02-17 | Controller of multi-axis robot |
EP97902711A EP0833238B1 (en) | 1996-02-20 | 1997-02-17 | Controller of multi-axis robot |
DE69723934T DE69723934T2 (de) | 1996-02-20 | 1997-02-17 | Steuereinrichtung für einen mehrachsigen roboter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8/32230 | 1996-02-20 | ||
JP03223096A JP3611147B2 (ja) | 1996-02-20 | 1996-02-20 | 多軸ロボットの制御装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997031303A1 true WO1997031303A1 (fr) | 1997-08-28 |
Family
ID=12353178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/000421 WO1997031303A1 (fr) | 1996-02-20 | 1997-02-17 | Organe de commande d'un robot multiaxial |
Country Status (6)
Country | Link |
---|---|
US (1) | US6069463A (ja) |
EP (1) | EP0833238B1 (ja) |
JP (1) | JP3611147B2 (ja) |
KR (1) | KR100359577B1 (ja) |
DE (1) | DE69723934T2 (ja) |
WO (1) | WO1997031303A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3981773B2 (ja) * | 1997-05-28 | 2007-09-26 | 株式会社安川電機 | ロボット制御装置 |
JP2005219133A (ja) * | 2004-02-03 | 2005-08-18 | Fanuc Ltd | ロボット用サーボモータ制御装置およびロボット |
US7847502B2 (en) | 2007-01-04 | 2010-12-07 | Fanuc Ltd | Device and method for controlling machine tool |
US7979160B2 (en) * | 2007-07-31 | 2011-07-12 | Spirit Aerosystems, Inc. | System and method for robotic accuracy improvement |
JP5417161B2 (ja) * | 2009-12-28 | 2014-02-12 | 川崎重工業株式会社 | ロボットの制振方法およびロボットの制御装置 |
JP5411687B2 (ja) * | 2009-12-28 | 2014-02-12 | 川崎重工業株式会社 | ロボットの制御装置 |
CN104260093A (zh) * | 2014-07-30 | 2015-01-07 | 华南理工大学 | 一种delta并联机械手控制系统 |
KR101734241B1 (ko) * | 2015-12-10 | 2017-05-11 | 현대자동차 주식회사 | 트렁크 리드 힌지 지능형 로더유닛 |
EP3620277B1 (en) * | 2017-05-03 | 2021-11-17 | Nachi-Fujikoshi Corp. | Robot system |
JP6986373B2 (ja) | 2017-06-21 | 2021-12-22 | 川崎重工業株式会社 | ロボットシステム及びロボットシステムの制御方法 |
DE102018207748A1 (de) * | 2018-05-17 | 2019-11-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Antriebssystem und Verfahren zur Verwendung eines Antriebssystems |
CN113467362A (zh) * | 2021-07-05 | 2021-10-01 | 无锡沃兹智能科技有限公司 | 一种集成式控制系统 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01136216A (ja) * | 1987-11-24 | 1989-05-29 | Daikin Ind Ltd | 多関節ロボットのサーボ制御方法 |
JPH01163808A (ja) * | 1987-12-21 | 1989-06-28 | Agency Of Ind Science & Technol | ロボットの非干渉化制御方法 |
JPH03250307A (ja) * | 1990-02-28 | 1991-11-08 | Canon Inc | 剛物体の経路制御装置 |
JPH03257602A (ja) * | 1990-03-08 | 1991-11-18 | Hitachi Ltd | 多軸機構の動作指令生成方法及び装置 |
JPH0577176A (ja) * | 1991-09-21 | 1993-03-30 | Toshiba Corp | 多軸ロボツトの制御装置 |
JPH05313752A (ja) * | 1992-05-07 | 1993-11-26 | Hitachi Ltd | ロボットの制御装置 |
JPH06246652A (ja) * | 1993-02-23 | 1994-09-06 | Nippon Telegr & Teleph Corp <Ntt> | 重量物ハンドリング用マニピュレータ装置 |
JPH07129210A (ja) * | 1993-11-05 | 1995-05-19 | Hitachi Ltd | 多軸機構の質量配分決定法,加減速特徴パラメ−タ決定法,質量配分・加減速特徴パラメ−タ同時決定法,前記質量配分決定法に基づく質量配分を有する付加質量装着ロボット及び特定質量配分具備ロボット |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60207477A (ja) * | 1984-03-30 | 1985-10-19 | Hitachi Ltd | 電動アクチユエ−タ |
JPS62126883A (ja) * | 1985-11-27 | 1987-06-09 | Fanuc Ltd | 速度制御方式 |
JP2645004B2 (ja) * | 1987-02-27 | 1997-08-25 | 株式会社東芝 | 多自由度マニピユレータの制御装置 |
JPS63314606A (ja) * | 1987-06-18 | 1988-12-22 | Fanuc Ltd | 多関節ロボットの制御装置 |
US4925312A (en) * | 1988-03-21 | 1990-05-15 | Staubli International Ag | Robot control system having adaptive feedforward torque control for improved accuracy |
JPH03118618A (ja) * | 1989-09-30 | 1991-05-21 | Fanuc Ltd | 制振効果を持つスライディングモード制御による制御方式 |
US5331265A (en) * | 1989-12-11 | 1994-07-19 | Fanuc Ltd. | Method of executing sliding-mode control including twist feedback |
US5101472A (en) * | 1990-10-04 | 1992-03-31 | Repperger Daniel W | Military robotic controller with majorizing function and nonlinear torque capability |
US5225757A (en) * | 1991-06-17 | 1993-07-06 | Tektronix, Inc. | Methods for deriving and implementing motion profiles for drive systems |
JP3235242B2 (ja) * | 1992-11-30 | 2001-12-04 | 株式会社明電舎 | 2慣性ねじり振動系の速度制御におけるイナーシャ推定方法 |
JP3227000B2 (ja) * | 1993-01-21 | 2001-11-12 | 株式会社日立製作所 | モータの速度制御装置 |
JP3200496B2 (ja) * | 1993-03-18 | 2001-08-20 | 株式会社三協精機製作所 | 多関節型ロボット制御装置 |
JPH077307A (ja) * | 1993-06-15 | 1995-01-10 | Fujitsu Ltd | マイクロ波終端器 |
JP3300144B2 (ja) * | 1993-12-28 | 2002-07-08 | 株式会社神戸製鋼所 | 多軸ロボットのウィービング制御方法 |
US5650704A (en) * | 1995-06-29 | 1997-07-22 | Massachusetts Institute Of Technology | Elastic actuator for precise force control |
JPH09212203A (ja) * | 1995-11-30 | 1997-08-15 | Sony Corp | ロボット制御装置 |
US5767648A (en) * | 1996-04-19 | 1998-06-16 | Massachusetts Institute Of Technology | Base force/torque sensor apparatus for the precise control of manipulators with joint friction and a method of use thereof |
-
1996
- 1996-02-20 JP JP03223096A patent/JP3611147B2/ja not_active Expired - Fee Related
-
1997
- 1997-02-17 US US08/930,448 patent/US6069463A/en not_active Expired - Lifetime
- 1997-02-17 WO PCT/JP1997/000421 patent/WO1997031303A1/ja active IP Right Grant
- 1997-02-17 EP EP97902711A patent/EP0833238B1/en not_active Expired - Lifetime
- 1997-02-17 DE DE69723934T patent/DE69723934T2/de not_active Expired - Lifetime
- 1997-02-17 KR KR1019970707265A patent/KR100359577B1/ko not_active IP Right Cessation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01136216A (ja) * | 1987-11-24 | 1989-05-29 | Daikin Ind Ltd | 多関節ロボットのサーボ制御方法 |
JPH01163808A (ja) * | 1987-12-21 | 1989-06-28 | Agency Of Ind Science & Technol | ロボットの非干渉化制御方法 |
JPH03250307A (ja) * | 1990-02-28 | 1991-11-08 | Canon Inc | 剛物体の経路制御装置 |
JPH03257602A (ja) * | 1990-03-08 | 1991-11-18 | Hitachi Ltd | 多軸機構の動作指令生成方法及び装置 |
JPH0577176A (ja) * | 1991-09-21 | 1993-03-30 | Toshiba Corp | 多軸ロボツトの制御装置 |
JPH05313752A (ja) * | 1992-05-07 | 1993-11-26 | Hitachi Ltd | ロボットの制御装置 |
JPH06246652A (ja) * | 1993-02-23 | 1994-09-06 | Nippon Telegr & Teleph Corp <Ntt> | 重量物ハンドリング用マニピュレータ装置 |
JPH07129210A (ja) * | 1993-11-05 | 1995-05-19 | Hitachi Ltd | 多軸機構の質量配分決定法,加減速特徴パラメ−タ決定法,質量配分・加減速特徴パラメ−タ同時決定法,前記質量配分決定法に基づく質量配分を有する付加質量装着ロボット及び特定質量配分具備ロボット |
Non-Patent Citations (1)
Title |
---|
See also references of EP0833238A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP0833238B1 (en) | 2003-08-06 |
US6069463A (en) | 2000-05-30 |
DE69723934T2 (de) | 2004-02-12 |
EP0833238A4 (en) | 2000-11-29 |
KR19980703865A (ko) | 1998-12-05 |
EP0833238A1 (en) | 1998-04-01 |
KR100359577B1 (ko) | 2002-12-18 |
DE69723934D1 (de) | 2003-09-11 |
JP3611147B2 (ja) | 2005-01-19 |
JPH09222910A (ja) | 1997-08-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109664297B (zh) | 机器人的振动抑制方法、系统、装置及计算机可读存储器 | |
US11453114B2 (en) | Full-state control method for the master-slave robot system with flexible joints and time-varying delays | |
EP2954986B1 (de) | Vorrichtung und Verfahren zum Steuern und Regeln eines Mehrkörpersystems | |
WO1997031303A1 (fr) | Organe de commande d'un robot multiaxial | |
US7546191B2 (en) | Handwheel damping control of active steering system | |
CN105676896A (zh) | 一种应用于机器人伺服系统的前馈控制方法 | |
JPH08249067A (ja) | 電動機の位置制御装置 | |
JP3981773B2 (ja) | ロボット制御装置 | |
CN112720482B (zh) | 一种工业机器人运动控制方法 | |
WO1992014195A1 (en) | Oscillation damper | |
JPH0991004A (ja) | 負荷重量の推定方法 | |
CN114280932B (zh) | 一种考虑伺服机构动态特性的运载器位姿一体化控制方法 | |
CN113664830B (zh) | 基于模型预测阻抗控制的双机器人同步加工方法及系统 | |
Schempf | Comparative design, modeling, and control analysis of robotic transmissions | |
EP4099102A1 (en) | Drive unit adopting admittance control | |
JP2783321B2 (ja) | 多関節ロボットの制御装置 | |
CN112247984B (zh) | 一种变刚度关节轨迹跟踪控制方法 | |
Stoten et al. | The application of the minimal control synthesis algorithm to the hybrid control of a class 1 manipulator | |
Kircanski et al. | Position control of robot manipulators with elastic joints using force feedback | |
JPH077307B2 (ja) | ロボットの非干渉化制御方法 | |
Jansen et al. | Design of a telerobotic controller with joint torque sensors | |
CN117113627A (zh) | 一种谐波减速器传动误差补偿控制方法、系统和存储介质 | |
CN114055477A (zh) | 一种用于双电机共轴驱动机器人关节的消隙控制方法 | |
JPH04318603A (ja) | 駆動システムと被駆動システムとの間の弾性補償方法および装置 | |
CN115629533A (zh) | 一种柔性机器人关节谐波减速器高频谐振抑制方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 97190094.9 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN KR US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 08930448 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1019970707265 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1997902711 Country of ref document: EP |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWP | Wipo information: published in national office |
Ref document number: 1997902711 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1019970707265 Country of ref document: KR |
|
WWG | Wipo information: grant in national office |
Ref document number: 1019970707265 Country of ref document: KR |
|
WWG | Wipo information: grant in national office |
Ref document number: 1997902711 Country of ref document: EP |