基于稳态模型的CA6GV发动机参数标定优化.doc

目 次基于稳态模型的CA6GV发动机参数标定优化（摘要链接）1行人保护小腿冲击器有限元模型开发（摘要链接）2钢板弹簧三连杆模型参数辨识研究（摘要链接）3车用柴油机冷EGR+降低PM技术排放试验研究（摘要链接）4柴油轿车模态排放特性研究（摘要链接）54D20轿车柴油机曲轴系统动力学分析（摘要链接）6轮胎动态摩擦特性对汽车ABS控制系统的影响（摘要链接）7某轻型载货汽车制动性能分析与改进设计（摘要链接）8电动轿车独立转向轮悬架设计（摘要链接）9动力总成引起的轿车车内异常噪声试验研究（摘要链接）10基于SAE J1939协议的客车ECU参数测试系统（摘要链接）11基于旋压工艺加工汽车三元催化器壳体（摘要链接）12异径管冲压工艺试验研究（摘要链接）13基于稳态模型的CA6GV发动机参数标定优化赵弘志1，2 李 骏2 于秀敏1 闫朝亮2(1.吉林大学；2.中国第一汽车集团公司技术中心）【摘要】概述了基于稳态模型的发动机标定优化方法。针对采用可变进排气凸轮相位技术的CA6GV发动机，系统地介绍了如何通过调查试验、试验设计、数据采集、统计建模和标定优化等阶段来完成该机性能模型建立和优化过程。结果表明，采用该技术可在很短的时间内优化系统控制参数，使发动机性能达到较高的水平。主题词：发动机 稳态模型 参数标定Steady-State Engine Parameter Calibration Optimization of CA6GVZhao Hongzhi1,2, Li Jun2, YuXiumin1, Yan Chaoliang2（1. Jilin University; 2.China FAW Group Corporation R&D Center）【Abstract】Steady-state engine calibration optimization method is introduced in the paper. It is introduced in the paper systematically the process of engine performance model establishment and optimization in the stages of survey & test, test design, data acquisition, statistic modeling and calibration optimization, etc., for CA6GV engine with variable intake/exhaust camshaft timing. The results show that the system control parameter optimization can be completed in a very short time with this technique, which helps to improve engine performance to a fairly high level.Key words：Engine, Steady-state model, Parameter calibration行人保护小腿冲击器有限元模型开发胡远志 方 锐 谢书港 曾必强 朱玉刚（中国汽车技术研究中心）【摘要】针对TRL公司开发的行人保护小腿冲击器，建立了有限元模型。通过EEVC WG17规定的静态、动态标定试验及台架试验，进一步证实了该模型在高速碰撞下的精度，可用于行人保护的开发设计。主题词：行人保护 小腿冲击器 有限元模型Development of Lower Legform Impactor FE ModelHu Yuanzhi, Fang Rui, Xie Shugang, Zeng Biqiang, Zhu Yugang(China Automobile Technology and Research Center)【Abstract】A FE model was developed based on the TRL lower legform impactor. With static and dynamic calibration test and rig test specified in EEVC WG17 criteria, accuracy of this model in high-speed collision is validated, this FE model can be used in the development of pedestrian safety technologies.Key words：Pedestrian protection, Lower legform impactor, Finite element model钢板弹簧三连杆模型参数辨识研究景立新 郭孔辉 卢 荡（吉林大学 汽车动态模拟国家重点实验室）【摘要】钢板弹簧三连杆模型结构能够准确描述悬架垂直刚度特性，适用于计算路面载荷及平顺性分析。应用有限元软件计算钢板弹簧悬架刚度特性及导向特性，以此为基础通过集成优化方法及逆向求解方法辨识三连杆模型参数，并通过纵向力工况验证了模型的正确性。主题词：钢板弹簧 有限元 动力学模型 三连杆模型Study on Parameters Identification of 3-link Leaf Spring ModelJing Lixin, Guo Konghui, Lu Dang（State Key Laboratory of Automotive Dynamic Simulation, Jilin University）【Abstract】3-link leaf spring model can be used to describe accurately suspension vertical stiffness characteristics, suitable for calculating road load and ride comfort analysis. FE software is applied to calculate leaf spring suspension stiffness characteristic and guiding properties, and based on this integrated optimization method and reverse solution method are used to recognize 3-link leaf spring model parameters, this model is verified with longitudinal force mode.Key words：Leaf spring， FE， Dynamics model， 3-link leaf spring model车用柴油机冷EGR+降低PM技术排放试验研究黄德军 朱红国 蒋习军（中国汽车工程研究院）【摘要】以一台柴油机为样机，研究了裸机、冷EGR及冷EGR+DOC+POC 3种配置状态的排放特性和POC入口处的排气温度变化情况。结果表明，与裸机相比，冷EGR状态下ESC、ETC循环NOx排放量分别降低了25%和26%，HC及CO增加了50%左右，PM分别增加了24%与16%；与冷EGR状态相比，冷EGR+DOC+POC状态下NOx排放量没有明显变化，PM、CO及HC，在ESC循环分别降低了56%、80%及91%，在ETC循环分别降低了50%、70%及86%。主题词：柴油机 EGR 排放 试验Experimental Study on EGR and Reduction of PM Emission Technique for Automotive Diesel EngineHuang Dejun, Zhu Hongguo, Jiang Xijun（China Automotive Engineering Research Institute）【Abstract】In this paper, emission performance and change of emission temperature at POC inlet are studied res-pectively for a diesel engine with the following three configurations, with cold EGR, with EGR, DOC and POC as well as without the above configurations. The results show that compared with the engine without the above configuration, NOx emission of the engine with cold EGR is reduced by 25% and 26% respectively, HC and CO emission up by approx. 50%, PM emission up by 24% and 16% respectively at ESC and ETC cycle；compared with engine with cold EGR, NOx emission for the engine with EGR, DOC and POC has no obvious change, emission of PM, CO and HC is reduced by 56%, 80% and 91% respectively in ESC cycle, whereas they are reduced by 50%, 70% and 86% respectively in ETC cycle.Key words：Diesel engine, EGR, Emission, Test柴油轿车模态排放特性研究李文书 胡志远 谭丕强 楼狄明（同济大学）【摘要】对装载柴油机的轿车模态排放特性进行了试验研究，分析了柴油轿车NEDC循环HC、CO、NOx和CO2的模态排放特性。结果表明，在NEDC循环中，ECE城区行驶循环第1个循环的HC和CO排放量较高，分别占NEDC循环HC和CO总排放量的60%和89%；EUDC循环排放的NOx和CO2排放量较高，分别占NEDC循环NOx和CO2总排放量的52%和47.7%。主题词：轿车 柴油机 模态试验 排放Research on Modal Emission Property of Diesel CarLi Wenshu, Hu Zhiyuan, Tan Piqiang, Lou Diming（Tongji University）【Abstract】A research on modal emission property of a diesel car was made, and the modal emission property of HC, CO, NOx and CO2 from the diesel car in NEDC cycle was analyzed. The results show that HC emissions mass and CO mass in the first ECE urban drive cycle are a little higher than the other cycles, which account for 60% and 89% respectively in the total emission mass in NEDC cycle. The percentage of NOx mass and CO2 mass of EUDC cycle are higher than other cycles, which account for 52% and 47.7% in the total emission mass of NEDC cycle respectively.Key words：Car, Diesel engine, Modal test, Emission4D20轿车柴油机曲轴系统动力学分析李晓峰1 袁兆成1 赵福全2 吴成明2（1. 吉林大学 汽车动吉林大学态模拟国家重点实验室；2.吉利汽车研究院）【摘要】建立了某2.0L高速直喷轿车柴油机曲轴系统动力学模型，并利用该模型进行了曲轴系统扭转振动分析、弯曲振动分析和疲劳强度分析。结果表明，该曲轴轴系的扭转振动、弯曲振动都达到了设计要求并且无扭转共振发生，其额定转速下前端单一阶次的最大扭转振动角小于0.2，最小高频疲劳安全系数为1.324，柴油机动力学性能良好，满足工作要求。主题词：柴油机 曲轴 动力学分析Dynamic Analysis of 4D20 Passenger Car Diesel EngineCrankshaft SystemLi Xiaofeng1, Yuan Zhaocheng1, Zhao Fuquan2, Wu Chengming2（1. State Key Laboratory of Automobile Dynamic Simulation, Jilin University;2. GEELY Automobile Research Institute）【Abstract】A crankshaft system dynamic model for a 2.0L high speed direct injection car diesel engine was established, which was used for crankshaft torsional vibration analysis, bending vibration analysis and fatigue strength analysis. The results indicated that torsional vibration and bending vibration of this crankshaft assembly complied with design requirement and no torsional resonance occurred, the maximum torsional vibration angle is lower than 0.2, and the minimum high-frequency fatigue safety coefficient is 1.324 at the front-end single order at rated speed, this diesel engine has good dynamic property and complied with operating requirement.Key words：Diesel Engine, Crankshaft, Dynamic analysis轮胎动态摩擦特性对汽车ABS控制系统的影响张向文1 王飞跃2（1. 桂林电子科技大学；2.中国科学院复杂系统与智能科学重点实验室）【摘要】基于轮胎的魔术公式模型，研究了轮胎在路面的最佳滑移率和最大摩擦系数随汽车速度的动态变化过程。利用李亚普诺夫稳定性理论，设计了汽车ABS控制系统滑模控制器，基于轮胎的Burckhardt模型，分别在考虑轮胎动态摩擦特性和不考虑轮胎动态摩擦特性时，对汽车ABS控制系统进行了仿真和比较研究。研究结果表明，轮胎动态摩擦特性对汽车ABS的最佳滑移率和轮胎摩擦系数具有一定影响，但是对汽车ABS的制动性能影响很小，因此进行汽车ABS控制系统设计时，可以不考虑轮胎动态摩擦特性的影响。主题词：轮胎模型 动态摩擦特性 ABS 滑模控制器Influence of the Tire Dynamic Friction Property on the Vehicle ABS Control SystemZhang Xiangwen1, Wang Feiyue2（1. Guilin University of Electronic Technology; 2.Key Laboratory of Complex Systems and Intelligence Science, Chinese Academy of Sciences）【Abstract】Based on the tire magic formula model, the dynamic variation process of the tire optimal slip ratio and the maximum friction coefficient on the road with the vehicle velocity is researched. According to Lyapunov stability theory, the sliding mode controller of the vehicle ABS is designed; based on the tire Burckhardt model, in considering the tire dynamic friction property and not considering the tire dynamic friction property, the vehicle ABS model is simulated, and the results indicate that the tire dynamic friction property has some influence on the optimal slip ratio and the tire friction coefficient, but it has little effect in the braking performance of the vehicle ABS, so it is not necessary to consider the tire dynamic friction property in designing the vehicle ABS control system.Key words：Tire model, Dynamic friction property, ABS, Sliding mode controller某轻型载货汽车制动性能分析与改进设计霍志毅 徐 平 何晓鹏（邢台职业技术学院）【摘要】将某轻型载货汽车制动系统中前制动器改为盘式制动器，对采用不同配置制动系统的整车进行路试制动性能试验，结果表明制动性能得到很大改善。在该制动系统中加装制动力自动调节装置来调整前、后轮制动器的输入压力，并对改进设计后的整车制动性能进行实车道路试验。结果表明，该轻型货车制动力分配更加合理，制动性能明显提高，制动稳定性和安全性得到改善。主题词：轻型货车 制动性能 调节装置Braking Performance Analysis and Design Improvement for a Light-duty TruckHuo Zhiyi, Xu Ping, He Xiaopeng（Xingtai Polytechnic College）【Abstract】Disc brake was applied in the front brake for a light duty truck and road braking performance test was carried out for the vehicle equipped with different brake system, the results indicated that braking performance was improved considerably. In such braking system, an automatic force regulator is used to adjust automatically the input pressure of the front and rear wheel brake, and road test was carried out to verify the braking performance of the redesigned braking system. The result of road test showed that braking force distribution of this truck was more rational, braking performance was enhanced obviously and braking stability and safety were improved.Key words：Light duty truck, Braking performance, Adjustor电动轿车独立转向轮悬架设计邓志君 董铸荣 马德粮（深圳职业技术学院）【摘要】设计了一种四轮独立转向、独立驱动的电动轿车独立悬架，该悬架采用双横臂、扭杆弹簧结构。将导向机构简化为几何模型，根据该几何模型在ADAMS软件中建立参数化模型，以车轮定位参数及汽车侧倾中心为评价目标，对悬架导向机构进行了优化设计，制造出的样机符合设计要求。提出了悬架扭杆弹簧的设计方法，并验证了其合理性。主题词：电动轿车 独立转向轮 双横臂悬架 扭杆弹簧Suspension Design of the Independent Steering Wheel for Electric CarDeng Zhijun, Dong Zhurong, Ma Deliang（Shenzhen Polytechnic College）【Abstract】An independent suspension for a four-wheel independent steering and independent driving electric car was designed. The suspension uses double wishbone and torsion bar structure. Geometric model of the suspension guiding mechanism was built. And based on this model, the parameterized model was established under ADAMS software. Optimization design was made to the suspension guiding mechanism with wheel aligning parameter and vehicle roll center as evaluation objective. The prototype meets the design requirements. The design method of the torsion bar spring was presented, and the reasonableness of this method is verified.Key words：Electric car， Independent steering wheel， Double wishbone suspension， Torsion bar动力总成引起的轿车车内异常噪声试验研究李元宝 郑伟娟 李守魁（中国第一汽车集团公司技术中心）【摘要】针对某轿车车内异常噪声现象，在整车半消声室，通过对振动噪声的主观评价，并结合振动测量及发动机转速跟踪测量试验进行了振源识别，找出了引起车内异常噪声的原因，采取改进发动机悬置结构的方法消除了车内异常噪声，提高了该轿车的振动噪声品质。主题词：轿车车内异常噪声 振源 识别Research on Abnormal Interior Noise of a Car Caused by Power TrainLi Yuanbao, Zheng Weijuan, Li Shoukui（China FAW Group Corporation R&D Center）【Abstract】To eliminate abnormal interior noise of a car, a subjective evaluation, vibration measurement and engine speed tracking measurement test were made to the complete vehicle half anechoic room for source of vibration identification. The causes of abnormal noise of the car were found. By improving engine mount structure, abnormal interior noise was eliminated and interior sound quality was improved.Key words：Car abnormal interior noise, Vibration source, Identification基于SAE J1939协议的客车ECU参数测试系统谢东坡 张仪栋 周 亮 颜永福 徐建勋（重庆车辆检测研究院 国家客车质量监督检验中心）【摘要】介绍了一种基于J1939协议的客车ECU参数测试系统的总体设计方案，系统包含3个测试模块和1个主控模块。阐述了该测试系统的硬件组成和软件设计，并进行了测试试验。试验结果表明，该测试系统具有如下特点:能够实时读取并处理ECU报文信息；具有良好的可扩展性；方便整车调试；可获取ECU故障信息，为客车故障诊断提供依据。主题词：客车 CAN总线 ECU 参数测试Bus ECU Parameter Test System Based on SAE J1939 ProtocolXie Dongpo, Zhang Yidong, Zhou Liang, Yan Yongfu, Xu Jianxun（Chongqing Vehicle Test & Research Institute; National Bus Quality Supervision & Test Center/National Motorcycle Quality Test Center）【Abstract】An integrated design plan for bus ECU parameter test system based on J1939 protocol was introduced in the paper. The test system consists of three test modules and one main control module. Hardware configuration and software design of this test system are introduced, and test was made, the results indicated that this test system has the following features: can real-time read and process ECU message; has good expandability; easy for on-board commissioning; can access to ECU fault data, and provide basis for trouble-shooting of bus.Key words：Bus, CAN Bus, ECU, Parameter test基于旋压工艺加工汽车三元催化器壳体王立新 罗春辉 杨柏楠（长春汽车工业高等专科学校）【摘要】介绍了旋压加工工艺特点，通过改变旋压轮的数量、进给量、进给速度及加工角度，得出了加工汽车三元催化器壳体的最优旋压加工方法。与两半冲压焊接形式的汽车三元催化器壳体加工方法相比，在冷加工状态下采用双轮旋压加工方法可一体成型三元催化器壳体，提高了材料利用率，缩短了加工时间,产品质量减轻约10%，加工能耗约降低25%。主题词：三元催化器壳体成型旋压工艺Machining of Automotive Three-way Catalytic Converter Case Based on Spinning TechnologyWang Lixin, Luo Chunhui, Yang Bainan（Changchun Automotive Industry Institute）【Abstract】In this essay, spinning technology is discussed and the optimal spinning method of using