隨動系統參數 的英文怎麼說
中文拼音 [suídòngxìtǒngshēnshǔ]
隨動系統參數
英文
servo parameter- 隨 : Ⅰ動詞1 (跟; 跟隨) follow 2 (順從) comply with; adapt to 3 (任憑; 由著) let (sb do as he li...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 參 : 參構詞成分。
- 數 : 數副詞(屢次) frequently; repeatedly
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response
其次藉助ansys有限元分析軟體,對系統進行了模態分析和動力學響應分析,獲得了不同天線結構參數下的衛星?天線系統的固有特性,簡諧響應的幅頻特性,隨機振動響應的功率譜密度,以及沖擊響應的最大幅值和恢復時間等。In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory
由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果This text divides into five chapters altogether : chapter one in the introduction, have introduced the common sensor of displacement, has pointed out the fine characteristic of hall ' s sensor, put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance, electromagnetic characteristic, zero error, frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism, systematic implementation method, the experimental result has appeared, structure the mathematics model, and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to
本文共分為五章:第一章緒論中,介紹了常見的位移傳感器,指出了霍爾傳感器的優良特性,提出了基本任務;第二章介紹了霍爾元件的基本工作原理;第三章介紹了霍爾元件的溫度性能、電磁特性、零位誤差、頻率特性以及這些參數常用的補償方法和霍爾元件的簡單應用;第四章介紹了反饋隨動機構的測量原理,系統的實現方法,給出了實驗結果,構建了數學模型,並對誤差進行了分析;第五章展望中指出了今後的發展方向。The suggested control scheme fulfills automatic full range feedwater control by changing the structure and parameter of control system according to different stages of load, making full use of intelligent fuzzy logic function on conditons of remaining process system
充分利用模糊智能控制系統的功能,在不改變工藝系統的情況下,從控制策略著手,隨工況的變化改變控制系統的參數,在鍋爐點火、升壓、並網、升負荷、降負荷全過程實現自動控制。Divider, coaxial line, trigger, signal processing, data acquisition, acquisition control and waveform analysis software is included in the device. when the device operate in the system, overvoltage is transferred to coaxial line by the divider. if the overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file
當裝置在線運行時,系統中出現的過電壓信號通過分壓器傳遞到同軸電纜,通過觸發電路判斷,如果大於預先設定的值則啟動採集卡的同時采樣,采樣結束后,計算機把數據存盤並以文件格式保存,管理人員隨時通過調用專用軟體調取文件進行各種參數分析。Overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file. in the trial measurement, the device shows good performance. simulant trial and actual result indicate that method in the paper acquire approving effect, and the device can be used in the lokv distribution network
當裝置在線運行時,系統中出現的過電壓信號通過分壓器傳遞到同軸電纜,通過觸發電路判斷,如果大於預先設定的值則啟動採集卡的同時采樣,采樣結束后,計算機把數據存盤並以文件格式保存,管理人員隨時通過調用專用軟體調取文件進行各種參數分析。It realizes the cooperates detection of electrocardiogram and pulse gram. it collects twelve lead electrocardiogram and pulse gram, display them on the screen at the same time, analyses and hands with electrocardiogram and pulse gram, obtains patients " hemodynamics parameters and electrocardiogram parameters, provides references for doctors " diagnosing. according to the results of detection, it provides suggestion or diagnosing references, as well as printing good diagnosis reports
他實現了心電圖和脈圖同時配合檢查,系統同時採集病人的十二導聯心電圖和脈搏圖,實時在屏幕上進行顯示,可隨時能夠對脈圖和心電圖波形進行分析處理,來獲得病人的血流動力學參數和心電圖參數,為醫生提供診斷與搶救的依據,並且能夠根據檢查結果自動為醫生提供診斷建議或進行診斷咨詢,並列印結果報告。There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。Avoiding the use of mathematic models, the fuzzy logical control ( flc ) system meets the control demands of the tunnel ventilation process well which is a nonlinear distribution system. but because of its lacking of learning and adaptive ability, many problems has emerged when using flc : the membership functions of the fuzzy variables cannot be changed, the fuzzy logical rules cannot be modified automatically when environmental variables such as traffic model, average exhaust, etc, are changed. for this reason, the paper uses fuzzy neural network control ( fnnc ) system to improve the control process
模糊控制系統避開了數學模型,能很好適應公路隧道通風系統非線性和分散式參數特徵,但是模糊控制系統本身的學習和適應能力差,導致了模糊變量各語言值隸屬函數和控制規則不能隨著環境參數(如交通量、基準排放量等)的改變而自動調整和修改等問題,本文將具有強大學習能力的神經網路融合到模糊控制系統中,研究和探討了隧道通風模糊神經控制方法。At the same time, the character of dynamical parameter under dynamical loads was taken into accout, so elastic eular - bernonulli foundation beam model under traffic loads was set up. in this model, firstly, the detailed resolution process accounting the parameters changing with the space was gained ; secondly, the detailed resolution process accounting the parameters changing with the time was gained, too
同時,建立了考慮管-土系統參數在動力下存在動態變化特點的交通荷載下管道的eular - bernoulli地基梁受力模型,分別對參數隨著空間和空間變化時的位移響應提出了詳細的解析求解過程,從而保證了管土系統在動力下參數隨時空動態變化條件下解析求解方法的科學性與完備性。The outputs of tests on the thin plate under different inputs have been investigated for testifying the system. different solutions have been compared according to the frequency - spectrum characters and structure modal parameters. it is indicated that the solutions in this paper are consistent with the solution of the fea methods
以薄鋼板為實例,探討了不同激勵條件下,包括正弦穩態激勵、正弦慢掃描、單次錘擊和隨機錘擊激勵,薄鋼板振動系統的響應情況,以頻譜特性和模態參數為參考,將各種方法的求解結果作了比較,結果表明:本系統得出的結果與有限元解具有一致性。In order to find out the speciality of the hysteretic system under random excitation, random responses and model parameters of hysteretic system were studied by the method of stochastic equivalent linearization and mento - carlo simulation
為了更好地了解在隨機激勵作用下遲滯阻尼振動系統的動力學特性,本文將隨機等價線性化法與monto - carlo法應用於遲滯阻尼振動系統隨機響應分析並對該系統的參數特性進行了初步的研究。According to the present problems and developing tendency of hydraulic turbine governor, four main issues of this field are studied in this paper. the content include hydraulic control system, frequency measurement unit, stability of the discrete control system, optimization of control parameters and self - adjusting pid control strategy based on fuzzy logic. several main achievement and results are obtained and shown as follows : the electric - hydraulic pilot valve driven by step - motor is firstly proposed, which solves the problem that the electric - hydraulic converter of hydraulic turbine governor hydraulic servo is prone to be stuck and blocked and improves the systemic stability greatly
本文根據水輪機調節領域存在的問題和發展趨勢,對水輪機調速器的液壓控制系統、頻率測量環節、離散調節系統穩定性與調節參數最優整定以及適應式參數自調整pid控制策略進行了研究,得到以下主要成果和結論:首次提出了採用步進電機驅動的步進式電液引導閥,從根本上解決了水輪機調速器電液隨動系統中存在的電液轉換元件發卡、堵塞問題,使電液隨動系統的可靠性大大提高。Through the analysis of non - linear dynamics and studies of controlling chaos vibration for the gear driving system, we find that complex actions will be get following with the changing of parameters in this system. furthermore, we also find that the chaotic vibration can be controlled by using the torques loaded controller
通過對齒輪傳動系統的非線性動力學的分析和混沌振動控制的研究,發現齒輪傳動系統隨系統參數改變會產生復雜的動力學行為,而且藉助力矩加載控制器可以達到抑制齒輪傳動系統的混沌振動的目的。In this thesis single input - single output and multiple input - multiple output stochastic systems are discussed respectively. innovations are introduced to reconstruct the original minimum variance control problem of stochastic system, which is unsolvable by means of dynamic programming. so it can be converted into multiple single - step control problems, in which kalman filter is used to estimate unknown system parameters
本文分別針對單輸入單輸出和多輸入多輸出的隨機系統進行了研究,通過引入系統的新息對原不可解的動態規劃問題進行重構,將系統參數隨機變化的最小方差控制問題轉化成為多個基於新息的單步控制問題。The work in this dissertation mainly consists of two parts. in the first part, the dynamic response of nonlinear structures with uncertain physical parameters is studied by means of subsection linearization method and equivalent random systems method, separately. in the second part, a method for analyzing the response of viscoelastic structures with uncertain physical parameters is proposed, with fem in space domain and discrete method in time domain
本文的研究工作主要由兩個部分組成;第一部分是分別用分段線性化方法和等效隨機系統方法對含隨機參數非線性結構動態響應統計量的求解;第二部分是建立了用擴階隨機有限元方法求解含隨機參數粘彈性問題的計算模型。On the one hand, the traffic system has hybrid dynamic property of discrete event and continuous time, high nonlinearity, non - stationary randomness with unknown distribution, fluctuating system parameters according to environmental conditions and people ' s travel demand, and strong - coupling adjacent intersections. therefore, the states of a traffic system are difficult to measure, predict or control. on the other hand, several kinds of control action are taken on the urban traffic system, such as signals at intersections, guiding information and etc. signals are the most commonly used control action
一方面,從系統動力學角度分析,具有離散事件一連續時間混合動態特性、高度非線性、非平穩未知分佈的隨機性、系統參數經常隨環境條件和人們出行需求發生漂移以及交叉口之間具有強耦合特性等,所以系統狀態難以準確測量、預測和控制;另一方面,交通系統的控製作用有很多種,如信號燈、誘導信息等,信號燈是當前被廣泛應用的主要控製作用。Detailed numerical studies are presented for the transitional dynamics of the steady - state motions of those systems with the variation of the excitation and the system parameters, with the illustrations given for rich nonlinear phenomena, such as the bifurcations of periodic vibro - impact motions and the chaotic vibro - impact motions. in chapter 5, the existence of the periodic vibro - impacts, as well as the corresponding stability is analyzed for an oblique - impact vibrating system composed of a spring - pendulum and an oscillator. when the system damping and the tangential friction
結果表明,在無阻尼、無摩擦的簡化情況下,周期斜碰撞振動運動具有嚴格的存在條件,並隨激勵參數的變化出現復雜的分叉和穩定性的反復切換;運動阻尼可在較大參數范圍內對非穩定運斜碰撞振動系統動力學研究( 5 ) ( 6 )動鎮定;相對而言,切向摩擦對系統穩態特徵的影響不大。The codes of the software were developed after the mathematical models of controlled objects and electro - hydraulic servo system are successfully constructed. through the closed loop simulation test ( based on parameters of an actual hydroelectric power plant ) of the simulator linked with the pcc regulator, the effectiveness of the simulator software and pcc regulator software is confirmed
在建立調節對象和電液隨動系統的數學模型后完成模擬儀軟體的編制工作,並將模擬儀和微機調節器進行閉環對接,利用某真實電站的參數進行模擬試驗,對模擬儀軟體和微機調節器軟體進行測試,驗證其有效性。For the reduced system, the mean square criterion of stochastic melnikov process is derived to give the critical values of the probable onset of chaos and the conclusion is that the critical value turns from increase to decrease as the amplitude of weiner process increases in the interested parameter range
然後重點討論了平均系統,經過推導得出相應的隨機melnikov過程,用均方值準則導出隨機系統可能產生混沌運動的臨界條件,由此得到了在一定的參數范圍內,隨著weiner過程強度參數值的增大,混沌的臨界激勵幅值先遞減繼而遞增。分享友人