Multi-objective optimization scheduling method based on iron and steel enterprise energy system

A multi-objective optimization and energy system technology, which is applied in the field of multi-objective optimal scheduling based on the energy system of iron and steel enterprises, can solve problems such as non-convergence in the solution process and failure to output scheduling solutions, so as to solve multi-objective optimal scheduling problems and achieve economic cost and environmental protection

Active Publication Date: 2017-09-15
NORTHEASTERN UNIV
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Problems solved by technology

For such complex strong constraints and multi-objective optimization problems, the solution process may not converge, and the optimal scheduling scheme cannot be output

Method used

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  • Multi-objective optimization scheduling method based on iron and steel enterprise energy system
  • Multi-objective optimization scheduling method based on iron and steel enterprise energy system
  • Multi-objective optimization scheduling method based on iron and steel enterprise energy system

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Embodiment Construction

[0055] In order to better explain the present invention and facilitate understanding, the present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0056] figure 1 It is a schematic flow chart of the multi-objective optimal scheduling method based on the energy system of iron and steel enterprises provided by an embodiment of the present invention. The execution subject of the method in this embodiment can be an independent processing device, such as a computer and other equipment. The multi-objective optimal scheduling includes the following steps :

[0057] S1. Obtain the network topology, dispatchable key equipment information, dispatch parameters and historical data of energy production and consumption of the energy system of the iron and steel enterprise, and determine the production conditions of the energy system in the future dispatch cycle; the energy system of the iron and steel enterprise includ...

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Abstract

The invention provides a multi-objective optimization scheduling method based on an iron and steel enterprise energy system. The method comprises steps: the network topology of the iron and steel enterprise energy system, schedulability key device information and energy production and consumption historical data in a past scheduling period are acquired; according to the energy production and consumption historical data, a training data set is built, and according to energy production and consumption data corresponding to a production working condition in a future scheduling period, a prediction data set is built; through the training data set, a trained BP neural network is acquired; the prediction data set is substituted to the trained BP neural network for processing to acquire first prediction data for supply and demand for a gas system, a steam system, and a power system in the future scheduling period; and according to the first prediction data, an economic scheduling model, an environment cost model, a schedulability key device model and constraints, a multi-objective optimization scheduling model is built, the multi-objective optimization scheduling model is solved, and the optimal solution for the energy system is acquired. The above method ensures convergence of the calculation process, and the optimal scheduling scheme can be acquired.

Description

technical field [0001] The invention belongs to the field of energy dynamic balance and optimal scheduling of iron and steel enterprises, and in particular relates to a multi-objective optimal scheduling method based on the energy system of iron and steel enterprises. Background technique [0002] The iron and steel industry is a basic pillar industry of the national economy, a typical process-based industry, and a resource- and energy-intensive industry. It has the following characteristics: On the one hand, the production process of iron and steel enterprises is long, with various processes and equipment, and the processes are connected with each other, and each process and equipment are associated with multiple energy media; on the other hand, the types of energy that iron and steel enterprises need to use More than 20 types, among which the most important energy media are gas, steam, and electricity. These energy media not only have various forms of production and consum...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/04G06N3/04G06N3/08
CPCG06N3/084G06Q10/04G06Q10/0631G06Q50/04G06N3/044Y02P80/10Y02P90/30
Inventor 张琦倪团结马家琳高金彤
Owner NORTHEASTERN UNIV
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