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Electric heating pure steam generator based on fuzzy PID control

A fuzzy control, pure steam technology, applied in the direction of temperature control, adaptive control, general control system, etc., can solve the problems of poor robustness, large overshoot, long adjustment time, etc., to achieve fast gas production and strong adaptability , the effect of robustness enhancement

Inactive Publication Date: 2018-01-19
XIANGTAN UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0006] In view of the above-mentioned defects in the prior art, the present invention aims to provide a method for controlling the heating power of electric heating tubes based on fuzzy PID control, which solves the problems of long adjustment time, large overshoot and poor robustness of conventional PID control

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  • Electric heating pure steam generator based on fuzzy PID control
  • Electric heating pure steam generator based on fuzzy PID control
  • Electric heating pure steam generator based on fuzzy PID control

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Embodiment Construction

[0031] Attached below Figure 1-6 DETAILED DESCRIPTION OF THE INVENTION The present invention will be described in further detail.

[0032] Under the condition that the feed water volume of the raw material water is constant, an important condition for ensuring the stable gas output of the electric heating pure steam generator is to ensure the temperature in the evaporator, so the heating power adjustment of the electric heating tube 6 becomes particularly important. Based on the importance of adjusting the heating power of the electric heating tube 6, the following inventions have been made, such as figure 1 As shown, an electric heating pure steam generator based on fuzzy PID control includes a programmable controller PLC3, a touch screen 4, a power regulator 5, and an electric heating tube 6.

[0033] It is characterized in that: the programmable controller PLC3 collects the temperature from the evaporator 1, compares it with the temperature setting value, and obtains a temperat...

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Abstract

The invention discloses an electric heating pure steam generator based on fuzzy PID control. The electric heating pure steam generator comprises an evaporator, a temperature sensor, a programmable logic controller (PLC), a touch screen, a power regulator, an electric heating pipe and a separator. The PLC collects the temperature from the evaporator through the temperature sensor, compares the temperature with a temperature set value, and obtains a temperature control signal through a fuzzy control operation. The touch screen can set the initial temperature and display the corresponding temperature setting, actual evaporator temperature and operation status relevant information of the electric heating pipe. The power regulator can receive a power regulation control signal sent by the PLC and regulate the heating power of the electric heating pipe. The electric heating pure steam generator in the invention has the characteristics of quick reaction control and strong adaptability, a regulation system is ensured to have good dynamic and steady state characteristics, the anti-interference performance is good and the robustness is remarkably enhanced.

Description

Technical field [0001] The invention relates to the field of pharmaceutical water equipment, in particular to an electric heating pure steam generator based on fuzzy PID control. Background technique [0002] The electric heating tube of the electric heating multi-effect water distiller generally adopts the traditional PID controller to control the heating power, and obtains a relatively good control effect. However, since the electric heating multi-effect distilled water machine is running, the system state parameters are constantly changing. In order to keep the system always in the best control state, the PID parameters need to be continuously revised. It is extremely difficult for on-site operators to reasonably set these parameters, which affects the water production effect of the electric heating multi-effect distilled water machine. The controlled object of the electric heating pure steam generator temperature control system is a non-linear and time-varying link. It is di...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/20G05B13/04
Inventor 吴淑英王有栋吴志民陈丹丹马新瑶
Owner XIANGTAN UNIV
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