行車速率 的英文怎麼說

中文拼音 [hángjūsùlǜ]
行車速率 英文
driving speed
  • 行 : 行Ⅰ名詞1 （行列） line; row 2 （排行） seniority among brothers and sisters:你行幾? 我行三。where...
  • 車 : 車名詞1. （中國象棋棋子的一種） chariot, one of the pieces in chinese chess2. （國際象棋棋子的一種） castle; rook
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 行車 : 行車train working; drive a vehicle行車安全 driving safety; 行車里程 mileage; distance travelled b...
  • 速率 : speed; rate; tempo
  1. The frequency curve of transverse distribution of the wheel track on divided ways reveals that the frazzled damage of highly channelizing expressway cement concrete pavement largely occurs in the peak range of distribution curve of the wheel track

    摘要分車道行駛輪跡橫向分佈頻率曲線顯示，渠化程度較高的高速公路水泥混凝土路面磨損破壞主要集中在行車道輪跡峰值范圍。
  2. They include : a aluminium tank for underwater weighing, spirometers, an on - line data acquisition system for evaluating respiratory gas exchange, a heavy duty, over - sized treadmill, mechanically braked and electrically braked cycle ergometers, automated blood chemistry analysers, telemetry heart - rate monitors, core temperature monitoring system, and ibm compatible and macintosh computers

    這些儀器包括水下稱重測試系統、肺活量計、即時呼吸系統分析儀、加長跑臺、功率自行車、自動血液生化分析儀、遙感心率表、體內核心溫度監測儀、 actigraph加速度計、 mrx標儀、以及相應的電子電腦設備。
  3. As automobile running velocity ' s great increase and road traveling consistency ' s rapid accretion, the happening ratio of traffic accident has ascended continuously. wholly and reliably improving automobile ' s active safety performance offers the challenge for automobile designer and researcher as an impendent and difficult task

    隨著汽車行駛速度的顯著提高和道路行車密度的急劇增大，交通事故的發生率逐年呈上升趨勢，所以全方位、可靠地提高汽車的主動安全性能就成為擺在汽車設計、開發及科研人員面前一項緊迫而艱巨的任務。
  4. Intended running speed

    期望行車速率
  5. Vehicles must not exceed the average local speed limit and must stop in a deserted area or along the roadside under surveillance every two hours to rest, and change drivers every three hours

    一除不得違反道路行車速率外，行車一至二小時，應停車于曠野路旁休息，並施行警戒，行車四小時以上，應停車更換駕駛人。
  6. The model developed previously is used in calibrating the threshold value of both comfort level and convenience index of roadway alignment, and in developing safety analysis model for some existing black spots

    本文在大量行車實驗數據的基礎上，分析得到如下成果: 1 ）在平曲線半徑上定性、定量的分析了加速度、速度與心率增長率的變化關系和模型。
  7. In this task, a test _ bed for engineering vehicles was developed based on virtual instrument. the whole system comprised 5 parts : the checking of running velocity, which was gotten on the test bed through the vehicles simulating real road running ; the temperature checking of the important points on the transmission system ; the temperature checking of the circling cooling water on the exit port of dynamometers ; the control of the loading power. which was given to vehicles by the power measuring machine ; the control of the total test - run time

    本課題開發的基於虛擬儀器的工程機械跑合試驗臺，其測量和控制參數有：行駛速度檢測（車輛在跑合試驗臺上模擬路面的行駛速度） ；傳動系溫度檢測（試驗車輛傳動系主要部位多點溫度） ；冷卻水溫度檢測（測功機循環冷卻水出口溫度） ：加載功率控制（測功機施加給車輛的載荷） ；跑合時間控制（試驗車輛在試驗臺上加載跑合的總時間） 。
  8. This paper is based on the working theory of anti - lock braking system, the properties of fuzzy control, the modelling for vehicle system and vhicle tyre. by using of wheel speed sensor, the gather of wheel speed is practiced by filter, amplier, modifying of wheel speed. based on the wheel slip ratio of abs. given vehicle speed and wheel speed, the wheel slip ratio is computed. the error and error change ratio of slip ratio is obtained by given refering slip ratio. which is the input of fuzzy control which comprises of input fuzzy

    本文根據防抱死制動系統的工作原理，模糊控制的性能特點，車輛系統模型及車輪輪胎模型，利用輪速傳感器，對輪速進行濾波、放大、整形等實現了車輪速度的採集。採用基於車輪滑移率的防抱控制理論，根據車速、輪速來計算車輪滑移率。由參考滑移率計算出滑移率的誤差、誤差變化率並作為控制器的輸入變量完成了模糊控制的模糊化、模糊推理、模糊判決。
  9. We also analyze the influence of the boundary condition 、 safety distance and deceleration probability to the traffic flow. finally, we propose an crossroad modle. this model is made up of one main road and one branches ： traffic with lights placed on the crossing, vehicles " breaking while running and turning to other direction while jamming. we investigate the velocity and flow of the model when the initial density, the brake and turning probabilities, the green to signal ratio are changed. then the reasons causing all the kinds of phenomena are analyzed

    最後研究了周期性邊界條件下的十字路口的ca模型，該模型由一條主幹道和一條支道組成，在幹道與支道的交叉路口設置紅綠燈，車輛在運行中對突發事件發生反應的剎車，路口的車輛可以轉向等各種實際交通行為，並通過計算機模擬，研究模型在改變車輛的初始密度、剎車概率、轉向概率、紅綠燈信號的綠信比等各種情況下支、主幹道車輛的速度、流量的變化，並分析在各種情況下交通狀況的成因，提出改善交通的有效措施。
  10. Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research

    接著，建立了和研究了二維二速的主幹道模型，該模型模擬了城市交通中一條主幹道，多條支道的交通情況，在幹道與支道的交叉路口設置紅綠燈，車輛在運行中可以有對突發事件發生反應的剎車，在發生堵塞時，路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生，給出了車輛演化的演化方程，並通過計算機模擬，研究模型在改變車輛的初始密度、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的速度、流量的變化，並分析在各種情況下交通狀況的成因，提出改善交通的有效措施。最後，在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下，將此法推廣到對二維bml模型的模擬上，得到了與用以往方法的研究結果相類似的速度-密度圖線，且車輛從運動相到堵塞相轉變的上下臨界密度是一致的，同時分別給出車輛在處于暢通相和堵塞相時， boltzmann函數在格子上的分佈情況，進一步驗證了此法的可行性。
  11. Based on the comprehensive analysis of the road traffic flow ' s characteristics due to the bus stop without bus bay, the multivariate linear models of the speed and the headway are formed with the variables of the stop frequency, the stop time, the overall length of the stop and its reserve time of the bus and the vehicle flow applying the software of excel, and then the strict mathematical checks are made

    文章首先比較全面地分析非港灣式公交停車影響下道路交通流特徵，然後藉助于excel軟體，構建關于公交停車頻率、公交停車時間、最大公交停車長度及其存在時間、道路流量的車速和車頭時距多元線性模型，並進行了嚴格的數學檢驗。
  12. Using commercial finite element software ansys, the numerical simulations of the forming processes of decorated rib and handle, which are key positions in the door outer are conducted and investigated the differences of vpf and tradition forming. by using numerical simulation that investigates the effects of viscous injection flow rate on plank ’ s vpf formability and based on those investigated four - aluminum alloy ’ s vpf. the die has been designed for the door outer ’ s viscous pressure forming

    首先採用商用有限元分析軟體ansys對車門成形中的關鍵部位裝飾筋和把手的成形進行了數值模擬，對比分析了粘性介質壓力成形與剛性模成形的特點;分析了粘性介質壓力成形過程中，粘性介質的注入速率對成形試件壁厚分佈的影響，在此基礎上對四種常用的6000系列鋁合金板材的粘性介質壓力成形進行了有限元數值模擬。
  13. Hence in the design of highways and railroads, curves are banked for the average speed of the traffic over them.

    因此，在公路和鐵路的設計中，彎曲部分的傾斜角按行車的平均速率來確定。
  14. This thesis demonstrates a " ac - dc - ac locomotive emulation experiment platform " system, which is used to simulate behaving environment of locomotive system in several control circumstance and obtain kinds of performance parameters, so it contributes to the design of locomotive. to user - computer interaction, this thesis devises corresponding graphical user interfaces, so users can configure various modules " and controllers / parameters with knowing little about the details of this emulation system

    本論文擬構造「交?直?交型電力機車模擬試驗臺」一系統，模擬電力機車系統在各種控制條件下（如牽引、制動等）的運作情況，觀測各種性能指標參數（如變壓器一次側電壓/電流/功率因數、牽引電機電壓/電流、牽引力、機車速度等） ，這對于電力機車的設計和運行具有一定的指導意義。
  15. The main work is as follow : the pater makes use of vanguard genetic algorithms in image segmentation, uses vanguard genetic algorithms to get the image threshold. using this method we may get different grey vehicles from the background exactly. used the support vector machine theory to conduct the vehicles automatic sorting simulation research, the simulation result had proven this method could quite be accurate carries on the vehicles type the recognition ; improved based on the background automatic renewal hypothesized examination region algorithm, enhanced timeliness and the accuracy which the vehicles examines ; and to has carried on the specify based on the hypothesized examination region imagery processing algorithm realization ; in the paper also introduced withdraws the algorithm based on the gradation continuous movement vehicles characteristic to carry on the vehicles the characteristic to withdraw as well as to use the localization method which colored filter same gradation chart processing unifies to carry on the realization method which the vehicles license plate locates

    本文根據智能交通控制與模擬對于交通流量、車輛到達率、車輛速度等交通信息檢測的需求，基於視頻圖像進行了交通信息處理的演算法研究與實現，主要工作包括以下幾個方面:將先鋒遺傳演算法應用到圖像閾值分割中，利用先鋒遺傳演算法尋求全局最優閾值，可以比較準確的將圖像中不同灰度的車輛從背景中分離出來;採用支持向量機理論進行了車輛自動分類的模擬研究，模擬結果證明該方法能夠比較準確的將車輛的類型進行識別;改進了基於背景自動更新的虛擬檢測區域演算法，提高了車輛檢測的實時性和準確性;並對基於虛擬檢測區域的圖像處理演算法實現進行了詳細說明;論文中還介紹了基於灰度連續性的運動車輛特徵提取演算法進行車輛的特徵提取以及採用彩色過濾器同灰度圖處理相結合的定位方法進行車輛牌照定位的實現方法。
  16. Starting from the development of the chinese railway transportation and its requirement for the locomotive traction performance, the paper analyzed the main parameters of the locomotive such as locomotive horsepower, speed, traction effort, braking force. the traction and dynamic brake calculation of the locomotive has been made here

    論文從中國鐵路運輸的發展對機車的牽引要求入手，對機車功率、速度、牽引力、制動力等主要參數進行了分析論證，進行了機車牽引及制動計算，並分析了機車的起動及加速性能。
  17. With the analyses of the relationship figure between iri and velocity of representative road profile wavelength, the change trend between iri and vehicle velocity wasn ' t monotone increasing and was mainly affected by free vibration frequency of vehicle system

    通過分析典型路面波長國際平整度指數與行駛車速的關系圖，發現國際平整度指數與速度之間不是單調增長關系，除路面因素外，兩者之間的變化趨勢主要受車輛系統自振頻率的影響。
  18. According to different mechanisms, there exist several types of resonance, including the bridge resonance induced by the periodical actions of moving load series of the weights, centrifugal forces and lateral winds of vehicles, the bridge resonance induced by the loading rates of moving load series of vehicles, the bridge resonance induced by the periodical loading of train vehicles excited by rail irregularities, wheel flats and hunting movements, and the vehicle resonance induced by periodical actions of the regular arrangement of bridge spans and their deflections

    根據發生機理的不同，車橋系統可能發生幾種不同形式的共振，包括由車輛重量、離心力、橫向平均風荷載等形成移動荷載列的周期性動力作用引起的橋梁共振，由移動荷載列加載速率引起的橋梁共振，由軌道不平順、車輪扁疤、輪對蛇行等周期性加載引起的橋梁共振；由橋跨的規則性排列及其撓度的影響，對移動車輛形成周期性動力作用使車輛出現的共振。
  19. The third one describes the properties of working fluid and some experiments on viscous - temperature curves of silicone oil, named as 0. 017m2 / s, 0. 027m2 / s and 0. 037m2 / s. the experimental results demonstrate that the dimension of plate and properties of working fluid have influences on life - span and torque transfer performance of lvc. in chapter four, the strength of each component of lvc were designed and corrected and the new seals were used and the space between the inner and outer plate is 0. 4mm

    第一章主要說明了課題研究的背景和意義、液體粘性聯軸器的工作原理及其在工程上的應用，介紹了常時四輪驅動汽車的概念與分類；第二章在閱讀大量文獻的基礎上，對液體粘性聯軸器的研究成果進行總結，包括粘性聯軸器的扭矩計算，扭矩輸出所受的影響因素，駝峰發生的機理、駝峰觸發的溫度、駝峰發生時的最小轉速差，聯軸器在發生駝峰現象之前硅油剪切的內部溫度特性，聯軸器的傳熱模型以及汽車速度、滑移率對轉速差的影響。
  20. Through systematic incorporation of various psychological and physiological equipments, this paper finds out : 1 ) available experiment equipments and their adaptive range, which represents the groundwork for asserting distinct analytical method for roadway design ; 2 ) the classification of data though fuzzy clustering based on speed consistency ; 3 ) the correlation between drivers ’ psychology activities and their heart rates ( in this case, through qualitative analysis, the research verifies heart rates as an typical indication of the driving behavior ) ; 4 ) the correlation between roadway alignment and fluctuation of heart rates ; and the issuing of preliminary threshold value of level of intension of driver ( through quantitative spectrum

    本文在大量行車實驗數據的基礎上，分析得到: 1 ）在半徑大於某一定值的路段上行駛時，駕駛員的心率變化率與坡度、坡長和運行速度均有關系，其中速度對心率變化率的影響最大。 2 ）坡度相同的條件下，速度越大，駕駛員心率變化率越大;速度相等時，坡度越大，駕駛員心率變化率越大; 3 ）上坡時駕駛員的心率變化率與坡長關系不大，主要受坡度和速度的影響;下坡時，坡長、坡度
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