閉環穩定性 的英文怎麼說
中文拼音 [bìhuánwěndìngxìng]
閉環穩定性
英文
closed loop stability- 閉 : Ⅰ動詞1. (關; 合) close; shut 2. (堵塞不通) block up; obstruct; stop up Ⅱ名詞(姓氏) a surname
- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 穩定性 : antiwhip
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
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In addition, all the system states are on the sliding hyperplane at the initial instant, the reaching phase of smc is eliminated and the global robustness and stability of the closed - loop system can be guaranteed with the proposed control strategy
此外,控制策略使得系統的初始狀態已經處于滑模面上,從而消除了滑模控制的到達階段,進而確保了閉環系統的全局魯棒性和穩定性。Using lyapunov stability theory, it has been shown that the control scheme guarantees that all the variables of closed - loop system are bounded. moreover, the mean - square tracking error can be made arbitrarily small by choosing some design parameters appropriately
Lyapunov穩定性分析結果表明,本文所提出的控制器保證了閉環系統內的所有信號都是有界的,通過選擇適當的設計參數,可以使跟蹤誤差的均方根任意小。At first, the dynamic mathematic model is created in the light of the known dimensions and structure. then base on the mathematic model, dynamic analysis of the system is studied by drawing the open - loop bode diagram closed - loop bode diagram and step response curve using the analysis and calculating function of matlab. the influence factor on frequency character steady and performance of the system is also analyzed
首先,根據已確定的尺寸參數和結構需要,計算並建立起系統的動態數學模型,然後在已知系統數學模型的基礎上,利用matlab語言強大的分析計算功能,對系統進行動態分析,通過畫出系統的開環bode圖、閉環bode圖及系統的階躍響應曲線,分析了系統的頻率特性、穩定性及系統性能的影響因素。The stable capability of close - loop system is proved
對閉環系統穩定性進行了證明。Analysis and tests show that by using slope compensation, the open - loop instability, sub - harmonic oscillation, non - ideal closed - loop response and noise etc. when duly cycle above 50 %, can be reduced or eliminated
理論分析與試驗表明,通過引入斜坡補償可以抑制或消除占空比超過5 %時的開環不穩定性、次諧波振蕩傾向、不理想的閉環響應、噪聲等。The condition of the stability of closed - loop system is finally listed as linear matrix inequation
閉環系統的穩定性條件最終是以線性矩陣不等式的形式給出的。Stability robustness of closed - loop system with uncertain parameters using interval analysis
不確定參數閉環振動控制系統的穩定性與魯棒性區間分析An entire analysis on the closed loop system with the controller is presented, including stability analysis, response analysis, parametrical uncertainty analysis, and so on
最後對開環系統及控制器作用下的閉環系統分別作了一個全面的分析,包括穩定性分析、響應分析等。In this part, for a more general kind of systems, we give the design method of a robust adaptive controller based on backstepping technique, and analyxe stability and performance of the closed - loop system
該部分對于更一般的一類系統,給出了一種基於反推技術的魯棒自適應控制器的設計方法,分析了閉環系統的穩定性和性能。The lifting technique is then used for h _ synthesis problems such as h _ mixed sensitivity problem, robust stability problem and the disturbance attenuationproblem. it is pointed out that for the closed - loop sampled - data control system, thesystem norm is not preserved by the lifting as expected, i. e., there is a differencebetween the two norms
論文將提升技術應用於采樣控制系統的各種h _設計問題,包括h _靈敏度問題、魯棒穩定性問題、擾動抑制問題,指出對閉環采樣控制系統,提升法並不像設想的那樣具有保范性質,即系統在提升前後的范數是不等價的。It takes one hour to get the factory from cbd, beijing city. it covers an area of 20, 000 square meters and workshops occupy 13, 000 square meters. the all - sealed workshops provide a clean environment for manufacturing, the safety detective equipment and strict quality control system ensures reliability and sanitation standards of products
工廠全封閉的生產車間確保了生產環境的清潔衛生,配套的生產設備匯集了當今所有軟性填充玩具的專用機械,形成從自動沖壓下料,縫紉製作,氣壓訂眼直至機械填充,已初步形成了以流水線作業方式為主的準機械化生產形式,確保了產品造型的一致性和產品質量的穩定性。Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail
針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新型自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體控制,結合ti公司生產的tms320lf2407晶元,設計了直接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。The controlled object hyvp ( hydraulic pressure vibration platform ) has the property of big loading pressure and rating power, so it need considerable transmitted and control power, it also has the property of high - level math model, and narrow frequency width in closed - loop, and bad stability. this thesis is based on the hpvs in the “ tiema project ”
被控對象(液壓振動臺)具有負載壓力和額定功率相當大的特點,因此要求傳輸和控制的功率要相當可觀;而且它還具有數學模型階數高、閉環頻帶寬度窄、穩定性差等特點。Sb2011 precise decade inductance box adopts loop inductance coil, emc screen, special temperature compensation structure, aging technology, and whole - seal moistureproof measure therefore, it possesses many special characteristics, such as strong anti electromagnetic capability, little effect by humidity and temperature, perfect stability, reliable performance, strong adaptability, novel structure, and easy to operate
Sb2011型精密十進位電感箱採用鐲環形電感線圈及電磁屏蔽,獨特的溫度補償結構與老化處理工藝並採取全封閉式的防潮措施,具有抗電磁干擾能力強、受濕度與溫度影響極小、穩定性好、性能可靠、適應性強、結構新穎、操作方便等獨特優點。The electrical control system uses a computer with a closed - loop servo - system to increase the precision and reliability of the line
電器控制部分採用全電腦控制,該控制系統具有閉環反饋系統,生產精度和穩定性明顯提高。Through small signal stability analysis and transient stability simulation in a typical hvdc system ( epri 36 ), the results show that some characters of closed - loop system on the basis of associated feedback control, such as angle stability, voltage accuracy and small signal stability, are better than those of avr + pss
通過一個典型交直流電力系統( epri - 36系統)的小干擾穩定計算和暫態模擬表明,關聯測量分散勵磁控制下的閉環系統在功角穩定性、電壓調節精度以及小干擾穩定性方面均優于常規勵磁附加pss 。After analyzed each part of the loop, the system ' s open - loop and closed - loop transfer functions are presented and some parameters are optimized to ensure that the system has better stability and response speed
設計了小抖動穩頻控制系統,分析了各部分的組成與傳遞函數,給出了系統的開環和閉環傳遞函數。根據傳遞函數優化了有關參數,使得系統有較好的穩定性與響應速度。The dynamic matrix control algorithms based on finite impulse response are studied. the model errors are defined in the form of upper and lower bound and the error square sum of impulse response coefficients of single - input / single - output systems. the robust stability conditions are proposed for closed - loop systems using dmc in the form of lmi, which can assure the closed - loop system using dmc algorithm to be asymptotically stable, when the coefficients of characteristic polynomial do n ' t satisfy jury ' s dominant coefficient lemma
浙江大學博士學位論文4 .研究了基於脈沖響應模型的動態矩陣預測控制田mc )演算法,針對單輸入、單輸出系統可能出現的預測模型誤差,分別以脈沖響應系數上下界和脈沖響應系數誤差平方和的形式對預測模型的模型誤差進行定義,根據該定義以線性矩陣不等式的形式分別提出了閉環系統魯棒穩定判據,當閉環多項式系數不能滿足j切嘆主系數定理的情況下仍能保證系統閉環穩定。Simulation studies illustrate the effectiveness and robustness of the schemes. secondly, according to the results gained in the first part, an adaptive sliding mode controller for a class of large - scale decentralized systems is designed. by theoretical analysis and the simulations, the closed - loop decentralized adaptive control system is proved to be globally stable with tracking error converging to a neighborhood of zero
第二部分針是對一類大系統的分散自適應控制問題,運用第一部分已取得的成果,提出了一個分散穩定自適應控制器,經過穩定性分析,證明了該控制器能夠保證被控系統閉環穩定,系統的跟蹤誤差將收斂到零的某一較小的領域內,模擬試驗也表明了本部分所提出的策略是正確有效的。( 7 ) taking advantage of the lyapunov theorems, a simplified method is proposed in this dissertation to testify the local stabilization of the experimental control system, which can be used for reference in the stability analysis of general nn based nonlinear control systems
7 .由於神經網路理論尚不完善,神經網路非線性控制系統的穩定性分析一直沒有明確的理論指導。本文由lyapunov穩定性定理出發,對彈性連桿機構振動主動控制系統的線性化模型進行了閉環穩定性分析,最終證分享友人