摘要：【中文】本发明涉及一种电磁阀阀芯与钢球装配装置及其装配工艺。该装置包括基座，基座上设置有固定套、压头、推杆和顶杆，所述固定套位于基座的正上方，并与基座滑动配合，所述压头上方设有动力装置，压头正中央开有压装孔，压装孔一侧开有进球孔，所述推杆包括前段、中间段和后段，所述顶杆位于钢球的正上方，顶杆下端与压装孔滑动配合。本发明的优点在于：解决了阀芯装配过程中钢球过小不便每次安放，实现了阀芯与钢球装配过程中的收口作业，具有装配效率高、占用空间小、操作方便的特点。 【EN】The invention relates to an electromagnetic valve core and steel ball assembling device and an assembling process thereof. The device includes the base, is provided with fixed cover, pressure head, push rod and ejector pin on the base, fixed cover is located directly over the base to with base sliding fit, the pressure head top is equipped with power device, and it has the pressure equipment hole to open at the positive center of pressure head, and pressure equipment hole one side is opened there is the goal hole, the push rod includes anterior segment, interlude and back end, the ejector pin is located the steel ball directly over, ejector pin lower extreme and pressure equipment hole sliding fit. The invention has the advantages that: the problem that the steel ball is inconvenient to place each time due to undersize in the valve core assembling process is solved, the closing-up operation in the valve core and steel ball assembling process is realized, and the valve core and steel ball assembling machine has the characteristics of high assembling efficiency, small occupied space and convenience in operation.

摘要：【中文】本发明公开了一种鲁棒前馈控制器与高频增益补偿器优化方法，包括步骤：建立EPS系统数学模型，得到系统传递特性；建立力矩控制环控制策略，并通过系统数学模型与基本控制策略得到对驾驶员的转向感觉产生显著影响的传递函数；将力矩传感器信号的变化作为EPS系统主要扰动，力矩控制环利用二阶前馈控制器进行扰动补偿，将由主要扰动引起的EPS系统传递特性的变化视为系统的不确定性，建立内部模型控制结构；运用鲁棒控制理论，建立鲁棒前馈控制器的设计目标，并通过求解最优算法得到鲁棒二阶前馈控制器；增加高频增益补偿器改善二阶前馈控制器在高频段的控制效果。本发明不仅可方便鲁棒控制器的参数获取，而且能更为简便地对控制器进行调整。 【EN】The invention discloses a robust feedforward controller and high-frequency gain compensator optimization method, which comprises the following steps: establishing an EPS system mathematical model to obtain system transfer characteristics; establishing a torque control loop control strategy, and obtaining a transfer function which has obvious influence on the steering feeling of a driver through a system mathematical model and a basic control strategy; the method comprises the following steps of taking the change of a torque sensor signal as main disturbance of the EPS system, using a second-order feedforward controller to carry out disturbance compensation on a torque control loop, taking the change of the EPS system transfer characteristic caused by the main disturbance as the uncertainty of the system, and establishing an internal model control structure; establishing a design target of the robust feedforward controller by using a robust control theory, and solving an optimal algorithm to obtain a robust second-order feedforward controller; and a high-frequency gain compensator is added to improve the control effect of the second-order feedforward controller in a high frequency band. The invention not only can conveniently acquire the parameters of the robust controller, but also can more simply and conveniently adjust the controller.

摘要：【中文】本发明公开了一种基于线控制动技术的溜车保护系统及方法，所述系统包括：信号监测模块，用于监测并产生监测信号，所述监测信号包括与溜车相关的车辆状态信息；整车控制器，用于根据信号监测模块采集的车辆状态信息，判断车辆是否处于溜车状态，若处于溜车状态则发出自动驻车制动指令和警报指令；执行机构，用于根据整车控制器发出的自动驻车制动指令和警报指令进行自动驻车制动及报警提示。本发明可根据车辆状况及时做出不动强度的溜车报警提示，以及基于线控制动系统采取自动驻车制动，解决了驾驶员临时停车因手刹失效或者忘记拉手刹时车辆驻车制动的问题，保证了驻车制动的安全性，避免由溜车造成的财产损失与人身安全事故。 【EN】The invention discloses a vehicle sliding protection system and a method based on a brake-by-wire technology, wherein the system comprises: the signal monitoring module is used for monitoring and generating a monitoring signal, and the monitoring signal comprises vehicle state information related to vehicle sliding; the vehicle control unit is used for judging whether the vehicle is in a vehicle sliding state or not according to the vehicle state information acquired by the signal monitoring module, and sending an automatic parking braking instruction and an alarm instruction if the vehicle is in the vehicle sliding state; and the executing mechanism is used for carrying out automatic parking braking and alarming prompting according to an automatic parking braking instruction and an alarming instruction sent by the vehicle controller. The invention can prompt the vehicle sliding alarm with the fixed strength in time according to the vehicle condition, and adopts the automatic parking brake based on the brake-by-wire system, thereby solving the problem that the driver stops the vehicle for a moment and stops the vehicle for parking brake when the hand brake fails or forgets to handle the brake, ensuring the safety of the parking brake, and avoiding property loss and personal safety accidents caused by vehicle sliding.

摘要：【中文】本发明涉及一种汽车机电液复合制动系统电磁阀噪声测试系统，包括声强传感器固定工装和控制采集系统，声强传感器固定工装有若干个，均匀布置在消声室的内部靠近侧壁的位置，声强传感器固定工装的上端安装有朝向消声室中部的声强传感器；消声室的内部中心设置有用于固定放置电磁阀的电磁阀固定工装；控制采集系统包括供电电源模块、控制芯片电路模块、上位机模块和LMS数据采集系统处理模块，LMS数据采集系统处理模块与多个声强传感器相连，控制芯片电路模块同时与上位机模块、供电电源模块以及电磁阀相连。本发明操作简单，测试效率高，可以准确地测试出电磁阀的工作噪声，能有效减少电磁阀前期设计过程出现的错误，验证电磁阀NVH性能。 【EN】The invention relates to a noise test system for an electromagnetic valve of an automobile electromechanical-hydraulic composite braking system, which comprises a plurality of sound intensity sensor fixing tools and a control acquisition system, wherein the sound intensity sensor fixing tools are uniformly arranged at positions close to the side wall in an anechoic chamber, and the upper end of each sound intensity sensor fixing tool is provided with a sound intensity sensor facing the middle part of the anechoic chamber; the center of the interior of the anechoic chamber is provided with a solenoid valve fixing tool for fixedly placing a solenoid valve; the control acquisition system comprises a power supply module, a control chip circuit module, an upper computer module and an LMS data acquisition system processing module, wherein the LMS data acquisition system processing module is connected with the plurality of sound intensity sensors, and the control chip circuit module is simultaneously connected with the upper computer module, the power supply module and the electromagnetic valve. The method is simple to operate and high in testing efficiency, can accurately test the working noise of the electromagnetic valve, can effectively reduce errors in the early design process of the electromagnetic valve, and verifies the NVH performance of the electromagnetic valve.

摘要：【中文】本发明涉及一种汽车电磁阀的电流响应时间测试装置及测试方法，测试装置包括电磁阀固定工装和控制系统，所述的电磁阀固定工装内部用于放置电磁阀；所述的控制系统包括供电电源模块、控制芯片电路模块和上位机模块，所述的控制芯片电路模块与供电电源模块以及上位机模块相连；还包括示波器模块，所述的示波器模块包括外接的电压探头和电流探头，所述的电压探头和电流探头均与电磁阀固定工装内的电磁阀线圈相连。本发明操作方便，成本低，可准确快速的测量出空载情况下电磁阀上下电响应时间，有利于设计师验证电磁阀的响应快速性和稳定性，从而对电磁阀的性能影响参数上进行修改来提高电磁阀的性能。 【EN】The invention relates to a current response time testing device and a current response time testing method of an automobile electromagnetic valve, wherein the testing device comprises an electromagnetic valve fixing tool and a control system, and the electromagnetic valve is placed in the electromagnetic valve fixing tool; the control system comprises a power supply module, a control chip circuit module and an upper computer module, wherein the control chip circuit module is connected with the power supply module and the upper computer module; the electromagnetic valve fixing tool is characterized by further comprising an oscilloscope module, wherein the oscilloscope module comprises an external voltage probe and an external current probe, and the voltage probe and the current probe are both connected with an electromagnetic valve coil in the electromagnetic valve fixing tool. The invention has convenient operation and low cost, can accurately and quickly measure the power-on and power-off response time of the electromagnetic valve under the condition of no load, and is beneficial to a designer to verify the response rapidity and stability of the electromagnetic valve, thereby modifying the performance influence parameters of the electromagnetic valve to improve the performance of the electromagnetic valve.

摘要：【中文】本发明涉及一种汽车电磁阀密封性、耐压及开启压力测试装置，包括测试阀块和控制系统，测试阀块包括阀块主体，阀块主体的内部设置有至少一条测试流道，测试流道的两端分别与测试阀块侧壁上的侧口以及底部的底口相连通，每条测试流道上均插入安装有需要测试的电磁阀，电磁阀的外侧套接有电磁阀线圈，电磁阀线圈与供电电源相连，测试流道连通的侧口与液压测试机相连，底口与制动卡钳相连，控制系统包括压力传感器、控制芯片电路模块以及上位机模块。本发明可以测试电磁阀带载情况下的密封性、耐压性和开启压力，以便在电磁阀前期研发设计过程中能够验证和及时改善电磁阀的相关参数从而改善电磁阀的响应快速性。 【EN】The invention relates to a device for testing the sealing performance, the pressure resistance and the opening pressure of an automobile electromagnetic valve, which comprises a testing valve block and a control system, wherein the testing valve block comprises a valve block main body, at least one testing flow channel is arranged in the valve block main body, two ends of the testing flow channel are respectively communicated with a side port on the side wall of the testing valve block and a bottom port at the bottom, an electromagnetic valve to be tested is inserted and installed in each testing flow channel, an electromagnetic valve coil is sleeved on the outer side of the electromagnetic valve and connected with a power supply, the side port communicated with the testing flow channel is connected with a hydraulic testing machine, the bottom port is connected with a brake caliper, and the control system comprises a pressure sensor, a control chip circuit module and an upper computer module. The invention can test the tightness, the pressure resistance and the opening pressure of the electromagnetic valve under the condition of load, so that the relevant parameters of the electromagnetic valve can be verified and timely improved in the early-stage research and design process of the electromagnetic valve, and the response rapidity of the electromagnetic valve is improved.