隨機車型 的英文怎麼說

中文拼音 [suíjījūxíng]
隨機車型 英文
random car
  • 隨 : Ⅰ動詞1 （跟; 跟隨） follow 2 （順從） comply with; adapt to 3 （任憑; 由著） let （sb do as he li...
  • 機 : machineengine
  • 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
  • 隨機 : random stochasticrandom
  • 車型 : motorcycle type
  1. Chengdu freight wagon factory, with rich manufacturing and maintaining experiences, is the large - scale factory, which manufactures railway freight wagon and freight engine in china. already turned deficits into surpluses, with the enforcement of raising speed strategy of railway cargo transportation and quickness of technique renew, cfwf ' s operating system is now facing great challenge of market opening. its preferred status on " ? re " product will also face big threaten

    成都機車車輛廠就是其中的一個典型，雖然成都廠是國內從事鐵路機車車輛維修和機車電機製造的大型企業，具有豐富的生產維修製造經驗，但隨著鐵路電氣化和提速戰略的實施，技術更新步伐的加快，成機廠的經營機制在幾年前就已面臨市場開放的巨大挑戰，核心產品上的優勢地位也受到很大威脅。
  2. Long before wilbur and orville wright started building glider models, those determined bicycle mechanics realized that achieving controlled flight depended largely on finding means to regulate lateral ( side - to - side ) stability in the air

    早在魏爾柏?萊特和奧維爾?萊特兩兄弟開始製造滑翔機模型之前，熱血的自行車技工就知道，要能隨心所欲地飛行，必須找出在空中維持側向穩定的方法。
  3. As 4ws system is a typical system with stochastic perturbations, which are from the road surface unevenness and side wind and ca n ' t be described by deterministic function, the probability and statistics theory must be used in such research

    由於汽車四輪轉向系統是典型的一個存在隨機擾動的系統，振源主要就是路面的不平度和地面的側風，這類擾動不能用確定性的時間或空間函數去描述，只能用概率統計的方法去研究。
  4. This paper mainly analyzes control delay at urban signalized intersections. based on the survey data, this paper talks about vehicles movement characteristics of arrival and depart process, then the queueing headway distribution is obtained, and the suggestion that saturated flow should be measured from the sixth queuing vehicle is offered. using random process theory analysis and computer simulation, the queuing length distribution model is obtained

    本論文針對平面信號控制交叉口的延誤問題進行了分析，在實測數據分析的基礎上，探討了車輛到達過程和離開過程的運行特性，給出信號交叉口排隊離散車頭時距分佈模型，提出飽和流率的測量應從第六個離開的排隊車輛算起；運用隨機過程理論和計算機模擬的方法得到了信號交叉口排隊長度分佈模型，在此基礎上運用協調變換的方法改進了車輛延誤模型。
  5. With the nonlinearity of vehicle suspension, simulation signal of suspension system is more practical by road exciting signal of time domain than frequency domain, furthermore, it is easy to get the results which are consistent with practical results

    考慮到車輛的非線性因素，在進行主動控制分析過程中，懸架系統激勵信號採用時域信號。因此，首先進行了時域路面隨機不平度生成方法的研究，所得路面模型的功率譜密度與理論路面功率譜密度吻合較好。
  6. 3. the crane load and fatigue strength are regarded as stochastic process, the fatigue dynamic reliability based on limit stress model and fatigue dynamic reliability based on accumulation damage model are established on the base of statistic analysis the fatigue load and resistance

    3 、在對疲勞荷載與抗力統計分析的基礎上，視吊車荷載與疲勞強度為隨機過程，建立了基於極限應力模式的疲勞動態可靠性分析模型及基於累積損傷模型的疲勞動態可靠性分析模型。
  7. In view of the random factors appearing in locomotive operation, such as equipment failure and locomotive defect, the dynamic dispatching emulation for locomotives shall be established and meanwhile its restrictions shall be defined

    考慮機車運用中的設備故障、機破等隨機因素，建立機車運用動態調度模擬模型，確定模型約束條件。
  8. In this paper i calculate the reasonable possession quantity of port handling machineries with chance - constrained linear programming. first in the paper is the background and meaning of this research ; then analysis present situation of port machinery management both in practice and theory ; in chapter 3, i qualitatively discusses characters influencing machinery quantity, which include lifting ton, intact rate and using rate, age of machinery, machinery purchase and working cost and so on. in chapter 4, i take the influencing characters to mathematic model of chance - constrained linear programming, aiming to maintain the need of production and reduce machinery cost

    文章首先介紹了選題的背景、意義以及主要工作；第2章介紹了港口機械管理在港口企業管理中的地位與作用，以及我國港口機械設備管理與配置現狀，並簡要介紹目前港機合理擁有量的理論研究方法；第3章從技術與經濟角度定性分析了各種因素對港機擁有量的影響，其中主要包括機械起運量、完好率與利用率、機械設備役齡、購置與營運成本等；第4章將各種影響因素引入模犁，提出以完成生產任務、機械成本最低為目標，應用隨機線性規劃模型計算港口流動機械合理擁有量的方法；第5章以大連港大港區為例對模型進行應用，選擇四種型號叉車為研究對象，對其歷史經濟與技術數據進行統計分析，其中重點對隨機變量單位臺時維修費用進行了正態分佈擬合。
  9. The model assumes that every vehicle tends to keep expected time - headway and each vehicle synchronously updates its velocity by estimating the velocity of the head vehicle, the distance headway and the probability of random slowdown

    該模型假定行駛車輛都趨向于保持一個期望的車頭時距，通過對前車速度和車頭間距的估計，並考慮隨機減速的影響對車速進行同步更新。
  10. By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated

    根據我國干線鐵路軌道譜，採用三角級數法模擬出干線鐵路和準高速鐵路軌道不平順的樣本函數；根據秦沈客運專線高速試驗段軌檢車資料，採用arma時間序列模型模擬了高速鐵路軌道不平順隨機樣本函數；在既有研究資料的基礎上模擬出各種速度客車構架人工蛇行波；用隨機變量描述道床橫向剛度，並進行了隨機模擬；將振動理論和穩定理論結合建立系統的分析模型和運動方程；根據monte ? carlo法編制了車輛?軌道耦合系統隨機振動分析程序，進行了無縫線路隨機動力響應分析，通過試驗對計算模型、計算方法進行了驗證。
  11. This paper puts forward several views as the follows. for the siso test task, the esvrst ( electro - hydraulic servo vehicle road simulation test - bed ) system may be describe ^ by siso carma. for the multi - output test task, such as to reappear multi - channel waveform of acceleration, the inputs and outputs is coupled, the esvrst system must be describe ^ by mimo carma

    針對上述問題本文提出了對于電液伺服汽車道路模擬試驗臺單輸入單輸出系統的試驗可以用單輸入單輸出carma模型描述；對于電液伺服汽車道路模擬試驗系統多點輸出的加速度隨機波形再現試驗以及其它多輸入多輸出問題，因為存在輸入輸出量之間耦合關系，所以必須用多輸入多輸出carma模型描述。
  12. The random excitation of the four wheels is used as the input of this system. the changing rule of vertical displacement, three directions of acceleration power spectrum density function of person - chair system of model ca - 141 and etc. in the frequency domain is simulated using matlab. the rationality of the model is analyzed and validated by comparing of relevant testing results and theoretic analysis

    以頻域內四輪隨機激勵作為系統輸入，用matlab模擬低地板城市客車等三種車型人椅系統三向加速度功率譜的變化規律，逐項分析車速、懸架剛度與阻尼參數變化對車輛平順性的影響，通過與相關研究結果的比較及理論分析驗證了模型的合理性。
  13. In this paper, the pce principle, method and technical achievement of traffic engineering in domestic and overseas from 1940 to 1993 are analyzed, compared and evaluated. moreover, the use condition and limitation of the studying achievement are elaborated. based on it, in view of the complexity of the vehicle kinds and mixed traffic in domestic highway traffic, the physics method on influence space of vehicle is put forward according to the achievement of studying the road capacity and the mass traffic observation data of 177 section of highway

    本文首先對1940到1993年以來，國內外在交通工程研究中涉及到的車輛當量換算系數計算的原理、方法和技術成果進行了分析、比較和評價，闡述了這些研究結果的使用條件和局限性。在此基礎上，鑒於我國公路交通中車種多，車型復雜以及混合交通等的特點，通過對我們以前研究通行能力積累的成果和實地177個不同路段所採集到的大量交通觀測數據的分析和研究，利用數理統計和隨機場理論，提出了一種汽車道路作用空間的物理分析方法來研究車輛當量換算問題。
  14. To improve dynamic performance control effect for air suspension vehicle with half vehicle model as a control object and perpendicular motion and longitudinal acceleration as control indexes, the half - vehicle model fuzzy control simulation was performed by taking grade b road as random input

    摘要為了改善空氣懸架客車動態性能的控制效果，以空氣懸架客車1 / 2模型為控制對象，以車身垂直運動和俯仰運動加速度為控制指標，以b級路面為隨機輸入，應用模糊控制技術對1 / 2車輛模型進行了計算機控制模擬分析。
  15. The analysis and design of stochastic generation car model in microscopic traffic simulation

    微觀交通模擬車輛隨機生成模型分析與設計
  16. Results of these researches indicate that adaptive control can efficiently reduce system ' s influences caused by model ' s uncertainties, stochastic disturbances, and quantified measuring noises. meanwhile, adaptive control can help the steering system acquire excellent performances of power - assisted and portability characteristics ; the suspension system has a good performance of reducing vibration, and can improve dynamical character of a full vehicle

    研究結果表明，自適應控制能夠有效解決模型的不確定性、隨機擾動和量測噪聲對系統的影響，使轉向系統具有良好的助力性能和轉向輕便性，懸架系統具有較優的減振性能，從而改善了整車動力學性能。
  17. Abstract : the track vertical profile irregularity is regarded as stationary ergodic gaussian random processes. the vertical radom vibration of vehicle and track is computed on the basis of vehicle track coupling dynamic fem model. the analysis of system response is made in the time and frequency field

    文摘:將軌道高低不平順視為平穩各態歷經隨機過程5 ，利用車輛-軌道耦合動力有限元計算模型，對車輛-軌道系統垂向隨機振動做了計算，在時域和頻域內對系統響應作了分析。
  18. Abstract : the application of unknown input fault detection observers ( uifdos ) to the diagnosis of electronically controlled systems in automotive engines with unmeasurable load torque and random disturbances is presented in this paper

    文摘:針對汽車發動機電控系統負載不可測且存在隨機干擾的情況，採用基於數學模型的未知輸入故障檢測觀測器方法，研究其故障診斷問題。
  19. In order to study the vibration in the artillery traveling more accurately and completely, a tire force model of non - linear and self - adapting stochastic contacting mark is set up, and this model provides a good method to study the driving system ' s horizontal and vertical excitation caused by the plainness road surface. the suspension of the tractor is simplified by the model of spring - damp system, and the artillery torque rod is also simplified by torsion spring

    為了更準確和全面地研究火炮牽引行駛過程中出現的振動，建立了非線性自適應隨機接地印跡的輪胎力學模型，該模型能很好地研究路面不平度對火炮牽引系統的垂直和縱向激勵；牽引車懸架簡化為彈簧阻尼系統；火炮扭轉桿簡化為扭簧。
  20. On the basis of reviewing the field in car following in the world, the disadvantage of time series data of car following in existing research was found in this dissertation. the direction of research breakthrough were : high precision car following field data collecting methodology without jamming, the index and methodology of classing the car following phase in expressway, constructing car following model uniform with randomicity and orderliness, train of thoughts and technology route were : starting off practice, depending on high precision instrument to collect car following data, exercising scientific theory methodology, combining with computer simulation

    文章在認真分析國內外車輛跟馳理論領域研究的基礎上，綜合評述已有的成果，發現已有的研究缺乏描述跟車行為的時間序列數據，針對跟車模型存在的問題，選定研究的突破方向為：無人為干擾的高精度車輛跟馳實測數據採集方法、在實測數據基礎上，定性與定量相結合，確定快速路車輛行駛狀態指標及其種類劃分的方法、建立隨機性與規律性相統一的車輛跟馳模型。
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