數學運算機構 的英文怎麼說
中文拼音 [shǔxuéyùnsuànjīgòu]
數學運算機構
英文
mathematical operation mechanism- 數 : 數副詞(屢次) frequently; repeatedly
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 機 : machineengine
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 數學 : mathematics
- 運算 : [數學] operation; arithmetic; operating
- 機構 : 1 [機械工程] (機械的內部構造或一個單元) mechanism 2 (機關; 團體) organ; organization; institu...
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In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements
本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象,選擇對斷開點和節臂球銷的位置進行優化設計,在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型,運用該學科的運動學分析方法研究機構的運動規律,編制了通用優化設計軟體。由於考慮了更多的空間因素,取消許多影響準確性的假設,因此建立的數學模型與傳統的方法相比更能反映實際運動規律,得到的優化結果也更加精確實用。此外,本文還針對導向機構進行受力分析,在建立該機構的空間動力學模型后,運用多體動力學中的動力學分析方法研究各個桿件的受力,計算出上下球鉸的約束反力,並開發出了相應的通用計算程序。Static mathematic model of drum accommodation and control is presented, and instruction model control strategy of sample intervals is presented based on differences between characteristic equations of lifting frame and characteristic equations of top and bottom board change among the sampling spots, the rules of this method are few, simple, easy to operate and meet controlling demands
給出了滾筒調控靜態數學模型,並根據調高機構的調控特徵方程與采樣點間頂底板變化特徵方程的差異,給出了在其采樣區間內的指令式控制策略,其方法的規則條日少、簡單易運算、符合實際控制要求。Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。The paper also does some deep research on the mesh characteristic of the mechanism, analyses the cause o f the cam profile error and index error during working, using object - oriented method, vc + + and pro / toolkit, performs second development to pro / engineer, completes entity proplasm of the cam mechanism using only few parameters, the press angle calculate module, error analysis module and curvature calculate module are built on the basis of it
然後通過對弧面分度凸輪加工中產生廓面誤差及工作時產生分度誤差原因的分析,建立了計算加工和分度誤差的數學模型。應用vc + +和pro toolkit對pro engineer進行二次開發,建立了弧面分度凸輪機構的參數化設計和三維造型及壓力角、誘導主曲率等運動特性和誤差分析軟體系統。Until now, when climate modellers began to run one of their models on a computer, they would “ seed ” it by feeding in a plausible, but invented, set of values for its parameters
目前為止,當氣候模型學家在計算機上運行他們的模型之一時,他們會通過為模序的參數設置一組可行但是虛構的數值來給這個模型「播種」 。In order to manufacture this type of worm gear drive precisely and cheaply, we should explore a whole new dis - dual generating method. as a part of the project " the modeling and simulation of planar double - enveloping toroid worm gear drive ' s intelligent manufacturing method ", this dissertation focuses on the 3d modeling of planar double - enveloping toroid worm gear in computer. the author of this dissertation has completed lots of studies and researches in this field and has found some new methods for the 3d modeling of worm gear drive
本文作為「平面二次包絡環面蝸桿副智能加工的建模與模擬」研究項目的一個組成部分,主要以在計算機中對平面二包蝸桿副進行三維建模和數字化造型為目標,在嚴格推導共軛齒面的基礎上對平面二包蝸桿副齒面的組成進行了tca分析,並運用適當的數學方法對蝸桿副型面進行重構,獲得了適合於計算機表達的平面二包蝸桿副三維數字化模型。The tectonic subsidence curves on the southeastern margin of the yangtze plate are drawn out using of backstripping method for the basin formation and evolution. the basins located in the southern margin of the yangtze plate, in the basin dynamic computer simulation, is explored and constituted to be a typical foreland basin which is of not rather high mountain and thermal situation to be lower in this older orogeny belt
在沉積盆地分析方面,基本查明揚子板塊東南邊緣早古生代被動大陸邊緣沉積特徵及沉積構造演化,同時運用反剝法技術對揚子板塊東南大陸邊緣沉積盆地形成,演化的構造沉降動力學進行探討,運用計算機模擬方法,定量動力沉積學對揚子東南邊緣奧陶紀到志留紀前陸地進行計算機模擬分析,探索並建立這個古老造山帶前陸盆定量參數和動態定量模擬。By means of establishing mathematical model of noncircular gears driving mechanism and simulating mechanism motion state by using computer animated drawings technique, transmission feasibility has been examined
通過建立非圓齒輪機構傳動的數學模型,運用計算機動畫技術模擬了機構的運動狀況,檢驗了傳動的可行性。In view of the great sense of making profit to a commercial bank, this dissertation applys maths modeling theory and layer analysis, takes modern computer technology, uses advanced maths software and finally constructs a profit maxmization model for commercial bank according to the real situations of commercial bank operation ; it also takes the operation of a certain home bank for example, applys the constructed profit model to its operation so as to make assets allocated best and realizes its assets profit maxmiazation
鑒于盈利對商業銀行具有重要的意義,本人採用數學建模理論和層次分析法,利用現代計算機技術和先進的數學軟體,從商業銀行業務經營的實際情況出發,構造了商業銀行資金收益最大化模型;並選取國內某信用社近兩年的實際業務經營情況為例,通過運用所建立的收益最大化模型,使得其資金配置最佳,從而實現了該信用社的資金收益最大化。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。Aimed at design index of input power 1. 5kw, most output rotate velocity 300rpm, and rating output rotate velocity 150rpm, considering factors of angle and ratio of transmission, on the basis of kinematics simulation, author optimized the kinematics parameters. in this paper, author has made some analysis and study to the primal assembly condition of transformer ' s sequential action in theory, designed structure dimension of the input and output transformer, and verified the corresponding strengthen. further, the structure, which is to key transmission components of velocity control system of the speed regulator, has been designed based on meeting operational sensitivity, precision and self - locking
本文針對輸入功率為1 . 5kw ,最大輸出轉速,額定輸出轉速的無級變速器的設計要求,並考慮到傳動角及變速比等因素,在運動學模擬的基礎上,對運動學參數進行了優化;本文對變換器連續作用的初始裝配條件進行了理論分析與研究,對輸入、輸出變換器作了結構尺寸的設計,並進行了強度校核計算;本文還對變速器調速系統中主要傳動構件在滿足操作的靈敏度、精度、自鎖性的基礎上進行了結構設計;最後採用workingmodel3d軟體,進行虛擬樣機的計算機輔助模擬設計及運動學和動力學計算。A niched - penalty approach is used to transform this optimal kinematical design problem to an unconstrained one. a kinematic accuracy comparison of the genetic designed fine - tuning stewart platform with the quasi - newtonian designed one is made. the comparison results have shown that the kinematic accuracy of the genetic designed fine - tuning stewart platform has a much higher accuracy and a compact structure than that of the quasi - newtonian designed one, which guarantees the accomplishment of high precision trajectory tracking and reduces the disturbance of wind to the feed - supporting system
以並聯機器人jacobian矩陣的條件數為優化設計的目標函數,提出了基於遺傳演算法的並聯機器人最優運動學性能結構參數優化設計方法,採用實值遺傳演算法,對精調stewart平臺進行了優化設計,得到了最優運動學的精調stewart平臺結構參數,為實現新一代大射電望遠鏡饋源指向跟蹤系統高精度軌跡跟蹤控制奠定了堅實的基礎。On the basis of computer emulation and the study of pneumatic splicing, as well as the math model of 3d spatial linkage mechanisms, this study can help to develop new types of pneumatic splicers in close co - operation with the machinery manufacturers
在對空氣捻接器的捻接機理及其空間機構運動的數學建模和計算機模擬基礎上,與工廠合作研製新型空氣捻接器。Transformed the six - bar guide - bar mechanism realizing linear displacement in automatic instruments into a basic rotating guide - bar mechanism, established the mathematical model of velocity approaching constant by the classical approximate synthesis theory and the modern error theory, discussedthe influences of the existent region of main mechanismic parameters on kinematic and dynamic properties, analysed the theoretical transmission ratio error, advances systematic, complete steps and methods for dimensional synthesis of this mechanism with computer aided design
將自動化儀表中實現線性輸出的六桿導桿機構轉化為基礎轉動導桿機構,應用經典的機構近似綜合理論與現代的誤差理論,建立了速度逼近常數的數學模型,討論了主要機構參數存在區域及對運動、動力性能的影響,分析了傳動比理論誤差,提出了系統完整的計算機輔助尺度綜合的步驟與方法。The main context of this paper is improving the precision of the disseminator. through analyzing the motion and construction parameter, making sure of the factor of working property, the motion equations of seed were established, and then the mathematical patter of main parameters were established. using of vb, we compiled procedure to simulate the motion of seed in the working process, finding the main factor that affect on the working property of the disseminator, then optimal designing of parameters of the device was laid
通過對排種輪的充種極限速度、清種始角、護種始角、排種器的投種口尺寸、型孔的尺寸等運動參數和結構參數進行分析,總體了解排種器結構參數和運動參數對其工作性能的影響,建立種子的運動方程,進而建立各主要參數(充種速度、清種角、護種角等)的數學模型,運用計算機輔助分析( caa )方法,通過visualbasic編製程序,對排種器工作過程中種子的運動進行動態模擬,找出影響排種器工作性能的主要因素,並對其參數進行優化,為合理地優化設計奠定了基礎。( 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。To improve the efficiency of assembly programming for microcontroller and to shorten the developing period, this article discussed the composition key element, function, characteristic and designing mentality of the developing platform of the mcu assembly language, also gave the basic procedure block diagram of the mathematical operation platform based on the view of the platform
摘要為了提高單片機匯編語言程序的編程效率,縮短開發周期,從平臺模式的觀點出發,闡述了單片機匯編語言程序開發平臺的構成要素、功能和特點以及設計思路,並給出數學運算平臺的基本程序框圖。The design undertaken mainly from the following aspects : 1, mechanism ddesign : included the base and the joints : 2, trasmission mechanism design : adopted a synchronous toothelike transmission bell ; 3, balance system design : adopted springs and a brake and a lay air cylinder ; 4, design parameter and verify alculation ; 5, established motion equation by d - h method ; 6, simulated the motion locus by matlab software ; 7 ^ mapping out the part drawing or asesembly drawing
本設計主要是從以下幾個方面入手: 1 、機構設計:包括底座和臂關節的設計; 2 、傳動機構設計:將驅動電機安裝在底座上,利用同步齒型帶、離合器傳遞手臂的動力;利用齒輪傳動帶動底座回轉; 3 、平衡系統設計:採用了彈簧平衡系統、電磁式制動器和單向延時氣缸; 4 、設計參數和校核計算; 5 、用d ? h法建立運動學方程; 6 、利用matlab軟體對手臂的運動空間進行模擬; 7 、利用autocad2000繪圖:包括零件圖和裝配圖。A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path
本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型,推導出了一個通用的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解;使用muir和newman的運動學建模方法,推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析:推導了一種理論精度較高的航位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的分析與設計是切實可行的。In order to monitor power network, this paper presents a new design of a harmonic test apparatus for power system based on dsp and rabbit 3000. the apparatus on the spot performs mathematics and numerical processing including fft and so on to voltage and current sign and transfers data to pc. data can be stored, show, query, summary and printing and so on. the complete test monitor system of harmonic is made up of monitor apparatus, pc and network
為了能夠對電網的運行狀況進行監測,本文提出採用dsp技術和rabbit3000模塊設計一種電力系統諧波監測儀。該諧波監測儀被安裝在檢測現場,對電網電壓和電流采樣信號進行fft等數學運算和處理,並通過數據機將處理后的數據傳送到上位機,上位機可以對數據進行存儲、顯示、查詢、匯總、列印等。監測儀與上位機以及網路構成了一套完整的諧波監測系統。分享友人