摘要：【中文】本发明提供了一种多因素耦合分析对车内气味进行溯源的方法，该方法通过零部件总成贡献率分析、物质匹配度分析、TVOC含量分析、气味类型匹配度分析，并对每组分析由大到小进行排序，将每组分析中的前五种或五种以上的零部件总成中重复的零件总成作为高危总成。本发明所述的通过从贡献率分析，物质匹配度分析，TVOC含量分析、气味类型匹配度4个维度进行分析，提出了多因素耦合分析对车内气味进行溯源的方法，可以更加高效、准确的锁定需要整改的气味物质，跟便捷的实现车内气味溯源，为车内空气质量的溯源，改善提升提供了一种可参考的技术路线。 【EN】The invention provides a method for tracing the source of smell in a vehicle through multi-factor coupling analysis, which sorts each group of analysis from large to small through component assembly contribution rate analysis, substance matching degree analysis, TVOC content analysis and smell type matching degree analysis, and takes repeated component assemblies in the first five or more component assemblies in each group of analysis as high-risk assemblies. The method for tracing the smell in the vehicle through the multi-factor coupling analysis is provided by analyzing 4 dimensions of contribution rate analysis, material matching degree analysis, TVOC content analysis and smell type matching degree, so that the smell material needing to be rectified can be more efficiently and accurately locked, the smell tracing in the vehicle can be conveniently realized, and a referable technical route is provided for tracing the quality of the air in the vehicle and improving the quality of the air in the vehicle.

摘要：【中文】本发明提供了一种车内气味物质整改因子的计算方法，S1：采样分析车内的气味物质，检测气味物质的浓度及评定气味强度；S2：计算整车中第i种气味物质的整改顺序Ki：S3：根据气味物质的浓度和气味强度，绘制得到每种气味物质对应的气味物质相图，通过计算气味强度整改曲线的斜率得到每种气味物质的整改效率Ei；S4：计算气味物质的综合整改因子Fi；S5：对步骤S4计算得到的综合整改因子进行排序，得到需整改的关键气味物质清单。本发明所述的从物质出发，全面降低关键气味物质含量，最终降低整改成本，提升整改效率。为车内空气质量的改善提升提供了一种可参考的技术路线。 【EN】The invention provides a method for calculating an in-vehicle odor substance modification factor, which comprises the following steps of S1: sampling and analyzing odor substances in the vehicle, detecting the concentration of the odor substances and evaluating the odor intensity; s2: calculating the modification sequence Ki of the ith odor substance in the finished vehicle: s3: according to the concentration and the odor intensity of the odor substance, a odor substance phase diagram corresponding to each odor substance is obtained through drawing, and the rectification efficiency Ei of each odor substance is obtained through calculating the slope of an odor intensity rectification curve; s4: calculating a comprehensive modification factor Fi of the odor substance; s5: and sequencing the comprehensive rectification factors obtained by calculation in the step S4 to obtain a list of key odor substances needing rectification. The invention starts from materials, comprehensively reduces the content of key odor substances, finally reduces the reforming cost and improves the reforming efficiency. A referable technical route is provided for improving the quality of air in the vehicle.

摘要：【中文】本发明提供了一种汽车驱动桥振动仿真分析方法，包括如下内容：1)通过传动分析软件建立汽车驱动桥的主减速器传动模型；2)提取主减速器轴承中心点的定位尺寸信息；3)通过有限元软件建立驱动桥壳体的壳体有限元模型；4)生成轴承中心点的质量和刚度矩阵；5)将轴承中心点的质量和刚度矩阵导入传动分析软件；6)输出不同工况下的轴承中心点的动态位移信息；7)计算轴承载荷下的壳体振动响应；8)将得到的壳体振动响应与设计值进行比较。本发明使用有限元软件与专业的传动分析软件相结合，减少试验量缩短试验周期，使用仿真模型对驱动桥进行优化改进，在正式改进实施之前查看改进效果，节省企业生产成本。 【EN】The invention provides a method for simulating and analyzing vibration of an automobile drive axle, which comprises the following steps: 1) establishing a main reducer transmission model of an automobile drive axle through transmission analysis software; 2) extracting the positioning size information of the bearing central point of the main reducer; 3) establishing a shell finite element model of the drive axle shell through finite element software; 4) generating a mass and rigidity matrix of a bearing central point; 5) importing the mass and rigidity matrix of the bearing center point into transmission analysis software; 6) outputting dynamic displacement information of the bearing center point under different working conditions; 7) calculating the vibration response of the shell under the load of the bearing; 8) the obtained case vibration response was compared with the design value. The invention combines finite element software with professional transmission analysis software, reduces the test amount, shortens the test period, optimizes and improves the drive axle by using the simulation model, checks the improvement effect before formal improvement and implementation and saves the production cost of enterprises.

摘要：【中文】本发明提供了一种电动汽车无线充电系统互操作条件下辐射发射测试方法，包括对地面发射端和车辆接收端分别进行测试，在进行地面发射端测试时，配备车载模拟通信控制单元与地面发射端的地面通信控制单元建立通信连接，并通过参考接收线圈与地面发射线圈建立能量传输链路；在进行车辆接收端测试时，配备地面模拟通信控制单元与车载控制单元建立通信连接，并通过参考发射线圈与车端接收线圈建立能量传输链路。本发明能够在互操作满足的前提下分别对地面端和车辆端设备进行电磁兼容测试。对于推动无线充电系统的广泛应用，促进新能源汽车的发展，具有重要意义。 【EN】The invention provides a radiation emission testing method under the interoperation condition of an electric vehicle wireless charging system, which comprises the steps of respectively testing a ground transmitting terminal and a vehicle receiving terminal, and when the ground transmitting terminal is tested, arranging a vehicle-mounted analog communication control unit to establish communication connection with a ground communication control unit of the ground transmitting terminal, and establishing an energy transmission link with a ground transmitting coil through a reference receiving coil; when a vehicle receiving end is tested, a ground simulation communication control unit is equipped to establish communication connection with a vehicle-mounted control unit, and an energy transmission link is established with a vehicle receiving end coil through a reference transmitting coil. The invention can respectively carry out the electromagnetic compatibility test on the ground end equipment and the vehicle end equipment on the premise of meeting the interoperation. The method has important significance for promoting the wide application of the wireless charging system and promoting the development of new energy automobiles.

摘要：【中文】本发明公开了一种用于纯电动车汽车整车能耗测试的智能无人测试平台，其特征在于，包括：基站；GPS导航系统；转向系统，其电连接车辆的转向盘；制动油门系统，其电连接车辆的制动踏板和油门；控制器，其分别电连接转向系统、制动油门系统、GPS导航系统和所述基站，用于监测并控制车辆的状态参数；远程控制台，其与控制器电连接，用于接收控制器发送的车辆状态参数并向控制器发送控制指令。本发明公开了一种用于纯电动车汽车整车能耗测试的智能无人测试方法，包括：进行纯电动车整车能耗测试，记录在测试过程中车辆释放的电流及电压，进而绘制瞬时电功率与时间关系曲线，得到纯电动车在测试过程中释放的电量后，计算单位里程能量消耗率。 【EN】The invention discloses an intelligent unmanned test platform for testing the whole energy consumption of a pure electric vehicle, which is characterized by comprising the following components: a base station; a GPS navigation system; a steering system electrically connected to a steering wheel of the vehicle; a brake-throttle system electrically connecting a brake pedal and a throttle of a vehicle; the controller is respectively and electrically connected with the steering system, the brake throttle system, the GPS navigation system and the base station and is used for monitoring and controlling the state parameters of the vehicle; and the remote control console is electrically connected with the controller and is used for receiving the vehicle state parameters sent by the controller and sending control instructions to the controller. The invention discloses an intelligent unmanned test method for testing the whole vehicle energy consumption of a pure electric vehicle, which comprises the following steps: and carrying out the whole energy consumption test of the pure electric vehicle, recording the current and the voltage released by the vehicle in the test process, further drawing a relation curve of instantaneous electric power and time, and calculating the energy consumption rate of the unit mileage after obtaining the electric quantity released by the pure electric vehicle in the test process.

摘要：【中文】本发明提出一种三元锂离子电池单体充电策略评价方法，基于恒流恒压充电法、阶梯充电法、脉冲充电法、间歇充电法(变电流充电&变电压充电)、线性充电法、带负脉冲充电法等多种充电策略的基础研究，对实验结果采用主成分分析法(Principal Component Analysis,PCA)进行降维统计分析，最终确定充电容量、充电时间、充电温升、能量效率四个指标作为充电策略关键影响指标的主成分。与此同时，采用归纳式学习中连续型数据的区间划分——类‑属性间的相关度极大值法进一步确定了四个指标的区间划分方法及评分细则，结果可以雷达图的形式清晰呈现，最后通过对全部指标加权平均得到该充电策略的最终评分结果。 【EN】The invention provides a ternary lithium ion battery monomer charging strategy evaluation method, which is based on the basic research of various charging strategies such as a constant-current constant-voltage charging method, a step charging method, a pulse charging method, an intermittent charging method (variable-current charging and variable-voltage charging), a linear charging method, a charging method with negative pulses and the like, and adopts a Principal Component Analysis (PCA) method to perform dimension reduction statistical Analysis on an experimental result, so that four indexes of charging capacity, charging time, charging temperature rise and energy efficiency are finally determined as Principal components of key influence indexes of the charging strategy. Meanwhile, the interval division method and the grading detailed rule of the four indexes are further determined by adopting the interval division of continuous data in inductive learning, namely a correlation degree maximum value method between class and attributes, the result can be clearly presented in a radar chart form, and finally the final grading result of the charging strategy is obtained by carrying out weighted average on all indexes.

摘要：【中文】本发明提供了一种用于直列5缸内燃机节油的停缸方法,如果是点火顺序为第1缸‑第2缸‑第4缸‑第5缸‑第3缸的直列5缸内燃机，第1缸邻风扇，第5缸邻飞轮，则对第2缸及第5缸关闭停缸；如果是点火顺序为第1缸‑第5缸‑第2缸‑第4缸‑第3缸的直列5缸内燃机，第1缸邻风扇，第5缸邻飞轮，则对第3缸及第5缸关闭停缸。本发明所述的一种用于直列5缸内燃机节油的停缸方法，具有明显的节油效果，在振动、输出扭矩波动及各缸之间温度差别三方面具有优良的性能表现，可以降低振动、输出扭矩波动，避免各缸之间温度差别产生气缸偏磨的问题。 【EN】The invention provides a fuel-saving cylinder deactivation method for an in-line 5-cylinder internal combustion engine, which comprises the steps of closing cylinder deactivation for a 2 nd cylinder and a 5 th cylinder if the in-line 5-cylinder internal combustion engine has the ignition sequence of the 1 st cylinder, the 2 nd cylinder, the 4 th cylinder, the 5 th cylinder and the 3 rd cylinder, wherein the 1 st cylinder is adjacent to a fan, and the 5 th cylinder is adjacent to a flywheel; if the ignition sequence is the in-line 5-cylinder internal combustion engine with the 1 st cylinder, the 5 th cylinder, the 2 nd cylinder, the 4 th cylinder and the 3 rd cylinder, the 1 st cylinder is adjacent to the fan, and the 5 th cylinder is adjacent to the flywheel, the cylinder deactivation is closed for the 3 rd cylinder and the 5 th cylinder. The cylinder stopping method for saving oil of the in-line 5-cylinder internal combustion engine has obvious oil saving effect, has excellent performance in three aspects of vibration, output torque fluctuation and temperature difference among cylinders, can reduce the vibration and the output torque fluctuation and avoid the problem of cylinder eccentric wear caused by the temperature difference among the cylinders.

摘要：【中文】本发明提供了一种新型踏板疲劳耐久试验装置，包括驱动单元安装台架、摆臂安装台架和踏板安装台架；所述驱动单元安装台架上安装有驱动单元，驱动单元输出端连接摆臂；所述摆臂安装台架上转动连接有下端可向靠近和远离驱动单元一侧摆动的摆臂；所述摆臂通过第一直线滑块导轨垂直连接固定杆，且连接形式为移动副；固定杆连接力传感器；所述力传感器安装在踏板夹具上，踏板夹具可对踏板面进行加持；所述踏板安装台架上靠近踏板夹具一侧安装有用于安装踏板的踏板安装座。本发明所述的新型踏板疲劳耐久试验装置，可以解决运动过程中加载力需时刻保证与踏板面垂直以及高工频对驱动单元性能的要求产生的高成本的问题。 【EN】The invention provides a novel pedal fatigue endurance test device which comprises a driving unit mounting rack, a swing arm mounting rack and a pedal mounting rack, wherein the driving unit mounting rack is arranged on the driving unit mounting rack; the driving unit is arranged on the driving unit mounting rack, and the output end of the driving unit is connected with the swing arm; the swing arm mounting rack is rotatably connected with a swing arm of which the lower end can swing to one side close to or far away from the driving unit; the swing arm is vertically connected with the fixed rod through a first linear sliding block guide rail, and the connection form is a sliding pair; the fixed rod is connected with the force sensor; the force sensor is arranged on the pedal clamp, and the pedal clamp can clamp the pedal surface; and a pedal mounting seat for mounting a pedal is mounted on one side, close to the pedal clamp, of the pedal mounting rack. The novel pedal fatigue endurance test device can solve the problem of high cost caused by the fact that loading force needs to be guaranteed to be perpendicular to a pedal surface at any time in the movement process and the requirement of high power frequency on the performance of a driving unit is met.

摘要：【中文】本发明提供了一种用于模拟燃料电池整车车载氢系统泄露装置,包括氢气瓶；氢气瓶出气口连接减压阀的进气口，减压阀的出气口连接流量计的进气口，流量计的出气口连接流量调节阀的进气口，流量调节阀的出气口连接遥控电磁阀的进气口，遥控电磁阀的出气口连接喷嘴；遥控电磁阀上端设有充电电池，充电电池的输出端连接遥控电磁阀的电源端。本发明一种用于模拟燃料电池整车车载氢系统泄露装置，可以在整车内不同的位置释放氢气，模拟车载氢系统泄露，具有氢气释放流量可控，模拟泄露时间控制精准，以及操作使用便捷的特点。 【EN】The invention provides a device for simulating leakage of a vehicle-mounted hydrogen system of a fuel cell whole vehicle, which comprises a hydrogen cylinder; the gas outlet of the hydrogen cylinder is connected with the gas inlet of the pressure reducing valve, the gas outlet of the pressure reducing valve is connected with the gas inlet of the flow meter, the gas outlet of the flow meter is connected with the gas inlet of the flow regulating valve, the gas outlet of the flow regulating valve is connected with the gas inlet of the remote control electromagnetic valve, and the gas outlet of the remote control electromagnetic valve is connected with the nozzle; the upper end of the remote control electromagnetic valve is provided with a rechargeable battery, and the output end of the rechargeable battery is connected with the power supply end of the remote control electromagnetic valve. The device for simulating the leakage of the fuel cell whole vehicle-mounted hydrogen system can release hydrogen at different positions in the whole vehicle and simulate the leakage of the vehicle-mounted hydrogen system, and has the characteristics of controllable hydrogen release flow, accurate control of simulated leakage time and convenience in operation and use.

摘要：【中文】本发明公开了一种用于抑制预冷器结霜的模拟计算方法，可以实现对预冷器结霜全过程的运算，揭示湿空气近冷壁面结霜现象的本质及影响因素，使得湿空气结霜过程的研究更加完善；通过计算可得，在一定时间范围内，增大管间距，减小管径，降低湿空气进口流速，提高管壁壁温或者降低湿空气进口相对湿度可以有效抑制预冷器极低温管束表面霜层的形成，起到抑霜作用。 【EN】The invention discloses a simulation calculation method for inhibiting the frosting of a precooler, which can realize the operation of the whole frosting process of the precooler and reveal the essence and influencing factors of the frosting phenomenon of a near-cold wall surface of wet air, so that the research of the frosting process of the wet air is more perfect; the calculation can obtain that the tube spacing is increased, the tube diameter is reduced, the flow velocity of the wet air inlet is reduced, the wall temperature of the tube wall is increased or the relative humidity of the wet air inlet is reduced in a certain time range, so that the formation of a frost layer on the surface of the ultralow-temperature tube bundle of the precooler can be effectively inhibited, and the frost inhibition effect is achieved.