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Teaching Mode Research of Ideological and Political Course in vehicle engineering Specialty

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教育研究前沿（中英文版） 2020年第2期10卷 99-105页

作者： Yiqun Liu Ping Hu Guanzhe Zhang Na Yang Weihua Li Zhiquan Cui Pengwei Dong Yanyun Chen School of Automotive engineering Harbin Institute of TechnologyWeihai 264209China

Under the situation of actively constructing the education pattern of ideological and political courses in our country,talents with excellent professional quality and excellent ideological and moral quality have become the training goal of current college ***,what way should be adopted to better integrate ideological and political education with professional knowledge education will be the answer that colleges and universities need to constantly *** paper starts from the professional courses of vehicle engineering,combined with the current situation of China's automobile industry,to study practical reform methods,construct the pattern of whole curriculum education.

关键词： Ideological and Political Course vehicle engineering Teaching Mode Education Reform

Exploration of Ideology and Politics Teaching in vehicle engineering Experiment Course

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教育研究前沿（中英文版） 2020年第3期10卷 230-235页

作者： Fangde Gu Guanzhe Zhang Ping Hu Xi Chen Yiqun Liu Jianfeng Wang School of Automotive engineering Harbin Institute of TechnologyWeihai 264209China

Under the background of"Outstanding Engineer Education and Training Program"and ideology and politics teaching in course,it has become a training goal for colleges and universities to cultivate an engineer with both political integrity and ***,it is necessary for colleges and universities to explore and practice how to combine the two skillfully without being abrupt and make students accept *** the point of view of vehicle engineering experiment course and combining with the current situation of university teaching,this paper makes an in-depth exploration and practice on the ideological and political reform on vehicle engineering experiment course.

关键词： vehicle engineering Experiment Course Ideology and Politics Teaching Education Mode

Primary studies on integration optimization of differential steering of electric vehicle with motorized wheels based on quality engineering

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Science China(Technological Sciences) 2011年第11期54卷 3047-3053页

作者： ZHAO WanZhong WANG ChunYan SUN PeiKun LIU Shun Department of Automotive engineering Nanjing University of Aeronautics andAstronautics Nanjing 210016 China State Key Laboratory of Automotive Safety and Energy Tsinghua University Beijing 100086 China

The model of the differential steering system(DSS) of electric vehicle with motorized wheels and the three-degree-of-freedom dynamic model of vehicle are *** on these models,the concepts and quantitative expressions of steering road feel,steering portability and steering stability are *** integrating the Monte Carlo descriptive sampling,elitist non-dominated sorting genetic algorithm(NSGA-II) and Taguchi robust design method,the system parameters are optimized with steering road feel and steering portability as optimization targets,and steering stability and steering portability as *** simulation results show that the system optimized based on quality engineering can improve the steering road feel,guarantee steering stability and steering portability and thus provide a theoretical basis for the design and optimization of the electric vehicle with motorized wheels system.

关键词： vehicle engineering electric vehicle with motorized wheels differential assisted steering quality engineering integration optimization

Integration optimization of novel electric power steering system based on quality engineering theory

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Journal of Central South University 2013年第6期20卷 1519-1526页

作者：赵万忠赵婷李怿骏王春燕张宗强段婷婷 Department of Automotive engineering Nanjing University of Aeronautics and Astronautics Automobile engineering Key Laboratory of Jiangsu Province Jiangsu University State Key Laboratory of Mechanical Transmission(Chongqing University)

The dynamic model of a novel electric power steering （EPS） system integrated with active front steering function （the novel EPS system） is built. The concepts and quantitative expressions of the steering road feel, steering sensibility, and steering operation stability are introduced. Based on quality engineering theory, the optimization algorithm is proposed by integrating the Monte Carlo descriptive sampling, elitist non-dominated sorting genetic algorithm （NSGA-II） and 6-sigma design method. With the steering road feel and the steering portability as optimization targets, the system parameters are optimized by the proposed optimization algorithm. The simulation results show that the system optimized based on quality engineering theory can improve the steering road feel, guarantee steering stability and steering portability and thus provide a theoretical basis for the design and optimization of the novel electric power steering system.

关键词： vehicle engineering electric power steering active front steering road feel genetic algorithm

Mixed H_2/H_∞ road feel control of EPS based on genetic algorithm

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Science China(Technological Sciences) 2012年第1期55卷 72-80页

作者： ZHAO WanZhong WANG ChunYan Department of Automotive engineering Nanjing University of Aeronautics andAstronautics Nanjing 210016 China State Key Laboratory of Automotive Safety and Energy Tsinghua University Beijing 100084 China

In view of the existence of uncertainties such as system model and disturbance signal in the electric power steering （EPS） system, and the demand for system dynamic performance, the mixed H2/H∞, controller based on genetic algorithm is proposed. In order to obtain satisfactory steering feel, robust performance and steering stability, models of EPS system and a two-degree- of-freedom car are set up, then the state space model and the augmented matrixes are built. The H∞, method is introduced to minimize the effect of disturbances on the outputs, and the H2 method is applied to optimizing the system performance based on genetic algorithm. The simulation results show that the modified mixed H2/H∞ controller, which synthesizes the advantage of H2 control and Ha, control, has better robust performance and robust stability. The designed controller can attenuate the noises and disturbances caused by road random motivation, torque sensor measurement and model parameter uncertainty, enabling the driver to obtain satisfactory road feel.

关键词： vehicle engineering electric power steering the mixed H2/H∞ genetic algorithm road feel

Multi-objective optimization of active steering system with force and displacement coupled control

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Journal of Central South University 2012年第4期19卷 974-981页

作者：赵万忠孙培坤刘顺林逸 epartment of vehicle engineering Nanjing University of Aeronautics and Astronautics State Key Laboratory of Mechanical Transmission Chongqing University Department of vehicle engineering Nanjing University of Aeronautics and Astronautics School of Mechanical and Vehicular engineering Beijing Institute of Technology

A novel active steering system with force and displacement coupled control(the novel AFS system) was introduced,which has functions of both the active steering and electric power *** on the model of the novel AFS system and the vehicle three-degree of freedom system,the concept and quantitative formulas of the novel AFS system steering performance were *** steering road feel and steering portability were set as the optimizing targets with the steering stability and steering portability as the constraint *** to the features of constrained optimization of multi-variable function,a multi-variable genetic algorithm for the system parameter optimization was *** simulation results show that based on parametric optimization of the multi-objective genetic algorithm,the novel AFS system can improve the steering road feel,steering portability and steering stability,thus the optimization method can provide a theoretical basis for the design and optimization of the novel AFS system.

关键词： vehicle engineering active steering electric power steering multi-objective genetic algorithm

H∞ control of novel active steering integrated with electric power steering function

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Journal of Central South University 2013年第8期20卷 2151-2157页

作者： ZHAO Wan-zhong LI Yi-jun WANG Chun-yan ZHAO Ting GU Xiao-yue Department of vehicle engineering Nanjing University of Aeronautics and Astronautics Nanjing 210016 China National engineering Laboratory for Electric vehicles (Beijing Institute of Technology) Beijing 100081 China State Key Laboratory of Mechanical Transmission (Chongqing University) Chongqing 400044 China

Based on the traditional active steering system, a novel active steering system integrated with electric power steering function was introduced, which can achieve the functions of both active steering and electric power steering. In view of the interference from road random signal and sensor noise in the novel active steering system, the H∞ control model of the novel active steering system was built. With satisfying steering feel, good robust performance and steering stability being the control objectives, the H∞ controller for the novel active front steering (AFS) system was designed. The simulation results show that the novel AFS system with H∞ control strategy can attenuate the road interference quickly, and there is no resonance peak in the bode diagram. It can make the driver obtain more useful information in the low frequency range, and attenuate the road interference better in the high frequency range, thus the driver can get more satisfying road feeling. Therefore, the designed H∞ controller can synthesize the advantages of both robust performance and robust stability, and has certain contribution to the design of novel AFS system.

关键词： vehicle engineering active steering electric power steering H∞ control

Performance optimization of electric power steering based on multi-objective genetic algorithm

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Journal of Central South University 2013年第1期20卷 98-104页

作者：赵万忠王春燕于蕾艳陈涛 School of Energy and Power engineering Nanjing University of Aeronautics and Astronautics State Key Laboratory of Mechanical Transmission (Chongqing University) College of Mechanical and Electronic engineering China University of Petroleum

The vehicle model of the recirculating ball-type electric power steering (EPS) system for the pure electric bus was built. According to the features of constrained optimization for multi-variable function, a multi-objective genetic algorithm (GA) was designed. Based on the model of system, the quantitative formula of the road feel, sensitivity, and operation stability of the steering were induced. Considering the road feel and sensitivity of steering as optimization objectives, and the operation stability of steering as constraint, the multi-objective GA was proposed and the system parameters were optimized. The simulation results show that the system optimized by multi-objective genetic algorithm has better road feel, steering sensibility and steering stability. The energy of steering road feel after optimization is 1.44 times larger than the one before optimization, and the energy of portability after optimization is 0.4 times larger than the one before optimization. The ground test was conducted in order to verify the feasibility of simulation results, and it is shown that the pure electric bus equipped with the recirculating ball-type EPS system can provide better road feel and better steering portability for the drivers, thus the optimization methods can provide a theoretical basis for the design and optimization of the recirculating ball-type EPS system.

关键词： vehicle engineering electric power steering multi-objective optimization genetic algorithm

Control strategy of a novel electric power steering system integrated with active front steering function

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Science China(Technological Sciences) 2011年第6期54卷 1515-1520页

作者： ZHAO WanZhong LIN Yi WEI JianWei SHI GuoBiao Department of Automotive engineering Nanjing Universi~ of Aeronautics and Astronautics Nanjing 210016 China School of Mechanical and Vehicular engineering Beijing Institute of Technology Beijing 100081 China

A novel electric power steering system(EPS) integrated with active front steering(AFS) is *** has functions of both AFS system and EPS system with two actuator units:the AFS actuator unit and the EPS actuator *** AFS actuator unit controls the displacement transfer behavior of the steering system,and improves the handling stability under adverse road conditions by varying the steering ratio directly related to the speed and road *** EPS actuator unit controls the force transfer behavior of the steering system,and improves the steering portability and road feel of the *** on a dynamic model,the mixed H2/H∞ control strategy of the EPS actuator and the active steering intervention control strategy of the AFS actuator are *** simulation indicates that the novel EPS system with the designed control strategies has obvious advantages in vehicle handling stability and the driver's road feel over the traditional EPS system,and extends the vehicle's steering performance.

关键词： vehicle engineering electric power steering active steering control strategy