Electric automobile air conditioning system intelligent control method based on improved intelligent model predictive control

Abstract

The invention relates to an electric automobile air conditioning system intelligent control method based on improved intelligent model predictive control, and belongs to the technical field of vehiclethermal management, and the electric automobile air conditioning system intelligent control method comprises the steps: S1, building an automobile air conditioning system-passenger compartment coupling thermal model; S2, establishing a model prediction controller matched with the automobile air conditioning system-passenger compartment coupling model based on the automobile air conditioning system-passenger compartment coupling model; S3, establishing an automobile speed predictor based on the neural network, and predicting the future automobile speed by using the historical automobile speed;S4, based on the PMV theory and an adaptation algorithm, establishing adapters for different individual thermal habits, and obtaining the target comfort temperature Tcomfort according to the adapters; and S5, in combination with automobile speed prediction and thermal comfort adaptation, establishing a complete intelligent controller for the automobile air conditioning system. The electric automobile air conditioning system intelligent control method is based on model predictive control, is suitable for a multiple-input-multiple-output controller system, and meanwhile, the controller is efficient, energy-saving, more intelligent and suitable for an air conditioner control system for intelligent and personalized driving in the future.

Description

Technical field [0001] The invention belongs to the technical field of vehicle thermal management, and relates to an electric vehicle air conditioning system intelligent control method based on an improved intelligent model predictive control. Background technique [0002] As the world energy crisis and environmental pollution problems become increasingly severe, people have put forward higher requirements for the energy-saving and emission-reduction performance of automobiles. Nowadays, the automobile industry is developing towards electrification and intelligence. The development of these new technologies is conducive to promoting automobile energy saving and emission reduction. However, the development of electric vehicles and smart cars has also faced many urgent problems to be solved. We know that the energy consumption of the automotive heating, ventilation and air conditioning system (HAVC) accounts for a considerable part of the total energy consumption of vehicles. For e...

AI Technical Summary

Problems solved by technology

[0005] At present, the control method of automobile air conditioning system that integrates model predictive control, vehicle speed prediction and human comfort adaptation has not yet appeared.

Images