engine vibration 中文意思是什麼

engine vibration 解釋
發動機振動
  • engine : n. 1. 機械，機器。2. 引擎，蒸汽機，發動機。3. 機車，車頭。4. 工具；〈古語〉方法，手段。vt. 給…安裝發動機。
  • vibration : n. 1. 振動，顫動；擺動；【物理學】振動。2. （心的）震顫。3. （思想情緒的）激動。4. 猶豫。adj. -al
  1. Structural vibration modal analysis of engine blocks

    發動機機體結構振動模態分析
  2. According to the characters of the vibration of internal combustion engine and on bases of the theory of active vibrantion control which is carefully analyzed, the corresponding mathematical model suitable for the vibration of internal combustion engine is developed and the fuzzy control techniques are adopted. a new active vibration control system is developed w hich conclude mcu, the key part, and the equipment used to survey the vibrative acceleration of internal combustion engine

    本文根據內燃機振動的具體特點，在仔細分析了振動主動控制原理的基礎上，建立了適合內燃機整機振動的數學模型和採用了模糊控制方法，提出了一種新的內燃機整機振動主動控制減振系統，該系統以微控制器為核心，配以測加速度和控制機電轉換執行機構組成。
  3. The reassigned smoothed pseudo wigner - ville distribution ( rspwvd ) is introduced, which has less interference and higher resolution than other time frequency distributions like wigner - ville, choi - williams etc. it is used to detect the multi - knocking of engine such as cylinder, piston pin, valve, crank bearing, connecting rod bearing and jib knocking. a new fault diagnosis technique based on the rspwvd for the engine multi - knocking problem is proposed. by comparing the bispectrum and bicoherence of the gear vibration signals, it is demonstrated that bispectrum has an advantage over bicoherence for feature extraction of such signals

    第四章首次引入一種重分配方法，得到干擾項少而解析度高的重分配平滑偽魏格納維爾分佈（ rspwvd ） ；對發動機曲軸主軸承響、連桿軸承響、活塞銷響、活塞敲缸響、氣門響和挺桿響等常見機械異響故障振動信號特徵進行了全面地比較分析；通過對各種異響故障特徵信號的分析研究，提出基於rspwvd的發動機多異響故障診斷策略，利用該策略可以準確識別不同的發動機異響故障。
  4. The catalytic converter can also be destroyed by excessive engine vibration

    發動機的過度震蕩也會造成催化裂化爐的毀壞。
  5. The instrument can detect all kinds of steam, diesel engine start - up performance, high - voltage ignition performance, fuel injection performance, rechargeable performance, dynamic performance, service gas phase, abnormal sound engine vibration analysis more than 30 kinds of technical parameters, and analyze the causes for the failure, the detection process, may at any time and waveform display various technical parameters and results can be random print, the machines are more than 100 kinds of domestic and foreign memory engine technical parameters, it is rich in content and the test results can be readily compared

    該儀器可檢測各種汽、柴油發動機的啟動性能、高壓點火性能、燃油噴射性能、充電性能、動力性能、配氣相位、發動機異響震動分析等30餘種技術參數，並分析故障產生的原因、檢測過程中，可隨時顯示各種波形及技術參數和結果並可隨機列印，該儀器內存有一百多種國內外發動機技術參數，內容十分豐富，隨時可以與檢測結果對比。
  6. The test data show that the database presents expected function and works well with software of aero - engine vibration mortoring system

    該數據庫經過試驗數據檢驗運行良好，能夠滿足要求的功能。
  7. In addition, taking one engine mounts design into account, the paper investigates and compares some types of design schemes and shows that semi - active continuous variable damper is feasible and applicable. the numerical simulation results further proves that the continuous variable sky - hook damper is able to effectively isolate the engine vibration, so the damper has promising value in the engineering field

    另外，以某發動機懸置的設計為背景，比較了各種設計方法，論證出半主動連續可控阻尼懸置為最佳的方案，並用簡化的懸置模型進行了數值模擬分析，通過得到的振動性能的比較，表明按天棚阻尼設計的連續性半主動懸置系統，能夠有效地隔離發動機振動，有很好的工程應用前景。
  8. The main drive source and dissemination way of engine vibration baa been confirmed through analyzing the basic characteristics of engine vibration signal

    摘要通過對發動機振動信號基本特性的分析，確定了發動機振動的主要激勵源和傳播途徑。
  9. The software also can be used as a diesel engine vibration real - time monitoring system, it can display the vibration wave when the diesel is working, analyze the real - time vibration data, and print the analyze results in reports forms

    同時，該系統還能夠用於柴油機振動狀態監測，對振動波形進行實時顯示，實時分析，對歷史振動加速度生成報表等。
  10. Based on the different work states of engine, the engine vibration signal collected in it ' s steady work conditions is analysed by the technique of confrequency spectrum ; the signal related to the fast run - up state is processed by stft and wavelet analysis

    根據發動機的工作特點，將振動信號分為穩態振動信號和過渡態振動信號。穩態信號採用傳統的傅立葉分析方法，過渡態信號採用了短時傅立葉變換和小波方法。
  11. The importantance of database in the aero - engine vibration mortoring system is analysed in chapt 5. according to the requirement of vibration mortoring in flight test, a database has been designed with mircrosoft access2000

    最後，本文論述了數據庫系統對發動機試飛和振動監測的重要性，分析了數據庫系統的基本原理、振動監測數據庫的功能和數據需求，使用access2000針對當前的型號試飛設計了振動監測據庫。
  12. Finally we conducts rig test with fuzzy control system. the test results indicate fuzzy control system is able to lower intensity of body vibration and the national standard on the vibration eligible class of the engine is met. it is demonstrated that the mathematical model and fuzzy control arithmetic presented by the paper are accurate and reliable, which make an active seek and research on control strategy of engine vibration

    以matlab + simulink為模擬工具，設計了模糊控制系統和被動控制系統兩類不同的模擬模型，並進行了對比模擬和結果分析，在此基礎上，設計開發了以80c196kc單片機為主控器件的模糊控制系統，進行了控制系統的軟、硬體設計，最後對所設計的模糊控制系統進行了臺架實驗，實驗結果表明模糊控制系統能有效地降低了內燃機整機振動的強度，達到了國標規定的合格級，證明了本文建立的數學模型和模糊控制演算法是正確可行的，在內燃機振動控制策略方面作了一個積極的探索和研究。
  13. Study on the acive control of internal combustion engine vibration

    試論內燃機振動的主動控制
  14. In a word, this software offers a powerful tool for the analysis of aero - engine vibration signal and enhances the efficiency of engine signal analysis a lot

    該軟體為發動機的振動信號處理分析提供了有效的工具，極大提高了工作效率。
  15. First, a data collecting software for diesel engine vibration based on vb is developed after the hardware system has been jointed and accomplished

    首先，在組建硬體平臺的基礎上，開發了一套以vb為軟體平臺的柴油機振動數據採集系統。
  16. This thesis targets to research the technique of engine vibration mortroing when performing flight test and lays the foundation for the engine condition mortroing and fault diagnosis in the future

    本文旨在根據發動機飛行試驗的要求，研究軍用航空發動機振動監測方法，為發動機狀態監控與故障診斷提供技術基礎。
  17. The software can collect the diesel engine vibration signal with different channels, different kinds of frequency and different kind of gains ; it also can save the data files with different formats

    整個系統能夠實現不同通道、不同頻率、不同增益的振動數據採集以及不同格式的數據保存，能夠進行基於分形的數據分析。
  18. Vibration analysis is an effective method to diagnose the engine fault related to structure and intension, so engine vibration mortoring is regard as an important content of engine condition mortoring and fault diagnosis

    振動分析是診斷發動機結構強度故障的一種有效方法，發動機振動監測是狀態監控與故障診斷的一項重要內容。
  19. In this paper, the present research and development of the engine vibration control is summarized. in theory, this paper analyzes energy distribution of the engine vibration and discusses the active global - state - feedback control system and the partial - state - feedback control system, and presents the method in selecting the partial feedback states. at the same time, associated with one category of engine, it builds the mathematical model of the engine active control system, provides the lq optimal control strategy and makes a simulation analysis

    本文總結了發動機振動控制的研究和發展現狀，從理論上，分析了發動機振動的能量分佈情況，闡述了發動機的全狀態反饋施控系統和部分狀態施控反饋系統，並提出了部分施控的狀態選取方法，同時結合某具體型號的發動機，建立了發動機的振動主動控制模型，採用以二次型性能指標的最優控制律，進行了整機振動主動控制模擬分析。
  20. After precision validated, the system is used to test and analyze local noise, interior noise, pass - by noise and engine vibration and noise. the results prove that the system is precise and helpful to accurately locate the source of noise and vibration, so it arrives at the requirements of functions and capabilities

    系統通過了精度驗證，並在實際應用中測量和分析了汽車定置噪聲、汽車勻速行駛車內噪聲、汽車加速行駛車外噪聲和發動機臺架振動噪聲，結果表明系統測量分析準確，能夠準確定位汽車和發動機的聲源和振源，達到了預期的功能和性能需求。
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