Research On Simulation Design And Integrated Control Strategy Of Thermal Management System For Mine Transport Vehicle

The research on the vehicle thermal management system mainly focuses on meeting the temperature requirements of each component to improve vehicle performance.At present,the transition from fuel powered vehicles to new energy vehicles has become a development trend in China’s mine transport vehicle.The thermal management system of fuel powered vehicles and the thermal management system of new energy vehicles have both common technical characteristics and differences.This article is based on the thermal management of traditional fuel powered vehicles and the thermal management of upgraded new energy vehicles to carry out the following work:This article is based on the characteristics of the vehicle’s driving mode and the temperature requirements of various power components,a thermal management system scheme for the entire vehicle is developed,taking the fuel powered mine transport vehicle as the research object.Calculate parameters based on the heat dissipation requirements of each power component to match the corresponding heat dissipation components.Apply AMESim software to build a simulation model for the engine thermal management system and air conditioning system,and study the temperature issues at the outlet of the engine and radiator under different operating conditions.Conduct actual vehicle test verification for the cockpit air conditioning system,and compare the simulation analysis and experimental verification data results.At the same time propose a fuzzy PID controller suitable for controlling the compressor speed of the air conditioning system,and compare the temperature control effect of the cockpit under different controllers through joint simulation.The verification results indicate that the fuzzy PID controller is selected to control the compressor speed of the cockpit air conditioning system.This article is based on the prototype mine transport vehicle,pure electric upgrading and transformation will be carried out,with the performance of the prototype vehicle as the indicator,and the drive system structure and overall vehicle thermal management system plan will be established.On the basis of meeting the power performance of the prototype vehicle,select and match the power components of pure electric vehicles.Build a vehicle thermal management system model using AMESim software and conduct simulation analysis under different indicators;This article is based on the prototype mine transport vehicle,hybrid upgrading and transformation will be carried out,with the performance of the prototype vehicle as the indicator,and the drive system structure and overall vehicle thermal management system plan will be established.On the basis of meeting the power performance of the prototype vehicle,select and match the power components of the hybrid vehicle.The AMESim software is used to build the thermal management system model of hybrid vehicle,the corresponding integrated control strategy is designed,and the cosimulation is carried out on the AMESim-SIMULINK platform.Through the above research on traditional fuel powered mining personnel transport vehicles and their electrification and hybrid upgrades,the common technologies and development concepts are summarized as follows: using MATLAB/GUIDE platform for software design of vehicle thermal management system related parameters matching significantly improves the efficiency of engineering calculations;Sorted out the development process of modular simulation technology for the vehicle thermal management system,greatly improving the development efficiency of the vehicle thermal management system;The process positioning and design principles,V-shaped technology development process,and standard specifications of the vehicle thermal management system have been summarized,significantly shortening the development cycle of the vehicle thermal management system and improving its reliability.