振動試驗數據 的英文怎麼說
中文拼音 [zhèndòngshìyànshǔjù]
振動試驗數據
英文
flutter test data- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 數 : 數副詞(屢次) frequently; repeatedly
- 據 : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
- 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
- 試驗 : trial; experiment; test
- 數據 : data; record; information
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In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。The result of the experiment shows that the proposed forced vibration method device has the quality of stability and repetitiveness of the data, the wide range of the testable reduced velocity, the exactness of coupled and direct flutter derivatives. and it does not need to employ any complicated identification system to check it further
結果顯示:本文提出的強迫振動法裝置具有試驗數據穩定、數據重復性好、可測量的折減風速范圍寬、交叉項導數與對角項導數具有同等精度和不需要復雜的系統識別過程等一系列優點。The classic signal processing methods are discussed and the wavelet transform is investigated
針對航空發動機振動試驗數據,討論了經典的信號處理方法及其具體實現。The results of experiments analysis data put also up some reference to establish the chinese national standard " comfort evaluation of human exposure to whole - body vibration in recumbent position " ( gb / t 18368 - 2001 ) and auto trade standard " the tests method of sleeper buses ride comfort with random input " in light of the correlate national standard and auto trade standard, the vibration tests data of buses and trains were studied
試驗數據分析結果為制定國家標準「臥姿人體全身振動舒適性的評價」 ( gb t18368 - 2001 )和汽車行業標準「臥鋪客車平順性隨機輸入行駛試驗方法」 ( qc t677 - 2001 )提供了科學依據。依據相關國家標準和汽車行業標準,對公路和鐵路的臥鋪客車臥姿乘客振動試驗數據作了進一步分析。Dynamic tests are applied to the beams, and during the course of the dynamic testing, mode parameters were obtained under the initial state, prestressed state and different damage degrees of the beams
振動測試分別在試驗梁的初始狀態,張拉完畢,以及各種不同的損傷狀態下進行,動力試驗數據主要包括自振頻率以及模態振型。The thesis is aimed at presenting a procedure to establish a baseline finite element model of the qingzhou cable - stayed bridge over the ming river, fuzhou, china that was newly constructed. its main span length of 605m is the longest in the world among the completed composite - deck cable - stayed bridge. the proposed procedure includes several tasks : initial finite element modeling base on the design drawings, field loading tests and ambient vibration tests, and finite element model calibration with the test results
本文以主跨605m的結合梁斜拉橋? ?青洲閩江大橋為背景,首先根據設計圖紙建立該橋完整的初始空間有限元模型,然後根據通車前現場靜力試驗和環境振動試驗結果對初始有限元模型進行校正,通過參數的調整使模型靜、動力計算結果與實測值吻合。For example, frp reinforced concrete is used to support or surround magnetic resonance imaging ( mri ) medical equipment, and frp is also used for the constructions of some seawalls, industrial roof decks, base pads for electrical and reactor equipment, anchor in rock and ground engineering and concrete floor slabs in aggressive chemical environments in order to promote the wide usage of frp and frp reinforced concrete structures, financed cooperatively by nationa l natural science foundation ( item : the research on mechanical performance of frp reinforced concrete beam reinforced ; number : 59978046 ) and henan illustrious youth science foundation, connected with the analysis methods of modern steel reinforced concrete structure, the thesis further studies the flexural performance of frp reinforced concrete beam through the systematic study on experimental data got from this kind of beams, systematically establishes the theoretical calculating system of the flexural performance of frp reinforced concrete beam in cooperation with the up - to - date analytical methods for reinforced concrete, which suits the properties of frp
例如,纖維增強塑料筋應用於支撐和圍繞磁共振成像醫療設備的混凝土中及海堤、工業頂棚、電設備、反應設備的基座、巖土工程中的錨桿、侵蝕性環境的混凝土結構等海洋工程、橋梁工程、路面工程、巖土工程、醫療及化工工程的建設。為了推動纖維增強塑料筋及其混凝土結構在工程中的廣泛應用,本文在國家自然科學基金(項目名稱:纖維增強塑料筋混凝土梁力學性能的研究;編號: 59978046 )和河南省傑出青年基金的資助下,通過對纖維增強塑料筋混凝土梁正截面受彎性能試驗數據的系統分析,結合現代鋼筋混凝土結構學的分析方法,對纖維增強塑料筋混凝土梁正截面受彎性能進行了深入的研究,較系統的建立了適合於纖維增強塑料筋特點的纖維增強塑料筋混凝土梁正截面受彎性能的理論計算體系。In light of the analysis data results of these experiments, vibration comfort evaluation of human in recumbent position should be done in accordance to the vibration of recumbent passenger ' s head and buttock, referring to the international standard iso2631 / 1 - 1997 ( e ), as well as on the base of correlate studies of whole - body vibration in recumbent position. accelerations of the head and buttock measured have been weighted twice to get at the frequency - weighted acceleration at the buttock and head, the weighted acceleration then is used to evaluate the comfort of human vibration in recumbent position
依據試驗數據分析結果,臥鋪客車臥姿乘客振動舒適性的評價應依據頭部和臀部振動進行,參照iso2631 - 1 : 1997國際標準,並在相關臥姿振動的評價研究基礎上,對測得的頭、臀部位加速度值進行計權處理,得到臀?頭部位頻率計權加速度來評價臥姿乘客全身振動的舒適性。It is found from the monitoring data that the response of the acceleration transducer is linearly relative to the compaction degree of gravel soils
在大量室內試驗數據的基礎上,研究了振動壓實過程中加速度電信號響應隨碎石土密實度的變化規律,發現二者具有顯著的線性相關性。In the first session a vibration test and off - line processing scheme is presented according to present on - line testing environments. after the data has been collected, attempt of wavelet transform is made combined with traditional fourier analysis. various methods of wavelet transform are tried to reveal the relations in transform figures
首先設計出在線測試和離線處理試驗方案,進行振動試驗數據採集,對試驗獲得的數據進行小波分析,將信號進行不同尺度的分解,分析小波變換圖中的規律,提取故障特徵,並對故障進行診斷。This article also measured the same kinds of bearing produced by harbin roll bearing factory, japan and other national factories with index of vibration speed, acceleration vibration value, rolling degree, corrugation degree, coarseness and rolling degree with a r shape, which as a result, obtained a lot of dependable experimental data and built foundation for further analysis
本文根據軸承速度振動值、加速度振動值、軸承滾道圓度、波紋度、粗糙度、滾道r形狀的評價方法及測量方法對哈軸生產的、日本生產的及國內其他廠家生產的同類型軸承進行了測量,獲得了大量的可靠的試驗數據,為下一步的分析工作奠定了基礎。In the light of the experimental data and using the method of poly linear regressed analysis, this article not only analyzed the main influential factors in the vibration of bearing of primary quality parameters of the rolling degree of bearing but built the mathemaitical model between primary quality parameters of the rolling bearing and vibration of bearing as well
本文根據試驗數據,利用多元線性回歸分析方法分析軸承滾道表面質量參數對軸承振動的主要影響因素。建立了滾動軸承表面質量參數與軸承振動之間的數學模型。用f檢驗、 t檢驗對此模型進行了顯著性檢驗。Then the experimental data was analyzed in time domain and frequency domain. thirdly the hilbert translation method was used to detect the nonlinearity of the system. at last the model of this kind of system was identified, the result show that the theory model is the same format as the experiment model
然後利用振動臺做掃頻試驗,對試驗數據在時域與頻域進行分析處理,利用hilbert變換檢測系統的非線性,分析系統的非線性特點,在此基礎上進行系統的模型識別,並將實驗建立的模型與理論模型進行比較。The article does a lot of researches of theory and examination. applying the kindred theorem, the screen ' s physical model has been established and experiments on such a model have been done in applying orthogonal means. the mathematical model based on model has been established and the dynamic simulation has been implemented in mat lab. we have gained lots of datum of experiment on such a model
本文對液壓直線振動篩進行了理論研究和大量的實驗研究,依據相似定理建立了液壓激振振動篩的物理模型,應用正交試驗法進行了物理模型試驗,建立了相應的數學模型,應用matlab軟體平臺進行了計算機模擬試驗,獲得了大量的試驗數據。The main job proceeded : collecting the data through investigation, summery the chracteristic of the quiver of the imported 300mw set to solve the quiver problem of the imported 300mw set, basing on the # 1, # 2 sets of the jingyuan ins corp and choosing the effiction of the aggravated plane, the changed stiffness of the # 4 bearing and # 7 bearing obtained the test result which can be used to be the conductor to solve the too bad quiver problem of # 5, # 6 axletree tiles in the # 1, # 2 sets of the jingyuan ins corp. outcome of the paper : analyse and sum up the main reason of the imported 300mw set ' s quiver through see much literature
針對靖遠第二發電有限責任公司# 1 、 # 2機組振動的具體情況,選擇各加重平面對軸系振動的影響、 # 4軸承變剛度、 # 7軸承變剛度變標高等項目,在300mw軸系模擬試驗臺上進行了模擬試驗,獲取了大量的試驗數據,得出了具有實際指導意義的試驗結論;針對靖遠第二發電有限責任公司# 1 、 # 2機組發電機# 5 、 # 6軸承瓦振過大的問題,通過剛度調整試驗的方法,較好的解決了問題。通過本文研究取得了如下成果:在閱讀了大量文獻資料的基礎上,對國內引進型300mw火電機組的振動特徵、振動的主要原因進行了分析和總結。The results of the experiments have showed that the vibration of the head and the buttock mainly take place in the frequency of 0. 5 ~ 20hz, the vibration acceleration of the passenger ' s head on the high - level sleeper bus at highway does not exceed 1. 20 m / s2, the buttock ' s vibration acceleration is not more than 1. 00m / s2, however the acceleration of the legs " vibration is less than 0. 50m / s2. the vibration experiments of trains were done on the hard and soft berths in the mountain diverged line and the plain main railway, the data showed that the vibration of the passenger ' s head and pelvis mainly took place in the frequency of 0. 5 - 15hz, under this range, the acceleration of head ' s vibration do n ' t exceed 0. 80m / s2, the but tock ' s vibration acceleration is not more than 0. 40m / s, the legs " vibration acceleration is less than 0. 30m / s
數據分析表明,頭部和臀部振動主要發生在0 . 5hz 20hz ,高檔公路臥鋪客車在高速公路上,頭部振動加速度值一般不超過1 . 20m s ~ 2 ,臀部振動加速度值一般在1 . 00m s ~ 2以下,而腿部振動加速度值一般在0 . 50m s ~ 2以下;鐵路臥鋪客車臥姿乘客振動試驗分別在山區支線和平原干線上運行的硬臥及軟臥臥鋪進行,數據分析表明,頭部和臀部振動也主要發生在0 . 5 15hz ;平原干線的鐵路軟臥,頭部振動加速度不超過0 . 80m s ~ 2 ,臀部振動加速度值不超過0 . 40m s ~ 2 ,而腿部振動加速度值則在0 . 30m s ~ 2以下。By acquiring the structure and environment parameters, the active control can greatly reduce the vibration on the model and the supporters caused by the unsteady aerodynamic force which badly influences the experienced data precision
在進行風洞試驗時,受非定常氣動力的作用,模型會與天平、支桿和支架一起產生振動。模型劇烈的振動嚴重影響風洞測力試驗數據的精度。Fourthly, through the accelerated life test of electrical connectors under vibration stress and statistical analysis of test data, verified that the reliability statistical model of electrical connectors is correct
第四,通過對電連接器進行振動應力下的加速壽命試驗,並對試驗數據統計分析,驗證了電連接器可靠性統計模型的正確性。In this dissertation, the model y11x - 2221 electrical connector as the object, the failure mechanism and reliability test method and test data statistical analysis method of electrical connectors under vibration stress has been research
本文以y11x ? 2221圓形電連接器為研究對象,分析了電連接器在振動應力作用下的失效機理,對電連接器在振動環境下的可靠性試驗及試驗數據的統計分析進行了研究。Modal test and analysis is a very important method to identify the structure dynamic characteristics for the updating of finite element model. it includes vibration measurement, data processing and computer application technology
試驗模態分析技術是一種綜合應用振動試驗、數據處理和計算機技術求取機械結構動態特性的有效工具,是驗證和修改有限元模型的主要手段。分享友人