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牵引力控制系统技术解析 tqastraction control system

2017-09-26 4页 doc 18KB 10阅读

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牵引力控制系统技术解析 tqastraction control system牵引力控制系统技术解析 tqastraction control system 牵引力控制系统技术解析 TQASTraction control system Its function is to limit detection of tyre paste, in the tire will skid moment, automatically reduce or cut off the power to the wheels, to keep the tracking. The car in the smooth pa...
牵引力控制系统技术解析 tqastraction control system
牵引力控制系统技术解析 tqastraction control system 牵引力控制系统技术解析 TQASTraction control system Its function is to limit detection of tyre paste, in the tire will skid moment, automatically reduce or cut off the power to the wheels, to keep the tracking. The car in the smooth pavement braking, wheel will spin, so that even the direction of out of control. Similarly, the car at the start or urgent acceleration, wheel may also slip drive, in the snow and other smooth pavement will also make the direction out of control out of danger. TQAS is to solve this problem and the design of. TQAS relies on electronic sensors detect below the driving wheel driven wheel speed (this is slipping feature), sends a signal, adjust the ignition time, reduce, reduce the throttle valve opening, reduction gear and wheel brake, so that the wheel from slipping. TQAS can improve vehicle stability, improved acceleration, improving gradeability. Originally just a luxury car to install TQAS, now many ordinary cars also have. If TQAS and ABS used in conjunction with each other, will further enhance the safety performance of vehicles. TQAS and ABS can be shared on the axle of wheel speed sensor, and is connected with the driving computer, continuously monitoring the wheel speed, when in low speed found slip, TQAS will slip immediately "notice" ABS action to reduce the wheel. If in the high-speed found slip, TQAS immediately issued a directive to the trip computer, command the engine speed down or transmission downshift, to make the sheave from slipping, prevent losing control of the vehicle tail. TQAS is a kind of electronic equipment is advanced, but its characteristic is the constraint you behave driving, and not to limit car performance to play out, so it's not suitable for car. 它的功能是能够侦知轮胎贴地性的极限,在轮胎即 将打滑的瞬间,自动降低或切断传到该轮上的动力, 使之保持循迹性。汽车在光滑路面制动时,车轮会打 滑,甚至使方向失控。同样,汽车在起步或急加速时, 驱动轮也有可能打滑,在冰雪等光滑路面上还会使方 向失控而出危险。TQAS就是针对此问题而设计的。 TQAS依靠电子传感器探测到从动轮速度低于驱动轮 时(这是打滑的特征),就会发出一个信号,调节点火 时间、减小气门开度、减小油门、降挡或制动车轮, 从而使车轮不再打滑。TQAS可以提高汽车行驶稳定 性,提高加速性,提高爬坡能力。原来只是豪华轿车 上才安装TQAS,现在许多普通轿车上也有。TQAS 如果和ABS相互配合使用,将进一步增强汽车的安全 性能。TQAS和ABS可共用车轴上的轮速传感器,并 与行车电脑连接,不断监视各轮转速,当在低速发现 打滑时,TQAS会立刻“通知”ABS动作来减低此车轮 的打滑。若在高速发现打滑时,TQAS立即向行车电 脑发出指令,指挥发动机降速或变速器降挡,使打滑 车轮不再打滑,防止车辆失控甩尾。 TQAS是一种较为高级的电子设备,但是它的特性 是约束你规规矩矩地行车,而不能把车子性能的极限 发挥出来,所以不太适合跑车。 There is a great help to the stability of the TQAS car, when the car driving on slippery road surface, no TQAS car driving in the accelerating wheel is easy to slip, if the rear wheels, will cause the tail, if the front wheels, the car direction is easy to control, cause a car to the side shift, and with TQAS. The car accelerated so as to avoid or reduce this phenomenon, keep a car traveling along the right direction. In the TQAS application, can in the dashboard shows occur whether the ground slipping phenomenon, it has a control knob, if you want to enjoy yourself control pleasure, at the appropriate time system can be turned off, the car will automatically open when you restart TQAS. 是根据驱动轮的转数及传动轮的转数来判定驱动 轮是否发生打滑现象,当前者大于后者时,进而抑制 驱动轮转速的一种防滑控制系统。它与ABS作用模式 十分相似,两者都使用感测器及刹车调节器。 当TQAS感应到车轮打滑的时候,首先会经过引 擎控制电脑改变引擎点火的时间,减低引擎扭力输出 或是在该轮上施加刹车以防该轮打滑,如果在打滑很 严重的情况下,就再控制引擎供油系统。TQAS在运 用的时候,变速箱会维持较高的挡位,在油门加重的 时候,会避免突然下挡以免打滑的更厉害。TQAS最 大的特点是使用现有ABS系统的电脑、输速感知器和 控制引擎与变速箱电脑,即使换上了备胎,TQAS也 可以准确的应用。TQAS与ABS的区别在于,ABS 是利用感测器来检测轮胎何时要被抱死,再减少该轮 的刹车力以防被抱死,它会快速的改变刹车力,以保 持该轮在即将被抱死的边缘,而TQAS主要是使用引 擎点火的时间、变速箱挡位和供油系统来控制驱动轮 打滑。
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