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基于改進(jìn)MCS算法的道路模擬機(jī)試驗(yàn)系統(tǒng)
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“921”工程資助項(xiàng)目(SKLRS200803B)


Road Simulator Test System Based on Improved MCS Algorithm
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    摘要:

    通過增加積分環(huán)節(jié),,提出了改進(jìn)的自適應(yīng)最小控制合成算法(MCSI)作為道路模擬機(jī)試驗(yàn)系統(tǒng)的伺服控制系統(tǒng)外環(huán),,以克服振動臺在測試中存在的未知時(shí)變參數(shù)及時(shí)變干擾的影響,以提高振動臺位移跟蹤精度,。通過對單通道道路模擬機(jī)試驗(yàn)系統(tǒng)動力機(jī)構(gòu)進(jìn)行建模,,并對PID,、MCS和MCSI控制器進(jìn)行了設(shè)計(jì)與仿真,。仿真結(jié)果表明,, MCS及MCSI控制器跟蹤精度遠(yuǎn)遠(yuǎn)高于傳統(tǒng)的PID控制器,,而改進(jìn)的MCS跟蹤精度又優(yōu)于MCS,,并且具有在線調(diào)節(jié)參數(shù)的優(yōu)點(diǎn)?;诳焖僭偷腗CS算法,,利用Matlab/Simulink建立振動臺控制系統(tǒng)模塊,在CCS集成開發(fā)環(huán)境中自動生成代碼,,然后將可執(zhí)行代碼下載到DSP TMS320C2812和TMS320C6713中,,實(shí)現(xiàn)了基于MCSI的道路模擬機(jī)試驗(yàn)系統(tǒng)設(shè)計(jì)。

    Abstract:

    An improved adaptive control methodology based on minimal control synthesis (MCS) for uncertain system with time varying unknown parameters and times-varying disturbances of shaking table during test was presented. The principle of traditional PID and MCS for improving the track accuracy of displacement was analyzed and compared. Minimal control synthesis integral (MCSI) was used as the outer-loop of road simulator test system servo controller. A mathematical model for actuating unit of one channel road simulator test system was built. The three controllers (PID, MCS and MCSI) were simulated. The simulation results showed that the track accuracy of displacement with MCS and MCSI was better than traditional PID, and the track accuracy of MCSI was better than traditional MCS and adaptive MCS and MCSI algorithm had a merit which could online adjust the parameters. In the end, the implementation of a rapid prototyping control system was presented. The Simulink module of road simulator test system was designed by using Matlab/Simulink, The code generated automatically in the CCS integrated development environment. The executable codes were downloaded to the Texas Instruments (TMS320C2812 and TMS320C6713). 

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尹立一,鄭書濤,沈剛,叢大成,韓俊偉.基于改進(jìn)MCS算法的道路模擬機(jī)試驗(yàn)系統(tǒng)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(12):55-61. Yin Liyi, Zheng Shutao, Shen Gang,Cong Dacheng, Han Junwei. Road Simulator Test System Based on Improved MCS Algorithm[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(12):55-61.

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  • 在線發(fā)布日期: 2011-12-19
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