CN108227636A - Laser engraving machine work system and method based on the control of high in the clouds load balancing - Google Patents
Laser engraving machine work system and method based on the control of high in the clouds load balancing Download PDFInfo
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- CN108227636A CN108227636A CN201810045651.0A CN201810045651A CN108227636A CN 108227636 A CN108227636 A CN 108227636A CN 201810045651 A CN201810045651 A CN 201810045651A CN 108227636 A CN108227636 A CN 108227636A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
- G05B19/4142—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller characterised by the use of a microprocessor
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
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- G05B2219/34013—Servocontroller
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Abstract
The present invention discloses a kind of laser engraving machine work system controlled based on high in the clouds load balancing, including several laser engraving machines, a cloud control terminal and several mobile intelligent terminals.Invention additionally discloses a kind of laser engraving machine method of work based on the control of high in the clouds load balancing, cloud control terminal receives the image of mobile intelligent terminal transmission and is converted to G code；The loading condition of the current global laser engraving machine of assessment, searches target laser engraving machine and keeps system load balancing；G code is sent to target laser engraving machine；Target dispatch laser engraving machine parses and NC Interpolation, is carved to machined part.Such technical solution is by high in the clouds to the distributed controll of laser engraving machine, it realizes to the real-time dynamic management of laser engraving machine and load balance scheduling, expand its degree of freedom, portability and maintainability, laser engraving machine utilization rate is improved, helps to promote laser engraving machine in creative design and the large-scale application of craftwork design field.
Description
Technical field
The invention belongs to laser-engraving technique field, the laser engraving machine work system of more particularly to a kind of high in the clouds control and
Method.
Background technology
Laser engraving machine be the nonmetallic materials such as organic glass, plastics, paper are cut using laser beam or
The equipment of engraving, under control of the control system, driving motor drive laser engraving head to carry out the workpiece to be added on objective table
Engraving or cutting.Conventional laser engraving machine is made of upper computer software and slave computer, and upper computer software is responsible for image procossing, and right
Slave computer assigns work order and transmission sample track data, and slave computer driving motor controls X to slideway and laser engraving respectively
The slip of head is to machined part carved.Laser engraving has the advantages such as speed is fast, precision is high, the good, low-power consumption of quality, extensively
It is general to be applied to the industries such as advertising, technique industry, mould industry, construction industry, adnornment industry, leather industry.
Chinese patent application publication number 201820113U, it is entitled《A kind of control device of laser engraving machine》Utility model
Patent, including：Host computer (PC machine), slave computer (microcontroller, prime driving, power drive grade, stepper motor, current regulator
Section)；PC machine communicates information to microcontroller by RS232 interface, asynchronous serial communication mode；Microcontroller reaches data transmission
Pre-driver circuitry；Step machine is driven by power drive grade.But host computer is PC machine, it is bulky, be unfavorable for carrying, price holds high
It is expensive.
Chinese patent application publication number 206029024U, publication date 2017-03-22, it is entitled《One kind is based on mobile whole
Hold the miniature laser engraving machine of control》Utility model patent, including：Mobile terminal and laser engraving machine, mobile terminal include
Processor, clock-signal generator and Bluetooth transmission unit；Laser engraving machine includes bluetooth receiving unit, Arduino cores are opened
Send out plate, PLC, peripheral power supply circuit, mechanical device and laser emitter.The utility model patent attempts to control using mobile terminal
Solve host computer capacity issue, emphasize mobile terminal and laser engraving machine guarantee clock are synchronous but mobile terminal processing capacity is weak,
Displacement distance is limited；It is suitble to individual's creative design and fancy goods design processing, but failure hardly results in timely processing.
Chinese patent application publication number 206335254U, publication date 2017-7-8, it is entitled《A kind of 3D Automatic lasers
Interior carving system》Utility model patent, including：Mobile terminal, Cloud Server and control host are mainly generated a by mobile terminal APP
Property 3D character images, form order after Cloud Server is handled, and parameter or setting are carried out again after being downloaded by control host, then
Control body laser inner carving equipment is processed the data read.But specifically how to control host internal work machine without explanation
System, focuses on machine work part.
Chinese patent application publication number 106292535A, publication date 2017-1-4, it is entitled《Numerically-controlled machine tool system of processing
And the digital-control processing system based on cloud platform》Patent of invention, including numerically-controlled machine tool, machine simulation platform and to numerically-controlled machine tool send out
Send the cloud platform of work pieces process program.Cloud platform monitors in real time and judges whether numerically-controlled machine tool processes exception；Cloud platform receives imitative
After the work pieces process program that true platform is sent, the set information of emulation platform transmission can be combined, according to precision, away from discrete time,
Recommend numerically-controlled machine tool to machine simulation platform user.But it does not illustrate and how to judge how exception and recommended parameter obtain
There is no explanations；Its advantage be using study it is convenient, reduce the danger of beginner's operation lathe, caused by reducing processing error
Loss makes lathe more controllable in working.
Chinese patent application publication number 105260794A, publication date 2016-1-20, it is entitled《A kind of cloud data center
Load predicting method》Patent of invention, including step：The historical data of acquisition prediction cloud data center；Calculate CPU history numbers
According to the correlation with remaining each performance indicator；Time window extracts；Feature extraction；Fusion Features；Based on own coding neural network
Compressive features；Supervised learning；Prediction result.
Chinese patent application publication number 107197053A, publication date 2017-09-22, it is entitled《A kind of load-balancing method
And device》, the method includes：The load number of each monitoring resource of virtual machine in timing acquisition cloud data center management platform
According to；Load balancing in the load data of acquisition and the load equalizer being pre-created judges that virtual machine is
It is no to need to carry out dilatation or capacity reducing；Corresponding dilatation or capacity reducing behaviour are performed according to judging result and the load balancing
Make.Monitoring resource includes：CPU, memory, disk and/or network flow.
Chinese patent application publication number 107026908A, publication date 2017-8-8, it is entitled《A kind of load-balancing method,
Load equalizer and load balancing》, current is mainly the following load-balancing method：(1) static load balancing algorithm is
Server will be requested assignment to according to unalterable rules；Such as ith is requested assignment into i-th (mod n) platform according to polling algorithm
Server.(2) Dynamic Load-balancing Algorithm is the server minimum present load is requested assignment to；The loading level of server
Based on active connection number, response time etc..(3) Source Hashing Scheduling algorithm is that client ip address is calculated by hash function
A numerical value is obtained, which carries out modulo operation to the size of server list, and server will be accessed by obtaining client.It is same
A client can be mapped to same back-end server and access every time.
Based on above description, laser-engraving technique still belongs to weaker field, is mainly manifested in：Host computer is according to PC
Machine, then there are it is bulky, be unfavorable for carry, it is expensive the problems such as；According to mobile terminal, then calculate, processing capacity has
Limit, it is difficult to large-scale application.Host computer and the one-to-one connection mode of slave computer are easy to because of laser engraving machine failure, engraving program
Mistake and cause carve mission failure.Laser engraving machine based on cloud platform is to overcome traditional engraving machine (host computer and slave computer
One-to-one connection mode) weakness effective way, by managing, controlling and several laser engraving machines of load balance scheduling, realize
Cloud is processed and cloud manufacture.
Invention content
The purpose of the present invention is to provide a kind of laser engraving machine work system controlled based on high in the clouds load balancing and side
Method, the technologies such as integrated use Internet of Things, cloud computing and Mechanical course are real by high in the clouds to the distributed controll of laser engraving machine
Now to the real-time dynamic management of laser engraving machine and load balance scheduling, expand its degree of freedom, portability and maintainability, improve
Laser engraving machine utilization rate helps to promote laser engraving machine in creative design and the large-scale application of craftwork design field.
In order to achieve the above objectives, solution of the invention is：
It is a kind of based on high in the clouds load balancing control laser engraving machine work system, including several laser engraving machines, one
Cloud control terminal and several mobile intelligent terminals；
The built-in radio receiving transmitting module for supporting WIFI of the laser engraving machine, is connect simultaneously based on wireless WIFI with cloud control terminal
Keep interaction；
Wireless communication module built in the mobile intelligent terminal is carried out based on GPRS or wireless WIFI modes and cloud control terminal
Communication connection, and submit engraving task to cloud control terminal；
When mobile intelligent terminal submits engraving task to cloud control terminal, cloud control terminal regulation goal laser engraving machine performs
Task simultaneously keeps system load balancing.
A kind of laser engraving machine method of work based on the control of high in the clouds load balancing, includes the following steps：
Step S1, laser engraving machine, which is powered, starts and connects automatically cloud control terminal；
Step S2, mobile intelligent terminal connect after cloud control terminal succeeds and keep normal communication；
Step S3, the status information and loading condition parameter of cloud control terminal periodic harvest overall situation laser engraving machine；
Step S4, mobile intelligent terminal meet the image of engraving specification to the submission of cloud control terminal；
Step S5, cloud control terminal receive the image of mobile intelligent terminal transmission and are converted to G code；Assessment is current global sharp
The loading condition of light engraving machine searches target laser engraving machine and keeps system load balancing；G is sent to target laser engraving machine
Code；
Step S6, target dispatch laser engraving machine receive G code, parsing and NC Interpolation, are carved to machined part.
In above-mentioned steps S3, the working condition of laser engraving machine includes following situation：
If working condition is " off line ", represent that laser engraving machine and cloud control terminal do not set up connection；
If working condition is " engraving ", represent that laser engraving machine is in use, and shows load parameter；
If working condition is " mistake ", represent laser engraving machine in failure；
If working condition is " free time ", represents that laser engraving machine is in " free time ", be not carried out print out task.
The particular content of above-mentioned steps S3 is：
Step S31, laser engraving machine acquisition current load data are simultaneously sent to cloud control terminal in a manner of WIFI；
Step S32, cloud control terminal reception load data is gone forward side by side, and row format is reset, filtering and arrangement, assessment present laser are carved
Quarter machine loading condition and determining working condition.
The particular content of above-mentioned steps S5 is：
Step S51 periodically acquires the work state information of global laser engraving machine according to step 2 and loading condition is joined
Number assesses the loading of laser engraving machine, the global average load of laser engraving machine and load imbalance degree；If load imbalance
Degree is less than permissible value δ, then it is assumed that and system run all right, load balancing under current permissible value situation do not need to load balance scheduling,
Go to step S55；Otherwise step S52 is performed；
Step S52, performs pretreatment：Default load adjustment parameter λ calculates the loading condition of each laser engraving machine and complete
The difference of the average load of office's laser engraving machine determines heavy duty collection H, middle load collection M, light load collection L；Heavy duty collection is gently born
It carries and concentrates laser engraving machine by comprehensive treatment capability by weak sequence, corresponding task is by the descending sequence of load requirement by force；It comments
Estimate the average load of current local laser engraving machine；
Step S53, the unbalanced reassignment in part：Task presses the size order of load requirement, successively, is preferentially assigned to synthesis
The strong laser engraving machine of processing capacity, and the average load for meeting local laser engraving machine minimizes constraint；
Step S54, update set：Update the classification of laser engraving machine collection, redefine heavy duty collection H', middle load collection M',
Light load collection L'；If heavy duty collection, the set element number of light load collection are all 0, step S56 is gone to；
Step S55 updates iteration：The average load of global laser engraving machine is calculated, adjusts default load adjustment parameter λ,
Go to step S52；
Step S56 exports present load equilibrium optimal scheduling result.
The particular content of above-mentioned steps S7 is：
Step S71 acquires the operation data of laser engraving machine；
Step S72 carries out the operation data of acquisition multiple signals filtering, amplification, A/D conversions and convergence, is sent to cloud
Control terminal；
Step S73, cloud control terminal receive run signal, carry out fault diagnosis；
Step S74, cloud control terminal send Fault Estimation information to mobile intelligent terminal, and working condition is shown " mistake "；Depending on
The type of failure, position and the reason of cause failure, manpower intervention is fixed a breakdown.
In above-mentioned steps S73, carrying out the process of fault diagnosis is：
Step is 1.：The signal under laser engraving machine normal condition is acquired, establishes characteristic parameter standard sample database；
Step is 2.：Establish common fault diagnosis knowledge base and inference rule library；
Step is 3.：Sensor keeps laser engraving machine continuous, tracking and monitoring, and cloud control terminal receives signal, carries out state
Estimation and association analysis, and compared with characteristic parameter standard sample database, determine engraving machine system current state；
Step is 4.：If current state is " mistake " state, will be pushed away according to common fault diagnosis knowledge base, applying rules
Reason, determines fault type, position and failure cause；
Step is 5.：If can not find corresponding failure type in common fault diagnosis knowledge base, know in common fault diagnosis
Know in library and increase fault type, position, characteristic parameter and failure cause, and update inference rule library.
After above-mentioned steps S6, further include：
Step S7, the operation data of cloud control terminal real-time reception laser engraving machine, laser engraving machine is once during engraving
It breaks down, result is simultaneously forwarded to mobile intelligent terminal by on-line fault diagnosis；
Step S8 when mobile intelligent terminal receives engraving " completion " information, represents that engraving task has been completed；If it receives
When " mistake " is prompted, selection terminates or resubmits engraving task.
After using the above scheme, the present invention has the advantage that：
(1) offline engraving is realized, it is only necessary to submit carved image by specification on mobile intelligent terminal；
(2) according to present laser engraving machine loading condition, by high in the clouds control and Optimized Operation, the utilization of engraving machine is improved
Rate reduces the task overall deadline；
(3) user is facilitated to be adjusted in time according to demand in intelligent mobile terminal, expands the degree of freedom for completing engraving task, drop
The potential threat of low production and operation；
(4) working order of Cloud Server real-time reception present laser engraving machine, including carving the failure occurred in the process,
Labor management is effectively reduced, promotes the automation and scale of laser engraving machine management.
Description of the drawings
Fig. 1 is the integrated stand composition of present system；
Fig. 2 is the flow chart of the method for the present invention.
Specific embodiment
Below with reference to attached drawing, technical scheme of the present invention and advantageous effect are described in detail.
The present invention provides a kind of laser engraving machine work system based on the control of high in the clouds load balancing, is carved including several laser
Quarter machine, a cloud control terminal and several mobile intelligent terminals, introduce separately below.
The laser engraving machine built-in controller module, laser control module, motor drive module, radio receiving transmitting module,
Data acquisition module, power module and supplementary module.The controller module is the control and data processing of laser engraving machine
Core；The laser control module is responsible for protecting and laser head is driven to work；The motor drive module is responsible for driving stepping electricity
Machine X-axis and Y-axis movement；The radio receiving transmitting module is responsible for wirelessly communicating with cloud control terminal；The data acquisition module is responsible for adopting
Collect the operation data of laser engraving machine；The supplementary module provides the miscellaneous functions such as fan for cooling, dehumidifying for laser engraving machine；Institute
It states power module and above-mentioned module offer power supply support is provided.In specific implementation, controller module is developed using Arduino UNO
Plate and CNC Shield v3 expansion board；Laser control module is using ULN2003 composite crystals protection of pipe and driving 250w laser
Head；Motor driving is driven and is controlled 42 stepper motors using A4988 step actuators；Radio receiving transmitting module is used based on STM32
WIFI data transmit-receive modules；Data acquisition module is by sensor group (including speed, displacement, acceleration, temperature, electric current, electricity
The sensors such as pressure, frequency) and conditioning plate composition.Power supply uses 12V2A power supplys.
The cloud control terminal is by image conversion G code module, load balance scheduling module, fault diagnosis module and server
The compositions such as software.Described image conversion G code module is responsible for picture being converted to G code.The load balance scheduling module is filled
Divide the processing capacity using each laser engraving machine so that be dispersed on each laser engraving machine to engraving task balance, meet part
The average load of laser engraving machine minimizes constraint premise.Fault diagnosis module, which is responsible for handling and be analyzed, receives fault collection device
The signal of acquisition carries out state estimation and association analysis, and compared with characteristic parameter standard sample database, judges whether event
Barrier.Server software be image conversion G code module, load balance scheduling module, fault diagnosis module operation support programs.
The mobile intelligent terminal is a kind of software and hardware integration equipment, by central processing unit, memory, LCD display,
The hardware modules such as touch screen input interface, Interface of Communication Conversion are formed, built-in wireless communication module.Mobile intelligent terminal and cloud control
End real-time, interactive processed and shared, is developed using Android based on hardware configuration and integrates following system function, including：It carries online
Engraving picture is handed over, fault alarm is received, checks the functions such as engraving progress, troubleshooting suggestion in the application software system of one.
Fig. 1 is the system architecture diagram for the laser engraving machine work that the present invention realizes the control of high in the clouds load balancing.Several laser
After engraving machine booting, it is connect by radio receiving transmitting module based on WIFI with cloud control terminal and keeps interactive；Mobile intelligent terminal base
Communication is carried out with cloud control terminal to connect, and submit engraving task, cloud control terminal to cloud control terminal in GPRS or wireless WIFI modes
Distributed controll laser engraving machine, load balancing perform and complete engraving task；It submits and carves to cloud control terminal when mobile intelligent terminal
During quarter task, cloud control terminal regulation goal laser engraving machine performs task and keeps system load balancing.Work as mobile intelligent terminal
When receiving cloud control terminal feedback " completion " information, represent that engraving task has smoothly completed；When mobile intelligent terminal receives cloud
Control terminal feedback reception to " mistake " prompt when, represent engraving system there are failure, terminated task may be selected or resubmit carving
Quarter task.
Coordinate Fig. 2 shown in, the present invention also provides it is a kind of based on high in the clouds load balancing control laser engraving machine method of work,
Include the following steps：
Step S1, laser engraving machine, which is powered, to be started, and initializes each analog port and digital port in laser engraving machine, setting
Network connection parameter simultaneously connects cloud control terminal automatically；
Step S2, mobile intelligent terminal are connected after cloud control terminal succeeds by GPRS or wireless WIFI modes and keep normal
Communication；
Step S3, the status information and loading condition parameter of cloud control terminal periodic harvest overall situation laser engraving machine；
If working condition is " off line ", represent that laser engraving machine and cloud control terminal do not set up connection；
If working condition is " engraving ", represent that laser engraving machine is in use, and shows load parameter；
If working condition is " mistake ", represent laser engraving machine in failure；
If working condition is " free time ", represents that laser engraving machine is in " free time ", be not carried out print out task.
Specially：
Step S31, laser engraving machine acquisition current load data are simultaneously sent to cloud control terminal in a manner of WIFI；
Step S32, cloud control terminal reception load data is gone forward side by side, and row format is reset, filtering and arrangement, assessment present laser are carved
Quarter machine loading condition and determining working condition；
Step S4, mobile intelligent terminal need to carve task to meet the image mode of engraving specification to the submission of cloud control terminal；
Step S5, cloud control terminal receive the image of mobile intelligent terminal transmission and are converted to G code；Assessment is current global sharp
The loading condition of light engraving machine searches target laser engraving machine and keeps system load balancing；G is sent to target laser engraving machine
Code；
Specially：
Step S51 periodically acquires the work state information of global laser engraving machine and loading condition parameter according to step 2
(such as engraving step pitch, carving speed, power, carving depth, material (such as：Leather, acrylic, plank, double-colored plate, crystal,
Bamboo)), assessment laser engraving machine completes the load P that current all tasks needi(formula (1)), global laser engraving machine are averaged
Load(load parameter vector normalizes average value, formula (2)), the load imbalance degree ξ (arithmetic square of load parameter variance sum
The mean value of root, formula (3))：
Wherein, xijJ-th of load parameter value for i-th laser engraving machine；kjIt is weighed accordingly for j-th of load parameter
Value, and For j-th of load parameter mean value；I=1,2 ..., n；J=1,2 ..., m；N represents laser
Engraving machine number；M represents load parameter number.
Load imbalance degree is smaller, represents that laser engraving machine work system current loading condition is better.If load is uneven
Weighing apparatus degree ξ is less than permissible value δ, then it is assumed that system run all right, load balancing under current permissible value situation do not need to load balancing tune
Degree, goes to step S55；Otherwise step S52 is performed；
Step S52, performs pretreatment：Default load adjustment parameter λ calculates the loading condition of each laser engraving machine and complete
The difference of the average load of office's laser engraving machineDetermine heavy duty collection H, middle load collection M, light load collection L；It closes
And heavy duty collection H and light load collect L (H ∪ L), laser engraving machine is by comprehensive treatment capability by by force to weak sequence, integrated treatment
Ability evaluation metrics include：Carving speed, engraving step pitch, power (complete machine power, laser power), carving depth and applicable material
Matter；Corresponding task assesses load requirement by formula (1) and sorts from big to small；；It is born by the local average of (2) formula assessment H ∪ L collection
It carries；
Step S53, the unbalanced reassignment in part：Task presses the size of load requirement, successively, is preferentially assigned to integrated treatment
The strong laser engraving machine of ability, and the average load for meeting local laser engraving machine minimizes requirement.Specially：
Assuming that laser engraving machine comprehensive treatment capability sequence is CM in H ∪ L1≥CM2≥...≥CMn', task t1,
t2,...,tm'Load requirement sequence be p1≥p2≥...≥pm', PiLoaded for i-th laser engraving machine, n ', m ' it is respectively to swash
Light engraving machine and task number, task assignment procedure are：
Step is 1.：t1Preferentially it is assigned to CM1, P1=p1；
Step is 2.：t2Preferentially it is assigned to CM1, P1=P1+p2But it is required to meetOtherwise t2Preferentially it is assigned to
CM2, P2=p2；t3Preferentially it is assigned to CM1, P1=P1+p3, but be required to meetOtherwise t3Preferentially it is assigned to CM2,
P2=P2+p3, but be required to meetOtherwise t3Preferentially it is assigned to CM3, P3=p3；It continues to complete and appoints as stated above
Be engaged in t4,t5,..,tm'Distribution；
Step is 3.：The average load of H ∪ L collection is reappraised, if the average load of H ∪ L collection decays, goes to step
①；
Step is 4.：Export last time task allocation result.
Step S54, update set：The collection classification of update laser engraving machine determines heavy duty collection H', middle load collection M', gently bears
Carry collection L'；If heavy duty collection, the set element number of light load collection are all 0, step S56 is gone to；
Step S55 updates iteration：The average load of global laser engraving machine is calculated, adjusts default load adjustment parameter (example
Such as λ=λ+0.1), go to step S52；
Step S56 exports present load equilibrium optimal scheduling result.
Step S6, target dispatch laser engraving machine receive G code, and parsing and NC Interpolation, driving motor control X, Y respectively
Slip to slideway and laser engraving head is carved to machined part；
Step S7, the operation data of cloud control terminal real-time reception laser engraving machine, laser engraving machine is once during engraving
It breaks down, result is simultaneously forwarded to mobile intelligent terminal by on-line fault diagnosis；Specially：
Step S71, the data acquisition module of laser engraving machine, including：Speed, displacement, acceleration, temperature, electric current, electricity
The sensors such as pressure, frequency or conditioning plate are responsible for the operation data of acquisition laser engraving machine；
Step S72, data acquisition module filters multiple signals, amplification, A/D is converted and convergence, in a manner of wireless WIFI
It is sent to cloud control terminal；
Step S73, cloud control terminal receive run signal, carry out fault diagnosis；
Step S74, cloud control terminal send Fault Estimation information to mobile intelligent terminal, and working condition is shown " mistake "；Depending on
The type of failure, position and the reason of cause failure, manpower intervention is fixed a breakdown when necessary.
The failure diagnostic process is：
Step is 1.：By being attached to the data acquisition module of laser engraving machine, the signal under normal condition is acquired, establishes feature
Parameter and standard sample database；
Step is 2.：Establish common fault diagnosis knowledge base (including：Fault type, position, characteristic parameter and failure cause)
And inference rule library；
Step is 3.：Sensor keeps laser engraving machine continuous, tracking and monitoring, and cloud control terminal receives signal, carries out state
Estimation and association analysis, and compared with characteristic parameter standard sample database, determine engraving machine system current state；
Step is 4.：If current state is " mistake " state, will be pushed away according to common fault diagnosis knowledge base, applying rules
Reason, determines fault type, position and failure cause；
Step is 5.：If can not find corresponding failure type in common fault diagnosis knowledge base, know in common fault diagnosis
Know in library and increase fault type, position, characteristic parameter and failure cause, and update inference rule library.
Step S8 when mobile intelligent terminal receives engraving " completion " information, represents that engraving task has been completed；If it receives
When " mistake " is prompted, selection terminates or resubmits engraving task.
Above example is merely illustrative of the invention's technical idea, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within the scope of the present invention
Within.
Claims (8)
1. a kind of laser engraving machine work system based on the control of high in the clouds load balancing, it is characterised in that：It is carved including several laser
Quarter machine, a cloud control terminal and several mobile intelligent terminals；
The built-in radio receiving transmitting module for supporting WIFI of the laser engraving machine, is connect and kept with cloud control terminal based on wireless WIFI
Interaction；
Wireless communication module built in the mobile intelligent terminal is communicated based on GPRS or wireless WIFI modes and cloud control terminal
Connection, and submit engraving task to cloud control terminal；
When mobile intelligent terminal submits engraving task to cloud control terminal, cloud control terminal regulation goal laser engraving machine performs task
And keep system load balancing.
2. a kind of laser engraving machine method of work based on the control of high in the clouds load balancing, it is characterised in that include the following steps：
Step S1, laser engraving machine, which is powered, starts and connects automatically cloud control terminal；
Step S2, mobile intelligent terminal connect after cloud control terminal succeeds and keep normal communication；
Step S3, the status information and loading condition parameter of cloud control terminal periodic harvest overall situation laser engraving machine；
Step S4, mobile intelligent terminal meet the image of engraving specification to the submission of cloud control terminal；
Step S5, cloud control terminal receive the image of mobile intelligent terminal transmission and are converted to G code；The current global laser carving of assessment
Quarter machine loading condition, search target laser engraving machine and simultaneously keep system load balancing；G generations are sent to target laser engraving machine
Code；
Step S6, target dispatch laser engraving machine receive G code, parsing and NC Interpolation, are carved to machined part.
3. the laser engraving machine method of work as claimed in claim 2 based on the control of high in the clouds load balancing, it is characterised in that：Institute
It states in step S3, the working condition of laser engraving machine includes following situation：
If working condition is " off line ", represent that laser engraving machine and cloud control terminal do not set up connection；
If working condition is " engraving ", represent that laser engraving machine is in use, and shows load parameter；
If working condition is " mistake ", represent laser engraving machine in failure；
If working condition is " free time ", represents that laser engraving machine is in " free time ", be not carried out print out task.
4. the laser engraving machine method of work as claimed in claim 2 based on the control of high in the clouds load balancing, it is characterised in that：Institute
Stating the particular content of step S3 is：
Step S31, laser engraving machine acquisition current load data are simultaneously sent to cloud control terminal in a manner of WIFI；
Step S32, cloud control terminal receive load data go forward side by side row format resetting, filtering and arrange, assess present laser engraving machine
Loading condition and determining working condition.
5. the laser engraving machine method of work as claimed in claim 2 based on the control of high in the clouds load balancing, it is characterised in that：Institute
Stating the particular content of step S5 is：
Step S51 periodically acquires the work state information of global laser engraving machine and loading condition parameter according to step 2, comments
Estimate the loading of laser engraving machine, the global average load of laser engraving machine and load imbalance degree；If load imbalance degree is small
In permissible value δ, then it is assumed that system run all right, load balancing under current permissible value situation do not need to load balance scheduling, turn step
Rapid S55；Otherwise step S52 is performed；
Step S52, performs pretreatment：Default load adjustment parameter λ, the loading condition and the overall situation for calculating each laser engraving machine swash
The difference of the average load of light engraving machine determines heavy duty collection H, middle load collection M, light load collection L；Heavy duty collection, light load collection
Middle laser engraving machine is by comprehensive treatment capability by weak sequence, corresponding task is by the descending sequence of load requirement by force；Assessment is worked as
The average load of preceding local laser engraving machine；
Step S53, the unbalanced reassignment in part：Task presses the size order of load requirement, successively, is preferentially assigned to integrated treatment
The strong laser engraving machine of ability, and the average load for meeting local laser engraving machine minimizes constraint；
Step S54, update set：The classification of laser engraving machine collection is updated, determines heavy duty collection H', middle load collection M', light load collection
L'；If heavy duty collection, the set element number of light load collection are all 0, step S56 is gone to；
Step S55 updates iteration：The average load of global laser engraving machine is calculated, default load adjustment parameter λ is adjusted, goes to
Step S52；
Step S56 exports present load equilibrium optimal scheduling result.
6. the laser engraving machine method of work as claimed in claim 2 based on the control of high in the clouds load balancing, it is characterised in that：Institute
Stating the particular content of step S7 is：
Step S71 acquires the operation data of laser engraving machine；
Step S72 carries out the operation data of acquisition multiple signals filtering, amplification, A/D conversions and convergence, is sent to cloud control
End；
Step S73, cloud control terminal receive run signal, carry out fault diagnosis；
Step S74, cloud control terminal send Fault Estimation information to mobile intelligent terminal, and working condition is shown " mistake "；Depending on failure
Type, position and the reason of cause failure, manpower intervention is fixed a breakdown.
7. the laser engraving machine method of work as claimed in claim 6 based on the control of high in the clouds load balancing, it is characterised in that：Institute
It states in step S73, carrying out the process of fault diagnosis is：
Step is 1.：The signal under laser engraving machine normal condition is acquired, establishes characteristic parameter standard sample database；
Step is 2.：Establish common fault diagnosis knowledge base and inference rule library；
Step is 3.：Sensor keeps laser engraving machine continuous, tracking and monitoring, and cloud control terminal receives signal, carries out state estimation
And association analysis, and compared with characteristic parameter standard sample database, determine engraving machine system current state；
Step is 4.：It, will be according to common fault diagnosis knowledge base, applying rules reasoning, really if current state is " mistake " state
Determine fault type, position and failure cause；
Step is 5.：If can not find corresponding failure type in common fault diagnosis knowledge base, in common fault diagnosis knowledge base
In increase fault type, position, characteristic parameter and failure cause, and update inference rule library.
8. the laser engraving machine method of work as claimed in claim 2 based on the control of high in the clouds load balancing, it is characterised in that：Institute
After stating step S6, further include：
Step S7, the operation data of cloud control terminal real-time reception laser engraving machine, laser engraving machine during engraving is once occur
Result is simultaneously forwarded to mobile intelligent terminal by failure, on-line fault diagnosis；
Step S8 when mobile intelligent terminal receives engraving " completion " information, represents that engraving task has been completed；If receive " mistake "
During prompting, selection terminates or resubmits engraving task.
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