发动机电磁驱动配气机构性能试验
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摘要
为验证自行研制的动圈式电磁驱动配气机构(EMVT)柔性化控制气门运动的能力及其运行稳定性,搭建了以数字信号处理器(DSP)为核心控制器的试验平台并进行了相关性能试验。提出了EMVT实际应用于发动机进气系统的控制系统方案,搭建了基于dSPACE系统和CAN总线的半实物仿真试验平台。试验结果表明,该电磁驱动配气机构的气门开启和关闭的最小过渡时间为2.7ms,平均气门落座速度为0.028m/s,满足高速响应和缓落座的要求,且功耗较小;每个气门均可独立控制;可对配气定时、气门开启持续期、气门过渡时间、气门升程等参数实现柔性化调节;在低、中、高转速下都能长时间稳定运行。半实物仿真试验也验证了所提控制系统方案的可行性。
To test the flexible control and operation stability of valve motions by the self-developed moving coil EMVT,a test platform was constructed based on digital signal processor(DSP)as the core controller and the performance tests were carried out.And a control system scheme was proposed for practical applications of EMVT,a hardware-in-the-loop simulation platform was constructed based on dSPACE platform and controller area network(CAN)bus.The test results show that the EMVT may achieve a minimum transition time for value opening and closing is as 2.7ms and the average value seating velocity is as 0.028m/s,which meet the requirements of rapid response and valve soft landing,and the EMVT has the characteristics of low powers,each valve may be controlled individually.The EMVT may realize the flexible adjustment of the valve timing,the valve opening duration,the valve transition time and the valve lift,and may ensure stable operations for a long time at low,middle and high engine speeds.The feasibility of the proposed control system scheme is validated by the hardware-in-the-loop simulation.
To test the flexible control and operation stability of valve motions by the self-developed moving coil EMVT,a test platform was constructed based on digital signal processor(DSP)as the core controller and the performance tests were carried out.And a control system scheme was proposed for practical applications of EMVT,a hardware-in-the-loop simulation platform was constructed based on dSPACE platform and controller area network(CAN)bus.The test results show that the EMVT may achieve a minimum transition time for value opening and closing is as 2.7ms and the average value seating velocity is as 0.028m/s,which meet the requirements of rapid response and valve soft landing,and the EMVT has the characteristics of low powers,each valve may be controlled individually.The EMVT may realize the flexible adjustment of the valve timing,the valve opening duration,the valve transition time and the valve lift,and may ensure stable operations for a long time at low,middle and high engine speeds.The feasibility of the proposed control system scheme is validated by the hardware-in-the-loop simulation.
引文
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[16] FAN Aimin, CHANG Siqin, CHEN Huitao.Backstepping Sliding Mode Control for an ElectroMagnetic Valve Actuator[C]//FISITA 2016World Automotive Congress.Busan,2016:F2016-ESYA-002.
[17] PARLIKART A,CHANG W S,QIU Y H,et al.Design and Experimental Implementation of an Electromagnetic Engine Valve Drive[J].IEEE/ASME Transactions on Mechatronics,2005,10(5):482-494.
[18] PETERSONL S, STEFANOPOULOU A G,FREUDENBERG J.Current Versus Flux in the Control of Electromechanical Valve Actuators[C]//American Control Conference.Portland,2005:5021-5026.
[19] CHEN Huitao,CHANG Siqin,XU Jiangtao,et al.Control of Intake Process in an SI Engine with Electromagnetic Valve Actuator[C]//FISITA2016 World Automotive Congress.Busan,2016:F2016-ESYA-004.
[20] ZHAO J.A Fully Flexible Valve Actuation System for Internal Combustion Engines[D].Okanagan:University of British Columbia,2009.
[2]常思勤,刘梁,李子非,等.一种发动机电磁驱动配气机构应用研究[J].南京理工大学学报,2011,35(5):585-589.CHANG Siqin,LIU Liang,LI Zifei,et al.Application of Engine Electromagnetic Actuated Valvetrain[J].Journal of Nanjing University of Science and Technology,2011,35(5):585-589.
[3] THEOBALDM A,LEYUESNE B,HENRY R.Control of Engine Load via Electromagnetic Valve Actuators[J].SAE Transactions,1994,103(3):1323-1334.
[4] WOLTERSP,SALTIER W,GEIGER J,et al.Controlled Auto Ignition Combustion Process with an Electromechanical Valve Train[J].SAE Transactions,2003,112(3):160-168.
[5] PICRON V,POSTEL Y,NICOT E,et al.Electromagnetic Valve Actuation System:First Steps toward Mass Production[J].SAE Technical Paper,2008-01-1360.
[6]李红艳,赵雨东.发动机无凸轮轴气门驱动的研究与进展[J].车用发动机,2001(2):1-5.LI Hongyan,ZHAO Yudong.A Survey of Camshaftless Valve Actuation for Engines[J].Vehicle Engine,2001(2):1-5.
[7]赵雨东,李红艳,陆际清.电磁气门驱动设计及其电磁铁静吸力特性试验[J].内燃机学报,2002,20(4):339-344.ZHAO Yudong,LI Hongyan,LU Jiqing.Electromagnetic Valve Actuation(EVA)Design and Static Force Characteristic Test of Electromagnets in EVA[J].Transactions of CSICE,2002,20(4):339-344.
[8]严兆大,王希珍,李莉,等.电磁控制全可变气门系统及其仿真[J].内燃机工程,2002,23(4):10-12.YAN Zhaoda,WANG Xizhen,LI Li,et al.Study and Simulation of an Electromagnetic Control Fully Variable Valve Actuation System[J].Chinese Internal Combustion Engine Engineering,2002,23(4):10-12.
[9]李莉,王希珍,严兆大,等.电磁驱动气门机构系统模型[J].内燃机工程,2004,25(4):11-14.LI Li,WANG Xizhen,YAN Zhaoda,et al.Modeling of Solenoid-actuated Valve System[J].Chinese Internal Combustion Engine Engineering,2004,25(4):11-14.
[10] SCHECHTERM M,LEVIN M B.Camless Engine[J].SAE Technical Paper,1996:960581.
[11]王云开,于秀敏,郭英男,等.无凸轮轴电液配气机构性能试验[J].汽车技术,2008(5):45-47.WANG Yunkai,YU Xiumin,GUO Yingnan,et al.Performance Test of an Electro-hydraulic Valve Train with no-Cam Shaft[J].Automobile Technology,2008(5):45-47.
[12]王云开,于秀敏,郭英男,等.柴油机无凸轮轴配气机构[J].吉林大学学报(工学版),2008,38(增刊1):71-74.WANG Yunkai,YU Xiumin,GUO Yingnan,et al.Design of a Camless Valvetrain for Diesel Engine[J].Journal of Jilin University(Engineering and Technology Edition),2008,38(S1):71-74.
[13]徐焕祥,李道飞,叶锦,等.电液驱动气门柴油机性能优化[J].内燃机工程,2013,34(3):15-19.XU Huanxiang,LI Daofei,YE Jin,et al.Performance Optimization of Diesel Engine with Electro-hydraulic Driven Valves[J].Chinese Internal Combustion Engine Engineering,2013,34(3):15-19.
[14]赵振峰,黄英,张付军,等.一种新型电液驱动无凸轮配气机构特性研究[J].内燃机工程,2008,29(6):24-27.ZHAO Zhenfeng,HUANG Ying,ZHANG Fujun,et al.Research on Characteristics of a New Electro-hydraulic Driven Camless Valve Train[J].Chinese Internal Combustion Engine Engineering,2008,29(6):24-27.
[15]刘梁,常思勤.一种动圈式电磁驱动气门的可行性研究[J].中国机械工程,2009,20(19):2283-2287.LIU Liang,CHANG Siqin.On Feasibility of a Moving Coil Electromagnetic Valve Actuator[J].China Mechanical Engineering,2009,20(19):2283-2287.
[16] FAN Aimin, CHANG Siqin, CHEN Huitao.Backstepping Sliding Mode Control for an ElectroMagnetic Valve Actuator[C]//FISITA 2016World Automotive Congress.Busan,2016:F2016-ESYA-002.
[17] PARLIKART A,CHANG W S,QIU Y H,et al.Design and Experimental Implementation of an Electromagnetic Engine Valve Drive[J].IEEE/ASME Transactions on Mechatronics,2005,10(5):482-494.
[18] PETERSONL S, STEFANOPOULOU A G,FREUDENBERG J.Current Versus Flux in the Control of Electromechanical Valve Actuators[C]//American Control Conference.Portland,2005:5021-5026.
[19] CHEN Huitao,CHANG Siqin,XU Jiangtao,et al.Control of Intake Process in an SI Engine with Electromagnetic Valve Actuator[C]//FISITA2016 World Automotive Congress.Busan,2016:F2016-ESYA-004.
[20] ZHAO J.A Fully Flexible Valve Actuation System for Internal Combustion Engines[D].Okanagan:University of British Columbia,2009.