行車型態測定 的英文怎麼說
中文拼音 [hángjūxíngtàicèdìng]
行車型態測定
英文
driving cycle test- 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
- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 行車 : 行車train working; drive a vehicle行車安全 driving safety; 行車里程 mileage; distance travelled b...
- 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
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And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時間統計間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。Finally, by practical test, experimental data obtained show that the dynamic thrust measuring system is dramatically available and successful. especially, it shows that when the impulse width is 20ms and the duty ratio is 1 : 3, the measured results are stable and reliable. hence, the system designed here can meat the test requirements of the actual applications, and the technology studied in the thesis also give a good foundation to future research work
最後,系統建成以後,通過多次調試試車、考核試車和實際型號試車的考核,試車結果表明,該系統的設計是成功的,動態推力數據穩定、可靠,可滿足發動機以20ms脈寬工作,占空比為1 : 3的情況下,進行發動機的動態推力性能指標測試,滿足實際應用的需求,為進一步進行動態推力測試技術研究奠定了良好的基礎。For test items other than those provided in the list in 5. of " guideline to use tested vehicles and production vehicles ", the state subjected to the test shall be determined through consultation with the automobile type approval test division, on the basis of the present guidelines
除測試車及成品車應用指南第5條規定的試驗項目以外的其它試驗項目,試驗狀態應在現行指南的基礎上,通過咨詢機動車型式認證測試部門而定。Firstly, the performance is calculated at the design point of the ws - 9 aeroengine by using the numerical model established. secondly, after obtaining the performance coupling parameters, the steady - state performance of the non - designed points is caculated. third, respectively make the limitation of rotate speed of the high pressure rotor and low pressure rotor equal to corresponding parameters of designed point, after the data calculated compared with those of designed point and actual testing of the manufactory, the error is obtained
首先,用所建立的發動機數學模型計算了發動機在設計點的各項性能,第二,根據發動機各部件的耦合特性參數計算得到發動機在非設計點狀態下的各項穩態性能,第三,分別設定限制高壓轉子轉速和低壓轉子轉速逼近設計點條件下對應的參數,將計算得到的性能數據與設計點性能進行了比較,並將非設計點的計算結果與生產試車過程實測的性能數據進行對比,給出了該穩態模型計算結果與實際試車數據的誤差。In this thesis, based on mathematic model and real condition, analysis and compare of different control methods are carried out at first. then a propriety control law and optimized parameters are choosen and used into multi - body model in simpack. finally, kinds of dynamic character curves after measurement and calculation are given
論文首先在數學建模的基礎上,根據實際情況,詳細分析對比了直接狀態反饋控制、 pid控制和狀態觀測器控制等常用的磁浮列車懸浮控制方法,然後將合適的控制規律及優化的控制參數用於simpack中的多體模型,通過計算,給出懸浮穩定性、運行平穩性以及列車曲線通過等動力學特性曲線。With reviewing the background of the subject, the basic concepts and meanings of study of personal resources tactics, the paper analyzes and predicts the trend of development of person resource in liuzhou minicar factory ( wuling ). as the result the optimizing personal resource tactic based on the team work of developing independently of a complete minicar is addressed, and its countermeasure is discussed too
本文簡要介紹了課題研究的背景、意義及人才戰略的基本概念、研究方法、前人的研究工作以及課題的安排;分析了柳州微型汽車廠(五菱)的人才發展態勢,預測了五菱廠人才發展趨勢,進行了五菱廠人才戰略的選擇與制定,最終選擇了以形成微型汽車自主研究開發能力為核心的整體人才優化配置戰略,並為人才戰略的實施制定了相應的人才發展對策。When we have set up a relevant system at cities, we can estimate traffic situation in future without base materials by means of normal four steps model system. at the same time, brings out scientific means for special bicycle traffic in china and gives examples for its process and feasibility. in summary, using tia can reduce the impact of large building on its surrounding and ensure traffic development on balance
通過對相關資料的研究,給出在城市建設項目中進行tia ( trafficimpactanalysis交通影響評價)的工作步驟,確定應進行評價的建築類型及影響范圍,提出適合中國國情、針對大規模城市開發項目的交通影響預測方法和評價標準:當進行交通影響評價的項目所在城市已建立了綜合交通規劃模型系統時,可利用一般四階段模型預測項目交通量、背景交通量以及總的交通狀態;在缺乏基礎數據的條件下,可根據符合我國實際情況的快速預測法進行交通預測:同時針對我國獨有的自行車交通,提出科學的評價方法。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。On the basis of analyzing the result of the test, we have improved the structure of the damper and revised the systematic model. we have experiments on the damper to test its damping performance. comparing with the simulation force - displacement curves, we gave an explanation of why the factual force - displacement have aberrances, which gave warrants to the parameter design and structure ' s improvement. we found the state equation of the semi - active suspension on the semi - active adaptive control strategy and use computer simulations to compare the passive suspension structure and er semi - active suspension. computer simulations indicate that er semi - active suspension have greatly improved driving smoothing and control stability. at the same time semi - active suspension is of simple structure and low cost. so in the long run, the semi - active suspensions may have wider application
在對試驗結構進行分析的基礎上,改進了減振器的結構,修正了系統的模型;對自適應減振器性能進行了大量的測試,通過與模擬結果比較,分析了造成示功曲線局部畸變的原因,為機構及其參數設計以及改進提供了依據;基於振動半主動自適應控制策略,建立了半主動懸架系統的狀態方程,並且進行了模擬,從而得出與被動懸架結構相比,採用電流變流體減振器的半主動懸架在汽車行駛平順性和操縱穩定性上均有較大的改善,性能大為提高。The system is installed on the axis of the locomotive ' s wheel. it inspects the track irregularity in a real - time, dynamic and photoelectric way. by measuring the track of the wheel running, the system can provide the type, depth, length, level and the location of the track irregularhy, so that it bring a positive effect on the check and maintain of the track, and it can monitor and control of the security of raflway traffic
該裝置直接安裝機車輪軸上,是一種實時、動態的光電檢測方式,通過直接測量輪軸運行軌跡曲線的方式,定量給出軌道病害的類型、深度、長度、級別和位置等信息,能夠對工務現場線路檢查、維修、保養、行車安全監控等工作起到積極的指導作用。Continuing health monitoring or regular condition assessment of important bridges is necessary to ensure that the bridges function well. in order to do that, a baseline finite element model of the target bridge is often indispensable not only for complex dynamic response analysis ( such as seismic analysis, wind - resistant stability analysis, train - bridge vibration analysis and so on ), but also for health monitoring of the bridge
對于大型重要橋梁來說,無論是對其進行復雜響應分析(如地震響應分析、抗風穩定性分析、車橋振動等方面的動力分析) ,還是進行長期監測和健康狀態評估,一個準確和有效的「基準」 ( baseline )有限元模型都是不可缺少的前提。分享友人