比例控制系數 的英文怎麼說

中文拼音 [kòngzhìshǔ]
比例控制系數 英文
proportional controller factor
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 比例 : 1. (長度上縮小和放大的倍數) scale; scaling 2. (比率) proportion; ratio; proportionality
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The point analyses the composition and efficancy of the structure of corporate governance with the modern administration theory. lt systematically sets forth and compares the features and development of the structure of the corporate governance in chinese and western. by analyzing the present situation of our listing companies, it points out : " the internal control " can be considered the inevitable phenomenon, emerged in the period from the socialism planned economy to the market economy in china ' s state - owned enterprises. by the means of gathering a vast amount of data and analying cases and charts, it gives the conclutions : because the enterprise inform is progressed " step by step ", the internal controlling in our country has assumed its own features : the enterprise is in the concussion between the " super - powerful controp ' of external and the " super - weakly control " in internal. those popular phenomenon have been looked as the principle manifestation of " the internal control " which taking the national stock as the ma in part and holding the post of chainman of the board and the chief manager in company to the same man

    本文利用現代管理理論和現代企業理論來剖析公司治理結構的組成和效率體現,對中西方公司治理結構的特徵和歷史發展作了較統的闡述和較,並且運用大量的據對我國上市公司治理結構進行了實證分析,指出: 「內部人」是在我國社會主義經濟向市場經濟轉軌時期,國有企業公司治理結構中出現的一種必然現象。本文在闡述公司治理結構特徵和功效的基礎上,通過大量據的收集、案分析和圖表處理來分析我國企業治理結構的歷史變遷並揭示出:由於我國企業改革是「漸進式」的, 「內部人」表現出其自身的特點:企業處于外部「超強」和「超弱」的兩極震蕩中。作為最具我國現代企業代表特徵的上市公司,因為以國家股為持股主體,董事長和總經理兩職兼任的現象甚為普遍而成為目前企業事實上的「內部人」的主要表現形式。
  2. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對分析,結合實具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將學規劃、理統計、隨機過程等與地下水變值統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  3. The controller includes two control loops which are outer speed loop ( variable parameter pi adjustment ) and inner current loop ( single - chop current delta - control ). in order to improve system performances, design of digital control system based on dsp is presented. the proportional parameter and integral parameter can be obtained through the design

    整個統採用變pi參轉速調節(外環)與單斬電流滯環調節(內環)相結合的雙閉環方式,為了得到既快速又穩定的恆速統,本文還給出了基於dsp的雙凸極永磁電機統的設計方案,通過此設計方案可以得到轉速環的kp和積分參ki的參考值。
  4. Then pid flow rate control algorithm is introduced. all experiments made in this chapter are about measuring the valve parameters according to spool positions, single actuator flow rate control by the calculated flow rate feedback control method, free flow rate dividing control under the sufficient pump discharge flow rate situation, proportion flow rate dividing and flow rate dividing based on meter - in flow rate feedback control method under insufficient pump discharge flow rate situation. the results of all experiments proved that the method presented in this thesis is an effective way to overcome the unreasonable flow rate dividing when simultaneously operating multi - actuators with different inertia loads

    第四章介紹了多執行器復合實驗統和實驗方法;介紹了實驗採用的流量的pid演算法;並測定了執行器閥和閥芯位移相關的;做了單個執行器計算流量反饋流量、流量足夠情況下多執行器流量任意分配、流量不足情況下多執行器按調節流量分配和多執行器進油側流量反饋分流實驗;通過實驗說明了論文提出的分流方法能實現大小慣性負載復合操作時的合理分流。
  5. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的方法進行了較分析,提出閥和伺服閥復合的閉環結構來對非對稱雙缸進行同步電液同步方案;在此基礎上著重對非對稱缸建模,最後得到位置統的總體學模型,從理論上對同步統動態特性進行了分析,並用pid器進行參整定,減小雙缸同步誤差、提高統的動態響應性能;其中性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參,了解不同的參統的影響,優化同步統的動態性能;在深入了解統的動作特性后,對plc研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編出研配液壓機動作製程序,在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  6. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆統理論的基礎上,詳細介紹了dfl理論,通過較闡明了dfl理論其本質是逆統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行的模型方程,此模型方程涵蓋了電力統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力統簡化的學模型,並將擴展的dfl理論應用於此模型統,結合線性二次型最優理論設計出大型汽輪發電機的非線性綜合器及機端電壓最優器,通過模擬實驗與採用常規的按電壓偏差進行調節的式勵磁器+汽門及採用常規的按電壓偏差進行調節的式勵磁調節器和基於二次型性能指標設計的最優快汽門(考慮發電機的飽和因素)進行了對,證實了採用此種器可以有效地提高電力統的暫態穩定性,並且在電力統遭受小干擾時同樣具有良好的調節性能。
  7. This article performed an application of such means as modern test technology, computer processing system, serial ports communication and electrohydraulic proportional control technology to reform the sheetmetal combined testing machine, so that the stretching force, clamping force and the stretching length can be tested and controlled by the computer system, which greatly improved the stability and testing precision of the testing machine

    摘要通過應用現代測量、微處理、串口通信、電液等技術,對自行研製的鈑金綜合試驗機進行了改造,實現了對拉伸力、夾緊壓力和拉伸長度的計算機據採集和,大大提高了原統穩定性和測試精度。
  8. The foundation engineering is typical in both excavation depth and scale, on the basis of in - situ investigation, the design optimistic of retaining wall was discussioned in this paper, the mian reseaches including : the using of fem optimazition methods of rods system ; the delvopment of programs for optimazition of imbedding depth of structure based on matlab and for whole design optimaziton of the retaining structures based on ansys, under the two controlling factors of the saft coefficient and the reliability probability about the whole damage of retaining atructure ; the analysis on the m index of soil, the depth of retaining structures imbedded in the rock and the overall optimistic design of retaining structures

    該基礎工程不論在開挖深度還是規模上都很具有代表性。作者在現場調研的基礎上,探討了基坑支護結構設計優化問題。主要研究內容可以歸納為:應用基於m法的彈性地基梁桿有限元方法;在圍護結構整體穩定性安全與可靠性破壞概率兩種因素下,編寫了嵌巖深度優化的matlab程序與圍護結構整體設計優化的ansys批處理程序;進行了地層抗力反算、地下連續墻嵌巖深度優化與地下連續墻結構體整體設計優化。
  9. Second, pid arithmetic that is proved to be mature and have excellent performance by practical application is adopted to deal with various problems which hydraulic proportional system could meet with. in practical control, data acquisition & control card made by advantech co., ltd acts as key element to deal data. this hydraulic - mechanic system integrates the computer technique, hydraulic proportional control and data acquisition technique

    演算法方面,採用在工業實際應用中已經成熟的、在實際應用中經過驗證具有優越性能的pid演算法為基本演算法來處理該液壓統所遇到的各種問題(如閥開口為負遮蓋引起的死區問題和的穩定性問題) ;對于實際的,採用集據採集與於一體的研華據採集卡作為核心元件,從而在理論上研究並在實際應用中能體現出該液壓統的基本性能。
  10. The electro - hydraulic proportional control law is given. the laws of tracking control of displacement and speed of aircraft as well as tracking control of angle and angular speed of belt wheel are designed by means of state feedback linearization and quadratic performance index linear optimal control method. the robustness of the designed systems is analyzed, and arresting processes are simulated

    給出了電液規律;利用狀態反饋線性化及二次型性能指標線性最優方法分別設計了統跟蹤飛機位移與速度以及跟蹤帶輪轉角與角速度的非線性規律;對所設計的攔阻統進行了魯棒性分析及攔阻過程模擬,模擬結果表明,通過選取適當,兩種統的效果及魯棒特性均優于新型飛機攔阻統。
  11. The innovative ideas in this paper is to replace the linear fixed - gain pid controller for a nonlinear pid controller. based on the step response curves of conventional control system, we analyze the ideal variety of three gains in different times and construct the simulated curves of proportional, intergral and derivative gain. the controllers has considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, the dynamitic performance of the system and the size of input. to solve the problem of so many unknown parameters, we use transmit arithmetic to find the parameters which are fit for the system. to keep the robust and stable performance

    本文的創新之處在於,將傳統的固定增益的pid器用非線性pid器來代替,並在此基礎上,就一般統的階躍響應曲線,分析了在不同響應時間階段pid的三個增益調節參的理想變化情況,並根據這些理想變化,分別給出了、積分、微分增益參的一種連續的非線性擬和函。在分析雙位置環時,仔細考慮了能使統性能變壞的各種因素,如統的動態性能及出入能量的大小等等。
  12. In this paper, to resolve the coupling phenomena between temperature and humidity in wood drying system, a bp neural network based pid controller is proposed and applied to wood drying system. the architecture and learning algorithm of the proposed controller is more simpler and the physical meanings of the input layer ' s neurons and output layer ' s neurons are explicit. based on predefined control rules and self - learning, the bp network changs the scaling integral and differential parameters, therefore is able to control the variants using classical pid control algorithms and at the same time, decoupling control is implemented as well during the control procedure

    本文針對木材幹燥過程中溫、濕度耦合的現象,提出一種將新的基於bp神經網路的pid器應用於木材幹燥統的方案,其結構和學習演算法相對簡單,輸入層和輸出層神經元物理意義明確;它根據設定的某一規律,通過網路的自學習,調整pid器的、積分和微分參,從而利用經典的pid演算法得到相應各變量的量參與,並在該過程中實現解耦,而不用給定樣本信號進行在線的學習。
  13. Secondly, it states the control principle of the new linear motor which drives the laser trim table. through adjusting proportion gain and integrated gain repeatedly, and the combination with the dynamic curve of laser trim table, it improves laser trim table ' s response

    研究了帶動光刻平臺的新型直線電機原理,通過反復調整、積分等一列伺服,並結合光刻平臺階躍動態曲線,提高了光刻平臺的響應性。
  14. Second is store circuit composed by single - chip microcomputer - at89c51 and eeprom - at93c66. the third is sample circuit composed by three digital temperature sensor - ds1820. the final is output circuit

    At93c66是三線microwire串列總線的eeprom ,在統中用於存儲用戶的各種設定值和當前的工作狀態(車廂溫度、k _ u等) 。
  15. Electric - pneumatic proportion control technology is the core of the pneumatic to control part of virtual instrument system. the hardware regards two high - performance data collecting card pcl - 818ls as the core. the software regards visual basic6. 0 as the developing platform, uses dynamic link library technology to realize the control on hardware of the virtual instrument, it realizes to be soft interrupt and dma data gather, make single channels data gather frequency up to 40 khz at most under windows system

    本套虛擬儀器統的氣動部分以電?氣為核心,硬體以兩塊高性能據採集卡pcl - 818l為核心,軟體以visualbasic6 . 0為開發平臺、使用動態連接庫技術來實現虛擬儀器對硬體的,並且實現了在windows統下軟中斷和dma據採集,使單通道最大據採集頻率達到40khz 。
  16. This system captures the rack position signal and rotate speed signal of the fuel injection pump, and calculates the circulating fuel injection quantity by programming the computer. then the computer is programmed to control the daq board to generate a certain width pulse. finally, controlled by the pulse, the alcohol injection system injects a certain quantity alcohol into inlet manifold according to a setting diesel / alcohol proportion

    統採用了在labview平臺上開發的pc總線?插卡式虛擬儀器統,統通過採集噴油泵的供油拉桿位置信號和轉速信號,利用計算機計算得出柴油的循環噴油量,再根據程序設定的柴油/酒精據採集卡發出一定寬度的脈沖,低壓酒精噴射統按將酒精噴入進氣歧管。
  17. In order to solve the problems that large energy consumption, temperature variation, high, cost trouble maintenance in current electro - hydraulic servo control system for material testing machine, a new design scheme that electro - hydraulic proportional control system for material testing machine based on extension control strategy is proposed. the design scheme is successful by means of designing new main frame system, hydraulic cylinder system, digital electro - hydraulic micro - fluid proportional valve and electrical control system, and its results lay a foundation for material testing machine industries in our country

    針對國內外材料試驗機主要採用電液伺服統,存在能耗大、溫升、成本高、維護困難等問題,本課題提出了基於可拓策略的材料試驗機電負載適應統這一新型研究方案,通過開發新型試驗機主機統、液壓缸統、字式微小流量電液流量閥及電統,實現了材料試驗機電液負載適應,為我國材料試驗機自動統的產業化打下了基礎。
  18. Expect for the design of the amplifier, the emphases is to test the static state and dynamic characteristic of the control system and provide a great deal reference data so that the system can work well

    論文中除了對放大器的電路做了介紹外,重點是對放大器在統的運行中做了大量的靜態、動態參測試,為電磁閥的良好工作提供了一列的參考據。
  19. In chapter two, how to measure some important parameters of pneumatic position servo systems are analyzed, and then induce to the nonliearity and linearity mathematics model

    第二章分析了氣動位置統重要參的實驗測量以及統的非線性學模型和線性學模型。
  20. The objective of this dissertation is a kind of press - high speed numeric control oil - press. with a theoretical analysis and study about proportional control system, this paper sets up the mathematical model of proportional valve controlled non - symmetry hydraulic cylinder via the hydraulic system model building. then analyzes and modifies the model based on the matter of this study, and simulates the model with matlab software to confirm pid parameters, thus designs the pid controller

    本學位論文針對一具體的研究項目?高速壓機的開發,對統進行理論分析與研究,通過對液壓統的精確建模,建立起非對稱液壓缸的學模型,然後根據所研究問題的實際情況對模型進行必要的分析和修正,再運用模擬軟體matlab分析統模型及確定pid,設計出pid器,使得統的設計具有更多的可靠性和靈活性,最後運用pic單片機實現此,並結合整機調試試驗驗證了pid的成功。
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