機床動力學 的英文怎麼說
中文拼音 [jīchuángdònglìxué]
機床動力學
英文
electrical control of machinery tools-
The mechanical behavior of articular cartilage is essential for the research of movement mechanism, load carrying capacity and pathology of diarthrosis and has great significances and practical values for the treatment and diagnosis of arthropathy as well as the development of artificial articular materials
關節軟骨力學行為的研究對動關節的運動機制、承載能力和病理研究等至關重要，對關節病的治療、臨床診斷以及人工關節材料的研製具有十分重要的理論意義和實用價值。Virtual axis machine tool ( vamt ) is characterized by the simple structure, high rigidity, large load handling capacity, and non - accumulation of position error. as the supplement of series machine tool ( smt ), vamt has become the focus of research in machine tool, and plentiful research achievements have been acquired in mechanics, kinematics, dynamics, but few in kinematic control
虛擬軸機床具有結構簡單、剛度大、承載能力強、位置誤差不積累等特點，在應用上與串聯機床成互補關系，現已成為機床領域的研究熱點，並在機構學、運動學和動力學研究上取得了大量成果，而對運動控制的研究非常少。Pvp - i is from coming out to the present, the scientists of various countries prepare, the research of form of a drug, structure analysis, research of pharmacology, toxicity, medicine supersession, sterilization mechanism and dynamics through chemistry, is it have pvp - i only to be security most high to prove, recognize as at supporting clinical only using as human skin disinfectant of mucous membrane extensively
Pvp - i從問世至今，各國科學家通過化學制備、劑型研究、結構分析、藥理、毒理、藥物代謝、殺菌機制及其動力學的研究，證明唯有pvp - i安全性最高，公認為唯一可供臨床上廣泛用作人體皮膚粘膜的消毒劑。The paper discusses dynamical conditions of the supercritical ore - forming fluid system based on study of regional geological background and analyses of physiochemical conditions of ore - forming process and puts forth the ore - forming mechanism : upper mantle uplift - mingling of meteoric water and magmatic hydrothermal fluid separated from acidic magma under tensile or transitional tensile environment - water / rock reaction - transportation - chemical coupling ore precipitation
在分析超臨界成礦流體系統形成的區域地質背景和研究成礦物理化學條件的基礎上，探討了超臨界成礦流體系統形成的動力學條件，提出該系統的成礦機理：與燕山晚期酸性火山侵入巖漿有關的金銅礦床是在上地慢隆起、張性或向張性過渡背景下形成的，酸性巖漿經熔體流體分離作用形成的巖漿熱液與大氣降水混合，經水巖作用等復雜的輸運和化學反應耦合過程的動力學產物。The principle and the mechanical structure of the air - gap inductance - type transducer are analyzed in this article, and the static parameters are calibrated. dynamic calibration is applied to air - gap inductance - type transducer which is not good in dynamic capability, to obtain the dynamic parameters of the transducer and its measuring circuit. based on the result of the dynamic calibration, the transducer and its serving circuit are modeled so that the method of how to improve the dynamic performance can be found
本文對現有氣隙式電感傳感器在原理和機械結構上作了深入的分析，對其參數進行了靜態標定；並且針對常規電感傳感器動態響應低，不宜用於快速動態測量的缺點，引入測試系統動力學的思想，設計了一套動態校準系統，對現有傳感器進行多次動態校準，根據動態校準的實驗結果對現有傳感器建立數學模型，得到現有傳感器的動態特性；在此基礎上，根據磨床工件在線檢測的要求，設計一個硬體補償系統來提高整個測試系統的動態特性。The situation and development of domestic and foreign manufacture, especially in the europe, america and asia, have been summarized and researched in the article, so the following work has been finished, and the conclusions and results are obtained as follows : through analyzing the features of movement, power and construction for the high - speed cnc gear hobbing machine in 6 - axis with four coordinated, the design methods of general arrangement, kinetics and kinematics are put forward. 1. by analyzing the severe challenge to the machine manufacture in the market, developing and managing methods of serial modular products are posed
為了給我國汽車工業和其它行業提供先進的齒輪加工設備，本文在總結、研究國內外特別是歐美國家齒輪機床現狀與發展的基礎上，進行了以下研究工作，並得出相應的結論與成果：分析了六軸四聯動數控高速滾齒機的運動、動力、結構特點，提出了六軸四聯動數控高速滾齒機的總體布局設計、動力設計、運動學設計方法；分析並根據市場對機床製造業提出的嚴峻挑戰，提出了數控滾齒機系列產品的模塊化開發方法與管理方法；在分析了六軸四聯動數控高速滾齒機模塊化設計的技術先進性與經濟性間辨證關系的基礎上，提出了產品開發過程中以邊際成本法進行經濟分析的方法。Based on the analysis of the structure and vibration of hcm - i submicro cnc ultra - precision turning machine, the mechanical model of active vibration isolation system is set up in the paper
摘要本文以hcm -型亞微米超精密車床為研究背景，在分析了機床結構與振動的基礎上，建立了機床主動隔振系統的力學模型。Dynamic modeling methodology for a tripod - based parallel machine tool
一類並聯機床整機結構動力學建模方法研究On the base of model, considering the disturbance from the other 5 legs and variating load, we design an h - inf controller integrated with ip controller, which makes the system with the advantage of both h - inf control and ip control, and restrains the bad effect from variating disturbance. the simulation shows that this stradgy enhances the system robustness. in another solution, the coupling and load disturbances are regarded as the parameter variations of motor model, and the variation is observed, thus, the coupled dynamics of vamt is decoupled to 6 single motor systems
在建立了模型的基礎上，本文針對單滑塊控制系統要受到其它滑塊及負載擾動的影響，採用h _控制方法設計的h _控制器與傳統ip位置控制器結合，使得系統具有ip位置控制器和h _控制的雙重優勢，有效地抑制了變化擾動對位置輸出的影響，模擬結果表明該方法大大提高了系統的魯棒性；本文提出的另一種方案是將桿間的耦合作用和負載擾動看作電機參數變化，利用觀測器進行觀測，從而將耦合的機床動力學系統解耦成為6個獨立的電機動力學系統。This paper has studied the drying dynamics experimental law of vegetable seed respectively in a fixed bed and a spiral vibrofluidized bed model dryer and simultaneously analysed seed physiology variation characteristics, and thereupon expounded the mechanism of vegetable seed heat and mass transfer enforcement, developed a spiral promotion vibrofluidized bed dryer for vegetable seed dehydration with high efficiency and good quality, energy saving
綜合工程熱物理和種子生理的研究方法，選用白菜與菜豆種子在固定床與振動流化床中進行了乾燥動力學實驗研究以及種子生理的同步測試，闡明了蔬菜種子乾燥的強化傳熱傳質機理，並在此基礎上研製了輻射-對流-導熱-振動綜合傳熱的優質、高效、節能的螺旋提升振動流化床蔬菜種子乾燥機。Base on the tread of thinner wall and lighter moving part, a theory of designing nc is introduced in this paper, it is a new modeling method called ? eature model based on middle plane
基於數控機床大多採用薄壁結構和運動部件輕量化的趨勢，針對數控機床的造型、力學性能分析、優化等設計過程的各方面，本文提出了基於中性面造型技術的一套理論。In this dissertation, the development survey, research actualities and application prospect of vamt are introduced at first, and the models of kinematics, dynamics and linear motor servo are analyzed then. currently the dynamics model is complex or established mechanically, which restricts the study of control theories. thus this dissertation present a simple and easy - realized control idea, namely, the fore and torque of every leg determined by the inverse - solution of mechanics are regarded as changeable load force ( disturbance ) applied in motor, the elongation of the leg or displacement of sliding is regarded as the output of linear servo system
本文首先介紹了虛擬軸機床的發展概況、研究現狀和應用前景，然後對其運動學、動力學、直線伺服系統模型進行分析，針對目前動力學模型過于復雜或完全從機構學角度建立不便於控制的問題，提出了簡單、易於實現的控制思想，即將虛擬軸機床的動力學方程反解所確定的各桿受力（矩）視為電機的可變負載力，以桿長伸縮量或滑塊位移為伺服系統輸出，從此構成位置閉壞，實現軌跡跟蹤控制。The analysis of dynamics characteristic of shaft rotor in high spindles is one of the important contents that directly decide the designing function of shaft. the dynamic characteristics have immediate effect on the manufacturing precision and efficiency, the lives of bearings, as well as working of the key components
高速軸系的轉子動力學性能的分析設計是直接決定主軸性能設計的一項重要內容，主軸的轉子動力學特性對機床的加工精度和效率、主軸軸承的壽命和其它關鍵部件的正常工作等方面都有著至關重要的影響。Nurbs curve interpolation algorithm with the adaptation to machine tool kinetic character
曲線機床動力學特性自適應直接插補Based on the hydrodynamic theory, the riverbed deformation process of all reservoir area during long duration is investigated by using of computer numerical simulation. in the meantime, based on one dimensional sediment model, the simulation of the longitudinal scouring and sedimentation and lateral deformation in reservoir tidal flat and mainstream are researched. the quasi - two dimensional sediment numerical model forecasting longitudinal scouring and sedimentation and lateral deformation in reservoir and river are established
應用水動力學理論，以計算機數值模擬為手段，主要考慮長歷時全庫段的河床變形過程，在一維泥沙數學模型基礎上，同時考慮水庫灘槽縱向沖淤和橫向變形的模擬，著重建立可以預測水庫及河道縱向沖淤及橫向變形的準二維泥沙數學模型。Conclusions ? clinical outcome of patients with significant mr after pm aried according to mr mechanism and the adequacy of hemodynamic improement, which is easily assessed by echocardiography immediately after pm
結論：經皮二尖瓣成形術后嚴重二尖瓣關閉不全患者的臨床結果因mr機制和血流動力學改善的程度的不同而異，這種血流動力學改善的程度的不同可以在經皮二尖瓣成形術后立刻通過超聲心動圖檢測。The stenosis degree and the bifurcation angel can vary at will according to any requirements specified, the universal program was set up, which can be developed into an individual oriented, real - time and clinically practical program to provide more valuable reference for the surgeon in the clinical diagnosis and disease prediction
因此，本項目有著良好的應用前景，它不僅可以提供動脈粥樣硬化形成和發展的血流動力學機理，而且可以形成動脈粥樣硬化血流動力學參數的檢測和分析方法，可進一步應用於動脈粥樣硬化的臨床診斷。The deformation intensely mechanism is the main kinetics and kinematics mechanism, which controlled the gold mine bed ' s form
強烈的變形構造機制是金礦床形成的主要動力學、運動學機制。Our main products are complete sets of equipment, universal machinery. mining & transport machinery, mining & smelting machinery, light industrial & agricultural machinery, motors & generating sets, machine tools & accessories, electric & electronic products, optical instruments, meters & instruments. valves, bearings, casting & forging parts
外貿業務：各類機械成套設備、通用機械、工程和運輸機械、礦山和冶金機械、輕工和農業機械、動力和發電機械、機床及機床附件、電工、電子產品、光學儀器和各種儀器儀表、閥門、軸承和鑄鍛基礎件。2. to observe the effects of quiet and resistant respiration on hemodynamics in normal man and and to establish the normal values of this effects and to verify the new proposal of the mechanism of respiratory effects on hemodynamics from clinical point of view. 3
觀察正常人平靜呼吸及阻力呼吸時胸壓變化對血流動力學的影響，從生理及臨床角度驗證我們提出的呼吸影響心功能機制新假說，同時為建立我國正常成人呼吸性血流速度波動指數（ rvi ）范圍提供參考； 3分享友人