Academic literature on the topic 'Instantaneous Angular Speed'

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Journal articles on the topic "Instantaneous Angular Speed"

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Li, Yuhua, Fengshou Gu, Georgina Harris, Andrew Ball, Nick Bennett, and Ken Travis. "The measurement of instantaneous angular speed." Mechanical Systems and Signal Processing 19, no. 4 (2005): 786–805. http://dx.doi.org/10.1016/j.ymssp.2004.04.003.

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Rémond, D., J. Antoni, and R. B. Randall. "Instantaneous Angular Speed (IAS) processing and related angular applications." Mechanical Systems and Signal Processing 45, no. 1 (2014): 24–27. http://dx.doi.org/10.1016/j.ymssp.2013.10.015.

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Khadraoui, Souha, Fabrice Bolaers, Olivier Cousinard, and Jean Paul Dron. "Low speed lifting cable diagnosis using instantaneous angular speed." Journal of Mechanical Science and Technology 35, no. 5 (2021): 1821–28. http://dx.doi.org/10.1007/s12206-021-0402-x.

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Yousef Ben Sasi, Ahmed, Fengshou Gu, Bradley Payne, and Andrew Ball. "Instantaneous angular speed monitoring of electric motors." Journal of Quality in Maintenance Engineering 10, no. 2 (2004): 123–35. http://dx.doi.org/10.1108/13552510410539196.

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Verwimp, Toby, Georgios Mousmoulis, Konstantinos Gryllias, and Ali Hajnayeb. "Cavitation detection based on instantaneous angular speed." Proceedings of the International Conference on Condition Monitoring and Asset Management 2023, no. 1 (2023): 1–13. http://dx.doi.org/10.1784/cm2023.2e1.

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The study and detection of cavitation in hydraulic turbo-machinery has gained recently particular attention from both manufacturers and end users, due to the damage caused on machines’ surfaces that may result in costly sudden shutdowns. The traditional cavitation detection approaches exploit the noise and vibration signals that sense the vapor bubble implosion pressure waves, while advanced demodulation techniques are used in order to locate the resonances excited from these waves. This work aims to investigate an alternative methodology, where detection is achieved by processing the speed si
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Xie, Jingsong, Jinglong Chen, Yizhen Peng, and Yanyang Zi. "A New Concept of Instantaneous Whirling Speed for Cracked Rotor’s Axis Orbit." Applied Sciences 9, no. 19 (2019): 4120. http://dx.doi.org/10.3390/app9194120.

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At present, the axis orbit (whirling) and the instantaneous angular speed (spinning) are important symptoms in the condition monitoring of rotor systems. However, because of the lack of research of the transient characteristics of axis orbit within a whirl cycle, the axis orbit cannot reflect the instantaneous characteristics of the rotation during one whirling cycle like the instantaneous angular speed. Therefore, in this paper, a new concept of instantaneous whirling speed of axis orbit within a whirling cycle is proposed and defined. In addition, the transient characteristics of instantaneo
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Khdair, Mohammed, Constantin-Gheorghe Mihai, Neculai-Eduard Bumbu, and Mihăiţă Horodincă. "Improving Instantaneous Angular Speed Monitoring by Means of Sinusoidal EMF Signals Delivered by a Two-Phase n Poles AC Generator Used as a Sensor." Bulletin of the Polytechnic Institute of Iași. Machine constructions Section 69, no. 3 (2023): 69–83. http://dx.doi.org/10.2478/bipcm-2023-0025.

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Abstract This paper introduces a new approach in instantaneous angular speed monitoring using a two-phase n poles AC generator as sensor. A two-phase n poles (n=50) stepper motor plays the role of sensor. Its rotor is firmly connected to the rotary part whose instantaneous angular speed should be measured. The sensor produces two identical sinusoidal EMF (electromotive force) signals (theoretically shifted with π/2 radians) with the same periods T. This paper proposes to use the mathematical product of the numerical descriptions of these EMF signals in order to define a new EMF signal with a p
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Popovic, Slobodan, and Miroljub Tomic. "Possibilities to identify engine combustion model parameters by analysis of the instantaneous crankshaft angular speed." Thermal Science 18, no. 1 (2014): 97–112. http://dx.doi.org/10.2298/tsci120907006p.

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In this paper, novel method for obtaining information about combustion process in individual cylinders of a multi-cylinder Spark Ignition Engine based on instantaneous crankshaft angular velocity is presented. The method is based on robust box constrained Levenberg-Marquardt minimization of nonlinear Least Squares given for measured and simulated instantaneous crankshaft angular speed which is determined from the solution of the engine dynamics torque balance equation. Combination of in-house developed comprehensive Zero-Dimensional Two-Zone SI engine combustion model and analytical friction l
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Bonnardot, Frédéric, Khalid Lizoul, Saad Errafik, Hugo André, and François Guillet. "High frequency demodulation technique for instantaneous angular speed estimation." Mechanical Systems and Signal Processing 159 (October 2021): 107745. http://dx.doi.org/10.1016/j.ymssp.2021.107745.

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Moustafa, W., O. Cousinard, F. Bolaers, K. Sghir, and JP Dron. "Low speed bearings fault detection and size estimation using instantaneous angular speed." Journal of Vibration and Control 22, no. 15 (2014): 3413–25. http://dx.doi.org/10.1177/1077546314560600.

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Dissertations / Theses on the topic "Instantaneous Angular Speed"

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Spagnol, Marco. "Maintenance of electrical machines: Instantaneous Angular Speed analysis." Doctoral thesis, Università degli studi di Trieste, 2015. http://hdl.handle.net/10077/11102.

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2013/2014<br>This research is focused on the condition monitoring of electrical machines and its long term purpose is to monitor electrical and mechanical faults at the same time, in non-stationary conditions (variable load and speed), with a single piece of hardware. The Instantaneous Angular Speed (IAS) measurement of an electrical machine is proposed and analysed in order to detect the fault development inside it. Chapter 1 introduces some basic principles about the maintenance of an electrical machine. Machine unscheduled downtimes are frequently caused by bearing faults, and rotor/stator
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Madamedon, Misan. "The characteristics of instantaneous angular speed of diesel engines for fault diagnosis." Thesis, University of Huddersfield, 2018. http://eprints.hud.ac.uk/id/eprint/34553/.

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Early fault detection and diagnosis of diesel engines are paramount now, especially with countries like the UK and France, in-line with the 2015 Paris agreement on climate change, making plans to ban the use of an automobile with diesel and petrol engines before the year 2040. This ban could affect other sectors where diesel engines are the prime mover and result in more stringent exhaust emission regulations. The instantaneous angular speed (IAS) model based fault diagnosis has shown more prospects of fault detection and location. However, there are serious gaps in available knowledge regardi
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Zhi, Shengke. "Development of an optical method to measure the instantaneous angular speed of machinery in condition monitoring." Thesis, University of Manchester, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.491490.

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A research programme is described to develop an optical method to measure the instantaneous angular speed (lAS) of machinery in condition monitoring. In this research, special consideration is given to the development ofa non-contact method of measuring IAS using a laser mouse. Further development of its application to the detection ofparallel misalignment fault in condition monitoring is described. This research requires multidisciplinary design, involving the knowledge from measurement, electrical instruments, optics, mechanical engineering, majntenance engineering, modelling and programming
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Sambayi, Patrick Mukenyi Kataku. "Drill wear monitoring using instantaneous angular speed : a comparison with conventional technologies used in drill monitoring systems." Diss., University of Pretoria, 2012. http://hdl.handle.net/2263/32282.

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Most drill wear monitoring research found in the literature is based on conventional vibration technologies. However, these conventional approaches still have not attracted real interest from manufacturers for multiples of reasons: some of these techniques are not practical and use complicated Tool Condition Monitoring (TCM) systems with less value in industry. In addition, they are also prone to give spurious drill deterioration warnings in industrial environments. Therefore, drills are normally replaced at estimated preset intervals, sometimes long before they are worn or by expertise
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Karkafi, Fadi. "Nonstationary vibration diagnostics of rotating machinery : Application to aeronautic power transmission systems." Electronic Thesis or Diss., Lyon, INSA, 2024. http://www.theses.fr/2024ISAL0132.

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Le bon fonctionnement des machines tournantes repose sur la surveillance vibratoire de composants rotatifs fragiles tels que les engrenages et les roulements. Concernant plus particulièrement le cas des systèmes de transmission de puissance en aéronautique, la surveillance vibratoire présente des défis considérables qui sont abordés dans cette thèse : (i) les régimes de fonctionnement non stationnaires, qui nécessitent l'adoption d'approches synchrones, (ii) les interactions complexes entre différents sous-systèmes, susceptibles de masquer ou perturber les signaux de diagnostic et (iii) le bru
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Sung, Yi-Che, and 宋易哲. "The Diagnosis of Engine Misfire by Analysing the Instantaneous Engine Angular Speed." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/02402455585634237218.

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碩士<br>國防大學理工學院<br>車輛及運輸工程碩士班<br>103<br>The main purpose of this study is to discuss the accuracy of the instantaneous angular speed (IAS) analysis methods using on the engine misfire detection. The IAS analysis is a common method to detect the engine malfunction of misfiring. The signal of IAS can be measured by the rotary encoder installed on the crankshaft or the camshaft. By analyzing the signal of the IAS, the principles of pattern recognition and threshold value setting were selected to identify the faulty cylinder. However, the characteristic of the “overlapping of the power stroke” in m
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Book chapters on the topic "Instantaneous Angular Speed"

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Moustafa, W., O. Cousinard, F. Bolaers, K. Ait Sghir, and J. P. Dron. "Low Speed Bearings’ Instantaneous Angular Speed Behavior." In Proceedings of the 9th IFToMM International Conference on Rotor Dynamics. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-06590-8_41.

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Gomez, Jose L., Adeline Bourdon, Hugo André, and Didier Rémond. "Modelling Roller Bearing Dynamics Inducing Instantaneous Angular Speed Variations." In Proceedings of the 9th IFToMM International Conference on Rotor Dynamics. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-06590-8_34.

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Spagnol, Marco, and Luigi Bregant. "Instantaneous Angular Speed Analysis, Measurement Errors and Signal Filtering." In Proceedings of the 9th IFToMM International Conference on Rotor Dynamics. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-06590-8_42.

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Roy, Sankar K., A. R. Mohanty, and C. S. Kumar. "Cepstrum Analysis of Instantaneous Angular Speed for Gearbox Fault Detection." In Advances in Mechanical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0124-1_99.

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Spagnol, M., and L. Bregant. "Instantaneous Angular Speed: Encoder-Counter Estimation Compared with Vibration Data." In Lecture Notes in Mechanical Engineering. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39348-8_29.

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Braut, Sanjin, Roberto Zigulic, Goranka Stimac, and Ante Skoblar. "Light Rotor-Stator Partial Rub Characterization Using Instantaneous Angular Speed Measurement." In Mechanisms and Machine Science. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09918-7_60.

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Bruand, Guillaume, Florent Chatelain, Pierre Granjon, Nadine Martin, Christophe Duret, and Hervé Lénon. "Estimating the Rotational Synchronous Component from Instantaneous Angular Speed Signals in Variable Speed Conditions." In Applied Condition Monitoring. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-11220-2_10.

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Roy, Sankar K., A. R. Mohanty, and C. S. Kumar. "Amplitude Demodulation of Instantaneous Angular Speed for Fault Detection in Multistage Gearbox." In Mechanisms and Machine Science. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09918-7_84.

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Spagnol, Marco, Luigi Bregant, and Alessandro Boscarol. "Electrical Induction Motor Higher Harmonics Analysis Based on Instantaneous Angular Speed Measurement." In Applied Condition Monitoring. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-20463-5_3.

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André, Hugo, Adeline Bourdon, and Didier Rémond. "Instantaneous Angular Speed Monitoring of a 2MW Wind Turbine Using a Parametrization Process." In Condition Monitoring of Machinery in Non-Stationary Operations. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28768-8_44.

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Conference papers on the topic "Instantaneous Angular Speed"

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Liu, Yuanhao, Fengshou Gu, and Qiang Zeng. "Analysis of Instantaneous Angular Speed Accuracy Considering Encoder Errors." In 2024 29th International Conference on Automation and Computing (ICAC). IEEE, 2024. http://dx.doi.org/10.1109/icac61394.2024.10718776.

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Zeng, Qiang, Mones Zainab, Yimin Shao, Fengshou Gu, and Andrew D. Ball. "Planetary gear fault diagnosis based on instantaneous angular speed analysis." In 2017 23rd International Conference on Automation and Computing (ICAC). IEEE, 2017. http://dx.doi.org/10.23919/iconac.2017.8081996.

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Arif, S. Javed, Imdadullah, and M. S. Jamil Asghar. "Rotating magnetic field based instantaneous angular speed measurement of low speed rotating machines." In 2011 International Conference on Multimedia, Signal Processing and Communication Technologies (IMPACT). IEEE, 2011. http://dx.doi.org/10.1109/mspct.2011.6150487.

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Lamraoui, M., M. Thomas, M. El Badaoui, and F. Girardin. "Cyclostationarity analysis of instantaneous angular speeds for monitoring chatter in high speed milling." In IECON 2012 - 38th Annual Conference of IEEE Industrial Electronics. IEEE, 2012. http://dx.doi.org/10.1109/iecon.2012.6389274.

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Kliemank, Martin Leonhard, Majid Ahmadzadeh, Robert Liebich, and Clemens Gühmann. "Instantaneous Angular Speed Estimation using Acoustic Emission in Gas Foil Bearings." In 2023 4th International Conference on Communications, Information, Electronic and Energy Systems (CIEES). IEEE, 2023. http://dx.doi.org/10.1109/ciees58940.2023.10378768.

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SAIAH, H., and J.-C. CLÉMENT. "DIESEL AND GAS ENGINES DIAGNOSIS BASED ON INSTANTANEOUS ANGULAR SPEED ANALYSIS." In ICSV24 2017. Institute of Acoustics, 2024. https://doi.org/10.25144/24086.

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Liang, Lin, Zhe Lei, Maolin Li, and Xiangwei Kong. "Feature Extraction of Gearbox based on Order Analysis of Instantaneous Angular Speed." In 2018 IEEE 7th Data Driven Control and Learning Systems Conference (DDCLS). IEEE, 2018. http://dx.doi.org/10.1109/ddcls.2018.8516049.

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Andre´, Hugo, Didier Re´mond, and Adeline Bourdon. "On the Use of the Instantaneous Angular Speed Measurement in Non Stationary Mechanism Monitoring." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47470.

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Power transmission faults are one important cause of machine downtime many production activities are working to prevail. Vibration monitoring tools have achieved this role on the assumption that the stationary condition hypothesis is maintained. Several industries, including wind energy production, are however demanding to observe mechanical or electrical rotating components behaviour at variable speeds. Instantaneous angular speed measurement has been recently proven able to detect localized faults in bearings using only an encoder close from the source of the defect. This paper presents the
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Zhao, Ming, Jing Lin, and Junhua Xu. "The measurement and error analysis of instantaneous angular speed using optical incremental encoder." In International Conference on Optical Instruments and Technology (OIT2011). SPIE, 2011. http://dx.doi.org/10.1117/12.902978.

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Sankarankutty, Rahul, Sagi Rathna Prasad, Piyush Shakya, and A. S. Sekhar. "Tacholess Instantaneous Speed Estimation of a Wind Turbine Gearbox Using Vibration Signals." In ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-103659.

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Abstract Early turbine component failures continue to be a problem in the wind energy sector with the gearbox being the costliest subcomponent to maintain. In this study, an in-house wind turbine experimental test rig has been designed to simulate the on-site transient wind speed and load conditions on a scaled-down 3-stage planetary gearbox. A total of 19 different wind profiles from commercial wind farms are validated from the measured vibration data using statistical performance criteria. Tracking the rotational speed, especially in a wind turbine gearbox operating in highly non-stationary
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