摩擦力控制 的英文怎麼說
中文拼音 [mócālìkòngzhì]
摩擦力控制
英文
friction pressure control- 摩 : 摩構詞成分。
- 擦 : 動詞1 (摩擦) rub 2 (用布、 手巾等摩擦使干凈; 揩拭; 抹) wipe; scrub; clean 3 (塗抹; 搽) spre...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 摩擦力 : dynamical friction
- 摩擦 : 1 (互相接觸的兩物體作來回相對運動) rub; chafe 2 [物理學] (相互接觸的兩物體在接觸面上發生阻礙相...
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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In the end, the stability is discussed under the coulomb friction model, getting the normal force compensation method and the additive vibration control method, which are to stabilize the friction drive system to realize the controllability and stability, which is simple to realize in the micro manipulator
並通過對coulomb摩擦模型的穩定性討論,得出正壓力補償控製法,即以穩定摩擦力驅動摩擦振子實現微操作手運動的可控性及穩定性的方法分析。通過數值方法驗證正壓力補償控製法的適用性,為微操作器的運動控制提出可行方法。The drive principle of the spherical manipulator based on friction is studied, and simplified to be a two - mass oscillator model, though which the dynamics characters, optimization, frequency respond, and the control strategy is studied. firstly, based on the former experiment, the investigation is on the dynamic characters of the friction drive principle
論文將對球基微操器的摩擦力驅動原理做深入分析,將其簡化為二元摩擦振子模型,通過對二元摩擦振子性質的討論,對應用摩擦力驅動原理的球基微操作器的運動狀態,動力學特徵,優化設計,頻響問題以及控制方式進行深入分析。Since the preload and the friction moment of the geminate bearing are dominating factors affecting the performance of the navigation platform frame system, based on theoretical study on the control methods of bearing ' s preloads and frictional moment, the paper puts forward a method to control the preload of the twin bearings accurately. moreover, a multifunctional test apparatus of the navigation platform bearing is designed, and a lot of experiments of bearing ' s rigidity and friction moment and preload assessment are done
考慮到成對軸承預載荷和摩擦力矩是影響導航平臺框架系統性能的主要因素,本論文對成對軸承預載荷及摩擦力矩控制技術進行了理論研究,提出了一種精確控製成對軸承預載荷的配對方法,設計了導航平臺軸承多功能測試儀,並對導航平臺軸承的剛度、摩擦力矩和預載荷評定技術進行了試驗研究。By analyzing and experimentally verifying the model, new ways of improving mixer performance were put forward. ( 1 ) heat water should be used in the mixer ' s temperature control to make the mixer work with optimal parameters. ( 2 ) the surface materials of the mixing chamber and rotors should be chosen rationally to change material surface energy and increase friction on them. ( 3 ) when the compound was processed under higher pressure of floating weight, shallow groovers or stripes parallel to the axle of the rotor should be made on the mixing chamber internal wall to increase the real contact area and improve mixing effect
通過對模型的分析和實驗驗證,提出了提高密煉機混煉效果的新途徑: ( 1 )密煉機溫度控制採用溫水冷卻,使密煉機處于最佳工作狀態; ( 2 )通過合理選擇密煉室和轉子表面材料以改變材料表面能來增大膠料與它們之間的摩擦力; ( 3 )在上頂栓壓力較大的條件下,在密煉室內壁與轉子軸線同方向加工淺的光滑槽可明顯改善混煉效果。The series equipment versatillty, its performance had achieved the international advanced level, is at present is most effective, the practical reliable crushed stone machine, is suitable specially for the manufacture grinding compound, fireproof the matreial, the cement, the quartz sand, the emery, the stove are cut broken glass the power, the copper ore, the concrete aggregate and so on many kinds of, the crisp materials on the control granulated substance machine energy conserva tion 50 %, is in the present world system qranulated substance equipment
物料由機器上部垂直落入高速旋轉的葉輪內,在高速離心力的作用下,與另一部分以傘狀形式分流在葉輪四周的物料產生高速撞擊與粉碎,物料在互相撞擊后,又會在葉輪和機殼之間以物料形成渦流多次的互相撞擊、摩擦而粉碎,從下部直通排出,形成閉路多次循環,由篩分設備控制達到所要求的成品粒度。The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed
研究表明,採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料,軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參數;試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著;超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比,斷裂強度和延伸率均有一定程度的增強;超細晶ly12的熱膨脹系數在550左右發生明顯的變化。As for single axis, pewin, the software given by the programmable multi - axis controller ( pmac ), is used to find the best parameters of the pid controller and feedforward compensation controller. then, the nonlinear friction in the system is compensated by the friction compensation controller with genetic algorithm ( ga ). the compensation controller can improve the system performance effectively
對于單軸系統首先利用美國deltatau公司的可編程多軸控制器pmac自帶的控制軟體pewin進行pid參數的整定以及前饋補償環節的參數整定,然後分析系統存在的非線性摩擦力,利用遺傳演算法尋優摩擦力補償環節的參數,達到補償摩擦力的效果,有效地提高了系統的控制性能。Taking the 718 model gimble as an object, the paper focuses on the influences of the nonlinear friction moment and the motor torque wave to the system ' precision at low speed first, then, makes the theoretical analysis and simulation. the experimental verification is carried out in the 718 model for the effectiveness and feasibility of the discussed compensation methods. the low speed properties and the main reasons for the jitter are analysed
本文以718模型轉臺為研究對象,針對伺服系統低速工作時影響其精度的非線性摩擦力矩、電機波動力矩,從理論上進行了一系列的分析和模擬研究,討論了低速補償方法,並在718模型轉臺伺服控制系統中實驗驗證了補償方法的可行性和有效性。The autonomous underwater vehicle which carries liquid oxidizer and liquid incendiary agent and uses the outside seawater as coolant request the oxidizer 、 incendiary agent and coolant can supply the power system according to accurate proportion and reasonable flow on any condition. the system should have small volume and light weight and should be easily realized. the system and control mode introduced in this article can fit these requirements well
控制或降低液壓系統油液的污染度和提高液壓元件的污染耐受能力是確保液壓系統可靠工作的兩個重要方面,本文分析了液壓柱塞泵所在系統油液污染特性一定時影響泵污染耐受能力的諸多因素,指出了在結構形式確定的條件下設計高污染耐受度液壓柱塞泵所要求的摩擦副材料與主要表面工藝Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd
本文採用原位反應法制備了cu -納米tib _ 2原位復合材料,在此基礎上分析了原位復合材料的微結構,進行了干滑動摩擦磨損和電接觸滑動磨損實驗,完成的主要工作如下:從熱力學的角度出發,分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱力學條件,並用電解銅、工業純鈦、 b _ 2o _ 3 、 c (還原劑)以及cu - ti 、 cu - b等合金為原料,通過控制適當的反應溫度、反應時間和快速凝固等工藝手段,制備了cu -納米tib2原位復合材料。16 thousand kn j53 - 1600c model double - disc friction spiral press owns the same basic parameters as j53 - 1600a model and its electric controlling, steering and using are the same as j53 - 1600a model
J53 - 1600c型16000kn雙盤摩擦螺旋壓力機基本參數與j53 - 1600a型完全一樣,電氣控制操縱使用也相同。This article has primarily analyzed the reason of the influence of the third generation of long drafting technology on the product quality, holding that by use of the third generation of long drafting technology, the friction force of the nips is increased, the floating fiber is effectively controlled, fiber speed changing point goes forward and fiber movement is more stable which lead to the improvement of product quality with obvious reduction of thin or thick places and neps
摘要對細紗機第三代大牽伸工藝影響產品質量的機理進行了分析,認為採用第三代大牽伸工藝后,鉗口的摩擦力界得到增強,浮遊纖維得到有效控制,纖維變速點集中而前移,纖維的運動更趨平穩,產品質量有所提高,特別是每千米細節、粗節、棉結明顯下降。Taping tension control by mechanism friction and can adjust
7繞包張力機械摩擦控制,可以調節。User can chang it freely. the signals sampled on hardware interrupt assure the real - time property and control reliability. chapter 4 first analyzes the basic characteristics of electropneumtic proportional / servo cushioning controlled system, especial study the influence of the valve dead zone, system friction and saturation phenomenon
第四章首先將電-氣比例伺服控制引入到緩沖控制中,分析了系統被控對象的基本特性,著重分析了氣源壓力變化、閥口死區、系統摩擦力特性和氣路飽和現象對控制系統的影響。Complete h bridge driving circuit is achieved to drive motors in the hardware design of robot ' s driving and control system. it adopts pwm digital signal as its control signal. this kind of circuit has some advantages, such as economical, room saving, good resistance against noise
在機器人驅動控制系統的硬體設計部分,實現了pwm全數字控制的全h橋式多電機驅動電路,它不但具有經濟、節約空間、抗噪能力強的優點,而且有效地消除了電機靜態摩擦死區,低速平穩性好。This switch changes specific traction control and differential settings in accordance with the tyres being used - grooved, intermediate or wet - to account for the different levels of grip provided by each type
這個按鈕用來更改循跡控制系統特定的部份,以符合所使用的輪胎:磨過的胎、半雨胎、或是雨胎,這些設定將配合不同類型輪胎所產生出來不同的摩擦力作調整。In order to realize smooth movement of mechanical system at a low velocity, the following work investigates new types of linear ultrasonic motors and antifriction technique by superposing the motor ’ s elliptical vibrating motion at the friction interface to change frictional characteristics, produce ultrasonic lubricant effect and realize active control of friction force
本文研究新型超聲波馬達,利用其產生於摩擦界面的橢圓軌跡超聲振動引起的潤滑效應和摩擦接觸行為的改變來減小摩擦力的大小,完成對摩擦力的主動控制,實現機械繫統的低速平滑運動。In this paper, taking thewh20s flight simulator as research object, application of variable structure control for flight simulator is discussed. first, based of researching the flight simulator ’ s control system, and the problems in the flight simulator ’ s low - speed performance, continuous time variable structure control is researched. then, the paper analyses the non - linear factors ’ effect especially the friction factor ’ s effect to the flight simulator
首先在分析轉臺的控制系統以及轉臺在低速時存在問題的基礎上,研究了連續時間系統的變結構控制,分析了非線性因素特別是摩擦力矩對轉臺的影響,並對lugre摩擦模型做了研究,繼而將pid與變結構控制結合起來進行了研究,在模擬的基礎上應用於wh20s轉臺的實際控制系統,取得了較好的效果。There are different nonlinear factors in the double - axis control system, such as friction 、 saturation. these nonlinear factors result in control error, such as track error
伺服系統中存在著各種非線性因素,如摩擦力、飽和等,這些非線性因素導致控制的誤差,如跟蹤誤差,影響控制的性能。Chapter four first researches the structure design of computer control samrt cushioning system and the signal processing. then mainly studies the design of pid / pdf control algorithm and their parameters tuning. finally analyzes the basic characteristics of electropneumtic proportional / servo trace controlled system, especial study the influence of the valve dead zone, system friction and saturation phenomenon
第四章首先研究了計算機控制智能緩沖系統的結構設計、信號處理;然後重點研究了pid 、 pdf控制演算法的設計及其參數整定;最後研究分析了控制系統的基本特性,著重分析了閥口死區、系統摩擦力和氣路飽和特性等對系統控制性能的影響。分享友人