比例積分微分 的英文怎麼說

中文拼音 [fēnwéifēn]
比例積分微分 英文
pid
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 比例 : 1. (長度上縮小和放大的倍數) scale; scaling 2. (比率) proportion; ratio; proportionality
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
  1. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    基於上述研究,得出的主要結論有:建築物震害預測是一個模糊的、系統的、復雜的問題,現有的方法很多一般都是以震害統計規律、專家經驗、理論析和試驗研究為依據,有其自身的優缺點和一定的適用范圍;應針對不同的建築物條件、場地條件、地震強度和已有經驗等,採用不同的預測方法進行建築物震害預測,以使預測結果達到預期的精確性、可靠性和可操作性;建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣,成為指導抗震防災的重要依據,各類結構的震害情況表現為: 6度地震作用下各類建築物基本完好; 7度地震作用下除鋼筋混凝土結構基本完好外其餘以建築輕破壞為主; 8度地震作用下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等破壞為主; 9度地震作用下鋼筋混凝土結構以輕破壞為主,單層工業廠房和空曠房屋以中等破壞為主,其餘建築以嚴重破壞為主;建築物的震害預測結果體現了未來地震來臨時的震害程度,在編制漳州市區抗震防災規劃時,對于遭遇50年超越概率10的地震影響發生中等以上破壞的建築物應考慮進行抗震鑒定和加固;由建築物的破壞所造成的直接經濟損失是城市地震經濟損失的主要部,重慶大學碩士學位論文中文摘要其主要與建築物總面、結構類型、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟損失按2一3倍向高烈度方向遞增,漳州市區直接經濟損失由6度至9度的關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度( 7度)時,漳州市區直接經濟損失約4 . 5億元,無家可歸人員約40000人,且以磚木結構和多層磚混結構的震害損失最大;地震造成的人員傷亡主要與建築物倒塌及嚴重破壞的程度和總面以及震時的建築物室內人數密切相關,地震時無家可歸人員主要與住宅倒塌、嚴重破壞及中等破壞的程度和總面以及城市人均居住面密切相關。
  2. In the dissertation, a novel hybrid excitation constant voltage synchronous generator is adopted to improve the system performance, which takes the advantages of both electrical excitation and permanent magnet machines. a parted configuration is presented in order to design the structure of the generator. the adaptive digital adjustment is settled in principle using the single chip microcomputer 80c31 as the control core of the voltage regulator and adopting the proportion - integral - differential control as the control arithmetic, then a sample is made

    論文對同步發電機的工作原理、性能特點、電機本體以及電壓調節器的硬體和軟體設計進行了研究,針對稀土永磁同步發電機變載、變轉速情況下輸出電壓不可調的不足之處,採用一種新穎的電機型式? ?自適應復合勵磁恆壓同步發電機,綜合了永磁發電機和電勵磁發電機的優點,提出一種磁路開的結構進行電機本體的設計,並選用單片機80c31作為電壓調節器的控制核心,??控制( pid )作為其控制演算法,從原理上較好地解決了其電壓的自動數字調節,並試制了一臺樣機。
  3. 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??( 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?大步長?小步長層次?演算法;不同條件下系統穩流性能的對析在論文最後給出,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。
  4. 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控制器用非線性pid控制器來代替,並在此基礎上,就一般控制系統的階躍響應曲線,析了在不同響應時間階段pid的三個增益調節參數的理想變化情況,並根據這些理想變化,別給出了增益參數的一種連續的非線性擬和函數。在析雙位置環時,仔細考慮了能使系統性能變壞的各種因素,如系統的動態性能及控制出入能量的大小等等。
  5. On the basis of sand dividing and isochronous tracing correlation which is making in supershort - term cycle sequence, choose two layers of 11 and 35 as units to make isopach map of sand and isochronous depositional microfacies map in short time and big scale. comparison with the same work which was made by predecessor, the precision and degree of reliability of these maps is outstanding

    在相當超短期旋迴層序級別的砂層劃和等時對基礎上,選擇1 ~ 1和3 ~ 5兩砂層為編圖單元編制大尺短時間尺度的砂體等厚圖和等時沉相圖,並與前人所編的同類圖件進行較,突出了本文所編圖件的精度及可靠程度。
  6. The results improve our understanding of the utility of tl as an indicator of sedimentary environment and provide insight into what types of ocean sediments are amenable for study. the comparison of the 18o with the tl cycles indicates that the tl dose display the expected coupling relation with interglacial and glacial climate cycles

    尤以位於東經90海嶺上的以遠洋沉作用為主的md81349巖芯最為理想,陸源剝蝕產物在其沉記錄中所佔較少,有孔蟲和超化石為代表的遠洋成因的灰白色生物軟泥構成主要的沉
  7. 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控制器應用於木材幹燥控制系統的方案,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;它根據設定的某一控制規律,通過網路的自學習,調整pid控制器的參數,從而利用經典的pid控制演算法得到相應各變量的控制量參與控制,並在該過程中實現解耦控制,而不用給定樣本信號進行在線的學習。
  8. Through simulation and calculating the four models, the influence on proportion coefficient, integral time constant, derivative time constant and partial feedback coefficient for system performance is analyzed. the ideal reference value of every parameters and step respond curves are given. the simulation result may be used as reference for making analogue controller or digital controller

    通過對這四種模型的模擬研究,析了各模型中系數、時間常數,時間常數及局部反饋系數對系統性能的影響,並給出了各參數較為理想的參考值及階躍響應曲線,模擬結果對製作模擬控制器及數字控制器有一定的借鑒作用。
  9. 2. based on the original bp network, some improvement on error back propagation arithmetic is made. the executing speed of the algorithm is increased through online adjustment of learning rate. combined with traditional pid control, this method generated two integral schemes : bp network + pid serial control and self - confirming control of parameters of pid controller based on bp network are constructed

    在原有的誤差反向傳播( bp )網路的基礎上,對其學習演算法進行了改進,通過在線調節學習速率,提高了演算法的實現速度,並且與傳統的比例積分微分( pid )控制方法進行結合,別實現了兩種集成方法: bp網路與pid串列控制方法和基於bp網路的pid參數自整定控制方法。
  10. Proportional plus integral plus derivative action ; pid - action

    比例積分微分作用
  11. Verification regulation of moving coil temperature indicating instrument with time proportional or pid action

    帶時間比例積分微分作用的動圈式溫度指示調節儀表檢定規程
  12. Dynamic behaviors of regulators with different control loop designs are studied. the compensators studied are proportional, integral, proportional - integral, proportional - integral - derivative feedback controllers

    閉環系統的模型建立成功,並用於比例積分微分控制迴路的析。
  13. Abstract : in order to discuss the adaptability, advantage and disadvantage of various stochastic simulation for sedimentary micro faces of reservoir are analyzed, and truncated gaussian simulation and sequential indicator simulation, which are generally used in quantitative description of reservoir, will be adopted to simulate the framework of faces of a low permeable reservoir for the comparative study of different simulation technologies

    文摘:為了對儲層沉相不同隨機模擬方法的適應性及其優劣進行量化析,以低滲透儲層為,採用普遍使用的截斷高斯模擬和序貫指示模擬技術,進行了沉相定量描述的對研究。
  14. Proportional plus integral plus derivative controller ; pid controller

    比例積分微分控制器
  15. Proportional plus integral plus differential action control

    比例積分微分控制
  16. Proportional plus integral plus derivative control

    比例積分微分控制
  17. The effects of the gas system and proportion, different microwave power, different reaction pressure and different pretreatment methods of substrate and the position of substrate on the microstmcture of diamond films were respectively discussed in this paper

    別考慮氣體系統及波功率、反應氣壓、基片處理方式和基片位置對低溫沉金剛石薄膜的影響。
  18. Contraposing the controller made up of fixed - plus proportion and intelligent integral can not achieve the expectant dynamic and static characteristic, the control strategies of seasoned manipulators are simulated in different phases of step response curve of the system, a nonlinear pid human - simulated intelligent control algorithm is presented by importing p, nonlinear i and fixed - plus d into human - simulated intelligent control

    摘要針對仿人智能演算法中,由固定增益的和智能組成的控制器不能獲得滿意的動靜態控制性能的缺點,在系統階躍響應曲線的不同階段,模擬了經驗豐富的操作人員的控制策略,將非線性環節、環節和固定增益的環節引入到仿人智能控制中,提出了一種非線性pid仿人智能控制演算法。
  19. A design method based on particle swarm optimization for pid controller of a servo system

    基於粒子群優化的伺服系統比例積分微分控制器設計方法
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