CN205787874U - Service robot control system based on EPA - Google Patents

Service robot control system based on EPA Download PDF

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Publication number
CN205787874U
CN205787874U CN201620750684.1U CN201620750684U CN205787874U CN 205787874 U CN205787874 U CN 205787874U CN 201620750684 U CN201620750684 U CN 201620750684U CN 205787874 U CN205787874 U CN 205787874U
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China
Prior art keywords
module
control
control system
epa
service robot
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Expired - Fee Related
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CN201620750684.1U
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Chinese (zh)
Inventor
唐宁
刘彦武
许国华
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Changzhou Smart Robot Technology Co Ltd
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Changzhou Smart Robot Technology Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

This utility model provides a kind of service robot control system based on EPA, including the kinetic control system main website being arranged on service robot, EtherCAT interface and several slave stations, kinetic control system main website is by EtherCAT interface and slave station linearly connected successively, and the unit module of slave station includes rotating one or more in intelligent switch joint module, straight line intelligent switch joint module, numeral I/O control module, analog quantity control module and sensor acquisition module.Use the method that EtherCAT EPA combines with industry automatic control, utilize EtherCAT topologic network, each motor or information acquisition module are a slave station module, each module can carry out freely adding and cutting according to demand, realize the flexible combination of different service robot and the Based Intelligent Control to different control objects, and realize the most expansible of control object quantity by EtherCAT EPA, there is the advantages such as networking, intellectuality and real-time are good.

Description

Service robot control system based on EPA
Technical field
This utility model relates to service robot technical field, particularly relates to a kind of server based on EPA Device people's control system.
Background technology
Along with development and the raising of human civilization degree of society, modern high technology service of goods robot is used to come Quality of making the life better and life degree of freedom become inexorable trend.
As it is shown in figure 1, existing traditional services robot control system mainly uses tree topology pattern, controller will be with All of joint motor driver or sensor are attached, and motor control interpolation calculating and the shape of all motors be responsible for by controller State controls, and controller is responsible for all of sensor information acquisition controlling, is also performed to human-computer interface control, this service robot System constructing pattern under have some problem following:
1. the core processor of control system needs the highest performance, because he to process all of joint motor interpolation fortune Calculating, the operand of needs is the biggest;
2., for motor or the sensor of varying number, control system will increase Interface design and wires design, therefore, Corresponding every a service robot is required for redesigning and making the hardware system of controller;
The most this structure brings substantial amounts of cable to connect, and system reliability is poor, to the space requirement of robot very Strictly;
4. Mei Kuan robot will carry out the redesign of software, and wherein interpolation operation and the co-operating in each joint is wanted The designer asking very professional is designed, and software design workload is big, extends very inflexible.
As in figure 2 it is shown, conventional bus is to use the bus such as CAN, PROFIBUS to expand system, use bus handle Each joint driver and sensor are attached, and this control method solves a system bus difficult problem for a part, simplifies System complexity, improves system reliability.Motor control interpolation calculating and state control, the control of all motors be responsible for by controller All of sensor information acquisition controlling is responsible for by device processed.Controller is communicated with user's master control by usb bus.This service Some problem following is had under the system constructing pattern of robot:
1. the core processor of control system needs the highest performance, because it to process all of joint motor interpolation fortune Calculating, the operand of needs is the biggest;
2. the highest due to conventional bus transfer rate, and conventional bus is not for the synchronization of motor control particular design Mechanism, so system is transmitted by a definite limitation for the interpolation data of each shutdown, system response real-time is the highest, data pass Defeated slowly;
3. Mei Kuan robot will carry out the redesign of software, and wherein interpolation operation and the co-operating in each joint is wanted The designer asking very professional is designed, and software design workload is big.
Utility model content
Technical problem to be solved in the utility model is: in order to overcome deficiency of the prior art, lacks on market Weary this present situation of service robot control system, in conjunction with service robot compact conformation, inner space is little, movable joint is scattered Present situation, controls technology according to robotics, industrial Ethernet technology, Intelligent servo, and this utility model provides a kind of based on work The service robot control system of industrial Ethernet, has the advantages such as networking, intellectuality and real-time are good.
The technical scheme that this utility model solves its technical problem to be taken is: a kind of service based on EPA Robot control system, including the kinetic control system main website being arranged on service robot, EtherCAT interface and several System slave station, described kinetic control system main website is by EtherCAT interface and described system slave station linearly connected successively, each System slave station is a unit module, and the unit module of described system slave station includes rotating intelligent switch joint module, straight line intelligence is closed One or more in joint module, numeral I/O control module, analog quantity control module and sensor acquisition module, described system Slave station is respectively provided with the intelligence control system of oneself.
Rotate intelligent switch joint module and straight line intelligent switch joint module mainly have employed collection EtherCAT interface, control module The Intelligent servo motor being integrated with driving module, such that it is able to by each joint of EtherCAT EPA bus marco Intelligent servo motor, each intelligent switch joint has the control system of oneself, can be independently according to order execution, it is not necessary to main Stand interpolation, reduce the performance requirement of control system core processor;EtherCAT EPA is used to connect as main communication Mouthful, the highest communication speed, up to 100M, accommodates up to slave station articulation mechanism 65535, meets multi-joint service robot to logical News speed, real-time and the requirement of synchronicity;Each motor or information acquisition module are a slave station module, and each module can root Carry out freely adding and cutting according to demand, it is achieved the flexible combination of different service robots and the intelligence to different control objects Control;Each joint and module be connected by EtherCAT bus, it is not necessary to substantial amounts of wiring, reduce the difficulty of wiring, It is more applicable for the service robot of limited space.
Rotate intelligent switch joint module: rotate intelligent switch joint module integrated intelligence control system, motor, motor-drive circuit, The part such as decelerator, absolute value encoder, is responsible for controlling joint motor and is rotated according to instruction.
Straight line intelligent switch joint module: straight line intelligent switch joint module integrated intelligence control system, motor, motor-drive circuit, The part such as decelerator, absolute value encoder, is responsible for controlling joint motor and carries out straight reciprocating motion according to instruction.
Digital I/O module: integrating control unit, can pass through bus line command Gather and input digital signal, and can export IO measures, and such as, will control the switching signal of several relay and electromagnetic valve, then this module can pass through main website and EPA The corresponding command transmitted successively performs output function.Such as, outside has the input components and parts such as several proximity switches to be triggered, Then module passes to main website by bus in time the information of input components and parts.
Analog quantity control module: send master to by bus after processing needing the analog signals gathered to be digitized Stand, it is possible to become analog output according to the digital signal that main website sends through D/A conversion.
Sensor acquisition module: integrated conventional robot sensor and control system, signal acquiring system etc., such as: Acceleration transducer, piezoelectric transducer, infrared sensor, ultrasonic sensor, laser range sensor, Temperature Humidity Sensor, Light-sensitive array sensor, baroceptor etc..
System expansion module: for the functional module being temporarily not directed to, it is soft that this system leaves standard hardware interface, standard Part agreement, the later stage can make system have good autgmentability according to the new module seamless connecting system of Application Design.
Subsystem master station module: this module is the slave station module of main system, but is the most additionally integrated with a set of The main website hardware interface of EPA, he can down extend and connect oneself slave station module a set of, such design pattern Increasingly complex multistage EPA system can be built.Make system expanded function more powerful.
Further, the unit module of described system slave station also includes subsystem main website, and described subsystem main website passes through EtherCAT interface and subsystem slave station linearly connected successively, each subsystem slave station is a unit module, described subsystem The unit module of slave station includes rotating intelligent switch joint module, straight line intelligent switch joint module, numeral I/O control module, analog quantity control One or more in molding block and sensor acquisition module.Subsystem can be set under main system, can directly use master The slave station of system, as the main website of subsystem, is controlled each slave station of subsystem, it is achieved modular management by subsystem main website.
Further, described rotation intelligent switch joint module, straight line intelligent switch joint module, numeral I/O control module, analog quantity control In molding block and sensor acquisition module, the quantity of same unit module is one or more.
Further, the unit module of described system slave station and described subsystem slave station also includes system expansion module, described The quantity of system expansion module is one or more.
Further, described kinetic control system main website and described subsystem main website are provided with and are stored in FLASH memory Motion control software storehouse, described motion control software storehouse includes the management of motor control function library, control protocol, intelligent diagnostics system System, Information Collecting & Processing and EtherCAT EPA telecommunication management.By built in motion control software library complete conventional and The Multi-axis motion control algorithm of ad hoc structure service robot, secondary development person can be by calling software library motor control function Interface can complete the motor control design of complexity.Motion control software storehouse can constantly be expanded, free cutting.Pass through software library Design can save the amount of labour and the design time of service robot developer in a large number, also reduce the specialty of developer simultaneously Technology requirement, it is not necessary to developer carries out mathematical modeling and the software design of complexity.
Further, also including power module, described power module provides working power for whole control system.
According to the forms of motion of service robot, rotary type Intelligent servo motor is used, for directly for the joint rotated The end effector of line motion uses orthoscopic Intelligent servo motor, rotary type Intelligent servo motor and orthoscopic Intelligent servo electricity Machine is all the Intelligent servo motor integrating motor, driver, drive disk assembly, detecting element and controller, has integrated level Height, compact conformation, the advantage such as intelligent and easy to use.
Further, described rotation intelligent switch joint module includes rotary type Intelligent servo motor, described rotary type Intelligent servo Motor includes integrating control module, driving module and integration driving motor in enclosure interior, described integration transmission Motor is respectively arranged at two ends with actively output shaft and driven output shaft, and described active output shaft stretches out from shell one end, described driven Output shaft stretches out from the housing other end, and described control module is positioned at above described driving module, and described control module is with described Module is driven up and down slotting connection to be formed an entirety and be fixed on the housing of described integration driving motor side.
Further, described straight line intelligent switch joint module includes orthoscopic Intelligent servo motor, described orthoscopic Intelligent servo Motor includes that ball-screw and decelerator, described ball-screw are connected with the output shaft one of described decelerator.
Kinetic control system uses EtherCAT EPA interface, has networking, intellectuality, real-time etc. excellent Point, and realize the quick exploitation to service robot by the motion control software storehouse of exploitation, the highest communication speed up to 100M, At most can accommodate slave station articulation mechanism 65535.Kinetic control system passes through EtherCAT Industrial Ethernet Control service-delivery machine Each moving component of people, completes sensor data acquisition.User calls intelligent motion control software library function by custom system Interface realizes the parameter to service robot, kinetic control system and moving cell and arranges and status monitoring, and to motion control System transmitting control commands processed, it is corresponding each Intelligent servo motor and control that kinetic control system receives command analysis after order The motion of molding block, and completed each Intelligent servo motor by EtherCAT EPA according to the control parameter set And the control of control module.In robot work process, Intelligent servo motor and control module are by EtherCAT industry ether Net in real time actively to kinetic control system feed back motion state and parameter.By sensing based on EtherCAT EPA Device acquisition module completes connection and the application at sensor common to service robot such as inclination angle, acceleration, ultrasonic, range finding etc..
The beneficial effects of the utility model are: a kind of based on EPA the service robot that this utility model provides Control system, the method using EtherCAT EPA to combine with industry automatic control, utilize EtherCAT Topology group Net, each motor or information acquisition module are a slave station module, and each module can carry out freely adding and cutting according to demand, Realize the flexible combination of different service robot and the Based Intelligent Control to different control objects, and by EtherCAT industry with Too net realizes the most expansible of control object quantity and has the advantages such as networking, intellectuality and real-time are good;
Various exemplary service robots control object is sorted out, the control object of different service robots is returned One change processes, and is encapsulated as different types of standard control object;Different types of service robot motor control is carried out abstract, Set up its Motion Controlling Model, control functional tree, parameter tree, develop service robot intelligent motion control software letter based on this Number storehouse, uses intelligent control software storehouse to realize variety classes service robot on same set of hardware platform and controls, and the suitability is wide.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the principle schematic of tree topology Mode Robot control system;
Fig. 2 is the principle schematic of CAN robot control system;
Fig. 3 is the principle schematic of this utility model most preferred embodiment;
The principle schematic of Tu4Shi system main website;
Fig. 5 is the principle schematic of system slave station.
Detailed description of the invention
Presently in connection with accompanying drawing, this utility model is described in detail.This figure is the schematic diagram simplified, the most in a schematic way Basic structure of the present utility model is described, therefore it only shows the composition relevant with this utility model.
As it is shown on figure 3, a kind of service robot control system based on EPA of the present utility model, including power supply Module and the system main website being arranged on service robot, EtherCAT interface and several system slave stations, power module is The various piece of whole control system provides working power, can provide different power supply according to different modules;System main website Being connected with service robot custom system by usb bus, custom system is realized the system to service robot by user program The Control on Communication of main website and peripheral function control, and system main website is the most linearly connected with described system slave station by EtherCAT interface Connect.System main website integrated motion control software storehouse, motion control software library storage in FLASH memory, be responsible for system from Standing the communication of unit module and control, motion control software storehouse includes the management of motor control function library, control protocol, intelligent diagnostics System, Information Collecting & Processing, EtherCAT EPA telecommunication management, motor drive computing, position feedback op, module to examine Disconnected system, described system slave station is respectively provided with the intelligence control system of oneself.
System slave station implements the functions such as motion and the sensor acquisition of joint module, and each system slave station is a list Element module, the unit module of system slave station includes rotating intelligent switch joint module, straight line intelligent switch joint module, numeral I/O control mould One or more in block, analog quantity control module, sensor acquisition module, subsystem main website and system expansion module, system The quantity of middle same unit module is one or more.
Subsystem main website is by EtherCAT interface and subsystem slave station linearly connected successively, and each subsystem slave station is also One unit module, the unit module of described subsystem slave station includes rotating intelligent switch joint module, straight line intelligent switch joint module, number One or more in word I/O control module, analog quantity control module, sensor acquisition module and system expansion module, subsystem System slave station can also extend the sub-control system of next stage, be extended step by step, the number of same unit module in subsystem Amount is also one or more.
System slave station and subsystem slave station not only include said units module, it is also possible to include other kinds of unit mould Block, can be according to customer demand arbitrary extension.
As shown in Figure 4, system main website uses the system hardware and software mode of embedded system platform ARM+LIUNX to build, main The EPA that communication is EtherCAT standard between slave station, prevailing transmission controls data, each axle interpolation data, intelligence biography The information such as sensor information gathering, system main website and custom system carry out real-time, interactive by usb bus, real-time according to user command Carrying out motor control calculating, link each joint motor, to reach the athletic posture of requirement, trajectory planning, and the merit such as speed controlling Energy.
System main website, in addition to completing the functions such as communication, is mainly integrated with motion control software library facility, provides the user with The one-stop solution of various structures service robot, user has only to operate software library function interface by agreement, Complete the robot multi-joint control of complexity.Robotic master station completes robot motion, this mode from each motor of primal coordination Under, all computings of robot system complete independently, liberate the workload of open personnel, when decreasing the exploitation of service robot Between.
System main website is additionally provided with power management and powers for being connected as system main website with external power source.
As it is shown in figure 5, system slave station uses ARM embedded system platform as control core, economize on electricity for different passes The unit such as the decelerator of the integrated corresponding requirement of machine, motor driven systems, encoder.System slave station is according to the concrete control of system main website System and data command Real Time Drive motor carry out corresponding actions.System slave station can feed back to the fortune of system main website self in time Row state, carries out intelligent diagnostics for system main website to robot system.
Communicating with EtherCAT EPA between master-salve station, the lock in time of each slave station module is less than 1us, it is ensured that The real-time of many shutdown robot interpolation operation, uses linear topology pattern simultaneously so that the wiring of each joint abnormal simple, can Lean on.Under EtherCAT standard, the quantity of slave station can freely increase and reduce, and system extension has considerable flexibility, is System slave station is also integrated with software library, mainly includes that motor drives computing, position feedback processing, ethernet communication management and module to examine Disconnected system etc..
System slave station is additionally provided with power management and powers for being connected as system main website with external power source.
Rotate intelligent switch joint module and include that rotary type Intelligent servo motor, described rotary type Intelligent servo motor include one Being integrated in the control module of enclosure interior, drive module and integration driving motor, described integration driving motor two ends are respectively Being provided with actively output shaft and driven output shaft, described active output shaft stretches out from shell one end, and described driven output shaft is from housing The other end stretches out, and described control module is positioned at above described driving module, and described control module is upper and lower with described driving module Slotting connection is formed an entirety and be fixed on the housing of described integration driving motor side.
Straight line intelligent switch joint module includes that orthoscopic Intelligent servo motor, described orthoscopic Intelligent servo motor include ball Leading screw and decelerator, described ball-screw is connected with the output shaft one of described decelerator.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant work Personnel can carry out various change and amendment completely in the range of without departing from this utility model.This utility model Technical scope is not limited to the content in description, it is necessary to determine its technical scope according to right.

Claims (8)

1. a service robot control system based on EPA, it is characterised in that: include being arranged on service robot On kinetic control system main website, EtherCAT interface and several system slave stations, described kinetic control system main website passes through EtherCAT interface and described system slave station linearly connected successively, each system slave station is a unit module, described unit mould Block includes rotating intelligent switch joint module, straight line intelligent switch joint module, numeral I/O control module, analog quantity control module and sensing One or more in device acquisition module, described system slave station is respectively provided with the intelligence control system of oneself.
2. service robot control system based on EPA as claimed in claim 1, it is characterised in that: described unit Module also includes subsystem main website, and described subsystem main website passes through EtherCAT interface and subsystem slave station linearly connected successively, Each subsystem slave station is a unit module, and described unit module includes rotating intelligent switch joint module, straight line intelligent switch joint mould One or more in block, numeral I/O control module, analog quantity control module and sensor acquisition module.
3. service robot control system based on EPA as claimed in claim 2, it is characterised in that: described rotation Intelligent switch joint module, straight line intelligent switch joint module, numeral I/O control module, analog quantity control module and sensor acquisition module The quantity of middle same unit module is one or more.
4. service robot control system based on EPA as claimed in claim 2, it is characterised in that: described system The unit module of slave station and described subsystem slave station also includes that system expansion module, the quantity of described system expansion module are one Or it is multiple.
5. service robot control system based on EPA as claimed in claim 2, it is characterised in that: described motion Control system main website and described subsystem main website are provided with the motion control software storehouse being stored in FLASH memory, described motion Control software library and include the management of motor control function library, control protocol, intelligent diagnosis system, Information Collecting & Processing and EtherCAT EPA telecommunication management.
6. the service robot control system based on EPA as described in any one of claim 1-5, it is characterised in that: Also including power module, described power module provides working power for whole control system.
7. service robot control system based on EPA as claimed in claim 1, it is characterised in that: described rotation Intelligent switch joint module includes that rotary type Intelligent servo motor, described rotary type Intelligent servo motor include integrating in housing The control module in portion, driving module and integration driving motor, described integration driving motor is respectively arranged at two ends with actively output Axle and driven output shaft, described active output shaft stretches out from shell one end, and described driven output shaft stretches out from the housing other end, institute State control module to be positioned at above described driving module, and described control module is connected formation one to slotting up and down with described driving module Individual entirety is also fixed on the housing of described integration driving motor side.
8. service robot control system based on EPA as claimed in claim 1, it is characterised in that: described straight line Intelligent switch joint module includes that orthoscopic Intelligent servo motor, described orthoscopic Intelligent servo motor include ball-screw and deceleration Device, described ball-screw is connected with the output shaft one of described decelerator.
CN201620750684.1U 2016-07-15 2016-07-15 Service robot control system based on EPA Expired - Fee Related CN205787874U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106054845A (en) * 2016-07-15 2016-10-26 常州灵骏机器人科技有限公司 Service robot control system based on industrial ethernet
CN114162067A (en) * 2021-12-16 2022-03-11 深圳市优必选科技股份有限公司 Quadruped robot and bus module thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106054845A (en) * 2016-07-15 2016-10-26 常州灵骏机器人科技有限公司 Service robot control system based on industrial ethernet
CN114162067A (en) * 2021-12-16 2022-03-11 深圳市优必选科技股份有限公司 Quadruped robot and bus module thereof
CN114162067B (en) * 2021-12-16 2024-03-15 深圳市优必选科技股份有限公司 Four-foot robot and bus module thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161207