power mathematical 中文意思是什麼

power mathematical 解釋
數學乘方
  • power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
  • mathematical : adj 數學（上）的，數理的；嚴正的，精確的。 mathematical instruments 制圖儀器。 mathematical logic...
  1. 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
  2. The thesis analyze the steam blending coal quality influence upon boiler and power plant. the linear and nonlinear mathematical models for steam coal blending were established

    本文首先分析了煤質特性、尤其是配煤特性對鍋爐及電廠工作的影響。
  3. Firstly it discusses the value, meaning, background and method of this topic. then it deducts the single - bubble sound pressure, spectrum of sound pressure, power spectrum. according to the real situation of traveling bubble cavitation noise around a schiebe body, the mathematical model of single - bubble collapse is selected, furthermore, the mathematical model of mass traveling bubbles without interference effect is established, and the multi - peaks and rebound phenomenon while bubbles collapse is also analyzed with statistical method

    首先論證了本項研究的意義，價值，背景和方法，然後推出了單空泡輻射噪聲聲壓，聲壓譜和功率譜，針對回轉體流動泡空化噪聲的具體情況，選擇了雙指數模型作為單空泡潰滅的數學模型，進一步建立了無干涉條件下的群泡輻射噪聲的數學模型，並用統計的方法分析了空泡潰滅時的多峰值和反彈現象。
  4. Traditional power control algorithin is to use a convergent iteration fimtion to set up a mathematical model. when such method is used to control the power of user, we should find the optimum solution vector of the convergent iteration funhon by iteration transform

    在傳統的功率控制演算法，通常採用某個迭代關系式為其建立某一的數學模型，該迭代關系式應滿足收斂特性。
  5. Mathematical model of the power frequency electric field under high voltage over head line

    高壓架空輸電線下工頻電場的數學模型
  6. The traditional classification of basic mathematical abilities is calculating ability, space imaginative power and abstract thought

    傳統的數學能力結構把數學的基本能力分為計算能力、空間想象能力和抽象思維能力。
  7. The second chapter studies the economy of ship ' s power plants, based on the aspects of lowering fuel cost, waste heat recovery, the match of ship, machinery and propeller, increasing propulsion efficiency, increasing the economy of ship ' s power plants, etc. the third chapter discusses in detail the control measures of voyage change cost, analysizes systematically the voyage change cost based on the way of fuel cost, harbor cost, voyage venture cost. the fourth chapter studies the structures and control measures of seafarers cost, maintenance cost, spare parts and stores cost, lubricating oil cost, etc. which are relatively easy to be controlled ; based on the state maintenance decision - making, a mathematical model is put forward, the validity and its solve process are discussed. the control measures of spare parts, fuel cost and lubricating oil cost should be based on scientific budget, through the control means of application, reception, usage, store check, try to acquire the inosculation of theory

    第一章主要討論營運船舶運輸成本，對船舶運輸成本的概念、結構、性質與分攤、成本細分進行了分析，從宏觀上闡明了船舶運輸成本的生存環境和生長趨勢；第二章研究了船舶動力裝置的經濟性，在營運船舶降低油耗、廢熱利用、船機槳匹配、提高推進效率、提高船舶動力裝置經濟性的有效途徑等方面進行了闡述和論證；第三章詳細論述並論證了航次變動成本的控制措施，全面系統地分析和總結了航次變動成本，通過對燃油成本、港口使費、航次風險成本的分析與控制，提出了航次風險成本的概念並論述了若干航次風險成本的控制措施；第四章對船舶營運成本中的船員費用控制、維修保養及其費用控制、船舶備件物料管理及其費用控制等幾個主要可控性較高的成本進行了細致的分析並分別討論了相互的控制措施，提出了基於狀態維修決策的馬爾可夫數學模型並論證了模型的正確性及具體解算步驟，對于備件、燃潤物料的控制堅持以科學的預算為前提，以申領、接收、使用、盤存為控制環節，切實做到理論與實踐的密切結合；第五章，結合營運成本的預核算的案例，對船舶營運成本的預算及核算進行了有益的探討，旨在揭示成本發生的動因，並給出了成本預算、核算的編制方法。
  8. Abstract : the mathematical model of reverse - rotary til ler was derived on the basis of relationship between design parameters ( includin g geometric parameters and motive parameters ) and power consumption

    文摘:該文對潛土逆轉旋耕機刀片的切削過程進行了受力分析，建立了同時含有兩種設計參數（刀片的幾何參數和旋耕機的基本速度參數）的功耗模型。
  9. ( 3 ) planar full - crank five - bar mechanisms without uncertainty singularity are chosen to construct a hybrid mechanism generating the given path. a mathematical model is set up to optimize the dimensions of five - bar mechanism with the minimal power consume of the controlling motor by the improved genetic algorithms. an example is given to show the effectiveness of the mathematical model

    （ 3 ）第四章中，選取全曲柄五桿機構中的三種類型機構作為混合驅動機構，以減少用於控制其一連架桿運動的步進電機所消耗的功率為目的，建立相應的數學模型，用改進的遺傳演算法對該五桿機構進行優化綜合，求得尺寸參數。
  10. Considering the realization of the system, the paper adopts incremental mathematical pid controller and manufactures the power board, servo amplified board and signal processing board. and the hardware circuit and sensors are checked and debugged

    考慮到系統的可實現性，利用了增量式數字pid控制器，設計了電源板、伺服放大板和信號調理板，對硬體電路和傳感器進行了標檢和調試。
  11. The mathematical statistical analysis was adopted in analyzing and forecasting of power market loads and electricity quantity to establish mathematic models

    就電力市場負荷和電量分析預測工作中運用數理統計分析方法建立數學模型、進行分析預測作了詳細介紹。
  12. The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation

    本研究主要進行了以下工作：結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況，建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型；應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型；闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法；進行了工程實例計算；最後，對牽引供電系統優化設計技術應用進行了總結。
  13. The design of ride control system is a typical project of system integration, the contents of the first year ' s research include mathematical model, control law, computer software / hardware, man / machine interface, control circuit, hydraulic power system and transmission mechanism design, a prototype had also been built to verify the stability and performance of the system

    本計畫將以船舶運動控制系統商品化為目標，研究控制器軟硬體系統之簡化，提升控制器硬體系統訊號傳輸之品質及側向穩定翼之機構設計，最後並期對運動控制器軟硬體分項功能與整體機構功能作驗證。
  14. The research can offer some important references to the population ecology of endangerous plant, too. based on the dates of two different circumstances, two standard life tables of form. taais chinensis var. mcarei population are founded by mathematical technique according to premising with " space deducing time ", and the curves of survival rate, mortality rate and killing power were drew. the results showed both of the survival curves of population appeared to be a type of deevey - iii and the high mortality of seeding is one of the important reasons which caused taxus chinensis var. mairei to be endangered, which badly limited the enlargement of form. taxus chinensis var. mcarei population

    由於南方紅豆杉無解析木，因而以「空間推時間」 、 「橫向導縱向」方法，將林林依胸徑大小分級，以立木級結構代表年齡結構，採用分段勻滑技術，對兩個不同生境的南方紅豆杉種群編制特定時間生命表，繪制存活曲線，結果表明不同生境的南方紅豆杉種群的存活曲線均趨于deevey -型，兩地差異較小，幼苗死亡率極高，不同生境的幼苗死亡率均達到96以上。
  15. Because central potentials of four y windings in 12 - phase generator are not equal each other and there is no common reference inside the generator, it is difficult to identify the on / off of rectifying elements. in this paper, by using a mathematical model with line voltage substitute for phase voltage, the problem that there is no common reference in the 12 - phase generator with rectifier is solved. based on results of the studies on small prototype, 920kw charging generator applied in a submarine is improved in design, and therefore power oscillation with high magnitude when two generators are operating in parallel

    由於十二相發電機中四個y繞組的中點電位不等，電機內部沒有公共參考點，從而在判斷整流元件導通時，不能象三相同步發電機整流系統那樣認為陽極電位最高或陰極電位最低的整流元件導通，本文採用了以線電壓代替相電壓建立十二相整流發電機的數學模型，從而解決了十二相發電機無公共參考點的問題。
  16. First, it gives a comprehensive introduction and analysis on the cti technology. then it introduces the subscriber call procedure on telephone network and some power system communication criterion. on the basis of analysis on dispatching telephone test flow, model and mathematical analyzing, the author developed a valuable dispatching - telephone auto - test system based on the cti technology

    文中首先對cti技術進行了較為全面的介紹和分析，其後介紹了電話網路中用戶線部分的呼叫過程及電力系統通信網路的一些行業標準，在對調度電話測試流程、模型及數學分析的基礎上，基於cti技術開發出了一套具有較高實用價值的調度電話自動測試系統。
  17. This project makes some researches with emphasis on the mv / lv distribution power supply situation under the present load condition. some results such as the calculation of line load rate, theoretical line consumption rate and electric voltage decrease are acquired by the mathematical analysis, and thus the power supply capability is evaluated comprehensively. the same has been done to the lv power network

    課題在系統搜集分析蘇州供電企業的背景資料，即企業概況、電力需求、輸電網、高壓配電網狀況基礎上，重點研究了當前負荷下的中低壓配電網供電情況，並通過數學分析得出線路的負載率的計算、理論線損率以及電壓降等各項運行指標，綜合評估得出其供電能力。
  18. Aiming at the working condition and object of the 9gscc - 1. 4 sunken - plantharvesting equipment, resistances of ship body and cutting fram were analyzedby means of theory of hydromechanics and traction force of the chain - type convegor were done also by means ofcalculation of tension. power equation of the equipment, which relates to the implement ' s forward speed vm, chain - type convegor ' s linear velocity vs and cutting frame ' s angle of dip, was attained. this paper established a mathematical model for power consumption as objective function, based on thefundamental, structural dimensionof the equipment

    本文根據9gscc - 1 . 4型水草收割機的工作原理及其主要結構尺寸，針對收割機的工作條件和工作對象的特性，應用流體力學理論分析計算船體及切割撿拾架的工作阻力，並用逐點張力法計算輸送鏈的牽引力，得出整機消耗功率與機組工作速度vm 、輸送鏈線速度vs及切割架入水角之間的關系式。
  19. The developments are researched in main introduction dissertation research aim, sense, substance and means and home and abroad to first section introduction ; human resource development administration fundamental theory together with practice foundation were elaborateed to second section. and imports wu gang ' s human resource and administer at some inspirations that obtain ; third section is by means of the greats quantity data examples, and the presentsituation to analyse wu gang ' s human resource development reaches the problem that is through amount up the quality, and demonstrated to create fundamental reason of problem along with settlement problem at some considerations ; the four bibliographic categories branch was depictd wu gang ' s continueing development target program from the end of the tenth - five - year plan to 2010, and utilizes contemporary labour power resources development administrations idea and mathematical model. and is living to adjust wu gang ' s human resource to be underway on the systematic conformity base

    第一部分緒論，主要介紹論文研究的目的、意義、內容和方法及國內外研究動態；第二部分闡述了人力資源開發管理的基本理論與實踐依據，並導入武鋼人力資源管理得出的幾點啟示；第三部分通過大量的數據例證，從數量到質量分析了武鋼人力資源開發的現狀及存在的問題，論證了造成問題的根本原因以及解決問題的幾點思考；第四部分描述了武鋼到「十五」末至2010年的可持續發展目標規劃，並運用現代人力資源開發管理的思想和數學模型，在對武鋼人力資源進行系統整合的基礎上，制定了武鋼人力資源目標規劃；第五部分闡述了武鋼人力資源開發的戰略和對策：改革管理、人本第一，結構調整、開發潛能，目標培養、重點開發，知識更新、整體開發，績效考核、激勵創造，利益捆綁、留住人才。
  20. A power quality disturbances location method based on mathematical morphology

    基於數學形態學的電能質量擾動定位方法
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