機體結構元件 的英文怎麼說
中文拼音 [jītǐjiēgòuyuánjiàn]
機體結構元件
英文
airframe component- 機 : machineengine
- 體 : 體構詞成分。
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 件 : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
- 機體 : 1. [生物學] (有機體) organism 2. [航空] airframe
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
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With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving
在此分析過程中:首先將物理模型簡化為力學模型,主要是將塔架結構按空間桿單元簡化為空間桁架結構,目的是將力學模型變換為數學模型;這一過程主要是利用autocad2000建立塔架的計算模型;再者,利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始數據卡利用計算機進行編程進行風載計算,再將計算結論整合入algorfeas產生的初始數據卡中,生成計算數據卡;接著,利用algorfeas軟體包計算塔架在不同載荷情況下的應力圖,位移圖,並且求出在不同載荷條件下的最大位移和最大應力等;然後,對塔架的穩定性進行分析;最後;根據計算結果提出改進建議。This paper mainly aims at the characteristics of the hardware and software structure of the parallel computer on satellite, and has fulfilled researches of fault tolerant technique in three aspects of control theories and engineering : the first research of the system level fault - tolerant module is based on the system structure of the parallel computer on satellite, a kind of cold backup module and a kind of hot backup module for multiprocessor computer have been put forward. then the research of software fault tolerant technique which is based on the operate system named rtems has been carried, the mission level fault - tolerate arithmetic and the system level fault - tolerate mechanism and strategies based on the check point technique have been put forward, at the same time the self - repair technique of software which has used the technique of system re - inject has been studied. finally the technique of components level fault - tolerant based on fpga has been studied, a kind of two level fault - tolerant project which aims at the fault - tolerant module of the parallel computer on satellite has been put forward, and the augmentative of circuit that project design realization need is little, this project can avoid any breakdown of any part logic circuit of the fpga
本課題主要針對星載并行計算機體系結構及軟體結構的特點,從如下三個方面進行了容錯控制理論研究和實踐工作:首先進行了基於星載多cpu并行計算機體系結構的系統級容錯模型研究,提出了一種多cpu冷備份容錯模型和一種多cpu熱備份容錯模型;然後進行了基於rtems操作系統的軟體容錯技術研究,提出了任務級容錯調度演算法以及基於檢查點技術的系統級容錯恢復機制和策略,同時研究了利用系統重注入進行軟體在線自修復的容錯技術;最後研究了基於fpga的部件級容錯技術,提出了對容錯模塊這一星載并行計算機關鍵部件的兩級容錯方案,實現該方案所需增加的電路少,可避免板級晶元以及fpga晶元內部任何邏輯發生單點故障。The article depending on the investigation and research of jin xin chemical industry group and the analysis of the group " s external and internal environment, concludes the group " s strengths and weaknesses, defines the opportunities and threats or constraints that exits in the external environment, and on these grounds bring upped that the company ' s development target, established the group " s general strategy, according to the national chemistry industry " tenth five year period " the programming of " entering some industries and exiting from the other, doing something and not doing the other ", make sured the " chemical combination and the chemical engineering coexistence, and gradually push forward the related diversification, and build the type chemical combination conglomerate the group " of strategy direction, defines " to accelerate the internal industrial structure adjust and optimizing the product construction " which is the importance of the strategy, and established " the low cost target be in the leading and concentrate the strategy ", and formulate the group " s framework of total development strategy
文章在調查研究金信化工有限公司基本情況,分析外部環境和內部條件的基礎上,總結了金信的優勢與劣勢,剖析了企業面臨的機遇和挑戰,並據此提出了公司的發展目標,制定了企業整體發展戰略,按照國家化學工業「十五」規劃中確定的「有所為有所不為」 、 「有進有退」的原則,確定了「化肥化工並舉,逐步推進相關多元化,打造綜合型化肥聯合企業集團」的戰略方向,明確了「加快內部產業結構調整和產品結構優化」的戰略重點,制定了「低成本領先的目標集中戰略」 ,形成了金信公司的整體發展戰略框架。文章理論與實際相結合,把戰略管理理論應用於企業戰略研究實踐,對金信公司的產品結構調整、技術改造、內部改革、企業管理和未來的長期穩定發展具有一定的指導意義。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。Facing with the adjustment blemish of the market and the government, knowledge problem and market growth degree etc, the article analyzes and arguments tmsm, the investment theory of the gapsm and two - mechanism forming reason and specialty of our country, and tries to explain and answer the question of breadth fluctuation, high risk, price decision, proceeds and investment strategy etc in the gapsm. since 80 ages, a series of the important development has all taken place in the world and the economy of our country, and it produced the deep influence on the growth of the security market, and particularly the information revolution, all markets forming one body and the quick development of the derivable security product brought the unprecedented macroscopic opportunity and power to the security market ; but at the same time our security market with the structure absurdity of participators, higher risk, irregular law, closed market, the validity of supervise and no science of market regulation does not accommodate to the macroscopic environment and so our country security market needs a new set of security theory with environment. according to the macroscopic and microcosmic environment, this article defines that our country security market is both a gapsm and the initial stage of the gapsm
上世紀80年代以來,世界和我國經濟都發生了一系列重大的變化,對證券市場的發展產生了深刻的影響,尤其是信息革命、市場一體化和證券衍生產品的迅速發展,給證券市場的發展帶來了前所未有的宏觀機遇和動力,而同時我國證券市場參與者結構的不合理、較高的風險、不規范的法律、市場的不開放、監管的不完全以及不科學的市場調控等微觀市場環境條件與此宏觀環境並不適應,從而我國證券市場需要一套適應環境變化的股票理論;本文就是以這一宏觀環境和微觀條件為依據,把我國證券市場定義為既是政府主導型證券市場又是市場初期;並對我國證券市場二元制產生的原因、特點及特殊性進行了分析,並通過我國政府調節的實例進行了論證,並對投資理論和投資策略進行了研究,這對控制我國證券市場的高風險以及獲取收益都具有重大意義。At first, according to the concrete requirement of the servo control system, a collective scheme, which provide guarantee to meet the requirements of the global performance, is established. in this scheme, the structure of gimbal and the torque motor driven mode are adopted, and angle measurement is accomplished by inductosyn and velocity measurement is accomplished by dynamically tuned gyro respectively
首先,根據目標真值測量設備伺服系統的具體要求,確定了地平式常平架結構,力矩電機驅動,分別採用動力調諧式速率陀螺儀及圓盤式感應同步器作為速率及位置反饋元件這一總體方案,為伺服系統滿足整體性能指標要求提供了保證。By thorough analysis and synthetize this paper made a frame of the system of intelligent instrument and its hardware structure. as followed, this paper depicted design details of intelligent instrument " s hardware, it included the design of interface circuit, data commutations and digital logic of dsp, mcu, internet ' s chip and isp ' s apparatus etc., and have designed schematic map and circuit. so it accomplished the full design of hardware / software of the new type intelligent instrument
本文具體給出了新型智能儀器硬體結構及實現,描述了智能儀器硬體設計細節,包括數字信號處理器、單片機、 internet接入晶元、可編程數字/模擬器件等在新型智能儀器中的介面電路設計、數據通信設計和數字邏輯設計等,詳細地給出了設計原理圖和電路圖;給出了新型智能儀器的軟體設計細節,從而完成了新型智能儀器完整的軟硬體設計。In chapter 1, the magnetostrictive mechanism of the giant magnetostrictive materials and the main features of the materials are introduced briefly, and the research background including the materials applications in abroad and home is given. furthermore, the problems existing in the update applications are pointed out. especially the various applications of the magnetostrictive material in fluid power - transmission and control are also introduced
本文從超磁致伸縮材料的主要特點及其應用概況出發,以國產的超磁致伸縮材料為基礎,進行了超磁致伸縮電?機械轉換器的結構及在流體控制元件中應用的研究,探討了超磁致伸縮電?機械轉換器常用的熱補償方法,並結合流體控制元件的具體特點,採用熱補償管進行熱補償。The piezoelectric actuator becomes one of the most prospective components because of its outstanding advantage. but the hysteresis and creep character of the material restrict the development of this actuator. new stable characteristic tungsten bronze piezoelectric actuator was adopted as driving component in this article, we develop the anti - hysteresis control method through contrasting the crystal structure of the tungsten bronze actuator with which of the perovskite actuator, at the same time corresponding software and hardware were studied in order to prove the validity of this control method, and then demarcated the other characters of the actuators through lots of experiment results
本研究選用了性能穩定的硬性鎢青銅型壓電陶瓷驅動器作為驅動元件,從壓電陶瓷驅動器遲滯產生的微觀機理入手,通過對比硬性鎢青銅型壓電陶瓷驅動器和軟性鈣鈦礦型壓電陶瓷驅動器的晶體結構,研製出壓電陶瓷驅動器抗遲滯驅動方法,設計了相應的軟硬體裝置以從實驗結果上證明這種方法的正確性,並對其他影響定位精度的因素進行了特性標定實驗。This series gearmotor consist of square gearbox and ac indution motor, suitable to use as driving element on low speed transmission units
本系列為交流異步電動機與方箱齒輪組合為一體的減速電動機,適用於低速傳動裝置中作為驅動元件能起到簡化機械結構,降低成本和降低能耗的作用。This thesis, on the basis of modern theories of vibration, ked analysis and finite element method, sets up a kinetic model of piston - linkage mechanism of diesel engine, by i - deas software of sdrc usa, which involves the effect of joint clearance in mechanism. by the presumption of " transient structure " in ked analysis, the mechanism " s dynamic responses in every transient structure conditions are calculated, and it provides a reliable theory basis for the optimization design of diesel engine
本課題基於現代機械彈性動力學理論以及有限元分析方法,利用美國sdrc公司的- deas軟體,對含運動副間隙的柴油機的活塞、連桿機構建立了動力學模型;運用ked分析中的「瞬時結構」假定,計算出了機構在各瞬時結構條件下的動態響應,從而為柴油機優化設計提供了可靠的理論依據。In this paper, the load status for different shafts is analyzed after introducing their structures, and the several dynamic models are established under analyzing the status of load. the strength of the shafts is calculated with three - dimensional finite element method by ansys software. the mesh generation is automatic, and we use the method to generate 10 - node or 20 - node elements
本文在分析潛油電泵機組具體結構特點的基礎上,對不同類型的軸類零件做了受力分析,根據分析需要建立了不同的力學模型,並應用三維等參數單元法對軸類零件進行了強度分析和計算。Against with the tower body which is main structure of construction hoist ’ is made of many bar, adopting the finite element analysis software sap84 to analyze the distortion and force condition of the tower body when the construction hoists works
針對由眾多桿件組成的施工升降機的主體結構塔身,採用有限元分析軟體sap84對其在工作過程中的變形及應力情況進行了分析。By using finite element simulation and experiments, a deep study is carried out on the mechanism, the prediction method and the variation tendency of the milling distortion. the work in this dissertation can provide a basis for the distortion control of the monolithic multi - frame components
本文採用有限元模擬與試驗研究相結合的方法,對航空多框整體結構件的銑削加工變形機理、預測方法以及變化規律開展了深入的研究,為該類結構件加工變形的控制奠定了基礎。The universal process which was expressed in a computer software project with the object - oriented programming technology and methods was analyzed and concluded systematically for mineral resources synthetic assessment and metallogenic prognosis. furthermore, the gis - based mineral resources assessment system was divided in detail after demand analysis and structural design into six functional modules : the files input module, gridding partition module, spatial analysis module, intelligentized extracion of geologic variables module, orientation prediction module and attribution management module
文中系統分析與總結了礦產資源綜合評價及成礦預測的通用工作流程,採用面向對象的軟體工程技術和方法,將礦產資源綜合評價工作表達為計算機軟體工程,並在完成礦產資源gis評價需求分析和總體結構設計的基礎上,詳細劃分出系統的六大功能模塊:文件輸入模塊、評價單元劃分模塊、空間分析模塊、地質變量智能提取模塊、定位預測模塊和屬性管理模塊。In the course of design the press machine tool fitting the valve guide tube onto the vehicle engine, it found necessary to design a special - purpose electric resistance strain gauge, which, considering the structure of the machine tool, is expected to send pressure numerical data to the control system of the machine tool
根據汽車發動機壓導管專機開發研製的工作要求,並從機床設計具體結構考慮,需要設計專用電阻應變式力傳感器為機床的控制系統提供壓力數據信號。電阻應變式力傳感器的設計重點在於彈性元件的設計。In addition, the structures of four track concrete paver and milling machine are analyzed on static strength and buckling by use of this software. the finite element analysis results can be of great use for verifying the security of loads and the economization of material. the results also present a proposal to design the structure reasonably
此外,本論文還利用上述軟體對具有國際先進水平的四履帶水泥混凝土攤鋪機和四履帶銑刨機中的構件進行了靜強度分析和屈曲分析,有限元分析結果為校核其承載的安全性及合理用材提供了理論依據,同時提出了結構設計方面的合理建議,本論文的研究方法和分析結果對機械結構強度分析具有很好的參考價值。The fe analysis and calculation have been done through the finite element software cosmos to the newly developed elbow link - style cnc punching machine with researching in the deformation and the stress distribution of the body in the nominal pressure stroke and the influence of the structure towards the stress and the strain of the body
摘要運用cosmos有限元軟體對新開發的肘桿式數控沖床的機身進行有限元分析與計算,研究其在公稱力下機身的變形和應力分佈情況,並分析構成機身結構主要部件對機身應力應變的影響。Computer control system sureness of scheme : choose the peripheral component at first, design the structure of the hardware, and write the software according to the standard of operating, then test repeatedly, take the anti - interference measures of hardware and software
微機控制系統方案的確定:首先選擇外圍元件,設計硬體結構,並且依據操作規范編寫軟體,然後反復試驗,採取了很多硬體和軟體的抗干擾措施。According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed
在對其結構特點和運動規律分析的基礎上,本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具,以單片機為控制核心,以超聲電機為驅動元件,以高精度光電編碼器作為速度和角位移檢測裝置,實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合,也為降低成本,簡化控制裝置,推動新型護理機械臂短期內應用推廣的需要,以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件,用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統,實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用,設計了簡單的手指機構並利用labwindows / cvi開發環境,以及智能材料驅動器? ?層疊式壓電驅動器,進行了手指的抓取以及對驅動對象的轉動控制。分享友人