計數制的基數 的英文怎麼說
中文拼音 [jìshǔzhìdejīshǔ]
計數制的基數
英文
radix-
On the theory, the predictive function control method based on the state space is discussed and the simulation results validate the pfc method ' s advantages on robust and anti - jamming comparing with pid method by computer simulation. the application research includes the application of the software of predictive function control ( apc - pfc ) and the software of the multiple - variables predictive control ( apc - hiecori ). the former were applied in the temperature control chlorinating process and ph control in the process of zymolysis of penicillin, the latter were applied in the advanced control of reclaim equipment of lox in china petroleum & chemical corporation yangzi petrochemical co., ltd
本文主要從理論和應用兩方面對預測控制方法進行了研究，理論方面主要是從預測函數控制的基本原理出發，研究了一般情況下的基於狀態空間描述的預測函數控制策略，並通過計算機模擬驗證了pfc演算法比常規pid演算法具有更好的魯棒性和抗干擾性：在實際工業過程的應用上，又分為兩類演算法及軟體的應用，預測函數控制策略及apc - pfc軟體的應用主要以聚乙烯氯化過程的溫度控制和青霉素發酵過程的ph值控制為主，多變量預測控制演算法和apc - hiecon軟體的應用主要以揚子石化公司的液化氣回收裝置先進控制為主。This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of lf refining furnance bottom blowing argon control system. through the study and analysis of bottom blowing argon process control system, the thesis discusses the mean neural network model of controlled object and the mathematical models of the exectors, pwm adjustable pressure controller and pcm adjustable flux controller according to the relevant liquid knowledge and relevant data, including design data, test data and running data. to begin with the craftwork reguirement of bottom blowing argon and the actual instance of the control system, it presents the strategies of fuzzy parameters self - adaptive pid control used in pressure difference inner loop and fuzzy plus pi compound control used in flux outer loop which are based on the above modeling in order to carry out the accurate control of argon flux
本文介紹了lf精煉爐底吹氬過程式控制制系統的工作原理、工藝要求、建模過程、控制策略以及控制系統的實現。通過對精煉爐底吹氬過程式控制制系統進行研究與分析，並根據流體力學的有關知識以及有關數據（其中包括設計數據、試驗數據和運行數據） ，建立起了被控對象的平均神經網路模型和執行機構（即pwm調壓器和pcm調流器）的數學模型。在此模型的基礎上，從底吹氬工藝要求和控制系統的實際情況出發，提出了壓差內環模糊參數自適應pid控制策略和流量外環模糊pi復合控制策略，以實現氬氣流量的精確控制。First, based on the analysis of the design method of two - valued shift counter, we use the multivaled circuit ' s property of high information density to put forward the design method of three - valued shift counter. by using this method module - n three - valued shift counter can be designed. and by selecting the best design method, the simplest circuit of control logic can be made
首先，在分析二值的移位計數器的設計方法的基礎上，利用多值電路的高信息密度，提出了三值移位計數器的設計，運用該方法可以設計任意狀態的三值移位計數器，並且通過選擇最佳設計方案使控制邏輯電路最簡。In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
文摘:本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的The design of hardware module includes a / d converter, ddc ( digital down converter ), duc ( digital up converter ) and dsp. the design and application of ad6640 and ad6624 are fully discussed in this part. the design of software module includes the parameter design for ddc filter and the base - band signal processing of dsp
收發信機硬體設計主要包括： a d 、 d a轉換器、數字下變頻器（ ddc ） 、數字上變頻器（ duc ）以及dsp ，論文詳盡介紹了a d器件ad6640 、 ddc器件ad6624和dsp器件tms320c5410的設計和應用；收信機軟體設計主要包括： ddc濾波器參數設計和dsp的基帶信號處理，給出了dqpsk調制、解調演算法的dsp實現。Based on the introduction and analysis of the approach of h ( subscript ) loop shaping, aiming at the problems that the weight functions are chosen by trial and error, and the synthetical performance index of the controller is hard to meet the frequency and time domain performance requirements, an improved weight function selection method is proposed based on engineering design and chaos optimization
摘要在介紹和分析h （下標）迴路成形基本設計力法的基礎上，針對權重函數選取需要反復迭代、過程繁瑣、所得控制器難以同時滿足時域和頻域性能指標等問題，提出了一種基於工程設計、輔以混沌優化理論的權重函數選取方法。Firstly, the main structure and integral parts of the atmospheric laser communication system are described in this thesis. with view to the demand of the whole system, it discusses one of the key technologies of optical communication, that is apt technology. it produces the general design and work process of apt system
本論文首先講述了大氣激光通信系統的主要結構和組成部件，然後圍繞課題戰技指標要求，闡述了光通信的關鍵技術之一apt技術，給出了apt系統的整體設計和工作過程，並利用數字控制的基本概念，對apt中的平臺穩定伺服系統進行了詳細設計，給出了模擬實驗結果。Abstract : based on the operation data, the cold start - up and warm start - up curves of a czecho 200 mw steam turbine are worked out according to the operation rules ; the fem calculating models of the temperature field and stress field of the high pressure rotor are established, and the suitable boundary conditions are given ; the temperature field and stress field of the high pressure rotor are calculated and analysized during these two working situation
文摘:在現場實測數據的基礎上，根據運行規程擬定捷制200mw機組的冷態啟動和溫態啟動曲線；建立高壓轉子溫度場和應力場有限元計算模型，確定相應的邊界條件；計算分析在這兩種工況下高壓轉子的溫度場和熱應力場。Based on researching fuzzy control theory and design way of fuzzy controller, and acquainting cement manufacturing process, the author researched the parameters of producing process in detail, brought forward subjection function and fuzzy control rules list of cement kiln input and output parameters and designed fuzzy control imitation software by fuzzy control toolbox of matlab. applied the software to cement kiln imitating process, it has better control effect and definite significance
其次，作者還研究了模糊控制的基本理論和模糊控制器的設計方法，同時還了解了水泥生產工藝和操作過程，對水泥生產過程中的控制參數和被控參數作了進一步研究，提出了參數的隸屬函數，結合中控室操作員的經驗提出了水泥窯輸入、輸出參數之間的模糊控制規則表，然後利用matlab軟體中的模糊邏輯工具箱設計了模糊控制模擬系統，並設計了gui界面。At the same time, the author briefly analyses the distribution of original provinces, tourism motives and tourism purposes about these domestic tourists. in chapter five, taking xidi village and hongcun village for examples, based on lots of statistical data, the author summarizes the temporal characteristics of tourist flows to ancient villages and makes a comparison with others. he also discusses the reasons affecting it, such as events, social factors, natural environmental factors, radiating effect of mt
第五章以西遞、宏村為例，在大量旅遊客流統計數據的基礎上總結出古村落旅遊客流時間分佈特徵；從事件、社會因素、自然環境因素、黃山的輻射效應、管理體制及經營管理水平等方面對西遞、宏村客流時間變化的影響因素展開深入探討；文章進一步討論了不斷攀升的客流所帶來的影響，並提出了相關建議與對策。On the basis of confirming the plan of the whole design, the technique of modern digital communication, computer and electronic technique are supplied to design the hardware of the large - scale telephone line expander and program the software, also the debugged and the tested experiment are done
在確定總體設計方案的基礎上，本文採用現代數字通信技術、計算機技術、電子技術研製了大規模電話線路擴容器的硬體，編制了相應的運行軟體，並進行了調試和試運行試驗。Furthermore, it discusses how to figure out these models mentioned above. with reference to the design of various automobiles, it primary defines the method to get key parameters in platform lorry general design, and creates mathematical model. it provides more reference to choose axis, driving axle, number of arrest axles, type of tire, pump, motor, lift hydrocylinder, maximum payload and sole weight reasonably
在參考各類汽車設計思想的基礎上，根據理論推導和經驗公式的計算，初步確定了平板車總體設計階段的主要技術參數的求解方法，建立了數學模型，為合理地選擇軸、驅動橋、制動橋個數，輪胎型號、泵、馬達、舉升油缸、平板車的最大載重量和自重的選擇等提供了依據。In this paper generic model control is applied to the design of controlling law of the nonlinear power propulsion system, at the work state of constant depth and variable speed, constant speed and variable depth movement of torpedo. then the simulation program of the torpedo thermal power digital simulation system comes forth which can be used for the dynamic simulation of the performance of the process of open - loop constant depth and open - loop constant speed, the process of close - loop constant depth and close - loop constant speed
本文採用一般模型控制的基本原理，對非線性動力推進系統進行控制律的綜合，設計了魚雷恆深變速、恆速變深控制的閉環控制規律，開發了魚雷熱動力系統數字模擬軟體，對魚雷熱動力推進系統的典型工況：開環恆深、開環恆速以及閉環恆深、閉環恆速進行動態模擬。Furthermore, a design of flow chart of logic control for other subsystem of the auxiliary system and correspondent parameters which need to be monitored or controlled is provided too
在此基礎上還設計了輔機其它系統的控制邏輯流程以及所需採集和控制的參數。Based on the basic principle of tyre pattern noise controlling, measurement approach of tyre noise, frequently used charts and simulation model are introduced, some computation formulas are derived and testified. emphasis is placed on the studying of tyre pattern noise controlling from the following aspects : noise reduction optimization theory, intelligent optimization approaches and comprehensive noise intelligent diagnosis, etc. two main approaches to measure tyre noise is introduced, indoor drum - rolling measurement and outdoor yard measurement
本課題從輪胎花紋噪聲控制的基本理論出發，對輪胎噪聲測試方法、常用圖表和模擬模型進行了闡述；用實測數據對部分分析計算公式進行了推導和驗證；還著重從輪胎花紋噪聲降噪優化理論、智能優化方法、噪聲綜合智能診斷等方面，對輪胎花紋噪聲控制進行了系統的研究。This method is especially simple and easy to implement. furthermore, it fully capable of tracking digital control signals carried by 4 ~ 20ma analog signals ; during software development phase, we have completed signal collecting, lcd displaying, d / a converting of hart signal and ieee - 754 32 bit float point conversion. we used a simplified method in ieee - 754 32 bit compatible float point conversion based on the 24 bit integer and 16 bit decimal computation
在hart信號的解調外圍電路中採用遲滯比較電路實現波形的轉化，這種方法簡單、易實現，完全能夠跟蹤加載在4 20ma模擬信號上的數字控制信號；在軟體設計中，完成了hart信號的採集編程、 lcd顯示編程、 d a轉化控制編程和ieee - 75432位浮點數的轉化編程， ieee - 75432位浮點數轉化編程採用的是在最多滿足24位整數位和16位小數位的基礎上的一種簡化演算法。Based on the the mass experimental data, taking advantage of electronic control technology, a set of diesel / cng dual fuel supply system is developed and the control of cng supply for turbocharged diesel engines is primarily realized. this thesis introduces the development of this electronic control system in detail, including the structure of hardware, the module of software and the control style
在實驗室大量實驗數據的基礎上，採用電子控制技術，自行開發設計了一套柴油cng雙燃料供給系統，初步實現了在增壓發動機上對cng摻燒的控制。論文詳細介紹了該雙燃料電控系統的研製過程，包括硬體結構、軟體模塊以及控制方式。In company with the advance of automation level and the increase of computer memory capacity in working site, the collection and storage of process data lay foundation for mspc
隨著生產過程系統自動化程度的提高和工業現場計算機設備存儲容量的增加，採集和存儲大量過程變量和產品質量數據已為多變量統計控制的應用奠定了基礎。The fixed radix numeration system that uses the decimal digits and the radix 10 and in which the lowest integral weight is 1
採用十進制數字和基數為十的固定基數的計數制。在這種計數制中最小整數權是1 。分享友人