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    • 2. 发明公开
    • 랙 피니언 방식 조향장치
    • 齿条和转子式转向装置
    • KR1020140022225A
    • 2014-02-24
    • KR1020120088545
    • 2012-08-13
    • 주식회사 한라홀딩스
    • 신웅수
    • B62D3/12B62D3/02
    • B62D3/12B60Y2300/02F16H2019/046
    • The present invention relates to a rack pinion type steering device. According to the present invention, the rack pinion type steering device prevents the joint of an existing rack bar and a ball housing from being loosened by a weak fastening force or external shocks. Moreover, the present invention prevents steering stability from being lowered due to the deformation or breakage of a ball housing due to continues shocks after the long endurance of a vehicle and the change of a stroke during the full turn of a steering wheel and improves assembling efficiency.
    • 齿条小齿轮转向装置技术领域本发明涉及一种齿条小齿轮型转向装置。 根据本发明,齿条小齿轮型转向装置防止现有的齿条和球壳的接头被弱紧固力或外部冲击松动。 此外,本发明防止了由于在车辆的长时间耐久性之后持续的冲击以及在方向盘全转期间的行程变化而导致的由于球壳的变形或破裂而导致的转向稳定性降低,并提高了组装效率 。
    • 3. 发明公开
    • VRS를 이용한 4WD 시스템 및 이를 이용한 제어방법
    • 使用VRS的4WD系统和使用其的控制方法
    • KR1020130059705A
    • 2013-06-07
    • KR1020110125820
    • 2011-11-29
    • 현대자동차주식회사
    • 이지수
    • B60W30/02B60W40/06B62D6/00B62D9/00
    • B60W30/025B60W40/06B60W2420/30B60W2520/105B60W2520/125B60W2520/40B60W2540/18B60Y2300/02B62D6/003B62D6/006B62D9/002
    • PURPOSE: A four-wheel drive (4WD) system using a variable rack strike (VRS) and a controlling method using the same are provided to receive the information of turning on and off the VRS at the system in order to determine the condition of a road surface, thereby improving an acceleration performance and a yaw stability with varying a control strategy due to the respective road surface. CONSTITUTION: A four-wheel drive (4WD) system using a variable rack strike (VRS) includes a VRS switch(100) and a front-rear driving force distributing unit(200). The VRS switch turns on and off the VRS. The forward-rearward driving force distributing unit receives the information of turning on and off the VRS in order to determine the condition of a road surface, and controls a torque distribution amount for a front and a rear wheel in order to improve a straight-line stability and a yaw stability. A controlling method of the 4WD system includes: a step (i) of detecting the driving performance of a vehicle through sensors; a step (ii) of calculating a torque distribution ratio of the front and the rear wheel according to a wheel velocity difference and a desired yaw rate detected by the sensors; a step (iii) of determining whether the ratio does not coincide with the operation of the VRS; a step (iv) of detecting whether the VRS switch is turned on; a step (v) of improving a straight-line stability and a yaw stability with controlling front-rear wheel torque distribution through the front-rear driving force distributing unit when transmitted with the information of turning on the VRS switch.
    • 目的:提供使用可变机架罢工(VRS)的四轮驱动(4WD)系统和使用其的控制方法,以接收系统上打开和关闭VRS的信息,以确定系统的状态 从而通过改变相应路面的控制策略来改善加速性能和偏航稳定性。 构成:使用可变齿条撞击(VRS)的四轮驱动(4WD)系统包括VRS开关(100)和前后驱动力分配单元(200)。 VRS开关打开和关闭VRS。 前后驱动力分配单元接收VRS的接通和关闭信息,以确定路面的状况,并控制前轮和后轮的扭矩分配量,以改善直线 稳定性和偏航稳定性。 4WD系统的控制方法包括:通过传感器检测车辆的驾驶性能的步骤(i); 根据由所述传感器检测到的车轮速度差和期望的横摆角速度来计算所述前轮和所述后轮的转矩分配比的步骤(ii); 确定该比率是否与VRS的操作不一致的步骤(iii); 检测VRS开关是否被接通的步骤(iv); 通过开启VRS开关的信息发送时,通过前后驱动力分配单元控制前后轮转矩分配,提高直线稳定性和偏航稳定性的步骤(v)。
    • 5. 发明公开
    • 차량의 험로 주행 방법
    • 在粗路上驾驶车辆的方法
    • KR1020120123957A
    • 2012-11-12
    • KR1020110041620
    • 2011-05-02
    • 콘티넨탈 오토모티브 시스템 주식회사
    • 김남용
    • B60W40/06B60C23/04B60W10/06B60W30/02B60K17/34
    • B60W40/06B60C23/0408B60C23/0416B60K17/34B60W10/06B60W30/02B60W2530/20B60W2550/14B60Y2300/02
    • PURPOSE: A driving method for rough road is provided to perform driving function corresponding to rough road by monitoring the tire pressure change value. CONSTITUTION: A driving method for rough road comprises the following steps: an electronic control unit(200) receiving tire pressure sensor signals produced during vehicle driving from a tire pressure sensor(100); the change value of the tire pressure is produced based on the tire pressure sensor signal; determining the driving as driving on the rough road if the change value of the tire pressure exceeds the predetermined limit value; and performing the driving function to correspond with the rough road driving if the road is determined as the rough road. [Reference numerals] (200) Electronic control unit; (AA) The first timer; (BB) The second timer; (CC) The third timer; (DD) The fourth timer; (EE,FF,GG,HH) Timer pressure sensor
    • 目的:通过监测轮胎压力变化值,提供粗糙道路的驾驶方法,以进行与粗糙道路相对应的驾驶功能。 构成:用于粗路的驱动方法包括以下步骤:电子控制单元(200),从轮胎压力传感器(100)接收在车辆行驶期间产生的轮胎压力传感器信号; 基于轮胎压力传感器信号产生轮胎压力的变化值; 如果所述轮胎压力的变化值超过所述预定极限值,则将所述驾驶确定为在所述粗糙道路上行驶; 并且如果道路被确定为粗糙道路,则执行驾驶功能以对应于粗糙的道路行驶。 (附图标记)(200)电子控制单元; (AA)第一个定时器; (BB)第二个定时器; (CC)第三个定时器; (DD)第四计时器; (EE,FF,GG,HH)定时器压力传感器
    • 6. 发明公开
    • Communication anomaly detection method of vehicle control unit
    • 车辆控制单元的通信异常检测方法
    • KR20120078191A
    • 2012-07-10
    • KR20100140412
    • 2010-12-31
    • KOREA ADVANCED INST SCI & TECH
    • KEUM BOK HEEKIM JIN KYUJEONG YONG HOONCHO DONG HO
    • B60W50/02B60R16/00B60R16/02
    • B60W50/0205B60W2050/0045B60R16/00B60R16/02B60R16/023B60W30/02B60W50/02B60W50/0225B60W2050/021B60W2550/408B60Y2300/02H04L67/06
    • PURPOSE: A communication error detecting method of a vehicle control unit is provided to monitor various electric devices within a vehicle and detect ID of transmission interrupted message. CONSTITUTION: A communication error detecting method of a vehicle control unit comprises the following steps: initializing various data for error detection(s202); renewing the message receiving time if a special message is received and setting the message receiving status as on(s204); calculating the time difference of the final message receiving time and current time if detecting period for unread messages is expired(s205); checking whether the difference value is bigger than the maximum tolerant time for the message or not(s206); and setting the message receiving status as off if the difference value is bigger than the maximum tolerant time(s207). If the difference value is smaller than the maximum tolerant time, the message receiving status is set as on in the last step.
    • 目的:提供一种车辆控制单元的通信错误检测方法,用于监控车辆内的各种电气设备,并检测发送中断消息的ID。 构成:车辆控制单元的通信错误检测方法包括以下步骤:初始化用于错误检测的各种数据(s202); 如果接收到特殊消息则更新消息接收时间,并将消息接收状态设置为on(s204); 计算未读消息的检测周期到期的最终消息接收时间和当前时间的时间差(s205); 检查差值是否大于消息的最大容许时间(s206); 并且如果差值大于最大容许时间,则将消息接收状态设置为关闭(s207)。 如果差值小于最大容许时间,则在最后一步中将消息接收状态设置为开。