本文選題：電磁懸架 + 主動(dòng)懸架　； 參考：《安徽理工大學(xué)》2017年碩士論文

【摘要】：隨著國內(nèi)經(jīng)濟(jì)的穩(wěn)步上升,人們?cè)谏畛鲂兄惺褂眯∑嚨念l率越來越高。人們對(duì)于舒適性和操控性能的追求,使得電磁懸架逐漸成為汽車不可缺失的組成部分,本研究設(shè)計(jì)了一種利用ARM7微處理器和實(shí)時(shí)操作系統(tǒng)μc/os-II相結(jié)合來控制汽車電磁懸掛的控制器�？刂茊卧獙⒉杉降钠嚰铀俣群颓胺铰访娴钠鸱鼣�(shù)據(jù)送入ECU,然后ECU采用基于遺傳算法的LQR控制器給出輸出控制信號(hào),控制電磁動(dòng)作器反應(yīng)實(shí)現(xiàn)對(duì)汽車姿態(tài)的控制。本設(shè)計(jì)全面的闡述了所設(shè)計(jì)電磁懸掛控制器的系統(tǒng)組成、系統(tǒng)結(jié)構(gòu)硬件和控制系統(tǒng)軟件的具體規(guī)劃方案。首先,介紹了選題背景及意義,接著比較了三種類型懸掛的結(jié)構(gòu)及其性能、電磁懸架的原理和控制策略。之后介紹了系統(tǒng)硬件方面的設(shè)計(jì),采用Phillip公司研制的LPC2292作為本設(shè)計(jì)的控制模塊(ECU),圍繞所選用的控制芯片設(shè)計(jì)了本設(shè)計(jì)的硬件電路,其中包含了傳感器數(shù)據(jù)處理、電磁動(dòng)作器、液晶顯示、外部輸入以及最小系統(tǒng)等模塊電路。然后,對(duì)于控制模塊軟件方面,主要是把ARM的操作系統(tǒng)μc/os-II移植到控制模塊LPC2292上;將系統(tǒng)的所有任務(wù)劃分成一個(gè)個(gè)模塊然后確定其優(yōu)先級(jí)順序。完成了各任務(wù)的劃分、優(yōu)先級(jí)的確立和各任務(wù)間的互相通訊,以及每個(gè)任務(wù)的編寫,包括系統(tǒng)任務(wù)、數(shù)據(jù)采集任務(wù)、姿態(tài)的綜合調(diào)節(jié)任務(wù)、顯示任務(wù)、鍵盤掃描任務(wù)等。最后,先對(duì)路面進(jìn)行了仿真,得到兩種不同的路型。構(gòu)建主、被動(dòng)懸掛系統(tǒng)的1/4車輛振動(dòng)模型,確定控制算法的流程,設(shè)計(jì)基于遺傳算法的LQR控制器的模型,讓構(gòu)建系統(tǒng)模型在MATILAB上進(jìn)行對(duì)比仿真。
[Abstract]:With the steady rise of domestic economy, people use cars more and more frequently. Because of the pursuit of comfort and control performance, electromagnetic suspension has gradually become an integral part of the automobile. In this paper, a controller which uses ARM7 microprocessor and real time operating system 渭 c/os-II to control vehicle electromagnetic suspension is designed. The control unit sends the collected acceleration data and the undulating data of the road ahead into ECU, then ECU uses the LQR controller based on genetic algorithm to give the output control signal, and controls the electromagnetic actuator response to realize the vehicle attitude control. The system composition, system structure hardware and control system software of the designed electromagnetic suspension controller are described in detail. Firstly, the background and significance of the topic are introduced. Then, the structure and performance of three types of suspension, the principle and control strategy of electromagnetic suspension are compared. Then the hardware design of the system is introduced. The LPC2292 developed by Phillip Company is used as the control module of this design. The hardware circuit is designed around the selected control chip, which includes sensor data processing, electromagnetic actuator. LCD, external input and minimum system module circuit. Then, for the control module software, we transplant the operating system 渭 c/os-II of ARM to the control module LPC2292, and divide all the tasks of the system into one module and determine its priority order. The tasks include system task, data acquisition task, attitude adjustment task, display task, keyboard scan task and so on. Finally, the road surface is simulated and two different road types are obtained. The 1 / 4 vehicle vibration model of active and passive suspension system is constructed, the flow of control algorithm is determined, the model of LQR controller based on genetic algorithm is designed, and the system model is compared and simulated on MATILAB.
【學(xué)位授予單位】：安徽理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TP273;U463.33

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