By using lyapunov method , the state of the closed - loop control system is proved to be bounded , with tracking error converging to zero 運(yùn)用李亞普諾夫第二方法,先證明了閉環(huán)模糊控制系統(tǒng)全狀態(tài)有界,再證明了跟蹤誤差收斂到零。
We mainly research on fault detection of closed - loop control systems and adaptive reconfiguration control based on fault detection and its application on flight control systems 本文主要研究了閉環(huán)控制系統(tǒng)的故障檢測(cè)和基于故障檢測(cè)的自適應(yīng)重構(gòu)控制在飛行控制系統(tǒng)中的應(yīng)用。
Piezo - electrical ultrasonic motors were used to drive the linear slideways supported by the cross roller bearings , position information was fed back by the optical encoders , the total closed - loop control system was constituted 伺服機(jī)構(gòu)采用壓電超聲電機(jī)直接驅(qū)動(dòng)由滾柱導(dǎo)軌支承的直線工作臺(tái),通過高精度光柵尺構(gòu)成全閉環(huán)反饋。
The design schemes of the control system are important parts of the paper . first the writer designs an open - loop and close - loop control system by mc33035 and mc33039 . the control system is applied for low - power motor 電機(jī)控制系統(tǒng)設(shè)計(jì)是本文論述的重點(diǎn),作者首先采用專用集成芯片mc33035和mc33039設(shè)計(jì)出一個(gè)電機(jī)開環(huán)-閉環(huán)控制系統(tǒng),這是一個(gè)適合小功率電機(jī)的控制系統(tǒng)。
A supervisory controller is used to ensure the state of the closed - loop control system bounded , and then genetic algorithm is used to adjust the parameters of the fuzzy system so that they can converge to the best values in probability meaning 在加入監(jiān)督控制項(xiàng)保證閉環(huán)控制系統(tǒng)狀態(tài)有界的前提下,應(yīng)用遺傳算法調(diào)節(jié)模糊控制器參數(shù),使得控制器參數(shù)在概率意義上收斂到最優(yōu)值。
The simulation model of pmsm close - loop control system is presented based on pwm inverter model and switching vector table model set up by the author and pmsm model in matlab . the model is proved correct from the simulation result 然后在自行構(gòu)造逆變器,開關(guān)電壓矢量表等模塊的基礎(chǔ)上,利用matlab中的永磁同步電機(jī)模型,實(shí)現(xiàn)了永磁同步電機(jī)閉環(huán)控制系統(tǒng)的仿真模型,仿真結(jié)果驗(yàn)證了方案的正確性。
Abstract this is a part of the major scientific research sub - project in the ninth five - year plan . the software of shape meter computer automatic control system plays very important role in development of the shape meter closed - loop control system 課題來(lái)源于“九五”國(guó)家重點(diǎn)科技公關(guān)項(xiàng)目子專題“冷軋板機(jī)板形控制系統(tǒng)研制” ,工業(yè)控制計(jì)算機(jī)板形控制軟件的開發(fā)對(duì)完成板形閉環(huán)控制系統(tǒng)起重要作用。
The schemes presented can guarantee the global stable of the closed - loop control systems with tracking errors converging to zero , while the modeling errors exist . they can improve the performance of the closed - loop control systems and their robustness 提出的模糊控制器設(shè)計(jì)方案在建模誤差存在的情況下,能夠保證閉環(huán)系統(tǒng)全局穩(wěn)定,且系統(tǒng)跟蹤誤差收斂到零;能夠改善控制系統(tǒng)的性能,提高控制系統(tǒng)的魯棒性。
( 3 ) considering that lots of fault detection methods are based on observers , we combine the new methods with the observer - based fault detection of closed - loop control systems . and its simulation confirmation is done on a simplified flight control model ( 3 )基于很多系統(tǒng)的故障檢測(cè)方法都是基于觀測(cè)器的考慮,將新方法與基于觀測(cè)器的閉環(huán)系統(tǒng)故障檢測(cè)方法相結(jié)合,并在一個(gè)簡(jiǎn)化的飛行控制模型中,對(duì)該方法進(jìn)行了仿真驗(yàn)證。
This system take the industry computer and the programmable controller as a control core , step - motor , the frequency changer and the ac machine does for the execution , matches by the sensor and its the periphery connection electric circuit , formed a pair the closed - loop control system 本系統(tǒng)以工業(yè)計(jì)算機(jī)和可編程控制器為核心,步進(jìn)電機(jī)、變頻器與交流電機(jī)做為執(zhí)行器,配以傳感器及其外圍接口電路,構(gòu)成雙閉環(huán)控制系統(tǒng)。