5453-759 WOODWARD 控制器机箱底盘

产品细节：5453-759 WOODWARD 控制器机箱底盘

在早期车辆质量比较小，速度比较低，机械式底盘能够满足驾驶员操控需求。驾驶员通过对方向盘和踏板的操作来直接控制轮胎的六分力，从而间接地改变车辆的三向平动和三向转动的自由度。随着科学技术的发展及汽车工业的发展，尤其是军用车辆及军用技术的发展，底盘系统也有了新的突破，比如液压转向和液压制动的推出是对机械时期底盘的重大技术革新。于此同时，随着车辆越来越重，助力器开始被广泛使用于底盘控制中，为驾驶员提供转向或制动助力。但是从本质上看，这一时期的车辆运动控制完全取决于驾驶员的输入。

在机电混合时期，传统的机械液压设计与单片机控制结合，在进一步减轻驾驶员的驾驶负荷的同时，还能够通过软件控制辅助驾驶员进行更好地车辆控制，车辆的燃油经济性、安全性和舒适性都大大提高。

以电控制动助力系统eBooster为例，eBooster利用传感器感知驾驶者踩下制动踏板的力度和速度，并将信号处理之后传给电控单元，电控单元控制助力电机对应的扭距，在机电放大机构的驱动下，推动制动泵工作，从而实现电控制动，响应速度更快并且能够精准的控制压力。

5453-759

In the early stage, the vehicle mass is relatively small, the speed is relatively low, the mechanical chassis can meet the driver’s control needs. The driver directly controls the six components of the tire through the operation of the steering wheel and pedal, thus indirectly changing the freedom of three-way translation and three-way rotation of the vehicle. With the development of science and technology and the development of the automobile industry, especially the development of military vehicles and military technology, the chassis system has also made new breakthroughs, such as the introduction of hydraulic steering and hydraulic braking is a major technical innovation of the chassis in the mechanical period. At the same time, as vehicles get heavier, boosters are becoming more widely used in chassis control to provide steering or braking assistance to the driver. But essentially, vehicle motion control in this period was entirely dependent on driver input.

In the electromechanical hybrid period, the combination of traditional mechanical hydraulic design and single-chip control can further reduce the driving load of the driver, but also through software control to assist the driver to better vehicle control, vehicle fuel economy, safety and comfort are greatly improved.

Take electronic brake booster system eBooster as an example. eBooster uses sensors to sense the force and speed of the driver pressing the brake pedal and processes the signals to the electronic control unit (ECU), which controls the torque corresponding to the power motor and pushes the brake pump to work under the electromechanical amplifying mechanism, thus realizing electronic brake. Faster response time and precise pressure control.

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