CN202837909U - Double-axis full-automatic high speed adhesive dispensing robot servo control system - Google Patents

Double-axis full-automatic high speed adhesive dispensing robot servo control system Download PDF

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CN202837909U
CN202837909U CN 201220494139 CN201220494139U CN202837909U CN 202837909 U CN202837909 U CN 202837909U CN 201220494139 CN201220494139 CN 201220494139 CN 201220494139 U CN201220494139 U CN 201220494139U CN 202837909 U CN202837909 U CN 202837909U
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module
speed
adhesive dispensing
dispensing robot
processor
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张好明
王应海
贡亚丽
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Suzhou Industrial Park Institute of Vocational Technology
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Suzhou Industrial Park Institute of Vocational Technology
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Abstract

The utility model discloses a double-axis full-automatic high speed adhesive dispensing robot servo control system, which comprises a battery, an AC power supply, a first signal processor, a second signal processor, a processor unit, an image collecting unit, a first high speed DC motor, a second high speed DC motor and an adhesive dispensing robot, wherein the first signal processor provides current independently through the AC power supply or the battery to drive the processor unit, the processor unit sends out a first control signal and a second control signal, the first control signal and the second control signal control the second high speed DC motor and the first high speed DC motor respectively, the second control signal passing through the first high speed DC motor and the first control signal passing through the second high speed DC motor control movement of the adhesive dispensing robot after being combined by the second signal processor, and the processor unit is further connected to the image collecting unit.

Description

Diaxon fully automatic high-speed adhesive dispensing robot servo-control system
Technical field
The utility model relates to the technical field of adhesive dispensing robot, and particularly relevant for diaxon fully automatic high-speed adhesive dispensing robot servo-control system.
Background technology
In today of hi-tech fast development, traditional mode of production is increasingly backward, and novel automated production will become the new century and accept the important way of market challenges.The means of raising labour productivity are not only in robotization, and the Long-term Development Strategy of Enterprises Future is played an important role.Because robot is the main tool of novel robotization, the exploitation of industrial robot and application project thereof, robot is become immediate productivity, and it is changing traditional production model, boosts productivity and the adaptive faculty aspect in market is demonstrated great superiority.It is replaced the people out from the working environment of abominable danger simultaneously, carries out production strictly in line with rules and regulations, and this all is significant with social progress to promoting economic development.Along with manufacturing industry requires more and more higher to demand and the environmental protection of robot equipment and the working environment that improves laborer, special convection cell is controlled, and fluid drop, the automatic machinery adhesive dispensing robot that is coated on product surface or interiors of products are produced immediately.
Adhesive dispensing robot be mainly used in the Product Process glue, paint and other liquid Accurate Points, annotate, be coated with, put and drip to each product exact position, can be used for realizing getting ready, setting-out, round or camber.The industries such as the research and development of " adhesive dispensing robot " will encapsulate China's shoe-making industry, PCB plate binding sealing, IC sealing, PDA sealing, LCD sealing, IC, IC is bonding produce huge economic benefit and social benefit.Sometimes, adhesive dispensing robot just needs repeatedly point-blank or carries out simple straight line or circular arc gluing on the plane of a two dimension or according to certain rule point-to-point gluing is carried out in some positions, this time a diaxon adhesive dispensing robot can be very fast finish above-mentioned action.A complete diaxon adhesive dispensing robot roughly is divided into following components:
1) motor: actuating motor is the power source of adhesive dispensing robot, and it carries out the relevant action that adhesive dispensing robot is walked on the plane of processing component two dimension according to the instruction of microprocessor;
2) algorithm: algorithm is the soul of adhesive dispensing robot, and adhesive dispensing robot must adopt certain intelligent algorithm could be quickly and accurately to arrive more in addition from a bit, form point-to-point, or curvilinear motion;
3) microprocessor: microprocessor is the core of adhesive dispensing robot, be the brain of adhesive dispensing robot, the information that adhesive dispensing robot is all comprises glue point size, positional information, and motor status information etc. all needs through microprocessor processes and makes corresponding judgement.
Adhesive dispensing robot combines multi-subject knowledge, and for the manipulative ability, team collaboration's ability and the innovation ability that promote students, the digestion of promotion student classroom knowledge and the scope of one's knowledge of expansion student are all very helpful.The adhesive dispensing robot technology carry out the talent that can cultivate large quantities of association areas, and then promote technical development and the industrialization process of association area.But because the unit of domestic this adhesive dispensing robot of research and development is less, R ﹠ D Level is relatively backward relatively, the structured flowchart of the diaxon adhesive dispensing robot servo-control system of research and development, and such as Fig. 1, long-play is found to exist a lot of safety problems, that is:
(1) at a glue initial stage, all be that the artificial sport glue dispensing valve arrives reference position, then only rely on human eye to carry out the correction of initial position, so that degree of accuracy reduces greatly;
What (2) use as the power acquisition of adhesive dispensing robot is direct supply after the general AC power rectification, and whole glue is moved unsuccessfully;
What (3) adopt as the topworks of adhesive dispensing robot is stepper motor, and the problem that often can run into pulse-losing occurs, and causes mistake is appearred in the memory of position;
(4) owing to adopting stepper motor, so that organism fever is more serious, need sometimes to dispel the heat;
(5) owing to adopting stepper motor, so that the mechanical noise of system's running increases greatly, be unfavorable for environmental protection;
(6) owing to adopting stepper motor, its motor body generally all is heterogeneous structure, and control circuit need to adopt a plurality of power tubes, so that control circuit is relatively complicated, and has increased the controller price;
(7) owing to adopting stepper motor, so that system generally is not suitable at high-speed cruising;
(8) owing to adopting stepper motor, so that the moment less of system;
(9) owing to controlling improperly reason, causing sometimes, stepper motor produces resonance;
What (10) relatively adopt all is the larger plug-in components of some volume ratios, so that automatically dropping glue machine people control system takies larger space, weight is relatively all heavier;
(11) owing to disturbed by the surrounding environment labile factor, singlechip controller often can occur unusually causing that adhesive dispensing robot is out of control, and antijamming capability is relatively poor;
(12) for the some glue process of adhesive dispensing robot, the pwm control signal of two motor of General Requirements is wanted synchronously, owing to being subjected to the restriction of single-chip microcomputer computing power, single single-chip microcomputer servo-drive system is difficult to satisfy this condition, so that adhesive dispensing robot point glue amount is inconsistent, during particularly for quick walking;
(13) owing to being subjected to single-chip microcomputer capacity and algorithm affects, adhesive dispensing robot is not stored the information of glue point, and information all when running into power-down conditions will disappear, this so that whole some glue process to restart;
(14) the some colloid system Once you begin will be finished whole some glue motion, middle point without any suspending or cushioning;
(15) because adhesive dispensing robot will close and start frequently, increased the weight of the workload of single-chip microcomputer, single single-chip microcomputer can't satisfy the requirement that automatically dropping glue machine people starts fast and stops;
(16) in all some glue processes, the result who a glue is not crossed carries out automatic Observation and compensation, sometimes so that whole curve spread is inconsistent, then adopts artificial secondary to mend glue.
For satisfy at a high speed, the needs of High-efficient Production, must redesign based on monolithic processor controlled diaxon automatically dropping glue machine people control system existing, seek a kind of high speed, put the glue servo-drive system efficiently.
The utility model content
For the problems referred to above, the purpose of this utility model provides a kind of diaxon fully automatic high-speed adhesive dispensing robot servo-control system, has solved in the prior art diaxon adhesive dispensing robot control system at a high speed and the defective of efficient poor performance.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of diaxon fully automatic high-speed adhesive dispensing robot servo-control system is provided, comprise battery, AC power, the first signal processor, the secondary signal processor, processor unit, image acquisition units, the first High-speed DC motor, the second High-speed DC motor and adhesive dispensing robot, described first signal processor provides separately current drives described processor unit by AC power or battery, described processor unit sends respectively the first control signal and the second control signal, described the first control signal and the second control signal are controlled respectively described the second High-speed DC motor and the first High-speed DC motor, the second control signal by described the first High-speed DC motor and synthetic through the secondary signal processor by the first control signal of described the second High-speed DC motor after, the motion of control adhesive dispensing robot, described processor unit also is connected to image acquisition units.
In preferred embodiment of the utility model, described processor unit is a dual core processor, comprise dsp processor, FPGA processor and be located at dsp processor and the master system of FPGA processor and kinetic control system, described master system comprises human-computer interface module, path read module and online output module, described kinetic control system comprises the servocontrol module, data memory module, I/O control module and image acquisition units, wherein, dsp processor is used for the control human-computer interface module, the path read module, online output module, data memory module, I/O control module and image acquisition units, the FPGA processor is used for control servocontrol module, and carries out in real time exchanges data between dsp processor and the FPGA processor and call.
In preferred embodiment of the utility model, described processor unit further is connected with the output terminal of High-speed DC motor.
In preferred embodiment of the utility model, described servocontrol module also comprises modular converter, and described modular converter is used for digital signal is converted to simulating signal.
In preferred embodiment of the utility model, described servocontrol module also comprises coder module, and described coder module judges whether to meet rate request for detection of the actual speed of adhesive dispensing robot, whether too fast or excessively slow, and send control signal.
In preferred embodiment of the utility model, described servocontrol module also comprises current module, and the output power that described current module is used for the adjustment battery reaches the scope that adhesive dispensing robot needs.
In preferred embodiment of the utility model, described servocontrol module also comprises the speed module, described speed module is connected with the coder module communication, too fast or excessively slow when coder module detection adhesive dispensing robot actual speed, the speed module is regulated the adhesive dispensing robot actual speed according to the result that coder module detects.
In preferred embodiment of the utility model, described servocontrol module also comprises displacement module, and whether described displacement module arrives set displacement for detection of adhesive dispensing robot, if from set excessively away from, send assisted instruction to controller; If close to set displacement excessively, then send deceleration instruction to controller.
Diaxon fully automatic high-speed adhesive dispensing robot servo-control system of the present utility model, in order to improve arithmetic speed, guarantee stability and the reliability of diaxon fully automatic high-speed adhesive dispensing robot servo-control system, the utility model is introduced the FPGA processor in the dsp processor of monolithic, formation is based on the dual core processor of DSP+FPGA, this processor is concentrated design to the multi controller systems of original chip microcontroller, and take into full account battery in the effect of this system, realize the function of Single Controller synchro control diaxon, give the control of FPGA processor the diaxon servo-drive system of workload maximum in the diaxon fully automatic high-speed adhesive dispensing robot servo-control system, give full play to faster characteristics of FPGA processor data processing speed, and human-computer interface module, the path read module, online output module, data memory module, the functions such as I/O control module and image acquisition units are given dsp processor control, so just realized the division of labor of dsp processor and FPGA processor, dsp processor is freed from the hard work amount, and antijamming capability strengthens greatly.
Description of drawings
Fig. 1 is the schematic diagram of diaxon adhesive dispensing robot servo-control system in the prior art;
Fig. 2 is the schematic diagram of the diaxon fully automatic high-speed adhesive dispensing robot servo-control system of the utility model preferred embodiment;
Fig. 3 is the block scheme of processor unit among Fig. 2;
Fig. 4 is the speed curve movement of adhesive dispensing robot.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection domain of the present utility model is made more explicit defining.
Development and maturation along with microelectric technique and computing machine integrated chip manufacturing technology, digital signal processing chip (DSP) is because its computing power fast, not only be widely used in communication and process with vision signal, also be applied in gradually in the various senior control system.TMS320F2812 is the fixed point 32 bit DSP processors on the C2000 platform released of American TI company, is suitable for Industry Control, and Electric Machine Control etc. are of many uses.The operation clock also can reach 150MHz soon, and handling property can reach 150MIPS, every instruction cycle 6.67ns, and the IO mouth is abundant, and is enough concerning the general application of user, two serial ports.AD conversion etc. with 0 ~ 3.3v of 12.In-chip FLASH with 128k in the sheet * 16, the SRAM of 18K * 16, general application system can not wanted outer extension memory.Add independently ALU, have powerful digital signal processing capability.In addition, jumbo RAM is integrated in this chip, and greatly peripheral circuits design reduces system cost and system complexity, has also greatly improved the data storage processing power.
Hardware Implementation based on field programmable gate array (FPGA) and modern electronic design robotization (EDA) technology is recent years to have occurred a kind of brand-new design philosophy.Although FPGA itself is the cell array of standard just, the function that does not have general integrated circuit to have, but the user can be according to the design needs of oneself, by specific placement-and-routing instrument its inside is reconfigured connection, within the shortest time, design the special IC of oneself, so just reduce cost, shorten the construction cycle.Because the design philosophy of FPGA processor adopting software implementation realizes the design of hardware circuit, so just so that have good reusable and the property revised based on FPGA processor designed system, this brand-new design philosophy has been applied in gradually high performance interchange and has driven in the control, and fast-developing.
As shown in Figure 2, be the schematic diagram of the diaxon fully automatic high-speed adhesive dispensing robot servo-control system of the utility model preferred embodiment.In the present embodiment, diaxon fully automatic high-speed adhesive dispensing robot servo-control system comprises battery, AC power, first signal processor, secondary signal processor, processor unit, image acquisition units, the first High-speed DC motor, the second High-speed DC motor and adhesive dispensing robot.Wherein, described battery is lithium ion battery, is a kind of electric supply installation, for the work of whole system provides operating voltage.
In the utility model, described first signal processor provides separately current drives described processor unit by AC power or battery, described processor unit sends respectively the first control signal and the second control signal, described the first control signal and the second control signal are controlled respectively described the second High-speed DC motor and the first High-speed DC motor, the second control signal by described the first High-speed DC motor and synthetic through the secondary signal processor by the first control signal of described the second High-speed DC motor after, the motion of control adhesive dispensing robot, described processor unit also is connected to image acquisition units.
The utility model is to overcome single-chip microcomputer in the prior art can not satisfy the stability of diaxon adhesive dispensing robot walking and the requirement of rapidity, the mode of operation of having given up the single-chip microcomputer that domestic adhesive dispensing robot adopts, the brand-new control model of DSP+FPGA processor is provided, control panel is take the FPGA processor as processing core, realize the real-time processing of digital signal, dsp processor is freed in the middle of the work of complexity, the signal processing algorithm and the response that realize part are interrupted, and realize data communication and storage live signal.
See also Fig. 3, described processor unit is a dual core processor, and it comprises dsp processor and FPGA processor, and the two mutually communication is carried out in real time exchanges data and called.Described processor unit also comprises master system and the kinetic control system of being located at dsp processor and FPGA processor, described master system comprises human-computer interface module, path read module and online output module, and described kinetic control system comprises servocontrol module, data memory module, I/O control module and image acquisition units.Wherein, dsp processor is used for control human-computer interface module, path read module, online output module, data memory module, I/O control module and image acquisition units, and the FPGA processor is used for control servocontrol module.
Master system comprises human-computer interface module, path read module and online output module.Human-computer interface module comprises and begins/restart button and function selecting key; The path read module is used for reading the speed that has preset, acceleration, the parameter settings such as position; Online output module is used for the duty of prompting adhesive dispensing robot, such as being in the adhesive dispensing robot course of work or the condition prompting that arrives at a station.
Kinetic control system comprises servocontrol module, data memory module, I/O control module and image acquisition units.Wherein, the data memory module module is a storer; The I/O control module comprises RS-232 serial line interface, ICE port etc.; Described image acquisition units is used for the position of collection point glue and finds the situation of trouble spot; The servocontrol module further comprises modular converter, coder module, current module, speed module and displacement module.
Wherein, described modular converter comprises analog-digital converter (ADC, Analog to Digital Converter) and digital analog converter (DAC, Digital to Analog Converter); Whether described coder module judges whether to meet rate request for detection of the actual speed of adhesive dispensing robot, too fast or excessively slow, and sends control signal.
Described current module and battery are connected modular converter and are connected with controller.Modular converter is judged operating power according to the electric current of battery and controller, and power condition is fed back to battery, and the output power that current module is used for the adjustment battery reaches the scope that adhesive dispensing robot needs.
Described speed module is connected with the coder module communication, and to detect the adhesive dispensing robot actual speed too fast or excessively slow when coder module, the actual speed that the result that the speed module detects according to coder module regulates adhesive dispensing robot.
Described displacement module detects adhesive dispensing robot and whether arrives set displacement, if from set excessively away from, send assisted instruction to controller; If close to set displacement excessively, then send deceleration instruction to controller.
Be a dual core processor for processor unit, under the power supply opening state, adhesive dispensing robot is introduced into self-locking state, the first High-speed DC motor and the second High-speed DC motor are worked simultaneously topworks's (comprising glue brush and glue-spreading head) are automatically moved to scrap rubber recovery place, then automatically opening glue dispensing valve door colloid flows out automatically, Deng automated movement execution architecture after evenly to starting point, this moment, image acquisition units was opened, the aligned position of automatic calibration Glue dripping head and starting point, the Actual path transformation parameter that the adhesive dispensing robot handle stores is to the dsp processor in the controller, dsp processor is converted into the distance that adhesive dispensing robot the first High-speed DC motor and second High-speed DC motor under the designated movement track will move to these environmental parameters, dsp processor then with the communication of FPGA processor, the FPGA processor is again according to the servocontrol of current of electric and two individual motor of optical code disk information processing, and the deal with data communication to dsp processor, continue to process follow-up running status by dsp processor.
In conjunction with above description, master system comprises the functions such as human-computer interface module, path read module, online output module; Kinetic control system comprises the functions such as servocontrol module, data memory module, I/O control module and image acquisition units.Wherein the servocontrol module of workload maximum is given the control of FPGA processor, remaining comprises that master system gives dsp processor control, so just realized the division of labor of dsp processor and FPGA processor, also can carry out communication between the two simultaneously, carried out in real time exchanges data and call.
The concrete function of diaxon fully automatic high-speed adhesive dispensing robot servo-control system is achieved as follows in the utility model:
1) opening power, automatic conveyor is sent to the perform region automatically to the processing component that is installed on the anchor clamps;
2) opening power, can judge the supply voltage source at opening power moment dsp processor, when determining to be powered battery, if cell voltage low pressure, to block the PWM ripple output of FPGA processor, this moment, the first High-speed DC motor and the second High-speed DC motor can not be worked, and voltage sensor will be worked simultaneously, the double-core controller can send the low pressure alarming signal, and battery is changed in the man-machine interface prompting;
3) start the adhesive dispensing robot automatic control program, load task by 232 serial communication interface incoming tasks of controller or from hard disk;
4) the first High-speed DC motor and the second High-speed DC motor are worked simultaneously and topworks's (comprise glue brush and glue-spreading head) is moved to scrap rubber are reclaimed out, the beginning Open valve, then adjust colloid to uniform state, then moving type actuating mechanism is to the starting point top, this moment, image acquisition units was opened again, then pass through the image acquisition result so that Glue dripping head is aimed at initial position, system begins to prepare some glue;
5) under plastic emitting signal condition for validity, controller accesses the path that adhesive dispensing robot need to be walked, and then is transferred to the FPGA processor, generates the curve movement that adhesive dispensing robot is started working by the FPGA processor, guarantees the adhesive dispensing robot smooth working;
6) in order to drive the motion of diaxon adhesive dispensing robot, this control system is introduced the FPGA processor, generate the PWM ripple of diaxon motor movement by it, but enter real-time communication by I/O mouth and dsp processor, controlled output and the blockade of its PWM waveform by dsp processor;
7) in the adhesive dispensing robot motion process, dsp processor can constantly store the distance of process or the some glue point of process, and determine the distance that to move next working point adhesive dispensing robot diaxon electricity the first High-speed DC motor and the second High-speed DC motor according to these range informations, dsp processor then with the communication of FPGA processor, transmit these parameters to the FPGA processor, then the speed ladder diagram that is divided other electric current and optical code disk Information generation control motor movement by the FPGA processor according to the first High-speed DC motor and the second High-speed DC motor, as shown in Figure 4, the area that comprises of these ladder diagrams is exactly the distance that adhesive dispensing robot the first High-speed DC motor and the second High-speed DC motor will move;
8) if adhesive dispensing robot is found glue point and endless loop occurred and will send interrupt request to dsp processor apart from finding the solution in motion process, dsp processor can be to interrupting doing very first time response, if the interrupt response of dsp processor does not have enough time to process, the first High-speed DC motor of adhesive dispensing robot and the second High-speed DC motor are with the original place self-locking;
9) optical code disk that is contained on the first High-speed DC motor and the second High-speed DC motor can be exported its position signalling A and position signalling B, the position signalling A pulse of optical code disk and the every variation of B pulse logic state once, the location register in the FPGA processor can add according to the traffic direction of the first High-speed DC motor and the second High-speed DC motor 1 or subtract 1;
When 10) the position signalling A pulse of optical code disk and B pulse and Z pulse are low level simultaneously, just produce a position signalling to the FPGA processor, then the absolute position of record motor is converted into the particular location of adhesive dispensing robot in a glue component;
11) in motion process, if having received, controller puts at a high speed the glue order, controller can be according to adhesive dispensing robot in the particular location of a glue component and the position that should exist, send corresponding position data etc. to the FPGA processor, the FPGA processor is automatically transferred corresponding PID according to peripheral transducing signal and is regulated pattern, calculate the first High-speed DC motor of adhesive dispensing robot and the pwm control signal that the second High-speed DC motor need to upgrade by the FPGA processor, the control adhesive dispensing robot is put at a high speed glue;
12) in a glue process, if image acquisition units finds have the some glue of any position to go wrong, data memory module is recorded current location information, then controller is according to the particular location of adhesive dispensing robot at a glue component, send corresponding position data etc. to the FPGA processor, then generate adhesive dispensing robot by the FPGA processor and arrive the actual acceleration that the renewal point needs, speed and position signalling, then control the first High-speed DC motor and the second High-speed DC motor and carry out the compensation of secondary point glue, and then get back to position under depositing originally, again continue original work;
13) if when adhesive dispensing robot runs into unexpected outage in operational process, battery can automatically be opened and immediately adhesive dispensing robot be powered, when the flow currents of motor surpasses setting value, this Time Controller can block the PWM ripple output of FPGA processor immediately, the first High-speed DC motor and the second High-speed DC motor quit work, thereby have effectively avoided the generation of high-rate battery discharge;
14) added the automatic pause point for convenient some glue work system, if in a glue process, read the automatic pause point, the PWM ripple that dsp processor can notify the FPGA processor to generate can make adhesive dispensing robot stop with the acceleration of maximum, make process automatic pause occur and store current information, until controller reads and again press START button information the FPGA processor is reworked, and transfer storage information adhesive dispensing robot can be worked on from the automatic pause point;
15) adhesive dispensing robot can detect cell voltage constantly at operational process, and when low pressure appearred in system, sensor meeting notification controller was opened and sent alarm, has effectively protected battery;
16) after the some glue motion of finishing whole processing component, glue dispensing valve can stop plastic emitting, then controls adhesive dispensing robot and walks out movement locus;
17) adhesive dispensing robot is according to new service part particular location, resets position zero point, waits for the work that next cycle is new.
The beneficial effect that the utility model diaxon fully automatic high-speed adhesive dispensing robot servo-control system has is:
1: added the figure collecting unit, can help automatic kinetic control system location and find the trouble spot, automaticity improves greatly;
2: owing to adopting high performance DSP, so that system's processing speed increases greatly, requirement that can fine satisfied some colloid system rapidity;
3: in the motion process, by aut.eq. the glue dispensing valve door is shifted onto initial position in the early stage, then image acquisition units is opened, and helps Glue dripping head to aim at initial position, so that initial position fix is extremely accurate.
4: in motion process, taken into full account the effect of battery in this system, constantly all the running status of adhesive dispensing robot is being monitored and computing based on DSP+FPGA double-core controller, when running into the AC power outage, battery can provide the energy immediately, avoided the failure of automatically dropping glue system servo-drive system motion, and provide in the process of power supply at battery, the moment is observed the electric current of battery and protects, avoided the generation of large electric current, so fundamentally solved large electric current to the impact of battery, avoided the generation of the battery overaging phenomenon that causes owing to heavy-current discharge;
5: the independent servocontrol of being processed two motors of adhesive dispensing robot by FPGA place processor, so that control fairly simplely, greatly improved arithmetic speed, solved the slower bottleneck of single-chip microcomputer operation in the prior art, shortened the construction cycle short, and system's portable ability is strong;
6: substantially realize full SMD components material, realized veneer control, not only saved control panel and taken up room, and be conducive to alleviating of adhesive dispensing robot volume and weight;
7: in order to improve arithmetic speed and precision, this adhesive dispensing robot has adopted the High-speed DC motor to substitute the stepper motor of commonly using in the legacy system, so that operational precision improves greatly;
8: because this controller adopts the FPGA processor to process whole data and the algorithms of diaxon servo-drive system, dsp processor is freed from the hard work amount, prevent that effectively adhesive dispensing robot is out of control, antijamming capability strengthens greatly;
9: because the control signal of two-way motor is to export by the FPGA processor, can export simultaneously PWM modulation signal and direction signal by the FPGA processor like this, can direct-driving motor by driving circuit, not only alleviated the burden of dsp processor, simplify interface circuit, and saved dsp processor internal composition position, speed control program, and the trouble of various pid algorithms, so that the debugging of system is simple, and realized the servo-controlled synchronism of diaxon;
10: in the adhesive dispensing robot operational process, controller can carry out on-line identification and utilize motor torque and the relation of electric current compensates the torque of motor, and the motor torque shake is on the impact of automatically dropping glue machine people dynamic property when having reduced quick walking;
11: in the inner servocontrol of FPGA processor, integrated multiple PID regulates pattern, can automatically adjust its inner pid parameter according to the peripheral ruuning situation of adhesive dispensing robot, easily realize segmentation P, PD, PID control and nonlinear PID controller, owing to there not being single-chip microcomputer to participate in this computing, so that its motion process has certain adaptive function, and arithmetic speed is higher than the system of special-purpose motion chip controls, is conducive to improve the some glue speed of putting at a high speed colloid system;
12: owing to having a memory function, this be so that can transfer easily the good routing information of gluing after the adhesive dispensing robot power down, even also secondary point glue easily after breaking down;
13: in whole some glue process, if image acquisition units finds to have any position or any glue point appearance point glue problem, controller can carry out second compensation to above-mentioned position or some glue point;
14: owing to adopting the higher High-speed DC motor of efficient, so that the energy utilization rate of system is higher, be conducive to energy savings.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims (7)

1. diaxon fully automatic high-speed adhesive dispensing robot servo-control system, it is characterized in that, comprise battery, AC power, the first signal processor, the secondary signal processor, processor unit, image acquisition units, the first High-speed DC motor, the second High-speed DC motor and adhesive dispensing robot, described first signal processor provides separately current drives described processor unit by AC power or battery, described processor unit sends respectively the first control signal and the second control signal, described the first control signal and the second control signal are controlled respectively described the second High-speed DC motor and the first High-speed DC motor, the second control signal by described the first High-speed DC motor and synthetic through the secondary signal processor by the first control signal of described the second High-speed DC motor after, the motion of control adhesive dispensing robot, described processor unit also is connected to image acquisition units.
2. diaxon fully automatic high-speed adhesive dispensing robot servo-control system according to claim 1, it is characterized in that, described processor unit is a dual core processor, comprise dsp processor, FPGA processor and be located at dsp processor and the master system of FPGA processor and kinetic control system, described master system comprises human-computer interface module, path read module and online output module, described kinetic control system comprises the servocontrol module, data memory module, I/O control module and image acquisition units, wherein, dsp processor is used for the control human-computer interface module, the path read module, online output module, data memory module, I/O control module and image acquisition units, the FPGA processor is used for control servocontrol module, and carries out in real time exchanges data between dsp processor and the FPGA processor and call.
3. diaxon fully automatic high-speed adhesive dispensing robot servo-control system according to claim 2 is characterized in that, described servocontrol module also comprises modular converter, and described modular converter is used for digital signal is converted to simulating signal.
4. diaxon fully automatic high-speed adhesive dispensing robot servo-control system according to claim 2, it is characterized in that, described servocontrol module also comprises coder module, described coder module is for detection of the actual speed of adhesive dispensing robot, judge whether to meet rate request, whether too fast or excessively slow, and send control signal.
5. diaxon fully automatic high-speed adhesive dispensing robot servo-control system according to claim 2, it is characterized in that, described servocontrol module also comprises current module, and the output power that described current module is used for the adjustment battery reaches the scope that adhesive dispensing robot needs.
6. diaxon fully automatic high-speed adhesive dispensing robot servo-control system according to claim 4, it is characterized in that, described servocontrol module also comprises the speed module, described speed module is connected with the coder module communication, too fast or excessively slow when coder module detection adhesive dispensing robot actual speed, the speed module is regulated the adhesive dispensing robot actual speed according to the result that coder module detects.
7. diaxon fully automatic high-speed adhesive dispensing robot servo-control system according to claim 2, it is characterized in that, described servocontrol module also comprises displacement module, whether described displacement module arrives set displacement for detection of adhesive dispensing robot, if from set excessively away from, send assisted instruction to controller; If close to set displacement excessively, then send deceleration instruction to controller.
CN 201220494139 2012-09-26 2012-09-26 Double-axis full-automatic high speed adhesive dispensing robot servo control system Expired - Fee Related CN202837909U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102841562A (en) * 2012-09-26 2012-12-26 苏州工业园区职业技术学院 Two-axis full-automatic high speed dispensing robot servo-control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102841562A (en) * 2012-09-26 2012-12-26 苏州工业园区职业技术学院 Two-axis full-automatic high speed dispensing robot servo-control system
CN102841562B (en) * 2012-09-26 2015-10-28 苏州工业园区职业技术学院 Diaxon fully automatic high-speed adhesive dispensing robot servo-control system

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