CN108010411A - A kind of intelligence assembly type automatically controls synthetic instruction experiment porch - Google Patents
A kind of intelligence assembly type automatically controls synthetic instruction experiment porch Download PDFInfo
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- CN108010411A CN108010411A CN201711075501.6A CN201711075501A CN108010411A CN 108010411 A CN108010411 A CN 108010411A CN 201711075501 A CN201711075501 A CN 201711075501A CN 108010411 A CN108010411 A CN 108010411A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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Abstract
Synthetic instruction experiment porch is automatically controlled the invention discloses a kind of intelligent assembly type, include intelligent drives component, signal acquisition component and simulation thermomechanical components, intelligent drives component, direct current generator is driven using PWM ripples, is provided simultaneously with photoelectric code disk, three kinds of modes of speed measuring motor and optoelectronic switch gather motor speed and angle；Signal acquisition component, analog quantity, digital quantity or frequency quantity signal are either exported to gather；Thermomechanical components are simulated, resistance, the capacitance with multiple independent amplifiers and its periphery, to build various analog circuits.Various components may be used singly or in combin, realize the motor control and analog circuit control in Teaching of Automatic Control experiment, and intelligent drives component and signal acquisition component can be communicated by Ethernet with PC machine, upper and lower machine experimental system is formed.The teaching experiment platform has the characteristics that to combine flexible, vdiverse in function, compact and easy to maintain.
Description
Technical field
Synthetic instruction experiment porch is automatically controlled the present invention relates to a kind of intelligent assembly type, belongs to teaching experimental equipment
Field, for automatically controlling the experiment of class course teaching.
Background technology
In the teaching practice for automatically controlling class course, usually arrange opened loop control, closed-loop control, velocity feedback correction,
The experiment content such as plant characteristic identification, digital control.If only it is real to carry out emulation using simulation computer or digital computer
Test, cannot well with engineering it is actual combine, teaching efficiency unobvious.The present invention devises a kind of the automatic of intelligent assembly type
Platform of Experimental Teaching is controlled, effectively student can be helped to understand Automatic Control Theory.
Zhang Tianhong exists《Comprehensive Experimental Instrument for Automatic Control Teaching is developed》A kind of electrical servo control system is devised in one text
Centered on system towards the teaching experiment system for automatically controlling class course, system experimental box using microcontroller as core design,
Usage data collection card carries out data acquisition, drives motor using linear amplifier amplification mode, laboratory apparatus fully applies firmly
Part resource, it is possible to achieve analog/digital control, open/close control, location/velocity control, upper and lower computer grading control etc. are more
Kind work in combination mode, so as to help student to understand control theory, improves the analysis designed capacity to actual control system.
But the teaching and experiment equipment has following deficiency：
1) it is serious using linear drive circuit driving motor, inefficiency, heat production.
2) design of experimental box is used to cause equipment heaviness and not easy care.
3) Usage data collection card carries out data acquisition, and line is complicated, easily error.
Deng it is valued for《Towards the Multi-function experimental Platform Designing of Experiments of Automatic Control》One kind is devised in one text and is based on DSP
Multi-function experimental platform, by toward different experimental applications programs is loaded in DSP, realizing the Experiments of Automatic Control of polymorphic type.
The experiment porch has stronger versatility in design structure, can carry out a variety of motor control experiments, and carry for user
Supplied good second development interface, contributed to user on the basis of the hardware environment of the platform, development function more improve and
Complicated Experiments of Automatic Control content.
But the teaching and experiment equipment has following deficiency：
1) without the function of building analogous circuit experiment.
2) different experiments are needed to DSP again programming program, it has not been convenient to.
The content of the invention
Goal of the invention：For above-mentioned existing problem and shortage, the purpose of the present invention is a kind of intelligent assembly type
Automatically control synthetic instruction experiment porch.
Technical solution：
A kind of intelligence assembly type automatically controls synthetic instruction experiment porch, including PC machine, motor, intelligent drives group
Part, signal acquisition component, simulation thermomechanical components and patch cord, the PC machine, motor, intelligent drives component, signal acquisition component,
Signaling interface is provided with simulation thermomechanical components, the patch cord is used for corresponding each signaling interface of connection, and each several part can form as follows
Four kinds of combination connection relations,
Mode A, PC machine are connected with intelligent driver module, and intelligent drives component is connected with motor；
Mode B, PC machine are connected with signal acquisition component, and signal acquisition component is connected with intelligent drives component, intelligent drives
Component is connected with motor cabinet；
Pattern C, PC machine are connected with signal acquisition component, and signal acquisition component is connected with simulation thermomechanical components；
Pattern D, PC machine are connected with signal acquisition component, and signal acquisition component is connected with simulation thermomechanical components, simulates thermomechanical components
It is connected with intelligent drives component, intelligent drives component is connected with motor cabinet.
Further, it is provided with network interface in the PC machine；The intelligent drives component, direct current generator is driven using PWM ripples,
At the same time using the angle and speed of photoelectric encoder measurement motor, using the tach signal of speed measuring motor feedback motor, using light
Electric switch measurement motor rotational frequency, and be equipped with LCD screen and be used for real-time display motor speed and angle, the intelligent drives component
On be provided with control signal interface, network interface, photoelectric encoder interface, speed measuring motor interface, optoelectronic switch interface, motor interface,
The signal acquisition component, either exports analog quantity, digital quantity or frequency quantity signal to gather, is set on signal acquisition component
It is equipped with control signal interface, analog machine analog signal interface, network interface；The simulation thermomechanical components, have multigroup independent amplifier and
Resistance, the capacitance on periphery, are provided with analog machine analog signal to build various analog circuits, in the simulation thermomechanical components and connect
Mouth, control signal interface, photoelectric coding interface, speed measuring motor interface, optoelectronic switch interface, the motor of the intelligent drives component
Interface is connected respectively photoelectric coding interface, speed measuring motor interface, optoelectronic switch interface, the motor interface of motor.
Further, the network interface of PC machine and the network interface of intelligent driver module are connected by patch cord one in Mode A, pass through net
Network communication forms upper and lower machine experimental system and carrys out monitoring system.
Further, the network interface of PC machine is connected with the network interface of signal acquisition component by patch cord one in Mode B, and signal is adopted
The control signal interface of collection component is connected with the control signal interface of intelligent drives component by plug wire two,
Further, the network interface of PC machine is connected with the network interface of signal acquisition component by patch cord one in pattern C, and signal is adopted
The analog machine signaling interface for collecting component is connected with simulating the analog machine analog signal interface of thermomechanical components by plug wire three.
Further, the network interface of PC machine is connected with the network interface of signal acquisition component by patch cord one in pattern D, and signal is adopted
The analog machine signaling interface for collecting component is connected with simulating the analog machine analog signal interface of thermomechanical components by plug wire three, simulates unit
The control signal interface of part is connected with the control signal interface of intelligent drives component by plug wire two,.
Further, the plug wire one is single line plug wire, and plug wire two is the plug wire of three winding displacements, and plug wire three is four winding displacements
Plug wire.
Beneficial effect：
1) teaching experiment platform can be freely combined, vdiverse in function, compact is flexible, convenient later maintenance.
2) various components use defined signaling interface, combine easy-to-connect and will not wrong plug cause equipment damage.
3) communication with host computer uses Ethernet, and speed is fast, and reliability is high.
4) motor is driven to use the mode of PWM ripples, efficient, heat production is few.
5) simulation control and digital control experiment are integrated with, it is feature-rich comprehensive.
Brief description of the drawings
Fig. 1 automatically controls synthetic instruction experiment porch structure chart for intelligent assembly type provided by the invention；
The intelligent drives component exclusive use that Fig. 2 is the present invention carries out experiment connection figure；
Fig. 3 is the intelligent drives component and signal acquisition component combination experiment connection figure of the present invention；
Fig. 4 is the acquisition component and simulation thermomechanical components combination experiment connection figure of the present invention；
Fig. 5 is the intelligent drives component, signal acquisition component and simulation thermomechanical components combination experiment connection figure of the present invention.
Embodiment
Further explanation is done to the present invention below in conjunction with the accompanying drawings.
A kind of intelligent assembly type of this method offer automatically controls synthetic instruction experiment porch as shown in Figure 1, specific knot
Structure is：Including PC machine, motor, intelligent drives component, signal acquisition component, simulation thermomechanical components and patch cord, the PC machine, electricity
Machine, intelligent drives component, signal acquisition component, be provided with signaling interface in simulation thermomechanical components, and the patch cord is used for corresponding connect
Connect each signaling interface.
The major function for the intelligent drives component that the present invention designs is to receive to come from host computer or control by Ethernet
The control signal of signaling interface controls motor, is provided with network interface in PC machine, intelligent drives component and PC machine by Ethernet into
Row communication, directly can instruct control motor according to host computer, direct current generator is driven using PWM ripples.
Control signal interface, network interface, photoelectric coding interface, speed measuring motor interface, photoelectricity are provided with intelligent drives component
Switch interface, motor interface, intelligent drives component also reset button with a LCD screen and a position, and LCD screen can facilitate
Ground shows the control information such as motor speed and angle, and position reset button can reset motor angle count value.The intelligence
Photoelectric coding interface, speed measuring motor interface, optoelectronic switch interface, the motor interface of drive component are connected respectively the light of motor
Electric addressable port, speed measuring motor interface, optoelectronic switch interface, motor interface.Photoelectric encoder signal is the orthogonal of motor feedback
Signal, can be used for the angle and speed of measurement motor；What speed measuring motor was fed back is the tach signal of motor；Optoelectronic switch is to survey
Measure motor rotation frequency, and feedback tach signal；Direct current generator drive voltage signal is the signal for driving direct current generator.
Speed measuring motor interface is positive and negative both threads, analog signals；Photoelectric encoder interface is 5 lines, corresponding 5V power supplys, ground, A phases, B
Phase, Z phases；Optoelectronic switch interface is 3 lines, corresponding power, ground, with signal wire；Motor interface is 2 lines, and corresponding motor is just
Anode.The control signal interface of intelligent drives component has 3 signals：Motor control signal, receives control of other module to motor
System instruction；Feedback speed signal, feeds back the velocity magnitude of current motor；Position feed back signal, feeds back current motor positions, intelligence
The control signal interface input and output of drive component are all analog quantitys.Intelligent drives component can receive other component and be transmitted across
Come control voltage and feed back current rotating speed and angle signal.
The signal acquisition component that the present invention designs, major function are communicated with host computer, complete collection signal and given letter
Number task, can gather and either export analog quantity, digital quantity or frequency quantity signal, signal acquisition component has control signal to connect
Mouth, analog machine analog signal interface, network interface and 3 spare signaling interfaces.Wherein signal acquisition component can be believed by simulating
Number interface provides two-way analog input and two-way analog output to analog machine.Signal acquisition component can be with intelligent drives mould
Block is connected by control signal interface, and motor is controlled.Signal acquisition component also has spare analog signal interface, numeral
Signaling interface and frequency signal interface, can be used for expanding other application scenario.Signal acquisition component uses Ethernet with PC machine
Communicate.
The simulation thermomechanical components that the present invention designs, major function is can easily to build various analog circuits, and studies this
The characteristic of a little analog circuits is controlled motor by these analog circuits.Simulation thermomechanical components have control signal interface with
Two interfaces of analog machine analog signal interface.Control signal interface has 3 signals：Motor control signal, feedback speed signal and
Position feed back signal.Simulation thermomechanical components can be connected by control signal interface with intelligent drives component, and motor is controlled.
Analog machine analog signal interface has 4 signals, is two-way analog acquisition passage and two-way analog output channel respectively.Simulation
Thermomechanical components can receive the pumping signal that signal acquisition component exports by analog machine analog signal interface, which passes through student
The analog circuit built passes through the interface input signal acquisition component again.Simulation thermomechanical components have multigroup independent amplifier and periphery
Resistance, capacitance, to build various analog circuits, simulate have on the panel of thermomechanical components it is multiple can directly plug conducting wire insert
Mouthful, these sockets resistance different from amplifier and its periphery resistance value, capacitance, capacitance are connected, and student can be conveniently by connection
Conducting wire builds such as inertial element, the analog circuit such as lead-lag network or simulation control of PID.
The present invention automatically control synthetic instruction experiment each several part can be formed it is following four kinds combination connection relation,
Mode A, PC machine are connected with intelligent driver module, and intelligent drives component is connected with motor, the network interface and intelligence of PC machine
The network interface of drive module is connected by patch cord one, and upper and lower machine experimental system is formed come monitoring system by network service；It is logical
The effect of different rotating speed acquisition modes can be observed and compare advantage and disadvantage by crossing upper computer software student, while can carry out motor
The experiment such as calibration, dead band observation.Student oneself can also write host computer procedure and realize control algolithm and be led to slave computer
The reliable existing control to motor.
Mode B, PC machine are connected with signal acquisition component, and signal acquisition component is connected with intelligent drives component, intelligent drives
Component is connected with motor cabinet；The network interface of PC machine is connected with the network interface of signal acquisition component by patch cord one, signal acquisition component
Control signal interface be connected with the control signal interface of intelligent drives component by plug wire two, intelligent drives component is as motor
Driver uses, and receives the motor control signal from signal acquisition component, while the speed of motor and angle signal are fed back
Gathered to signal acquisition component.Student can be programmed in host computer, write various control algolithm control motors.
Pattern C, PC machine are connected with signal acquisition component, and signal acquisition component is connected with simulation thermomechanical components；PC machine in pattern C
Network interface be connected with the network interface of signal acquisition component by patch cord one, the analog machine signaling interface of signal acquisition component and simulation
The analog machine analog signal interface of thermomechanical components is connected by plug wire three.Student can build such as one order inertia ring on analog machine
The analog circuits such as section, second-order inertia link, lead-lag network, are given with gathering analog signal, so by signal acquisition component
The input and output response relation of these analog circuits can be easily observed using the upper computer software write, student afterwards, also
It can carry out frequency-domain analysis.
Pattern D, PC machine are connected with signal acquisition component, and signal acquisition component is connected with simulation thermomechanical components, simulates thermomechanical components
It is connected with intelligent drives component, intelligent drives component is connected with motor cabinet.The network interface of PC machine and signal acquisition component in pattern D
Network interface is connected by patch cord one, the analog machine signaling interface and the analog machine analog signal of simulation thermomechanical components of signal acquisition component
Interface is connected by plug wire three, simulates the control signal interface of thermomechanical components with the control signal interface of intelligent drives component by inserting
Line two connects.The control of the analog circuit realization such as PID controller can be built on analog machine in the connection mode Students '
Device processed, is controlled motor, and the feedback signal of synchronous signal acquisition component collection motor driving output simultaneously communicates with PC machine, can
To give instruction by host computer and observe control effect
Plug wire one is single line plug wire, and plug wire two is the plug wire of three winding displacements, and plug wire three is the plug wire of four winding displacements.
It can be seen that automatically controlling synthetic instruction experiment porch using the present invention, it can comprehensively design and automatically control reality
Test, help student to be better understood from and go deep into Automatic Control Theory, and the teaching experiment platform has the function of that combination is flexible, more
Sample, compact and it is easy to maintain the characteristics of.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of intelligence assembly type automatically controls synthetic instruction experiment porch, it is characterised in that including PC machine, motor, intelligence
Energy drive component, signal acquisition component, simulation thermomechanical components and patch cord, the PC machine, motor, intelligent drives component, signal
Signaling interface is provided with acquisition component, simulation thermomechanical components, the patch cord is used for corresponding each signaling interface of connection, and each several part can
Form following four kinds of combinations connection relation：
Mode A, PC machine are connected with intelligent driver module, and intelligent drives component is connected with motor；
Mode B, PC machine are connected with signal acquisition component, and signal acquisition component is connected with intelligent drives component, intelligent drives component
It is connected with motor cabinet；
Pattern C, PC machine are connected with signal acquisition component, and signal acquisition component is connected with simulation thermomechanical components；
Pattern D, PC machine are connected with signal acquisition component, and signal acquisition component is connected with simulation thermomechanical components, simulates thermomechanical components and intelligence
Energy drive component connection, intelligent drives component are connected with motor cabinet.
2. a kind of intelligent assembly type according to claim 1 automatically controls synthetic instruction experiment porch, its feature exists
In being provided with network interface in the PC machine；The intelligent drives component, direct current generator is driven using PWM ripples, while is compiled using photoelectricity
The angle and speed of code device measurement motor, using the tach signal of speed measuring motor feedback motor, using optoelectronic switch measurement motor
Rotational frequency, and be equipped with LCD screen and be used for real-time display motor speed and angle, control letter is provided with the intelligent drives component
Number interface, network interface, photoelectric encoder interface, speed measuring motor interface, optoelectronic switch interface, motor interface, the signal acquisition group
Part, either exports analog quantity, digital quantity or frequency quantity signal, being provided with control signal on signal acquisition component connects to gather
Mouth, analog machine analog signal interface, network interface；The simulation thermomechanical components, have resistance, the electricity on multigroup independent amplifier and periphery
Hold, to build various analog circuits, be provided with analog machine analog signal interface in the simulation thermomechanical components, control signal connects
Mouthful, photoelectric coding interface, speed measuring motor interface, optoelectronic switch interface, the motor interface of the intelligent drives component correspond to respectively
Connect photoelectric coding interface, speed measuring motor interface, optoelectronic switch interface, the motor interface of motor.
3. a kind of intelligent assembly type according to claim 2 automatically controls synthetic instruction experiment porch, its feature exists
In, the network interface of PC machine and the network interface of intelligent driver module are connected by patch cord one in Mode A, be made up of network service,
Slave computer experimental system carrys out monitoring system.
4. a kind of intelligent assembly type according to claim 2 automatically controls synthetic instruction experiment porch, its feature exists
In the network interface of PC machine is connected with the network interface of signal acquisition component by patch cord one in Mode B, the control letter of signal acquisition component
Number interface is connected with the control signal interface of intelligent drives component by plug wire two.
5. a kind of intelligent assembly type according to claim 2 automatically controls synthetic instruction experiment porch, its feature exists
In the network interface of PC machine is connected with the network interface of signal acquisition component by patch cord one in pattern C, the analog machine of signal acquisition component
Signaling interface is connected with simulating the analog machine analog signal interface of thermomechanical components by plug wire three.
6. a kind of intelligent assembly type according to claim 2 automatically controls synthetic instruction experiment porch, its feature exists
In the network interface of PC machine is connected with the network interface of signal acquisition component by patch cord one in pattern D, the analog machine of signal acquisition component
Signaling interface is connected with simulating the analog machine analog signal interface of thermomechanical components by plug wire three, and the control signal for simulating thermomechanical components connects
Mouth is connected with the control signal interface of intelligent drives component by plug wire two.
7. synthetic instruction experiment porch is automatically controlled according to a kind of any intelligent assembly type of claim 3~6, its
It is characterized in that, the plug wire one is single line plug wire, and plug wire two is the plug wire of three winding displacements, and plug wire three is the plug wire of four winding displacements.
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| CN201711075501.6A CN108010411A (en) | 2017-11-06 | 2017-11-06 | A kind of intelligence assembly type automatically controls synthetic instruction experiment porch |
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