軸點角 的英文怎麼說
中文拼音 [zhóudiǎnjiǎo]
軸點角
英文
axial point angle-
Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading
文摘:為了測錄內燃機缸內的壓力及溫度，開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數，而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明，此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點The nine elements of the matrix are products of cosines of angles between the direction of a streamline at a point and the coordinate axis.
這矩陣的9個元素系一點的流線方向和座標軸之間夾角餘弦的乘積。Based on the past results, seismic behavior of r. c. frame structure with special - shaped column is studied, according to the members to the structure in sequence in this paper. the main contents are as follows aspects : first of all, aiming at the characteristics of special - shaped column, various control parameters including allowable value of drift angle, axial load ratio etc, are studied
本文在前人研究成果的基礎之上，就鋼筋混凝土異形柱框架結構的抗震性能，按照從構件到結構的順序展開研究，主要內容如下：第一，針對異形柱的特點，對影響結構抗震性能的主要參數，如層間位移角、軸壓比等進行研究。For the 30. 2mm shaft, there are still larger over measure to load. the strength is increased by optimization. for ? 17. 4mm shaft, the strength is increased by enlarge the inner dimension of the spline ; for 30. 2mm shaft, the strength is increased by adjust the structure at the boundary between the key groove and the ring groove, the highest stress of the shaft is at bottom and terminal of the spline after optimization
其中對17 . 4mm泵軸的優化，通過增大花鍵內徑，提高了花鍵齒底的強度，降低了應力集中點附近的應力；對30 . 2mm電機軸的優化，通過在軸承鍵的環槽端增加倒角，有效降低了該位置的應力集中，使軸的最大應力點從軸承鍵與環槽的交界處轉變到花鍵根部與收尾的交界處，提高了電機軸整體結構強度的合理性。Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece
將液體火箭發動機燃燒室的冷卻通道設計為斜航線（等傾角螺旋線）槽形，可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大，所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點，提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜，手工編制數控加工程序難度大.為了解決數控加工程序的編制問題，研究了斜航線的數學模型，開發了自動編程軟體系統.使用該系統，可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大，加工難度大，是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗，研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術，已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用，驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功，對其他相似類型零件的加工亦具有參考意義The model of influence upon the parallel between servo optic axis from the angle error of installation plans presented. whereby the theoretic analysis is carried out and the analyzing results are obtained. the method of obtaining the angle error through measuring the installation plans with three - coordinates measuring device and fitting the measurement data is put forward and pave a road for lessening the influence
對安裝面角誤差影響隨動光軸平行性的問題也建立了數學模型，以此為出發點進行理論分析，給出了分析結果；提出用三坐標測量機測量安裝面，通過擬合得到安裝面的角誤差；從而為減小這一誤差源對隨動光軸平行性的影響鋪平了道路。Based on the " fangsheng - i " robot fish of harbin engineering university auv lab, at first the analysis of the relations of pectoral fin ' s attack angle and lift in vertical plane is done in this paper, using the robot fish ' s hydrodynamic results by the panel method ' s, then setting up the motion model in vertical plane is done. finally animation the robot fish ' s motion in horizontal plane is finished
論文以哈爾濱工程大學軍用智能水下機器人國防重點實驗室的「仿生? 」號仿魚機器人為對象，利用面元法計算的仿魚機器人水動力結果，並分析了垂直面內胸鰭的攻角與升力的關系，建立了垂直面內的模型，根據軸變形模擬了仿魚機器人水平面內的直航和偏航。Owing to its excellent adaptability to large angle - displacement between two transmission shafts and other characteristics such as large transmission ratio, terse mechanism, high transmission efficiency, cardan cross - pin spindles has been widely used as an important mechanical part in transport machines, metallurgy machines, petrolic machines, heavy machines, etc. as an effective and promising approach to resolve complicated development of modern software, component - based development ( cbd ) is put forward to change the present way of software development by producing software through assembling ready software components and its final target is to realize the industrialization of software development totally
十字軸式萬向聯軸器能夠很好地適應傳動軸間的較大角位移，而且具有傳遞扭矩范圍大、結構緊湊、傳動效率高、維修保養方便等特點，是一種重要的傳動部件，因此在交通運輸、冶金、重型機械等領域中得到廣泛應用。基於組件的開發是近幾年發展並日益成熟起來的一種軟體開發新方法，其核心思想是以流水線方式、通過組裝組件生產軟體，從而容易實現軟體開發的工業化。Both the methods for measuring such optical constants as cleavage angle, interference color level, extinction angle, length sign, optical sign, optic angle, pleochroism formula, absorptivity formula and the determining program for transparent minerals will be emphasized to lecture
重點講授透明礦物解理夾角、消光角、延性符號、干涉色級序、光性符號、光軸角、多色性公式、吸收性公式的測定方法和透明礦物的鑒定程序。4 ) in a pre - swirl rotator - stator cavities with discrete pre - swirl nozzles and blade - cooling entry holes, the influences of pre - swirl angle and flow parameter on the flow and heat transfer characteristics were numerically investigated. the correlation for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established. the results show that : advantage of per - swirl inflow is the effect of cooling the blade - cooling entry holes ; pre - swirl inflow increases heat transfer in rotating disk of pre - swirl chamber ; as pre - swirl angle increases, local nusselt number decreases in pre - swirl chamber ; the temperature of stator of inner rotator - stator chamber and per - swirl chamber decreases as rotating reynold number increases ; when the axial mass flowrate maintains constant, heat transfer in the rotating disk of inner rotator - stator cavities does n ' t change as per - swirl mass flowrate increases, while heat transfer in the rotating disk of per - swirl chamber increases ; when the pre - swirl mass flowrate maintains constant, change of the axial mass flowrate has effect on the whole cavity
結果表明，預旋進氣的優點在於增強了葉片冷卻孔附近的對流換熱效果，局部努謝爾數隨預旋角的增大而有所減小；隨旋轉雷諾數的增加，不論是內轉靜腔室還是預旋腔室的靜盤上的溫度都不同程度的降低：當軸向中心進氣質量流量不變時，隨預旋進氣的質量流量增加，內轉靜腔室的轉盤盤面上的換熱基本沒有變化，而預旋腔室的轉盤盤面上的換熱效果增強；當預旋進氣質量流量不變時，軸向中心進氣的質量流量的改變對整個盤腔都有影響。Recent researches extend the single axis approach to recover unknown rotation angles from uncalibrated image sequence based on a projective geometry approach. but these methods limited by the expense of computing fundamental matrices and trifocal tensors or of the nonlinear optimization involved in computing epipolar tangencies
因此，探索一種有效而簡單的演算法，求解單軸旋轉運動中的不變量和旋轉角度，是當前計算機視覺技術中的一個熱點研究課題，也是本文的研究目的和出發點。In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared
本文在已有研究成果的基礎上進一步開展了以下幾方面的研究： （ 1 ）在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上，提出了廣義雙層地基模型的概念，並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中； （ 2 ）根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式，編制了程序，調試通過並驗證了其正確性； （ 3 ）通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降，矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算，探討了雙層地基中的附加應力與沉降特性； （ 4 ）應用本文的層狀地基體系理論對一個工程實例進行了計算分析，並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析，結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。The shear mechanism, failure mode, deformation capacity, bearing capacity and the reliability of the anchored angle steels of the wrapped steel concrete cast - in - site frame typical story exterior joints under the middle and high axial compression ratio ( n = 0. 3, 0. 5, 0. 6 ), the working performance, failure mode, and the shear capacity of top story joints under the crack moment, the hysteresis characteristic and the dissipation energy capacity of the test joints are all analysed based on the 1 / 4 model pseudo - static tests of five specimens of wrapped steel concrete cast - in - site frame exterior joints, which varied in axial compression ratio, distribution of the beam angle steels and the stirrup ratio
基於上述分析，本次試驗通過五個外包鋼混凝土邊節點1 4比例模型的偽靜力試驗，以柱的軸壓比、梁角鋼布置形式、配箍率等為主要參數，分析外包鋼混凝土現澆框架一般層邊節點在中高軸壓比（ n = 0 . 3 、 0 . 5 、 0 . 6 ）條件下，節點的抗剪機理、破壞模式、變形能力、承載能力和角鋼錨固的可靠性；分析了頂層邊節點在張開彎矩作用下的工作性能、破壞模式和抗剪承載力；分析了試驗節點的滯回性能和耗能能力。The synchro / resolver signal transmit & receive card is the most important and difficult part which used special a / d and d / a ( axis angle converter ) to make conversion between the analog singnals related to angle and its digital counterpart, thus solve the issue of stimulation and test of synchro / resolver signal ， improved the test precision and automatic degree
其中同步器卡的開發是難點和重點，它採用特殊的數/模、模/數轉換器件?軸角轉換器，實現了角位-數字信號相互間的直接轉換，解決了隨動系統性能檢測中三相同步器信號激勵與同步器信號/分解器信號數字化檢測問題，有效提高了系統的自動化程度和檢測精度。Considering the characters of 3 - axes coordinate system that is not included in ship rectangular frame or inertial frame, compensation conditions are deduced through studying the effects of ship - swing. the paper studies how to transfer line velocity and acceleration in the inertial frame to angular velocity and acceleration which correspond each axis, then gives the computer function scheme. servo control scheme which can overcome ship swing and realize moving - target accurate tracking is designed according to inconsistency of radar base angle and beam angle
針對三軸軸系既非甲板坐標系又非大地坐標系的特點，既研究了船搖對正交三軸雷達系統的影響，推導實現船搖不變性的補償條件，又研究了將目標在大地坐標系中的線速度和線加速度濾波值折算到各軸對應的角速度和角加速度值的計算關系，並作出了計算機功能框圖。Cross universal coupling is mainly used for rolling machine, mining machine, transportation machine, petroleum, shipping, making paper and other heavy - duty machine, is the most common and highest efficiency gearing, it has larger transmit moment, bigger angle, more flexible rotation, longer life than the old - type plum blossom shaft, smooth piece universal shaft, and gear coupling, it s a new generation product of changing the metallurgy steel rolling equipment reconstructive technology
利用其結構的特點能使不在同一軸線或軸線折角較大或軸向移動較大的兩軸等角速連續回轉，並可靠地傳遞轉矩和運動。其最大的特點是各向位移補償能力強，結構緊湊，傳動效率高，維修保養方便。廣泛應用於冶金機械，石油機械，造紙機械，工程機械，起重運輸機械以及其他重型機械等等。Abstract : compared with the normal technique the paper introduces many advantages of the laser quenching the ductile iron crankshaft
文摘:介紹了激光淬火球鐵曲軸與常規的曲軸表面處理方法相比有許多優點，提出了一種激光淬火球鐵曲軸圓角部分掃描的新方法。It utilizes the computer digital image processing technology. and this system can measure the characteristic parameters automatically and quickly, such as luminous intensity, center of far light, corner of the close light. the advantage is high accuracy, good repetition and automatic measurement
此系統採用多維精密可調工作臺，並利用計算機數字圖像處理技術，以vc + +編程實現，達到了自動測量出被測校準器的發光強度，遠光中心坐標，近光拐點坐標以及光軸偏角等特徵參數的目的。Eight channels can sample tdc signals, crank angle signals and 4 cylinder pressure signals, two spare channels are reserved. the acquired data need to be analyzed and treated with some mathematic methods, and
軟體設定8個通道可以同時採集上止點信號、曲軸轉角信號、 1至4氣缸壓力信號，留有兩個備用通道。Consider three mutually perpendicular coordinate lines ( the -, -, and - axes ) with their zero point at a common point, called the origin. the three axes form the right - handed system, that is, if the fingers of the right hand are curled so that they curve form the positive - axes toward the positive - axes, the thumb points in the direction of the positive - axes
空間中三條相互垂直的坐標線，它們的零點相互重合，稱為原點，記為.坐標軸遵循右手法則，即以右手握住-軸，當右手的四個手指從正向-軸以角度轉向-軸時，大拇指的指向就是-軸的正向分享友人