CN106527183A

CN106527183A - Synchronization method for simulation design of electromechanical control system

Info

Publication number: CN106527183A
Application number: CN201611221263.0A
Authority: CN
Inventors: 程刚
Original assignee: Xian Aircraft Design and Research Institute of AVIC
Current assignee: Xian Aircraft Design and Research Institute of AVIC
Priority date: 2016-12-26
Filing date: 2016-12-26
Publication date: 2017-03-22

Abstract

The invention discloses a synchronization method for the simulation design of an electromechanical control system. The system comprises a mechanical part, an electrical part and a logical part. According to the mechanical part, the visual effects and the typical working conditions of the mechanical part are graphically simulated based on the computer software technology, and the working condition of an electrical signal is triggered. In this way, the operation state of the mechanical part of the system can be visually observed by users. According to the electrical part, the complete interface types, the interface number and the interface parameters of the electromechanical system are completely finished, and the electrical part is realized based on a hardware interface circuit and the computer simulation technology. In this way, the consistency of a real system and a simulation system is ensured. According to the logical part, the logical part is implemented by the computer software, and a logical state machine is constructed by corresponding mechanical parts. Meanwhile, the graphics state of the mechanical part is associated with an electrical interface. Therefore, the electrical state and the mechanical state are ensured to be synchronized when a computer is processing related data.

Description

A kind of synchronous method in Mechatronic control system design of Simulation

Technical field

The invention belongs to Aircraft Electrical System control technology field, and in particular in a kind of Mechatronic control system design of Simulation Synchronous method.

Background technology

When the Mechatronic control system of aircraft is designed, often exist in principles simulation and semi-physical simulation and lack true ring In border, the synchronous triggering of the electrical control signal caused by mechanical movement so that disconnecting occurs in the closed loop control of system, cause be There is stationary problem in system design of Simulation.

Citing 1：《Large-scale generator set monitoring system》

Abridgments of specifications:This utility model is related to large-scale generator set monitoring system, including ... data acquisition and signal every From module, warning output and monitoring software system.Monitor mainly for electromotor electric parameters：With low-frequency oscillation and subsynchronous shake Swing real-time monitoring, record and display function, to generator on-line parameter identification ... real time execution working condition acquiring/calculating/ Monitoring, the record of P-Q seals and the detection of display, generator's power and angle δ and stability margin, the emulation of operating condition and prediction etc..

Citing 2：《A kind of control system for permanent-magnet synchronous motor》

Abridgments of specifications:This utility model is related to a kind of control system, more specifically to a kind of permagnetic synchronous motor control System processed, carries out precise control to magneto, and system possesses error correction and alert capability, in time failure can be excluded, be carried High reliability.Single-chip microcomputer is used for reception processing signal, and output clock instruction and impulse modulation are instructed to field-programmable gate array Row.Power driving circuit is for being amplified to the pulse width modulating signal of field programmable gate array, defeated to Switching Power Supply Entering signal carries out rectification, filtering and inversion process.Photoelectric encoder is used for measurement motor rotating speed and rate signal is converted into electricity Fault message is fed back to field programmable gate array ... to single-chip microcomputer by signal transmission

In citing 1, used as monitoring system, from signal stream Perspective Analysis, system under test (SUT) is produced in running such system Raw various signals, are analyzed by the computer hardware interface and software processes of monitoring system, present to user, the flowing of information It is unidirectional；

In citing 2, this is a kind of typical with feedback control system, the various letters produced in unit under test running Number, after the computer software and hardware Treatment Analysis of control system, then produce dependent instruction and feed back to moving component, realize final Expected control.Control system is to interact with motor system, and flow of information is two-way.

The technology of the present invention comes from the Mechatronic control system design of aircraft, its control mode with illustrate 2 similar, difference is, Citing 2 depicts the implementation of real system.And present invention solution principle Qualify Phase in aircraft system design, lack Physics is in kind, needs to emulate out by the operating mechanism of this " virtual system ", so as to verify the solution principle of system.

The content of the invention

Technical scheme：Synchronous method in a kind of Mechatronic control system design of Simulation, it is characterised in that including Machinery Ministry Point, electric part and " logic " part, wherein, mechanical part：By computer software technology, Machinery Ministry is emulated to graphically The visual effect divided and exemplary operation state, trigger the operating mode of electric signal, are easy to user's Visual Observations Observations system mechanics part Running status；Electric part：The interface type of complete combing Mechatronic Systems, quantity, interface parameters, using hardware interface circuit With computer technology the Realization of Simulation, the concordance of real system and analogue system is kept；Logical gate：By computer software reality It is existing, the logic " state machine " of corresponding mechanical part is built, and the Graphic State of mechanical part is associated with electric interfaces, it is ensured that During computer disposal related data, the synchronization of machine performance and electric state is kept.

Beneficial effect

In principle scheme Qualify Phase, the virtual system that the invention builds is independent of and tool when checking system design is checked Body physical entity；Virtual system platform is built in conceptual design, iteration can be quickly changed, is conducive to the design review (check) (DR) of system Expose with problem；Virtual system platform make use of computer hardware technique to realize, make use of generic resource, and can be virtually many System, later stage hardware resource reusable.Therefore either from save time cost, or reduce Financial cost, the technology of the present invention with A kind of new method improves design, improves efficiency, saves expense.

Specific embodiment

Below the present invention is described in further details.

Synchronous method in a kind of Mechatronic control system design of Simulation, it is characterised in that including mechanical part, electric part " logic " part, wherein, mechanical part：By computer software technology, the vision effect of mechanical part is emulated to graphically Fruit and exemplary operation state, trigger the operating mode of electric signal, are easy to the running status of user's Visual Observations Observations system mechanics part；Electricity Gas part：The interface type of complete combing Mechatronic Systems, quantity, interface parameters, using hardware interface circuit and computer skill Art the Realization of Simulation, keeps the concordance of real system and analogue system；Logical gate：Realized by computer software, built corresponding Mechanical part logic " state machine ", and the Graphic State of mechanical part is associated with electric interfaces, it is ensured that computer disposal During related data, the synchronization of machine performance and electric state is kept.

By taking certain aircraft fuel system partial function emulation as an example, oil feed pump provides oil transportation power, and stop valve is in petroleum pipeline In road, and in the exit position of oil feed pump.Oil feed pump and stop valve miscellaneous part collaborative work, realize the confession to system of transmitters Oil and tripping protection function.Simulation process is as follows：

1, mechanical part emulation：Oil feed pump is electric rotary machine part, and stop valve is similarly electric rotary machine part. Simulation process be access control principle, the specific frame for movement of Without wishing part.Oil feed pump is drawn using software labwindows With the physical appearance figure of stop valve, and the open and close and stateful switchover process figure of typical pump and valve, it is easy to figure circle The form in face is presented mechanical form when system works.

2, electric part emulation：Oil feed pump possesses driving power supply interface and pressure transducer, and stop valve has cutting-off controlling electricity Source interface and open stop switch in place and close stop switch in place.Interface circuit technology is utilized in emulation, by design side The type of the side circuit of case, quantity and interface parameters build test physical platform, and interface circuit includes：28V power interfaces, pressure Force transducer (electric current) interface, ground/open discrete magnitude interface etc..

3, logical gate emulation：Simulation computer software realizes the work-based logic of pump and valve, using C language software programming structure The working condition and the logic " state machine " of switching of oil feed pump and stop valve are built, part work-based logic therein includes：Oil feed pump After operating after energization, its outlet pressure sensor just produces certain pressure signal；When turning on the power power supply of stop valve, opens Stop switch has ground signalling in place, closes no signal in place, when the closing power supply of stop valve is powered, closes stop switch in place There is ground signalling, open no signal in place；When either on or off state switches, time mechanical movement several seconds, stop switch signal is complete Overturn into state.The graphical interfaces state that above-mentioned mechanical part is emulated by Simulation Control computer and electric interfaces state relation, Software program communicates to graphic user interface and hardware circuit driver, so that fuel system oil feed pump and stop valve The synchronized cooperative work of machine performance and electric state.

Claims

1. the synchronous method in a kind of Mechatronic control system design of Simulation, it is characterised in that including mechanical part, electric part and " logic " part, wherein, mechanical part：By computer software technology, the visual effect of mechanical part is emulated to graphically And exemplary operation state, the operating mode of electric signal is triggered, is easy to the running status of user's Visual Observations Observations system mechanics part；Electrically Part：The interface type of complete combing Mechatronic Systems, quantity, interface parameters, using hardware interface circuit and computer technology The Realization of Simulation, keeps the concordance of real system and analogue system；Logical gate：Realized by computer software, built corresponding The logic " state machine " of mechanical part, and the Graphic State of mechanical part is associated with electric interfaces, it is ensured that computer disposal phase When closing data, the synchronization of machine performance and electric state is kept.