控制準確度 的英文怎麼說

中文拼音 [kòngzhìzhǔnquè]
控制準確度 英文
control accuracy
  • : 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...
  • : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
  • : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. The required levels of construction cost estimates vary at different stages of project development , ranging from ball park figures in the early stage to fairly reliable figures for budget control prior to construction

    ?建築成本估算要求的精在項目發展的不同階段發生著變化,從早期的相近數字到施工前預算時相當的是數字。
  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比較深入的探討: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系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比分析,結合實例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,與地下水資源變值系統理論相結合,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,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調,使模型更、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、地球系統科學及哲學的高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. 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時,必須針對速環(即位置環的對象)的參數攝動范圍採用「對象參數攝動離散滑模器的設計方法」 ,以保系統在參數攝動時的穩定性和快速、無超調、定位的優良動態品質.為剖析該設計方法的效果,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
  4. Secondly, paper introduces the composition structure and the manufacture craft characteristic of airplanes, describes the structure and the main assembly process and the assembly characteristic of the n # fuel tank section, points out the assembly accuracy control of the n # fuel tank section. thirdly, paper analyses in detail problems which exist in the current riveted assembly of the n # fuel tank section, proposes the improve measures against the existent problems. finally, paper forecasts in theory the positive effect that the new plan will bring, introduces the practical result after approval test, analyses the differences of both

    具體做了以下幾方面工作:第一,詳細闡述了工作研究的基本原理;第二,介紹了飛機的組成結構、飛機製造工藝的特點、 n #油箱段的主要結構、 n #油箱段的主要裝配過程、 n #油箱段的裝配作業特點和n #油箱段的裝配方法;第三,具體分析了n #油箱段鉚接裝配生產線現行作業中存在的問題,針對存在的問題,提出了具體的改進建議,並形成了新的改進方案;第四,從理論上預測了新方案將會帶來的積極效果,介紹了新方案在現場試驗驗證的實際結果,並對兩者之間存在的差異進行了對比分析與研究。
  5. The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer. the method converts the complex statement space to i / o description by the two - stage current transformer. with the compensation method, the accuracy of 0. 2 grade current transformer can be improved to less than the 0. 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating

    圍繞這一工作核心,作者完成了以下幾項工作: ( 1 )以實現寬量程電流互感器為目標,提出了基於bang - bang的有源補償方法,採用雙級電流互感器,將復雜的狀態分量轉化為偏差,該方法結構簡單,調試方便,有源補償器輸出電流小,可以將0 . 2級的電流互感器經過補償后提高到一次電流從額定值的2變化到120時,測量誤差不超過一次電流額定值100時為0 . 1級的測量標
  6. Calibration graph obtained by the modified procedure for ddmbac showed good linearity and its correlation coefficient was above 0. 999. the coefficients of variation and average recovery of added ddmbac were up to the mustard. the linear concentration ranges for batch determination of ddmbac were 0. 06 ~ 3. 33mg / l

    利用改進后的方法對ddmbac的測定建立了質量體系,其標曲線的相關系數大於0 . 999 ,線性良好,精密均符合檢測要求,線性范圍為0 . 06 ~ 3 . 33mg / l 。
  7. An idea, simulating the fuzzy model by establishing the fuzzy model and fuzzy control rule of the controlled object is proposed. generally, it is difficult to acquire the accurate mathematical description of the controlled object. a dynamic modulating factor is introduced in the designing of the fuzzy controller so as to improve the precision of the fuzzy control. and a more convenient defuzzify calculation method is adopted. the cart and the single inverted pendulum are taken so as to illustrate the simulation result. in addition, the detailed qualitative analysis of the fuzzy system is achieved. a kind of common method of qualitative analysis is proposed. it can be used to analyse the fuzzy system and describe the behavior of the system state precisely in the phase plane. the simulating results illustrated the method is feasible and available

    提出了在難以精描述對象數學模型的情況下,通過建立對象的模糊模型來定系統的模糊規則,並對模糊系統進行模擬分析的思想.利用連續系統定性分析的思想,提出一種對模糊系統進行定性分析的可行方法,在相平面內較為地刻畫模糊系統的動態行為.在模糊器的設計中,引入動態調節因子來提高模糊的精,並採用了一種便於實際運算操作的解模糊運算方法.在一種簡單的對象情況下進行了具體的模擬計算,得到較理想的效果.此外對具有精數學模型的一級倒立擺系統進行此種模糊,亦取得很好的模擬結果
  8. Automatic temperature coutrol can precisely control the crystalization temperature to ensure grain structure, mechanically controlled casting die speed is used to ensure the density of material

    自動溫系統對結晶溫實施保晶粒結構(金相)符合要求。機械恆定的鑄造結晶速以保證材質的緻密性。
  9. The results of research reveals the variation disciplinarian and the affected factor, defines the factor limiting the urban regional development. all these offer scientific references for reasonable city planning, municipal building project planning, reasonable arrangement of land use, the confirmation of land use intensity and the improving land use benefit. and a series of methods we have explored can apply the practical manipulation of grading and assessing urban land, which contribute to enhance working efficiency, shorten the time of evaluation, enhance the updating of urban land price, establish a system of dynamic superviso ry control and examination, and enhance accuracy and objectivity of urban land - rated evaluation

    再由球形檢驗和主成份分析、信分析、多元回歸分析的技術路線,逐層遞深地解譯影響城市地價的主要因素及相互數量關系,其研究結果揭示了城市地價的變化規律和影響因素、明了限城市區域發展的因素,為合理的城市規劃,市政建設項目規劃,合理安排土地用途,定土地利用強,提高土地利用效益等提供了科學依據,同時探索的系列化方法可直接應用於城市定級估價的實際操作中,有利於提高工作效率,縮短估價時間,提高城市地價的現勢性,建立地價動態監和測算系統,又可提高城市定級估價的和客觀性,在理論上、學術和實踐上均有積極意義。
  10. In order to do the research works above better, we must can precisely control the width of the quasi - 1d channel and the cut off point, and also must precisely inspire current in the 2deg, so we designed the 2 channel high precision and high stability voltage source, one channel can supply the minus voltage to the split - gate, and the other one can supply the offset voltage between the source and drain pole

    為了進行上述研究,必須能夠精一維電子通道的寬和鉗斷,以及精的在2deg上激勵電流,由此我們設計研發了給分裂門加負偏壓和給一維電子通道加源漏偏壓的兩路高精高穩定性饋源。
  11. According to the characteristics of temperature control objects in heating medium and cooling system, designs the cascade control system applying the fuzzy control and feed - forward control, solves the problems of lag and variable parameter, and meets the demand of 0. 1 t temperature control precision

    針對熱媒和冷卻系統溫對象的特性,結合模糊和前饋設計了串級調節系統,在溫中較好地解決了大滯后、變參數的問題,滿足了0 . 1的要求。
  12. The quality control includes the internal quality control and proficiency testing, the former can control the accuracy of analysis, the later can promote the analytical and accurate degree

    質量管包括內部質量管與能力試驗,內部質量管分析之精,能力試驗可提升分析之
  13. In order to improve measurement precision and display fidelity of the instrument, three new methods of nonlinear calibration of thermal instruments, which are based on intelligent control theory, are presented in this paper, such as nonlinear compensation of zr02 oxygen measurement instrument using bp nn, nonlinear calibration of temperature measurement sensors using cmac nn and nonlinear identification of throttle flow meter using ga. these methods prove to be not only simple but also effective

    火電廠熱工儀表普遍存在非線性特性,為了提高參數測量的和儀表顯示的精,基於智能理論,文中提出了熱工儀表非線性校正的新方法: bp神經網路補償氧化鋯氧量計非線性特性的方法、 cmac神經網路校正測溫傳感器非線性特性的方法、遺傳演算法辯識節流式流量儀表非線性特性的方法。
  14. Digital feedback twice sampling a / d converter is based on common accurate dual integral a / d converter. during the second sampling, through the control logic, programmable counters and switch control, realize digital feedback and substitute primary analogue feedback realized by high accuracy d / a converter

    在第二次采樣中,通過邏輯、可編程計數器和開關來實現數字反饋,以取代原有的兩次采樣a / d轉換器中通過高d / a轉換器所實現的模擬反饋。
  15. It avoids the disturbance of the constant current source by improved constant current source method, with high precision and nice resolving power. the circuit has wide application with simple structure, low cost, low power dissipation and small. it can be used in the precise temperature measurement and control systems, such as laser diode

    用改進的恆流源法測量熱敏電阻的阻值,有效地克服了恆流源的干擾,測量精高,測量解析可達0 . 01 ,測溫可達0 . 5 ;並且該電路結構簡單,成本低、功耗小、體積小、具有很高的實用價值,可用於需要精密測溫與溫系統中,如激光二極體的溫中。
  16. Automatic temperature control with circulation system, which ensures even temperaturedistribution throughout the chamber

    自動溫測試溫,配合熱風循環,保烘箱內部份達至同樣溫
  17. The latter classification method combined variable precision rough set model with k - nn classification method, so we can control the classification accuracy rate by the most endurable given error classification rate, then we can make the classification result conform to what we expect, and also some examples are given

    后一種分類方法是將可變精粗集模型與k - nn分類結合起來,從而可通過給定最大容忍的錯誤分類率來分類的,使分類結果達到所期望的目的。並且給出了一些例子。
  18. In this paper, both error sources of the automatic test system and error correction principles of modern programmable microwave instruments are also analyzed. error correction technique is used to make the system error within the allowed range so that system test accuracy is greatly increased

    論文還分析了本自動測試系統的誤差來源,分析了現代可程式微波儀器的誤差修正原理;利用誤差修正技術,將系統誤差修正到測量允許的范圍,大大地提高了系統的測試
  19. Finally, this paper analyses how to building up the mathematic models of the motor and discusses the detailed parts of pso - pid ’ s parameters obtaining, pso - pid ’ s adaptive function. by the compare of the system response speed, system stability, system robust which are achieved by use of matlab emluator of the traditional pid controller and pso _ pid controller, this paper draws the conclusion : the pso - pid controller is more flexibly, stably, adaptive, precise, robust

    通過對傳統的pid與pso - pid方法在系統響應快速性、系統穩定性、系統魯棒性三個方面的模擬對比,得出如下結論: pso - pid方法靈活性大、穩定性好、適應性強、高、魯棒性優。
  20. Oyo controller can contact to pc with rs - 485, remote control system provided for program execution

    器,具,溫濕分佈均勻等特性
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