Optimal Control Method of Batch Reaction Process in Batch Reactor

A reaction process and optimization control technology, applied in electrical program control, comprehensive factory control, comprehensive factory control, etc., can solve problems such as the inability to meet the control requirements of the intermittent reaction process and the lack of the ability to compensate for nonlinearity.

Inactive Publication Date: 2018-05-04
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the operating conditions of the batch process are highly nonlinear, control strategies such as linear model predictive control (MPC) lack the ability to compensate for the nonlinearity and cannot meet the control requirements of the batch reaction process.

Method used

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  • Optimal Control Method of Batch Reaction Process in Batch Reactor
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  • Optimal Control Method of Batch Reaction Process in Batch Reactor

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Embodiment Construction

[0059] The following will combine Figure 1 to Figure 4 The optimal control method of the batch reaction process in the batch reactor provided by the present invention is described in detail, which is an optional embodiment of the present invention, and it can be considered that those skilled in the art will not change the spirit and content of the present invention. Be able to revise and polish it.

[0060] The idea of ​​this method is to:

[0061] The entire control structure is mainly composed of three layers.

[0062] The upper structure is aimed at the optimization problem in the batch reaction process. Considering the dynamic model of the process, the TLBO algorithm is used to solve the dynamic optimization problem of the process, so as to obtain its maximum economic benefits. It is called the optimization layer. The optimization layer calculates the control object (such as: reaction temperature ) as the reference trajectory of the control layer; the lower layer struct...

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Abstract

The invention provides an optimization control method in the batch reaction process of a batch reactor. The method includes the following steps of S100, calculating the optimal value track of a control object through a TLBO algorithm according to a received economic optimization index to serve as the reference track of a control layer; S200, ensuring the boundedness of input and output signals of a closed-loop system through a linear generalized predictive controller in the batch reaction process, compensating for a nonlinear term of the system through a nonlinear neural network generalized predictive controller, and selecting the linear generalized predictive controller or the nonlinear neural network generalized predictive controller according to a preset switching performance index at each sampling moment so that the optimal value track obtained in the step S100 can be tracked by a controlled object; S300, restraining and eliminating the influences of disturbance entering the system on output through a bottom layer controller so as to output the value of the control object.

Description

technical field [0001] The invention relates to the field of control optimization of a batch reaction process in a batch reactor, in particular to an optimization control method of a batch reaction process. Background technique [0002] Batch process occupies a very important position in chemical production, and is widely used in the production of high value-added products, such as fine chemical products, polymers, biological products, pharmaceuticals, etc. With the rapid development of biochemical research in the 21st century and the development of related products R&D and production, the batch process will play a greater role. However, due to the characteristics of the batch reaction process itself, such as strong nonlinearity, lack of steady-state operating conditions, and uncertainty in the reaction process, process optimization and control have certain limitations. Therefore, proposing a more effective optimization and control strategy is a crucial link in the batch rea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 王昕宋治强
Owner SHANGHAI JIAOTONG UNIV
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