Automatic simulation experiment system

A technology of simulation experiment and experiment box, which is applied in the direction of instruments, simulators, space navigation equipment, etc., can solve the problems of difficult training of students' hands-on ability, heavy maintenance, and inability to move, so as to facilitate the test control effect and exercise hands-on operation capacity, saving manpower and material resources

Inactive Publication Date: 2019-12-20
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The full physical simulation device is intuitive and visual, but it occupies a large area, the wiring is fixed, it cannot be moved, and the maintenance is heavy, the instruments and devices are easily damaged, and the failure rate is high
The hardware-in-the-loop simulation device is expensive, but also bulky, inconvenient to move, and poor in flexibility
The full-software simulation device needs to occupy a computer, which is costly and has no input and output wiring, which makes it difficult for students to train their hands-on ability

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0032] Figure 7 The heating furnace simulation system shown not only gives the temperature change of the heating furnace material outlet according to the energy balance, but also simulates the combustion of fuel, furnace radiation and convective heat release, and the flow of flue gas, which can reflect the negative pressure of the furnace, Changes in furnace temperature and flue gas outlet oxygen content. When building a control system, it is necessary to complete the start-up process in strict accordance with the steps, otherwise accidents such as explosion and coking will occur. Changes also need to pay attention to the impact of the combustion system to avoid accidents such as black smoke and flameout, and ensure the energy-saving, environmentally friendly and efficient operation of the furnace. The simulation system will give warnings for various faults and force the shutdown.

[0033] The control of the heating furnace needs to be put into operation in strict accordance ...

Embodiment 2

[0035] Figure 8The hot water supply system shown is based on the actual hotel hot water supply as the engineering background, which is convenient for students to understand the process and control requirements. Before the control, it is first necessary to calculate the size of the thermal insulation water tank, the power of the heater and the adjustment according to the number of rooms and users. The flow coefficient of the valve, and then design and implement the control system according to the high and low peak water conditions, to ensure the uninterrupted and stable hot water supply 24 hours a day.

[0036] The control of the hot water supply system requires a strict start-up process. In the design of the control scheme, it is not only to complete the coupled control of temperature and liquid level, but also to complete the operations of replenishing water, returning water, and switching according to the peak and low peak conditions of water consumption. The control effect ...

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Abstract

The invention discloses an automatic simulation experiment system, and relates to the technical field of automatic simulation experiments. The system comprises an experiment box and an industrial touch screen, wherein the experiment box mainly completes the functions of mathematical modeling and signal input and output of a controlled object, and the industrial touch screen completes the man-machine interaction, selects and sets the controlled object, and can visually and vividly display the working process of the controlled object or a device. The automatic simulation experiment system can beused with a PLC, a distributed control system, a digital regulator and an industrial personal computer to construct various simple or complex control systems, and the implementation and debugging ofa control scheme can be completed, so that the automatic simulation experiment system not only can be used for experiment teaching of courses such as "Process control instruments and devices" and "Process control engineering", but also can be used for practice teaching links such as comprehensive experiments and graduation design.

Description

technical field [0001] The invention relates to the technical field of automatic simulation experiments, in particular to an automatic simulation experiment system. Background technique [0002] Experimental teaching is an indispensable link in the cultivation of talents in engineering colleges. It not only helps the understanding and application of theoretical knowledge, but also plays a huge role in cultivating students' practical ability and innovation ability. The practical teaching of automation major includes not only the experimental teaching of various professional courses such as process control engineering, process control instruments and devices, computer control, etc., but also many practical links such as comprehensive experiments, professional course design and graduation design, etc. In these practical teaching Among them, the accused object is indispensable, especially the analysis and solution of complex engineering problems are especially emphasized in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B9/00G09B25/02
CPCG09B9/00G09B25/02
Inventor 孙良刘居波
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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