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哈爾濱工業(yè)大學(xué)華德應(yīng)用技術(shù)學(xué)院（論文）
附 錄
主動懸架是近十幾年發(fā)展起來的、由電腦控制的一種新型懸架。它匯集了力學(xué)和電子學(xué)的技術(shù)知識，是一種比較復(fù)雜的高技術(shù)裝置。例如裝置了主動懸架的法國雪鐵龍桑蒂雅，該車懸架系統(tǒng)的中樞是一個微電腦，懸架上的5種傳感器分別向微電腦傳送車速、前輪制動壓力、踏動油門踏板的速度、車身垂直方向的振幅及頻率、轉(zhuǎn)向盤角度及轉(zhuǎn)向速度等數(shù)據(jù)。
電腦不斷接收這些數(shù)據(jù)并與預(yù)先設(shè)定的臨界值進(jìn)行比較，選擇相應(yīng)的懸架狀態(tài)。同時，微電腦獨立控制每一只車輪上的執(zhí)行元件，通過控制減振器內(nèi)油壓的變化產(chǎn)生抽動，從而能在任何時候、任何車輪上產(chǎn)生符合要求的懸架運(yùn)動。因此，桑蒂雅轎車備有多種駕駛模式選擇，駕車者只要扳動位于副儀表板上的“正常”或“運(yùn)動”按鈕，轎車就會自動設(shè)置在最佳的懸架狀態(tài)，以求最好的舒適性能。
主動懸架具有控制車身運(yùn)動的功能。當(dāng)汽車制動或拐彎時的慣性引起彈簧變形時，主動懸架會產(chǎn)生一個與慣力相對抗的力，減少車身位置的變化。例如德國奔馳2000款Cl型跑車，當(dāng)車輛拐彎時懸架傳感器會立即檢測出車身的傾斜和橫向加速度。電腦根據(jù)傳感器的信息，與預(yù)先設(shè)定的臨界值進(jìn)行比較計算，立即確定在什么位置上將多大的負(fù)載加到懸架上，使車身的傾斜減到最小。
Appendix
Active suspension is developed in the last decade, a new type of computer-controlled suspension. It brings together mechanics and electronics, technical knowledge, is a more complex high-tech devices. For example, the installation of the active suspension of the French Citroen Sang Diya, the hub of the vehicle suspension system is a microcomputer, the suspension of the 5 sensors were transmitted to the microprocessor speed, front wheel brake pressure, stepping action of the accelerator pedal Speed, body vertical amplitude and frequency, the steering wheel steering angle and speed data. Computer continuously receives the data and with pre-set threshold to compare, select the appropriate suspension state. Meanwhile, the microcomputer only independent control of each wheel on the implementation of components, by controlling the hydraulic shock absorber of changes in the twitch, so that it can at any time, any wheel that meets the requirements of the suspension movement. Therefore, Sang Diya wide range of cars driving mode selection, as long as the drivers in the vice on the dashboard pulled the "normal " or "sport"button, the car will automatically set the best suspension in the state, in order to The best comfort. Active suspension control of body movements with the function. When the car when braking or turning the inertia caused by the spring deformation, the active suspension will have to confront a force with the force used to reduce the body position changes. Cl 2000 Mercedes-Benz models such as Germany-based sports car, when the suspension when the vehicle is turning the sensor will immediately detect the body's tilt and lateral acceleration. Computer based on sensor information, and pre-calculation of the critical value for comparison, what position will immediately determine how much of the load added to the suspension, so that to minimize body tilt.
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