閉模高度 的英文怎麼說
中文拼音 [bìmógāodù]
閉模高度
英文
die height-
To improve the precision of the piezoelectric stage further, a scanning close loop system based on the mathematical model is studied and designed. experiments are also desinged to prove the precision of the close loop system. the experimental results demonstrate that the positional error of the system reduces to 0. 1 %, and the close loop system has high dynamic performance and position precision
為進一步提高工作臺的定位精度，本文建立了基於遲滯模型的閉環掃描控制系統，並對系統的定位能力進行了實驗，實驗結果表明，系統最大定位誤差減小至0 . 1 % ，該控制系統兼顧了系統的動態響應和高定位精度。Aiming at the function and performance limitations of traditional special cnc or current pc - based open - structure cnc, a brand - new cnc platform designing scheme of multi - layer open - architecture is presented, based on embedded - mcu calculation and management core, and three kinds of expanding mode of software, hardware and interface. by using double system working ram and boot rom technology, an independent re - development interface is set on the hardware platform to realize customized function ’ s simulations and verifications online, which makes all the expanding or re - configuring on basic cnc platform are all safe and restorable
本文針對傳統專用數控系統的結構封閉、交互形式不通用和配置擴展不靈活方面的劣勢以及當前pc模式開放結構數控的體積龐大、開放程度不高和實時可靠性不強的局限，創新性地提出了以基本cnc框架+軟體、硬體和介面三種擴展形式為特徵的層次化開放結構的嵌入式cnc硬體平臺，並採用雙存儲區技術進行了cnc系統在線模擬校驗機制和安全保護機制的方案設計。Is the mould level and flow control in a closed loop system and are abrupt changes alerted, monitored and affected blooms controlled / downgraded
鑄模液面高度和（鋼水）流控制是否在封閉的循環系統中進行？對突發情況是否有報警，監控措施？並且對受影響的鋼坯得到控制和降級使用？A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method
提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求，選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化，再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法，通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍，以速度調節器和電流調節器的參數為染色體中的基因，通過遺傳演算法在搜索范圍中優化這些基因，獲得優化解.實驗結果表明，所設計的參數能使系統性能指標有顯著提高Presents the system established by taking variable - speed torque converter with adjustable guide blades as a pilot control unit and forming an open or closed loop feedback control system, and its outstanding advantages, such as high capacity, simplicity, reliability and good transmission efficiency owned by hydrodynamic drive, and the dynamic model developed for variable - speed torque converter with adjustable guide blades by means of theoretical analysis and regression analysis of experimental data, and concluds that the model is sophisticated and simple enough to be used as a tool for design, analysis and computer simulation of a hydrodynamic control system
以導葉可調式液力變矩器作為控制單元組成的開環或閉環液力控制系統，具有液力傳動裝置能容大、系統簡單可靠、傳動效率較高等顯著的優點.通過理論分析和試驗數據的回歸分析方法建立了導葉可調式液力變矩器的數學模型，模型既簡單，又有足夠的工程應用精度，為液力控制系統的設計、動態分析和性能預測提供了必要的理論基礎This dissertation majorly researchs and designs full digital dc driving system with fuzzy control. it makes a scheme argumentation firstly, analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail, and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems, namely, the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance, this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ;. ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion, this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability, and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control, a lot of experiments are performed to verify the performance and settles problems during experiment. the result of experiment proves the feasibility of design
首先進行了方案論證，對模糊控制演算法和數字pid調節演算法、觸發脈沖的一般演算法和雙余演算法進行了詳細地研究分析，提出應用模糊控制和雙余法解決下述問題，即該論文主要的新見解和所完成的工作： （ 1 ）為了克服直流電機參數時變性和非線性因素對控制性能的影響，本設計中，雙閉環調速系統的外環採用模糊控制，內環採用pi控制，使系統在一定范圍內對直流電機參數變化和非線性因素影響有自適應能力； （ 2 ）針對常規數字觸發器演算法中觸發脈沖的可靠性不高，經常出現漏脈沖或是脈沖混亂的情況，本文採用雙余法，該演算法具有響應快，可靠性高，具有良好的適應性及抗干擾能力； （ 3 ）本設計中採用了速度快、功能強的tms320lf2407作為系統的主控晶元，應用該晶元完成系統的軟硬體設計： （ 4 ）本文對系統抗干擾的軟硬體措施進行了重點研究； （ 5 ）設計了具有模糊控制的全數字直流傳動系統原理樣機，並進行了試驗驗證，對試驗過程中出現的問題及時解決，最終實驗結果證明設計是可行的。Chapter two ascertains main technological factor of dong gou lock reconstructing, including forecast the cargo and volume through the lock to reason about representative type of vessel designed for through the lock and its operation organize. chapter three design the renovate engineering through ascertaining the main technological factor scale of the lock, dimension, designed water level and altitude, including design of structure of the lock, lock chamber and lock gate, and select the main technological factor and pattern of headstock gear. chapter four draws a comprehensive compare of the two design scheme of the renovate project with engineering project economy evaluation method, and makes out the recommended scheme, and furthermore, to calculate the economic evaluation index of the recommended scheme and makes the economic sensitivity analysis of the scheme and finally demonstrate economic feasibility of the scheme
本論文共分四章：第一章主要介紹了原東溝船閘的地理位置和營運現狀，說明了船閘在航道建設和水資源綜合利用中的作用及東溝船閘改造的必要性；第二章東溝船閘改造的主要技術因素確定其中包括東溝船閘過閘貨種和貨運量發展的預測，並確定東溝船閘的設計代表船型及營運組織；第三章東溝船閘改造工程設計本章通過船閘改造工程主要技術參數：船閘規模、尺度、設計水位和高程等的確定，設計了二個船閘改造方案，包括鋼筋混凝土整體塢式閘首結構、閘室和閘門的設計，並選定了啟閉機的主要技術參數和型式；第四章採用了工程項目經濟評估方法對東溝船閘改造工程二個設計方案進行全面綜合比較后，確定了推薦方案。The parallel processing of the two processors dramatically improves the performance of both the calculation and the communication
兩個處理器分別負責模擬計算和通信處理，顯著提高了閉環試驗速度。It also gives the semi - ellipse closing roller forming principle & quot; semi - ellipse + bouncing = round & quot;, and makes the principle formulated and quantitative for the control method and pattern of the pipe forming bouncing. this is the reasonable model for forming of thick wall pipe and high stress pipe
指出半橢圓閉口孔型輥的成型思想是「半橢圓+回彈量=圓」 ，並且使這一思想公式化、數量化，為控製成型管坯的回彈提供了方式和方法，是成型高強度厚壁管的理想模具。To solve the poor precision problems of dataglove angle outputs, this paper builds human hand kinematic model and fingertip position error model, and gets the precise parameters of human hand model by the parameters identification based on fingertip positions closed loop method
本文針對數據手套關節角度輸出精度低等缺點，建立了人手的運動學模型和各指尖位置的誤差模型。基於指尖位置閉環的方法完成了人手模型的參數識別，提高了人手模型幾何參數的精度，得到了較精確的人手手指指尖位置。Besides the design of the hardware construction for shape meter, the software system written in visual basic 6. 0 is also developed. the real - time data acquisition and conversion system worked in interrupt mode is accomplished by means of loading dynamic linkage library of pcl - 812pg enhanced multi - lab card. the converted data processing will be operated then, for example, scale operation, comparison, graphic display, data storage, etc. the adjusting values for the shape control are also calculated in it
本文在參考大量帶材標準板形、軋制初始量設定、調節量計算研究的基礎上，確定了標準板形模型、設定模型、調節控制模型等數學模型；並給出了其相應的演算法；完成了板形儀計算機控制系統的硬體設計，並在此基礎上，應用高級開發語言visualbasic6 . 0 ，通過加載pcl - 812pg多功能數據採集卡的驅動程序后，調用動態鏈接庫（ dll ）中的函數的方法，完成了信號中斷方式下的實時數據採集，採集的數據經計算機作標度變換、對比、圖形顯示、存儲等處理，並提供了用於板形閉環控制的調節量。Simulation shows that the control scheme is adaptive to parametric variations and external disturbances, and the stepping motor with the proposed controller not only has a high controlling accuracy, but also possesses the characteristic of fast response with no overshoot
模擬結果表明：所得閉環系統對電動機運行參數的變化和負載干擾有良好自適應性，而且調節精度高，動態響應快，無超調。Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable
在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的A open - close mathematic model is introduced into calculation of torsional vibration. results show : kurtosisness and high harmonic will increase when crankshaft have crack. 5. cylinder score is also diagnosed by torsional vibration in this paper, when cylinder score occurring, the friction of piston will decrease the action of air pressure
本文借鑒了裂紋轉子剛度的開閉模型，首次對含有變剛度單元的柴油機動力裝置進行了扭振計算，結果表明柴油機曲軸有裂紋后，扭振的角位移和附加振動力矩的高諧次分量會增加，峭度值增加。To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed
利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。The method and importance of scientific handling and using files are analyzed in detail. to use obturation storeroom replace open storeroom, and control the temperature and humidity of storeroom automatically, in order to extend the archives " natural life. the technologies of automatic identification, storage, fetch and agv are put forward to improve automatic level and work efficiency
具體分析了科學管好用好檔案資料的方法與重要性，提出了以密閉檔案庫房替代敞開式庫房，並自動監控庫房的溫濕度來延長檔案的使用壽命；提出了採用檔案自動識別與存取技術以及agv技術，來提高檔案庫的自動化程度和工作效率；採取防盜、防火等措施以確保檔案庫的安全；採用c s或b s工作模式來組建檔案庫的信息管理網路。We design inversion control circuit with cmos figure pll cd4046 act as core and microprocessor 80c196kc act as assistant controller. adopting a control method that combine fuzzy controller and pll control, improve induction heating power succeed in startup. adopting electric current voltage pair closed loop feedback design, with trough route capacitance voltage and trough route electric current act as pair closed loop feedback signal, guarantee induction heating power output accuracy
並對系統主電路的元器件參數進行了詳細的計算；設計了以cmos數字鎖相環cd4046為核心、以80c196kc作為輔助控制器的逆變控制電路；採用了模糊邏輯與鎖相環相結合的控制技術，提高了電源的啟動成功率；採用電流、電壓雙閉環反饋方案，採用槽路電容電壓和槽路電流作為反饋信號，從而保證了電源功率的輸出精度。Die shut height
模具閉合高度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。The results show that although there are somewhat systematic errors in the coupled model, the model simulates the basic features of seasonal cycle and interannual variability of sea surface height to the considerable extent, in order to examine the impact of indonesian through flow ( itf ) on the seasonal cycle and interannual variation of sea surface height, a sensitivity experiment is accomplished, in which the indonesian passage is closed fully in the coupled model
結果表明，盡管耦合模式存在一定的系統誤差，但仍然能相當程度上夠模擬出海面高度季節和年際變化的基本特徵。同時為檢驗模式中印度西亞穿越流（ itf ）對海面高度季節和年際變化的影響，本文還進行了印度尼西亞海道完全關閉的敏感性試驗，與控制試驗結果對比表明，印尼穿越流對季節變化的影響不大，但可以顯著影響熱帶太平洋和印度洋年際變化的特徵。分享友人