发动机冷却液温度模糊控制系统的研究
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摘要
提出了发动机冷却液温度的模糊控制方法,将冷却液温度进行模糊化,根据实验建立了相应的模糊控制规则库;应用MATLAB软件的模糊逻辑工具,计算分析得到了控制查询表,建立了以Motorola单片机MC68HC908LJ12为核心的硬件系统,并对软件进行了设计。试验表明,该方法只需对现有的发动机冷却系统进行较少的改进,便可较好地解决发动机的冷却液温度难于准确控制的问题。
A fuzzy method for controlling the engine coolant temperature is prposed.The fuzzy rule base is correspondingly established based on the experimental data.The control query table is created through computing and analyzing via the fuzzy logic tools in MATLAB.The hardware system,centering on MC68HC908LJ12,is conducted.The software is designed as well.The test indicates that only a little improvement of the current engine cooling system can better solve the problem that it is difficult to accurately control the engine coolant temperature.
A fuzzy method for controlling the engine coolant temperature is prposed.The fuzzy rule base is correspondingly established based on the experimental data.The control query table is created through computing and analyzing via the fuzzy logic tools in MATLAB.The hardware system,centering on MC68HC908LJ12,is conducted.The software is designed as well.The test indicates that only a little improvement of the current engine cooling system can better solve the problem that it is difficult to accurately control the engine coolant temperature.
引文
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[2]CHALGREN R D,PARKER G G,ONER A,et al.A controlled EGR cooling system for heavy-duty diesel applications using the vehicle engine cooling system simulation[C/OL].[2002-03-04].http://www.sae.org/techni-cal/papers/2002-01-0076.
[3]MATTEO L D I.New and advanced cooling system concept for small cars[C]//Vehicle Thermal Management Systems,VTMS6.Edmunds,Suffolk:Professional Engineering Pub Ltd,2003:685-694.
[4]CORLONA E,ONDER C H,GUZZLLA L.Engine thermomanagement with electrical components for fuel consumption reduction[J].International Journal of Engine Research,2002,3(3):157-170.
[5]杨学云,杨洪.冷却水温度对发动机的影响.农机化研究[J].2004,4:236-236.YANG Xue-yun,YANG Hong.Effect of cooling water temperature on engine[J].Journal of Agricultural Mechanization Research,2004,4:236-236.
[6]PRADEEP S.An advanced engine thermal management system:nonlinear control and test[J].IEEE/ASME Transactions on Mechatronics,2005,10(2):210-220.
[7]PANG H H,BRANCE C J,AKEHURST S.Potential of a controllable engine cooling system to reduce NOx emissions in diesel engines[C/OL].[2004-03-08].http://www.sae.org/technical/papers/2004-01-0054.
[8]王宏志,张冬梅,盛进路.船舶柴油机冷却水温度控制系统的设计[J].青岛远洋船员学院学报,2006,27(4):17-19.WANG Hong-zhi,ZHANG Dong-mei,SHENG Jin-lu.The microcontroller-based main engine cooling water temperature control system[J].Journal of Qingdao Ocean Shipping Mariners College,2006,27(4):17-19.
[9]Roger,Clement Electric.Fan Assembly for Over-the-Road Trucks[P].US4875521,1989-10-24.
[10]PERSET D,JOUANNET B.Simulation of a cooling loop for a variable speed fan system[C/OL].[1999-03-01].http://www.sae.org/technical/papers/1999-01-0576.
[11]CORTONA E,ONDER C H.Engine thermal management with electric cooling pump[C/OL].[2000-03-06].http://www.sae.org/technical/papers/2000-01-0965.
[12]CHO H,JUNG D,FILIPI Z S,et al.Application of controllable electric coolant pump for fuel economy and cooling performance improvement[C/OL].[2004-05-27].http://store.asme.org.
[13]权龙,李风兰.电液比例技术控制发动机冷却风扇的原理及特征[J].汽车技术,1995,7:10-13.QUAN Long,LI Fen-lan.Principle and characteristics of engine cooling fan control with proportioning technology of electricity and hydraulics[J].Automobile Technology,1995,7:10-13.
[14]苏忆.汽车发动机冷却系统智能控制的研究[D].南京理工大学,2007,11:39-57.SU Yi.Research on intelligent controlling technology of vehicle engine cooling system[D].Nanjing:Nanjing University of Science&Technology,2007.
[15]徐继涛.发动机冷却智能控制系统的研究[D].大连:大连理工大学,2007.XU Ji-tao.Research of intelligent controlling system of engine cooling system[D].Dalian:Dalian University of Technology,2007.
[16]卢广峰,郭新民,孙运柱,等.汽车发动机冷却系统的发展与现状[J].农机化研究,2002,2:129-131.LU Guang-feng,GUO Xin-min,SUN Yun-zhu,et al.Actuality and development of automotive engine-cooling system[J].Journal of Agricultural Mechanization Research,2002,2:129-131.
[17]张金柱.现代发动机冷却系统的发展趋势[J].内燃机,2005,(4):7-9.ZHANG Jin-zhu.Development trend of modern engines cooling system[J].Internal Combustion Engines,2005,(4):7-9.
[18]刘曙光,魏俊民,竺志超,等.模糊控制技术[M].北京:中国纺织出版社,2001:28-84.LIU Shu-guang,WEI Jun-min,ZHU Zhi-chao,et al.Fuzzy control technology[M].Beijing:China Textile&Apparel Press,2001:28-84.
[19]涂承宇,涂承嫒,杨晓莱,等.模糊控制理论与实践[M].北京:地震出版社,1998:6-30.TU Cheng-yu,TU Cheng-yuan,Yang Xiao-lai,et al.Fuzzy control theory and practice[M].Beijing:Seismological Press,1998:6-30.
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