Mass amount adjusting mediation decoupling control method suitable for pitch peak heating station

Abstract

A mass amount adjusting mediation decoupling control method suitable for a pitch peak heating station, and belongs to the technical field of controlling of heating stations. The mass amount adjusting mediation decoupling control method suitable for the pitch peak heating station mainly solves the problem that an existing heat supply process control method is not suitable for controlling a pitch peak heating station which is of nonlinear multivariable coupling system control. The mass amount adjusting mediation decoupling control method suitable for the pitch peak heating station comprises the following steps: modeling a pitch peak heating station heat supply coupling system; utilizing the method combing typical signal response with least squares to build heat supply mass amount adjusting main adjusting channel models G11, G12 and G13; carrying out discretization of an obtained main channel modular form (2), and utilizing a proportion integral derivative (DIP) neural network to learn and obtain the non-linear relationship G13, G21 and G22 combining with the discretized main channel model; and utilizing the PID neural network to carry out decoupling control of the mass adjustment and quality adjustment of the pitch peak heating station. The mass amount adjusting mediation decoupling control method suitable for the pitch peak heating station utilizes the advantages of solving the problems of nonlinearity, strong coupling and multiple variables of the PID neural network to carry out multivariable decoupling control of a quality adjusting circuit and a mass adjusting circuit, and the mass amount adjusting mediation decoupling control method suitable for the pitch peak heating station is applied to pitch peak heating stations.

Description

technical field [0001] The invention relates to a heat supply adjustment method for a peak-shaving heat power station, relates to a peak-shaving heat supply technology for a centralized heating network, and belongs to the technical field of heat power station control. Background technique [0002] With the rapid development of my country's urbanization process and the rapid expansion of cities, the original heat source and heating network heating capacity of the city can no longer meet the needs of the city's rapid development. To solve this problem, on the one hand, the heating capacity of the heating network can be improved, but there is a certain limit to the improvement of the heating capacity of the heating network; As a means of the heating system, it can effectively solve the problem of insufficient load during the peak heating period, and plays an important role in the stability and good operation of the heating system. [0003] The heat supply process of a traditio...

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Problems solved by technology

[0005] In order to solve the problem that the existing heat supply process control method is not suitable for controlling the nonlinear multivariable coupling system of the peak-shaving thermal station, the present invention further provides a quality regulation quantity regulation decoupling control method suitable for the peak-shaving thermal station

The method of the present invention uses a PID neuron network to adapt to multivariable control problems such as nonlinearity, strong coupling, and disturbance effects in the heating process of a peak-shaving thermal station, and performs quality adjustment separately while decoupling the quality adjustment loop and the quantity adjustment loop Loop and volume control loop control, to solve the problem of asymmetrical multi-variable coupling control of three inputs and two outputs of peak shaving heat station

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