CN105945958A - Heavy-load wireless-transmission quad-core constant-speed joint robot control system - Google Patents

Heavy-load wireless-transmission quad-core constant-speed joint robot control system Download PDF

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Publication number
CN105945958A
CN105945958A CN201610413568.5A CN201610413568A CN105945958A CN 105945958 A CN105945958 A CN 105945958A CN 201610413568 A CN201610413568 A CN 201610413568A CN 105945958 A CN105945958 A CN 105945958A
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controller
rare
arm
earth permanent
robot
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CN105945958B (en
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张好明
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Leiton Future Research Institution Jiangsu Co Ltd
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Jiangsu Robobor Bobot Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00Programme-controlled manipulators
    • B25J9/16Programme controls
    • B25J9/1602Programme controls characterised by the control system, structure, architecture
    • B25J9/161Hardware, e.g. neural networks, fuzzy logic, interfaces, processor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00Programme-controlled manipulators
    • B25J9/02Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type
    • B25J9/04Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type by rotating at least one arm, excluding the head movement itself, e.g. cylindrical coordinate type or polar coordinate type
    • B25J9/046Revolute coordinate type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00Programme-controlled manipulators
    • B25J9/16Programme controls
    • B25J9/1674Programme controls characterised by safety, monitoring, diagnostic
    • B25J9/1676Avoiding collision or forbidden zones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00Programme-controlled manipulators
    • B25J9/16Programme controls
    • B25J9/1679Programme controls characterised by the tasks executed
    • B25J9/1689Teleoperation

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  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • Manipulator (AREA)

Abstract

The invention discloses a heavy-load wireless-transmission quad-core constant-speed joint robot control system. The control system comprises a master station control computer and a controller, wherein the controller comprises a DSP chip controller, a speech recognition processor, a PLC, an image acquisition module, a wireless transmission module and an ARM controller; the DSP chip controller and the ARM controller are both in communication connection with the master station control computer; the DSP chip controller, the speech recognition processor and the ARM controller are in communication connection with one another; four rare-earth permanent-magnet synchronous servo motors are all in communication with the DSP controller; and a plurality of obstacle-avoiding displacement sensors, a positioning sensor, gyroscopes and acceleration sensors are all in communication with the DSP chip controller and the ARM controller. The heavy-load wireless-transmission quad-core constant-speed joint robot control system is high in computing speed, enables a joint robot arm to be flexible in turning and stable and accurate in movement and facilitates wireless monitoring.

Description

A kind of heavy duty is wirelessly transferred four core constant speed articulated robot control systems
Technical field
The present invention relates to a kind of heavy duty and be wirelessly transferred four core constant speed articulated robot control systems, belong to assembling work Four articulated robot arm applications.
Background technology
In the industrial production, industrial robot can substitute for the mankind do that some are more dull, the most frequently and repetitive rate relatively High long working, or the operation under danger, adverse circumstances, be typically used as moving to take part and assembly work, at micro-electricity The fields such as sub-manufacturing industry, plastics industry, auto industry, electronics industry, pharmaceutical industries and food industry obtain widely should With, it is for improving production automation level, labor productivity and economic benefit, guarantee product quality, guaranteeing personal safety, change Kind work situation, reduces labor intensity, save material consumption and reduce production cost etc. and have highly important meaning.
The SCARA industrial robot i.e. robot arm of assembling work is the industrial robot of a kind of circular cylindrical coordinate type, it Rely on rotary joint large arm and forearm to realize the quick location in X-Y plane, rely on a wrist linear joint and a hands Wrist rotary joint does flexible and rotary motion in z-direction, and it has four freedoms of motion, and the manipulator of this series moves at it The four direction making space has finite stiffness, and has infinitely great rigidity on remaining other two direction.This structure Characteristic makes SCARA robot be good at and captures object from a bit, is the most quickly placed to another point, therefore SCARA robot Production line for automatically assembling is widely used.SCARA robot architecture is compact, flexible movements, and speed is fast, position is smart Degree height, its use substantially increases the robot adaptability to Complex Assembly task, also reduces cost simultaneously, improve work Make space availability ratio.
SCARA articulated robot to judge the location parameter that master controller inputs during transporting goods the moment, and sentences Disconnected environment moment avoidance around, then by motion controller repetitive control, it accelerates accurately and deceleration is transported goods, Deviation accumulation somewhat is possible to cause transporting unsuccessfully in many bouts move.Although the domestic use to SCARA robot There are decades, but owing to domestic industry robot development starting ratio is later, affected by more key technology, SCARA machine Man-based development is also affected by institute, and traditional robot principle is as it is shown in figure 1, there is great number of issues during life-time service:
(1) when SCARA robot carries out zero position playback, or when robot resets, the mode of artificial range estimation is relied on, The zero position making robot sets wrong.
(2) although permanent-magnet DC servo motor relatively direct current generator, motor function increase, but common permanent magnetism is straight Flow servo motor is for there being brush configuration, because there is collector ring carbon brush structure, produces spark when motor runs, particularly when high speed Serious ring fire will be produced, produce radio interference, be not suitable for high speed rotating, be not suitable for applying to the SCARA machine of run with load Device people.
(3) permanent-magnet DC servo motor is for there being brush configuration, directly contacts and high speed relative motion between collector ring and carbon brush, This frame for movement makes mechanical friction, produces bigger mechanical noise so that the sound pollution of SCARA robot increases Greatly.
(4) although DC permanent-magnetic brushless servomotor relatively motor, direct current generator and DC servo motor performance Improve, but its load capacity is relatively weak, it is impossible to meet heavy duty SCARA robot system requirement.
(5) starting after robot runs into emergency needs parking or stops is all to be completed by button, machine The degree of intelligence of people is the highest.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of heavy duty and is wirelessly transferred four core constant speed articulated robots controls System, this heavy duty is wirelessly transferred four core constant speed articulated robot control systems and calculates speed soon, makes articulated robot arm turn to Flexibly, having stable behavior is accurate, bearing capacity is big, stable performance, it is simple to wireless monitor, and the degree of intelligence of robot is high.
For solving above-mentioned technical problem, the technical solution used in the present invention is: provide a kind of heavy duty to be wirelessly transferred four cores normal Speed articulated robot control system, described articulated robot uses the rotation of rare-earth permanent-magnetic synchronous servomotor X driven machine people's large arm Transhipment is dynamic, use rare-earth permanent-magnetic synchronous servomotor Y driven machine people's forearm rotary motion, use rare-earth permanent-magnetic synchronous servo electricity Machine Z driven machine human wrist rotary motion, employing rare-earth permanent-magnetic synchronous servomotor R driven machine human wrist elevating movement, institute State and avoidance displacement transducer S1, avoidance displacement transducer S2, gyroscope and acceleration transducer A1 be installed on robot's arm, Avoidance displacement transducer S3, avoidance displacement transducer S4, gyroscope and acceleration transducer are installed on described robot forearm A2, described robot wrist is provided with alignment sensor S5, gyroscope and acceleration transducer A3, described control system bag Including main website and control computer and controller, described controller includes dsp chip controller, PlC controller, voice recognition processing Device, image capture module, wireless transport module and ARM controller, logical between described image capture module and wireless transport module Letter connects, and described dsp chip controller, voice recognition processor and PlC controller all control compunication with described main website Connecting, described dsp chip controller, voice recognition processor and ARM controller are communicatively connected to each other, described wireless transport module Communicating to connect with ARM controller, described PlC controller communicates to connect with ARM controller, described rare-earth permanent-magnetic synchronous servomotor X, rare-earth permanent-magnetic synchronous servomotor Y, rare-earth permanent-magnetic synchronous servomotor Z and rare-earth permanent-magnetic synchronous servomotor R are all with described Dsp chip controller communicate to connect, described avoidance displacement transducer S1, avoidance displacement transducer S2, avoidance displacement transducer S3, Avoidance displacement transducer S4, alignment sensor S5, gyroscope, acceleration transducer A1, acceleration transducer A2 and acceleration pass Sensor A3 communicates to connect with described dsp chip controller and ARM controller all simultaneously.
In a preferred embodiment of the present invention, also include the master that power supply is provided for described articulated robot and control system Controller in power supply and stand-by power supply, each described motor in described articulated robot and sensor and control system is equal It is electrically connected with described main power source and/or stand-by power supply.
In a preferred embodiment of the present invention, described rare-earth permanent-magnetic synchronous servomotor X, rare-earth permanent-magnetic synchronous servo electricity The even photoelectric encoder that is provided with on machine Y, rare-earth permanent-magnetic synchronous servomotor Z and rare-earth permanent-magnetic synchronous servomotor R, described photoelectricity Encoder is electrically connected with described dsp chip controller.
In a preferred embodiment of the present invention, described image capture module is CCD camera assembly.
In a preferred embodiment of the present invention, in described image capture module, it is provided with decoding chip.
In a preferred embodiment of the present invention, described robot's arm is provided with magnetoelectric transducer EM1, described machine Magnetoelectric transducer EM2 is installed on people's forearm, described robot wrist is provided with magnetoelectric transducer EM3 and EM4, described magnetoelectricity Sensor EM1, magnetoelectric transducer EM2, magnetoelectric transducer EM3 and EM4 all lead to described dsp chip controller and ARM controller Letter connects.
The invention has the beneficial effects as follows: the heavy duty of the present invention is wirelessly transferred four core constant speed articulated robot control systems and calculates Speed is fast, makes that articulated robot arm turns to flexibly, having stable behavior is accurate, bearing capacity is big, stable performance, it is simple to wireless monitor, The degree of intelligence of robot is high, and the addition of wireless transmitting system makes main website can understand working result in real time, and main website can simultaneously With the SCARA robot of change the most in real time task.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings Accompanying drawing, wherein:
Fig. 1 is tradition SCARA robot controller schematic diagram;
Fig. 2 is based on four axle rare-earth permanent-magnetic synchronous servomotor SCARA robot two-dimensional structure figures;
Fig. 3 is based on four core four axle rare-earth permanent-magnetic synchronous servomotor SCARA robot controller schematic diagrams;
Fig. 4 is based on four core four axle rare-earth permanent-magnetic synchronous servomotor SCARA robot program's block diagrams;
Fig. 5 is based on four core four axle rare-earth permanent-magnetic synchronous servomotor motion principle figures;
Fig. 6 is four spindle motor acceleration and deceleration curves figures;
Fig. 7 is that the heavy duty of the present invention is wirelessly transferred four core constant speed articulated robot Control system architecture schematic diagrams.
In accompanying drawing, the labelling of each parts is as follows: 1, main website controls computer, 2, controller, 3, dsp chip controller, 4, ARM controller, 5, main power source, 6, stand-by power supply, 7, rare-earth permanent-magnetic synchronous servomotor X, 8, rare-earth permanent-magnetic synchronous servomotor Y, 9, rare-earth permanent-magnetic synchronous servomotor Z, 10, rare-earth permanent-magnetic synchronous servomotor R, 11, photoelectric encoder, 12, avoidance displacement Sensor S1,13, avoidance displacement transducer S2,14, avoidance displacement transducer S3,15, avoidance displacement transducer S4,16, location Sensor S5,17, acceleration transducer A1,18, acceleration transducer A2,19, acceleration transducer A3,20, PLC, 21, magnetoelectric transducer EM1,22, magnetoelectric transducer EM2,23, magnetoelectric transducer EM3,24, magnetoelectric transducer EM4,25, wireless biography Defeated module, 26, image capture module, 27, decoding chip, 28, voice recognition processor, 29, gyroscope.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement Example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area is common All other embodiments that technical staff is obtained under not making creative work premise, broadly fall into the model of present invention protection Enclose.
Referring to Fig. 2 to Fig. 7, the embodiment of the present invention includes: a kind of heavy duty is wirelessly transferred four core constant speed articulated robot controls System processed, this machine artificially SCARA robots based on four axle rare-earth permanent-magnetic synchronous servomotors, the most described articulated robot is adopted With rare-earth permanent-magnetic synchronous servomotor X7 driven machine people's large arm rotary motion, rare-earth permanent-magnetic synchronous servomotor Y8 is used to drive Robot forearm rotary motion, employing rare-earth permanent-magnetic synchronous servomotor Z9 driven machine human wrist rotary motion, employing rare earth Permanent magnet synchronous servo motor R10 driven machine human wrist elevating movement, described robot's arm is provided with avoidance displacement sensing Device S1 12, avoidance displacement transducer S2 13, gyroscope 29 and acceleration transducer A1 17, described robot forearm is installed There are avoidance displacement transducer S3 14, avoidance displacement transducer S4 15, gyroscope 29 and acceleration transducer A2 18, described machine Alignment sensor S5 16, gyroscope 29 and acceleration transducer A3 19 are installed in device human wrist.
Described control system includes that main website controls computer 1 and controller 2, and described controller 2 includes dsp chip control Device 3, voice recognition processor 28, PlC controller 20, image capture module 26, wireless transport module 25 and ARM controller 4, institute State and communicate to connect between image capture module 26 and wireless transport module 25, described dsp chip controller 3, voice recognition processing Device 28 and PlC controller 20 all controls computer 1 with described main website and communicates to connect, described dsp chip controller 3, speech recognition Processor 28 and ARM controller 4 are communicatively connected to each other, and described wireless transport module 25 and ARM controller 4 communicate to connect, described PlC controller 20 communicates to connect with ARM controller 4, is provided with decoding chip 27 in described image capture module 26.
Described rare-earth permanent-magnetic synchronous servomotor X7, rare-earth permanent-magnetic synchronous servomotor Y8, rare-earth permanent-magnetic synchronous servo electricity Machine Z9 and rare-earth permanent-magnetic synchronous servomotor R10 all communicates to connect with described dsp chip controller 3, described avoidance displacement sensing Device S1 12, avoidance displacement transducer S2 13, avoidance displacement transducer S3 14, avoidance displacement transducer S4 15, orientation sensing Device S5 16, gyroscope 29, acceleration transducer A1 17, acceleration transducer A2 18 and acceleration transducer A3 19 are all simultaneously Communicate to connect with described dsp chip controller 3, PLC 20 and ARM controller 4.
Preferably, the heavy duty of the present invention is wirelessly transferred four core constant speed articulated robot control systems and also includes for described joint Robot and control system provide main power source 5 and the stand-by power supply 6 of power supply, each the described motor in described articulated robot and Controller 2 in sensor and control system is all electrically connected with described main power source 5 and/or stand-by power supply 6.
Preferably, described rare-earth permanent-magnetic synchronous servomotor X 7, rare-earth permanent-magnetic synchronous servomotor Y 8, rare earth permanent magnet are together The even photoelectric encoder 11 that is provided with on step servomotor Z 9 and rare-earth permanent-magnetic synchronous servomotor R10, described photoelectric encoder 11 It is electrically connected with described dsp chip controller 3.
Preferably, described robot's arm is provided with magnetoelectric transducer EM1 21, described robot forearm is provided with Magnetoelectric transducer EM2 22, described robot wrist is provided with magnetoelectric transducer EM3 23 and EM4 24, described magnetic-electric sensing Device EM1 21, magnetoelectric transducer EM2 22, magnetoelectric transducer EM3 23 and EM4 24 all with described dsp chip controller 3 and ARM Controller 4 communicates to connect.These magnetoelectric transducers read respective zero position mark respectively, when four all detect signal Time, SCARA robot realizes accurately resetting, improves the degree of accuracy of reset.
The present invention uses dsp controller 3(TMS320F2812) voice recognition processor 28(is chip-shaped for+PLC 20+ Number LD3320)+ARM controller 4(STM32F746) four cores carry out system control.Under power-on state, ARM controller is first Dynamically edit the key words list of LD3320, increase robot voice discrimination, then to robot stand-by power supply SOC(lotus Electricity condition) and main power source judge, if stand-by power source is relatively low, controller will by wireless device to work master station send Alarm signal;If stand-by power supply and main power source are working properly, first by master station by PLC or based on LD3320 voice Identification system, transporting goods large arm, forearm and the wrist anglec of rotation and lifting information inputs to ARM, is calculated machine by ARM The parameter queue of device people's servosystem;Zero position sensor EM1, EM2, EM3 and EM4 that SCARA robot carries and based on CCD Image capturing system start working, the two guided robot reset to set zero position, robot enter self-locking state;Once After carrying command starts, avoidance sensor, alignment sensor and acceleration transducer that robot carries all are opened, SCARA machine Device people is according to setting the transport path fast removal that ARM optimizes, and DSP adjusts in real time according to servo parameter and sensor feedback SCARA robot rare-earth permanent-magnetic synchronous servomotor X, rare-earth permanent-magnetic synchronous servomotor Y, rare-earth permanent-magnetic synchronous servomotor Z Export with the PWM of rare-earth permanent-magnetic synchronous servomotor R, it is achieved the real-time servo of four rare-earth permanent-magnetic synchronous servomotors controls, CCD camera detects carrying result in real time, and ARM to the process of digital picture and storage and is transmitted by wireless system, and main website leads to Cross image comparison technology and automatically detect carrying result.If ARM has a question to carrying some position, will be with DSP communication, DSP Sending cutoff command makes SCARA robot stop, and then carrying information is judged by main website by image comparison, confirms errorless Being not fully complete of task is continued afterwards by wireless device restarting SCARA robot;In robot kinematics, if run into Emergency, main website controls computer 1 will input control command, speech recognition device LD3320 by microphone apparatus to controller With ARM communication after identification, with DSP communication after having ARM to process, DSP controls computer 1 order main website and is converted into each rare earth forever The control signal of magnetic-synchro servomotor.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, Fig. 5, Fig. 6, its concrete functional realiey is as follows:
1), after SCARA robot power supply is opened, in order to improve robot voice recognition effect, false recognition rate, ARM are reduced further Controller first inputs the conventional number order of SCARA robot and instruction to LD3320, is used for absorbing wrong identification, thus reaches Reduce the purpose of LD3320 false recognition rate.
2) stand-by power supply SOC and main power source state are first judged by ARM, if stand-by power supply SOC is relatively low, DSP will Forbidding that four rare-earth permanent-magnetic synchronous servomotor work, motor input PWM ripple are blocked, alarm sensor is concurrent by work simultaneously Go out alarm signal;If battery SOC is normal, SCARA robot enters and treats duty, waits work order.
3) once master station's work order starts, and master station can select to control based on LD3320 speech recognition system or PLC Device processed and ARM communication, any one controller can pass through the information such as the length of large arm, forearm lengths and elevating lever RS485 is passed to ARM controller, and then robot starts correcting zero position, magnetoelectric transducer EM1 that SCARA robot carries, EM2, EM3 and EM4 and image capturing system based on CCD are started working, and EM1, EM2, EM3 and EM4 each find the zero of setting Tick lables, when magnetoelectric transducer EM1, EM2, EM3 and EM4 all have signal to export, ARM real-time Transmission reset image is given total Standing, after master station's confirmation is errorless, by wireless device and DSP communication, DSP blocks the PWM of four road rare-earth permanent-magnetic synchronous servomotors Wave control signal, SCARA robot guides zero position to reset automatically, and now ARM controller sets each anglec of rotation, wrist lifting height
4) in order to meet the acceleration and deceleration needs of SCARA robot, the present invention uses such as the movement time ladder diagram of Fig. 6, this The area that ladder diagram comprises is exactly robot's arm, forearm and wrist angle to be rotated or the height of wrist lifting, for The control, the present invention is facilitated to use single acceleration model.
5) SCARA robot reads its mode of operation, if manual working pattern, main website begin through PLC or Speech recognition system based on LD3320 and ARM controller communication, by main website input SCARA robot's arm, forearm and wrist Need the angle rotated,,And SCARA robot wrist needs to rise or the height of declineTo ARM control Device, ARM controller starts robot forward according to Denavit-Hartenberg algorithm and solves: ARM controller first basis SCARA robot's arm, forearm and wrist need the angle rotated,,And SCARA robot wrist needs to rise HeightCalculate the position auto-control between adjacent two member coordinates,,,And use 4*4 two-dimemsional number Group mark,,,,It is expressed as follows respectively:
,,
,
Then formula is passed throughJust can obtain wrist executor complete the position after task and Attitude, then ARM Yu DSP communication, and transmit be manually entered parameter.
6) SCARA robot reads its mode of operation, if normal automatic transporting mode of operation, main website begins through PLC or speech recognition system based on LD3320 and ARM controller communication, by main website input SCARA robot's arm, little Initial position residing for arm and wrist and given position three-dimensional coordinate are to ARM controller, and ARM controller is according to Denavit- It is Converse solved that Hartenberg algorithm starts robot: ARM controller is first according to large arm, forearm lengths and final three-dimensional X and Y coordinates in coordinate obtain the angle that large arm needs to rotate, and byValue obtainValue, and according to three-dimensional sit Z coordinate in mark obtains the height that wrist rises or reduces, finally obtain the anglec of rotation, owing to solvingWhen Equation has bilingual, so SCARA robot obtains the angle that large arm, forearm and wrist need to rotate,,And SCARA robot wrist needs the height risenAfter, solving result can be optimized by ARM controller, and then ARM controls Device and DSP communication, most have servo motion parameter to be transferred to dsp controller in robot.
7) dsp controller accepts the angle that SCARA robot's arm, forearm and wrist need to rotate,,And SCARA robot wrist needs the height risenAfter, the sensor S1 in large arm, forearm and wrist ~ S5, EM1, EM2 and EM3 will open, and first SCARA robot wants zero setting position to judge, after confirming that initial position is errorless, and SCARA robot pair Barrier in each turning arm anglec of rotation judges, will send interrupt requests to DSP as there is barrier, and DSP can be right Interrupt doing very first time response, then block four axle PWM wave control signal outputs, forbid that the rare earth permanent magnet of SCARA robot is same Step servomotor X, rare-earth permanent-magnetic synchronous servomotor Y, rare-earth permanent-magnetic synchronous servomotor Z and motor rare-earth permanent-magnetic synchronous servo Motor R works, and robot is self-locking in original place, and image capturing system based on CCD is opened, and passes through wireless device after ARM process Interrupt requests is sent, in order to prevent information from judging by accident, in master station judges range of movement by radio transmitting image secondary to master station Obstacle information, is artificially processed barrier by master station, prevents barrier impact carrying work.
8) if by image taking results, master station's secondary determines that clear enters moving region, wireless device will be passed through With DSP communication, according to the speed time curve of Fig. 6, DSP is three anglecs of rotation,,It is converted into three rare earth permanent magnets The acceleration of synchronous servo motor, speed and position initial order value, then DSP passes in conjunction with current of electric feedback, acceleration The feedback of sensor, gyroscope and photoelectric encoder, according to its internal three closed loops based onVector controlled servo programe real-time Adjusting motor X, motor Y and the PWM wave control signal of motor Z, the deviation size that dsp controller inputs according to three closed loops is adjusted in real time The pid parameter of whole internal SERVO CONTROL program, adjusts it by the number of drive pulses adjusting rare-earth permanent-magnetic synchronous servomotor The anglec of rotation, is realized the change of angular velocity speed, makes three by the frequency adjusting rare-earth permanent-magnetic synchronous Serve Motor Control signal Axle rare-earth permanent-magnetic synchronous servomotor timing synchronization works, the location parameter that DSP moment recorder people has moved, and passes through Wireless in real time to master station's transmission.
9) in SCARA robot moving process, the moving obstacle in range of movement is carried out by sensor S1 ~ S4 moment Judging, if there being barrier to enter range of movement, the large arm of SCARA robot, forearm and wrist are stood according to the curve movement of Fig. 6 I.e. stopping, dsp controller records present rotation angel degree,,Information, and by wireless and main website communication;On barrier After disappearance, main website inputs the anglec of rotation of new position by wireless device to DSP,,, then robot is according to Fig. 6's Curve is again through three sections of movement locus: accelerated motion, uniform motion and retarded motion, eventually arrives at set point.
10) in moving process, the angular acceleration that accelerometer and gyroscope moment record large arm, forearm and wrist rotate And angular velocity, and the anglec of rotation of large arm, forearm and wrist is obtained by integration, and compared with the position angle angle value set, If deviation is more than setting threshold values, in the next sampling period, dsp controller is according to internal three closed loop rare-earth permanent-magnetic synchronous servos Motor controls program and adjusts rare-earth permanent-magnetic synchronous servomotor X, rare-earth permanent-magnetic synchronous servomotor Y, rare-earth permanent-magnetic synchronous servo The pwm control signal of motor Z, dsp controller adjusts internal SERVO CONTROL program in real time according to the deviation size that three closed loops input Pid parameter, by adjust rare-earth permanent-magnetic synchronous servomotor number of drive pulses adjust its anglec of rotation, by adjust dilute The frequency of soil permanent magnet synchronous servo motor control signal realizes the change of angular velocity speed, and then eliminates a sampling period product Raw error, makes SCARA robot complete task according to setting track.
11) in SCARA robot kinematics, DSP can store in the moment the SCARA robot location of process Or the reference point of process, and it is calculated relatively next reference point SCARA robot according to these range informations by DSP Rare-earth permanent-magnetic synchronous servomotor X, rare-earth permanent-magnetic synchronous servomotor Y, servomotor Z is to be run for rare-earth permanent-magnetic synchronous Angle, angle rates and angular acceleration, dsp controller is anti-in conjunction with current of electric, angular acceleration, gyroscope, photoelectric encoder Feedback, obtains the pwm control signal signal of three rare-earth permanent-magnetic synchronous servomotors according to its internal three Close loop servo control programs, Dsp controller adjusts the pid parameter of internal SERVO CONTROL program in real time according to the deviation size that three closed loops input, dilute by adjusting The number of drive pulses of soil permanent magnet synchronous servo motor adjusts its anglec of rotation, by adjusting rare-earth permanent-magnetic synchronous servomotor control The frequency of signal processed realizes the change of angular velocity speed, makes SCARA robot quickly move ahead according to setting speed.
12) in SCARA robot kinematics, ARM and DSP real time record robot's arm, forearm and wrist rotate Angle, if master station finds that the robot speed of service is relatively slow, can be accelerated to ARM input by LD3320 speech recognition system Order, ARM according to acceleration time requirement with DSP communication, DSP, is converted into rare-earth permanent-magnetic synchronous remaining angle and watches after processing Take motor X, rare-earth permanent-magnetic synchronous servomotor Y, angle to be run for rare-earth permanent-magnetic synchronous servomotor Z, angle rates Instructing with angular acceleration, dsp controller is in conjunction with current of electric feedback, acceleration transducer, gyroscope and photoelectric encoder Feedback, according to its internal three closed loops based onVector controlled servo programe readjust three rare-earth permanent-magnetic synchronous servos The pwm control signal signal of motor, makes robot be rapidly completed task.
13) in SCARA robot kinematics, ARM and DSP real time record robot's arm, forearm and wrist rotate Angle, if master station find robot need emergency service, can by LD3320 speech recognition system to ARM input stop Order, ARM process after with DSP communication, DSP according to requirement down time, in conjunction with current of electric feedback, acceleration transducer, Gyroscope and the feedback of photoelectric encoder, according to its internal three closed loops based onVector controlled servo programe readjust The pwm control signal signal of three rare-earth permanent-magnetic synchronous servomotors, makes robot be quickly completed parking, and dsp controller passes through Angle that acceleration and gyro sensor real time record robot rotate also stores.Main website detects complete by image comparison After, starting order by LD3320 speech recognition system to ARM input, with DSP communication after ARM process, DSP is according to the acceleration time Requirement, is converted into rare-earth permanent-magnetic synchronous servomotor X, rare-earth permanent-magnetic synchronous servomotor Y, rare earth permanent magnet together remaining angle Angle, angle rates and angular acceleration instruction to be run for step servomotor Z, dsp controller is anti-in conjunction with current of electric The feedback of feedback, acceleration transducer, gyroscope and photoelectric encoder, according to its internal three closed loops based onVector controlled Servo programe readjusts the pwm control signal signal of three rare-earth permanent-magnetic synchronous servomotors, makes robot be rapidly completed surplus Remaining task.
14) the three axle anglecs of rotation are completed in SCARA robot,,SERVO CONTROL after, DSP secondary detection accelerate The integrated value of degree sensor, if it find that SCARA robot three anglecs of rotation after motor process is by external interference, ,When exceeding setting threshold values with the error of set angle, ccd image acquisition system Real-time Collection carrying information, after ARM processes Sending image transmitting by wireless device to master station to ask, carrying result detects automatically by image comparison technology in master station, if Being implicitly present in certain error, master station is started and DSP communication by wireless device, and DSP is three anglec of rotation deviations,,Being converted into the acceleration of three rare-earth permanent-magnetic synchronous servomotor fine position, speed and position initial order value, DSP is again Feed back in conjunction with motor X, motor Y and motor Z current of electric, photoelectric encoder feeds back and the feedback of acceleration transducer, in DSP Portion three Close loop servo control program adjusts motor X, motor Y and the PWM wave control signal of motor Z, and dsp controller is according to three closed loops The deviation size of input adjusts the pid parameter of internal SERVO CONTROL program in real time, by adjusting rare-earth permanent-magnetic synchronous servomotor Number of drive pulses adjust its anglec of rotation, by adjust rare-earth permanent-magnetic synchronous Serve Motor Control signal frequency realize angle The change of speed speed, makes robot's arm, forearm and wrist by the task again of three axle rare-earth permanent-magnetic synchronous servomotors Arrive setting position.
15) angle is completed when large arm, forearm and the wrist of SCARA robot,,Angle compensation arrive set Behind position, the sensor EM4 in wrist will be again turned on, and first SCARA robot wants zero setting position to judge, confirm initial After position is errorless, DSP is according to the speed time curve of Fig. 6, distance to be lifted for wristIt is converted into rare-earth permanent-magnetic synchronous to watch Taking the acceleration of motor R, speed and position initial order value, then to combine the current feedback of motor R, photoelectric encoder anti-for DSP Feedback and the feedback of sensor S5, adjust the PWM wave control signal of motor R in real time through internal three Close loop servo control programs, and DSP is controlled Device processed adjusts the pid parameter of internal SERVO CONTROL program in real time according to the deviation size that three closed loops input, by adjusting rare earth forever The number of drive pulses of magnetic-synchro servomotor adjusts its anglec of rotation, believes by adjusting rare-earth permanent-magnetic synchronous Serve Motor Control Number frequency realize the change of angular velocity speed, make wrist steadily arrive setting position within the setting time.
16) if SCARA robot finds that location parameter solves and occurs that endless loop will be in ARM sends in motor process Disconnected request, ARM can to interrupting doing very first time response, ARM controller will immediately with DSP communication, DSP blocks four rare earths immediately The control signal of permanent magnet synchronous servo motor, the then self-locking of robot original place, ARM controller is carried out with main website by wireless device Communication, the CCD moment gathers peripheral information and by being wirelessly transferred, and image acquisition information is analyzed by main website, and according to collection Result secondary restarts SCARA robot, inputs carrying information by PLC secondary to SCARA robot.
17) in SCARA robot motor process the most repeatedly, if main website is found to have interim vital task and needs to add In work queue, LD3320 controller will be opened by main website, by main website by LD3320 controller and ARM communication, to ARM input weight Wanting the position servo parameter of task, ARM Yu DSP communication, first completed currently outstanding task by DSP, ARM updates simultaneously DSP original servo control parameter queue, and transmit new servo position parameter to DSP, make DSP next one servo motion Control important temporary duty.
18) in SCARA robot motor process the most repeatedly, if when magnetoelectric transducer EM1, EM2, EM3 and EM4 read During to transducing signal, dsp controller will replace existing location parameter to carry out new position servo control with zero position parameter, and Calculate error, in the next sampling period, DSP by internal three closed loop rare-earth permanent-magnetic synchronous Serve Motor Control programs to mistake Difference compensates, and eliminates cumulative errors in time.
19) during SCARA robot transport, main website can automatically analyze contrast to collection image based on CCD, When having problems such as a certain position of pinpointing the problems, main website first passes through wireless device and DSP communication, and first DSP completes current task And stop setting zero position, main website automatically detect carrying result, automatically update DSP by ARM after detection next Servo-controlled location parameter.
20) rare-earth permanent-magnetic synchronous servomotor X, rare-earth permanent-magnetic synchronous servomotor Y, rare-earth permanent-magnetic synchronous servo electricity it are contained in Photoelectric encoder on machine Z, rare-earth permanent-magnetic synchronous servomotor R can export its position signalling A and position signalling B, photoelectric coding Position signalling A pulse and the B pulsed logic state of device often change once, and the location register in DSP and ARM can be according to motor Traffic direction adds 1 or subtracts 1;When the position signalling A pulse of photoelectric encoder and B pulse and Z pulse are low level simultaneously, just Produce an INDEX signal to DSP and ARM internal register, the absolute position of record rare-earth permanent-magnetic synchronous servomotor, then Being converted into SCARA robot's arm, forearm or the wrist particular location in three-dimensional coordinate system, ARM controller is real-time By PLC and main website communication, important location parameter is transferred to main website.When magnetoelectric transducer EM1, EM2 and EM3 read sensing During signal, dsp controller will replace existing location parameter with zero position parameter, eliminate cumulative errors in time.
21) AC ac main power is monitored by SCARA robot in the running ARM controller moment, if controlled Device find main power source break down unexpected power-off time, ARM with DSP communication, and can open stand-by power supply, stand-by power supply be four axles Rare-earth permanent-magnetic synchronous servomotor provides energy, and adjusts four in real time by the internal three closed loop servo-control system programs of DSP The PWM output of rare-earth permanent-magnetic synchronous servomotor, is adjusted by the number of drive pulses adjusting rare-earth permanent-magnetic synchronous servomotor Its anglec of rotation, is realized the change of angular velocity speed, makes by the frequency adjusting rare-earth permanent-magnetic synchronous Serve Motor Control signal SCARA robot completes to carry specifically task, and then SCARA robot carries out communication by PLC and main website, and notifies that main website enters Row maintenance.
22) in SCARA robot Multi-asis servo system work process, if DSP servo controller detects some There is pulsation in the torque of rare-earth permanent-magnetic synchronous servomotor, owing to the present invention usesVector control mode, therefore Controller can be easy to compensate this interference, and according to the pid parameter disturbing size DSP to adjust electric current loop in real time, decreases motor The torque disturbance impact on SCARA robot kinematics.
23) a series of task is completed when SCARA robot, it is achieved during the zero of position, the acceleration transducer A1 that it carries ~ A3, magnetoelectric transducer EM1, EM2, EM3 and EM4 can work in the moment, first have acceleration transducer to detect its acceleration, work as acceleration When exceeding pre-set threshold value, the error that cycle brings on next cycle dsp controller can be revised, work as magnetoelectric transducer When EM1, EM2, EM3, EM4 all have signal to export, ccd image acquisition system Real-time Collection repositioning information, passes through after ARM processes Wireless device sends image transmitting request to master station, and master station is automatically reset result by image comparison technology, and DSP blocks four tunnels The PWM wave control signal of rare-earth permanent-magnetic synchronous servomotor, SCARA robot guides zero position to reset automatically, SCARA machine Device people realizes the playback from certain point to zero-bit zero-bit self-locking according to the Velocity-time curve movement of Fig. 6, waits next group fortune Dynamic command queue.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technology neck Territory, is the most in like manner included in the scope of patent protection of the present invention.

Claims (7)

1. a heavy duty is wirelessly transferred four core constant speed articulated robot control systems, it is characterised in that described articulated robot is adopted With rare-earth permanent-magnetic synchronous servomotor X driven machine people's large arm rotary motion, rare-earth permanent-magnetic synchronous servomotor Y is used to drive machine Device people's forearm rotary motion, employing rare-earth permanent-magnetic synchronous servomotor Z driven machine human wrist rotary motion, employing rare earth permanent magnet Synchronous servo motor R driven machine human wrist elevating movement, described robot's arm is provided with avoidance displacement transducer S1, keeps away Barrier displacement transducer S2, gyroscope and acceleration transducer A1, described robot forearm is provided with avoidance displacement transducer S3, Avoidance displacement transducer S4, gyroscope and acceleration transducer A2, described robot wrist is provided with alignment sensor S5, top Spiral shell instrument and acceleration transducer A3, described control system includes that main website controls computer and controller, and described controller includes Dsp chip controller, PlC controller, voice recognition processor, image capture module, wireless transport module and ARM controller, Between described image capture module and wireless transport module communicate to connect, described dsp chip controller, voice recognition processor and PlC controller all controls compunication with described main website and is connected, described dsp chip controller, voice recognition processor and ARM Controller is communicatively connected to each other, and described wireless transport module and ARM controller communication connection, described PlC controller controls with ARM Device communicates to connect, described rare-earth permanent-magnetic synchronous servomotor X, rare-earth permanent-magnetic synchronous servomotor Y, rare-earth permanent-magnetic synchronous servo electricity Machine Z and rare-earth permanent-magnetic synchronous servomotor R all communicates to connect with described dsp chip controller, described avoidance displacement transducer S1, Avoidance displacement transducer S2, avoidance displacement transducer S3, avoidance displacement transducer S4, alignment sensor S5, each gyroscope, acceleration Degree sensors A 1, acceleration transducer A2 and acceleration transducer A3 all simultaneously with described dsp chip controller and ARM controller Communication connection.
Heavy duty the most according to claim 1 is wirelessly transferred four core constant speed articulated robot control systems, it is characterised in that also Including providing main power source and the stand-by power supply of power supply for described articulated robot and control system, each in described articulated robot Controller in individual described motor and sensor and control system is all electrically connected with described main power source and/or stand-by power supply.
Heavy duty the most according to claim 1 is wirelessly transferred four core constant speed articulated robot control systems, it is characterised in that institute State rare-earth permanent-magnetic synchronous servomotor X, rare-earth permanent-magnetic synchronous servomotor Y, rare-earth permanent-magnetic synchronous servomotor Z and rare earth permanent magnet The even photoelectric encoder that is provided with on synchronous servo motor R, described photoelectric encoder is electrically connected with described dsp chip controller.
The most according to any one of claim 1 to 3 teaching with being wirelessly transferred three core quick articulated robot control system, It is characterized in that, described image capture module is CCD camera assembly.
Teaching the most according to claim 4 is with being wirelessly transferred three core quick articulated robot control system, it is characterised in that It is provided with decoding chip in described image capture module.
Heavy duty the most according to any one of claim 1 to 3 is wirelessly transferred four core constant speed articulated robot control systems, its It is characterised by, described robot's arm is provided with magnetoelectric transducer EM1, described robot forearm is provided with magnetoelectric transducer EM2, described robot wrist is provided with magnetoelectric transducer EM3 and EM4, described magnetoelectric transducer EM1, magnetoelectric transducer EM2, Magnetoelectric transducer EM3 and EM4 all communicates to connect with described dsp chip controller and ARM controller.
Heavy duty the most according to claim 4 is wirelessly transferred four core constant speed articulated robot control systems, it is characterised in that institute State and magnetoelectric transducer EM1 is installed on robot's arm, described robot forearm is provided with magnetoelectric transducer EM2, described machine Magnetoelectric transducer EM3 and EM4, described magnetoelectric transducer EM1, magnetoelectric transducer EM2, magnetoelectric transducer are installed in device human wrist EM3 and EM4 all communicates to connect with described dsp chip controller and ARM controller.
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