CN201918045U

CN201918045U - Electromechanical integration comprehensive teaching experiment platform with recombination function

Info

Publication number: CN201918045U
Application number: CN2010202982774U
Authority: CN
Inventors: 潘海鸿; 陈琳; 廖小平; 秦钢年; 蒙艳玫; 谭华卿; 孙红涛
Original assignee: Guangxi University
Current assignee: Guangxi University
Priority date: 2010-08-20
Filing date: 2010-08-20
Publication date: 2011-08-03
Anticipated expiration: 2020-08-20

Abstract

The utility model discloses an electromechanical integration comprehensive teaching experiment platform with recombination function. The teaching experiment platform is characterized in that the teaching experiment platform at least comprises a mechanical platform, an advanced reduced instruction-set computer machines (ARM) embedded teaching experiment box, a digital signal processing (DSP) teaching experiment box and an electronic design automation (EDA) comprehensive experiment box; the four modules are respectively independent from each other; the EDA comprehensive teaching experiment box comprises a field-programmable gate array (FPGA) module, a digital-to-analogue conversion module and an input/output interface module; the ARM embedded teaching experiment box and the DSP teaching experiment box respectively comprise a bus expansion interface; the modules of different functions can be connected with each other through the EDA comprehensive teaching experiment box and the bus expansion interfaces, and then the comprehensive teaching experiment platform with new function can be recombined. Under the condition of little invested fund, the electromechanical integration comprehensive teaching experiment platform with function modularization and recombination function can be formed, a plurality of comprehensive or innovative teaching experiments can be completed through flexible recombination, and all teaching experiments of the original teaching experiment box can be maintained.

Description

Electromechanical integration synthetic instruction experiment porch with recombination function

Technical field

The utility model relates to a kind of electromechanical integration platform, relates to a kind of electromechanical integration synthetic instruction experiment porch with recombination function specifically, carries out electromechanical integration synthetic instruction experiment for domestic institution of higher learning and higher vocational college.

Background technology

Merge the electromechanical integration technology that forms by multiple technologies such as mechanical engineering technology, microelectric technique, sensor technology, Embedded Real-Time control technology, computing machine and mechanicss of communication, in current society, obtain very widespread use, and rapidly advance, become current industrial automation important component part.Given this, cultivate adaptation modern industry enterprise demand, the talent with electromechanical integration complex art ability is imperative.

Cultivate electromechanical integration complex art talent requirement for satisfying, domestic many colleges and universities all make up " electromechanical integration comprehensive experimental system " one after another.At present there is following deficiency in constructed comprehensive experimental system: be the advance of guaranteeing experiment porch and comprehensive, buy external advanced experiment porch, need once drop into substantial contribution, as buy the MPS-modularization production and processing system of German FESTO company, need hundreds of thousands yuan as new " electro-mechanical system design and Comprehensive Experiment " platform, this is difficult to bear for most of colleges and universities; With high content of technology, the construction difficulty is bigger, to participating in project personnel's competency profiling height, has certain risk; Few to the experiment that can finish with the less synthesis experiment platform of fund input, and do not reach the requirement of Comprehensive Experiment level, the student is few in the chance of starting on machinery, the hardware, programme on the software.

Summary of the invention

Proposition of the present utility model is intended to solve disposable the having high input of present electromechanical integration experiment porch, and is with high content of technology, builds problems such as difficulty is bigger.The utility model provides a kind of electromechanical integration synthetic instruction experiment porch with recombination function.Purpose is under the few situation of fund input, makes up to have that function can be recombinated, modular electromechanical integration synthesis experiment platform, and it is abundant to finish experiment content, comprehensive strong, has advance, Comprehensive Experiment with high content of technology.Student's all experiments on the functional module that can do former Teaching Experiment Box, reorganization difference in functionality module is finished a plurality of comprehensive or novelty education experiments flexibly.

The technical scheme that the utility model provides is summarized as follows:

A kind of electromechanical integration synthetic instruction experiment porch with recombination function, it comprises at least four functional modules: mechanical platform, the embedded Teaching Experiment Box of ARM, DSP Teaching Experiment Box, EDA synthetic instruction experimental box; Described functional module is separate; Realize interconnecting between the described difference in functionality module by described EDA synthetic instruction experimental box, bus expansion interface, reconfigure the synthetic instruction experiment porch that formation has new function.

Described EDA synthetic instruction experimental box comprises FPGA module, D/A converter module, input/output interface module; Described FPGA module is made up of a FPGA and the 2nd FPGA at least, connects by signal wire between a described FPGA and the 2nd FPGA; Described input/output interface module is made up of digital quantity input and output, pulse output, 2 each 2 road 16bit high-speed digital-analog translation interface, grating chi interface, encoder interfaces, download interface, power interface, bus expansion interfaces.

All comprise the bus expansion interface in embedded Teaching Experiment Box of described ARM and the DSP Teaching Experiment Box.

The embedded Teaching Experiment Box of described ARM and DSP Teaching Experiment Box are connected by bus expansion interface corresponding in the bus expansion interface on the experimental box separately and the EDA synthetic instruction experimental box respectively; The embedded Teaching Experiment Box of described ARM, DSP Teaching Experiment Box, EDA synthetic instruction experimental box constitute motion controller synthetic instruction experiment porch.

Described EDA synthetic instruction experimental box is connected with mechanical platform by IO interface; Described EDA synthetic instruction experimental box and mechanical platform constitute new synthetic instruction experiment porch.

Described EDA synthetic instruction experimental box is connected with mechanical platform by IO interface, and described DSP Teaching Experiment Box is connected with EDA synthetic instruction experimental box by the bus expansion interface; Described mechanical platform, DSP Teaching Experiment Box, EDA synthetic instruction experimental box constitute the high-precise motion control system synthetic instruction experiment porch with position closed loop or semiclosed loop.

Described EDA synthetic instruction experimental box is connected with mechanical platform by IO interface, and the embedded Teaching Experiment Box of described ARM and DSP Teaching Experiment Box are connected by bus expansion interface corresponding in the bus expansion interface on the experimental box separately and the EDA synthetic instruction experimental box respectively; Described mechanical platform, the embedded Teaching Experiment Box of ARM, DSP Teaching Experiment Box, EDA synthetic instruction experimental box constitute the High Performance Motion Control system synthesis teaching experiment platform with multiprocessor.

The utlity model has under the situation of less input fund, can constructing technology content height, experiment content is abundant, and is comprehensive strong, has that function can be recombinated, the characteristics of modular electromechanical integration combination experiment platform.According to function electromechanical integration synthetic instruction experiment porch is divided into four functional modules at least: mechanical platform, the embedded Teaching Experiment Box of ARM, DSP Teaching Experiment Box, EDA synthetic instruction experimental box; These functional modules are separate, can independently carry out the education experiment project of module separately separately.Can also the difference in functionality module be interconnected by EDA synthetic instruction experimental box, the bus expansion interface of exploitation, reconfigure the synthetic instruction experiment porch that formation has new function.

Description of drawings

Fig. 1 is the electromechanical integration synthetic instruction experiment porch synoptic diagram with recombination function;

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

The electromechanical integration synthetic instruction experiment porch structure that the utlity model has recombination function as shown in Figure 1, it comprises at least four functional modules: mechanical platform, the embedded Teaching Experiment Box of ARM, DSP Teaching Experiment Box, EDA synthetic instruction experimental box; Described functional module is separate; Realize interconnecting between the described difference in functionality module by EDA synthetic instruction experimental box, bus expansion interface, reconfigure the synthetic instruction experiment porch that formation has new function.

Mechanical platform mainly comprises ball-screw 1, grating chi 2, two-slices gear 3, AC servo or stepper motor 4, AC servo or stepper motor corresponding driving device, scrambler 5, limit switch 6, limit switch 7, near switch 8.

EDA synthetic instruction experimental box comprises FPGA module, D/A converter module, input/output interface module; The FPGA module is made up of a FPGA and the 2nd FPGA at least, connects by signal wire between a described FPGA and the 2nd FPGA; Described input/output interface module is made up of digital quantity input and output (DI/DO), pulse output, 2 each 2 road 16bit high-speed digital-analog conversion (16bit DAC) interfaces, grating chi interface, encoder interfaces, download interface, power interface, bus expansion interfaces.Power interface in the EDA synthetic instruction experimental box is powered to experimental box; Download the hardware description language written program by the download interface in the EDA synthetic instruction experimental box and realize difference in functionality, the one FPGA realizes the two-port RAM function, and the 2nd FPGA realizes movement position, rate signal collection, processing and the control function to mechanical platform.

All comprise the bus expansion interface in embedded Teaching Experiment Box of ARM and the DSP Teaching Experiment Box.The DSP Teaching Experiment Box is connected with PC by emulator, by emulator the program that writes is downloaded in the DSP Teaching Experiment Box.The composition of DSP Teaching Experiment Box, function and the education experiment project that can carry out are determined by the purchase product, as ICETEK-F2812 or F28335 Teaching Experiment Box.Composition in the embedded Teaching Experiment Box of ARM, function and the education experiment project that can carry out are determined by the purchase product, as Magic ARM2410 Teaching Experiment Box.

The difference in functionality module realizes interconnecting by EDA synthetic instruction experimental box, bus expansion interface, reconfigures to constitute the synthetic instruction experiment porch with new function, and reorganization can constitute following synthetic instruction experiment porch:

(1) the embedded Teaching Experiment Box of ARM and DSP Teaching Experiment Box are connected by bus expansion interface corresponding in the bus expansion interface on the experimental box separately and the EDA synthetic instruction experimental box respectively, utilize the two-port RAM function of a FPGA in the EDA synthetic instruction experimental box, realize the information interaction between embedded Teaching Experiment Box of ARM and the DSP Teaching Experiment Box; The embedded Teaching Experiment Box of ARM is as synthetic instruction experiment porch host computer, and the DSP Teaching Experiment Box is as the bottom motion control unit; The embedded Teaching Experiment Box of ARM, DSP Teaching Experiment Box, EDA synthetic instruction experimental box constitute motion controller synthetic instruction experiment porch.

(2) limit switch in the mechanical platform, be connected with DI/DO in the EDA synthetic instruction experimental box respectively near switch; Code device signal in the mechanical platform and grating chi signal are input to the 2nd FPGA respectively by the encoder interfaces in the EDA synthetic instruction experimental box, grating chi interface; If mechanical platform adopts AC servo motor, then the AC servo machinery driving device is connected with 16bit DAC interface in the EDA synthetic instruction experimental box; If mechanical platform adopts stepper motor, then stepper motor driver is exported with the pulse in the EDA synthetic instruction experimental box and is connected; Utilize in the EDA synthetic instruction experimental box the 2nd FPGA to realize to the position of mechanical platform, collection, processing and the control of rate signal; EDA synthetic instruction experimental box and mechanical platform constitute new synthetic instruction experiment porch.

(3) EDA synthetic instruction experimental box is connected with mechanical platform by IO interface, and the DSP Teaching Experiment Box is connected by the middle mutually corresponding bus expansion interface of bus expansion interface and EDA synthetic instruction experimental box; Mechanical platform, DSP Teaching Experiment Box, EDA synthetic instruction experimental box constitute the high-precise motion control system synthetic instruction experiment porch with position closed loop or semiclosed loop.

(4) EDA synthetic instruction experimental box is connected with mechanical platform by IO interface, and the embedded Teaching Experiment Box of ARM and DSP Teaching Experiment Box are connected by bus expansion interface corresponding in the bus expansion interface on the experimental box separately and the EDA synthetic instruction experimental box respectively; Mechanical platform, the embedded Teaching Experiment Box of ARM, DSP Teaching Experiment Box, EDA synthetic instruction experimental box constitute the High Performance Motion Control system synthesis teaching experiment platform with multiprocessor.

In this instructions, should be pointed out that above embodiment only is the more representational example of the utility model.Obviously, the utility model is not limited to above-mentioned specific embodiment, can also make various modifications, conversion and distortion.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.Every foundation technical spirit of the present utility model all should be thought to belong to protection domain of the present utility model to any simple modification, equivalent variations and modification that above embodiment did.

Claims

1. electromechanical integration synthetic instruction experiment porch with recombination function, it is characterized in that: it comprises at least four functional modules: mechanical platform, the embedded Teaching Experiment Box of ARM, DSP Teaching Experiment Box, EDA synthetic instruction experimental box; Described functional module is separate; Realize interconnecting between the described difference in functionality module by described EDA synthetic instruction experimental box, bus expansion interface, reconfigure the synthetic instruction experiment porch that formation has new function.

2. the electromechanical integration synthetic instruction experiment porch with recombination function according to claim 1 is characterized in that: described EDA synthetic instruction experimental box comprises FPGA module, D/A converter module, input/output interface module; Described FPGA module is made up of a FPGA and the 2nd FPGA at least, connects by signal wire between a described FPGA and the 2nd FPGA; Described input/output interface module is made up of digital quantity input and output, pulse output, 2 each 2 road 16bit high-speed digital-analog translation interface, grating chi interface, encoder interfaces, download interface, power interface, bus expansion interfaces.

3. the electromechanical integration synthetic instruction experiment porch with recombination function according to claim 1 is characterized in that: all comprise the bus expansion interface in embedded Teaching Experiment Box of described ARM and the DSP Teaching Experiment Box.

4. the electromechanical integration synthetic instruction experiment porch with recombination function according to claim 1 is characterized in that: the embedded Teaching Experiment Box of described ARM and DSP Teaching Experiment Box are connected by bus expansion interface corresponding in the bus expansion interface on the experimental box separately and the EDA synthetic instruction experimental box respectively; The embedded Teaching Experiment Box of described ARM, DSP Teaching Experiment Box, EDA synthetic instruction experimental box constitute motion controller synthetic instruction experiment porch.

5. the electromechanical integration synthetic instruction experiment porch with recombination function according to claim 1 is characterized in that: described EDA synthetic instruction experimental box is connected with mechanical platform by IO interface; Described EDA synthetic instruction experimental box and mechanical platform constitute new synthetic instruction experiment porch.

6. the electromechanical integration synthetic instruction experiment porch with recombination function according to claim 1, it is characterized in that: described EDA synthetic instruction experimental box is connected with mechanical platform by IO interface, and described DSP Teaching Experiment Box is connected with EDA synthetic instruction experimental box by the bus expansion interface; Described mechanical platform, DSP Teaching Experiment Box, EDA synthetic instruction experimental box constitute the high-precise motion control system synthetic instruction experiment porch with position closed loop or semiclosed loop.

7. the electromechanical integration synthetic instruction experiment porch with recombination function according to claim 1, it is characterized in that: described EDA synthetic instruction experimental box is connected with mechanical platform by IO interface, and the embedded Teaching Experiment Box of described ARM and DSP Teaching Experiment Box are connected by bus expansion interface corresponding in the bus expansion interface on the experimental box separately and the EDA synthetic instruction experimental box respectively; Described mechanical platform, the embedded Teaching Experiment Box of ARM, DSP Teaching Experiment Box, EDA synthetic instruction experimental box constitute the High Performance Motion Control system synthesis teaching experiment platform with multiprocessor.