Experimental Device for Selective Control System for Virtual Objects
A technology of control system and experimental device, which is applied in the direction of educational appliances, instruments, teaching models, etc., can solve the problems of difficulty in building a control system for out-of-limit variables in abnormal situations, unsatisfactory experimental results of temperature control systems, and poor teaching effects of pure software. Achieve good teaching effect, simple structure, and reduce floor space
Active Publication Date: 2017-11-21
黄山市屯溪区昱城产业投资控股有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to solve the problem that the pure software teaching effect is poor in the existing control theory and control engineering teaching process, and the pure hardware teaching investment is large, which affects the teaching quality, and the overriding control system in the industry is mainly oriented to the normal working state The main controlled variable is the soft protection control system of temperature, and the temperature controlled controlled object constructed by the actual object is an irreversible process of temperature rise or fall, which constitutes a temperature control system. system, to realize a selective control system or an "override control" system, that is, to construct a soft protection control system. For this reason, the present invention designs an experimental method and device for a virtual object selective control system combining software and hardware, to construct the following The teaching mode of virtual simulation experiment based on reality and combination of virtual and real, constructing a networked experimental teaching mode oriented to the cultivation of system engineering ability
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[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0016] Such as Figure 1-2 shown.
[0017] An experimental device for a virtual object selective control system, which includes an industrial computer 1, the industrial computer 1 is connected to the PLC-CPU3 via the RS-232 communication component 2, and the PLC-CPU is respectively connected to the regulator control ① 4, the regulator Control ②5, PLC-DI module 9, PLC-DO module 10, PLC-AI module ②14, PLC-AI module ①16 are connected, regulator control ①4 is connected with PLC_AO module ①6, regulator control ②5 is connected with PLC_AO module ②7, On the one hand, the output terminal ①6 of the PLC_AO module is connected to the positive input terminal of the comparator 8, the output terminal ②7 of the PLC_AO module is connected to the negative input terminal of the comparator 8, and the output terminal of the comparator 8 is connected to the input point 9 o...
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An experimental device for a selective control system for virtual objects, comprising an industrial computer (1), characterized in that the industrial computer (1) is connected to a PLC-CPU (3), and the PLC-CPU is respectively connected to a regulator control ① (4), the regulator control ② (5), PLC‑DI module (9), PLC‑DO module (10), PLC‑AI module ② (14), PLC‑AI module ① (16) are connected, the regulator control ①(4) is connected with PLC_AO module ①(6), and the regulator control ②(5) is connected with PLC_AO module ②(7). The output terminal of PLC_AO module ②(7) is connected to the negative input terminal of the comparator (8), the output terminal of the comparator (8) is connected to the input point of the PLC‑DI module (9), on the other hand, the PLC_AO module ①( 6) The output terminal is connected to the normally closed node of the relay (12), and the output terminal of PLC_AO module ② (7) is connected to the normally open node of the relay (12). The invention has the advantages of simple structure, low investment and good teaching effect.
Description
technical field [0001] The invention relates to a teaching experiment device, in particular to a control theory and control engineering teaching experiment device, in particular to a virtual object selective control system-oriented experimental device. Background technique [0002] "Process Control Engineering" is the main course of automation majors in engineering colleges after the national professional reform. ability and hands-on ability. For this reason, all colleges and universities have carried out corresponding experimental reform and construction, and its directions include two categories: one is for pure software simulation, which is not ideal at present, mainly because students do experiments with poor sense of reality; the other is for practical simulation. To construct the production process, this method requires a large investment and requires a large floor area, and is not conducive to developmental experiments. In order to strengthen the engineering charact...
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IPC IPC(8): G09B23/18
Inventor 施云贵
Owner 黄山市屯溪区昱城产业投资控股有限公司