Relevant bibliographies by topics / Cycle skipping

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Cycle skipping'

Author: Grafiati
Published: 5 October 2024
Last updated: 31 July 2025

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Journal articles on the topic "Cycle skipping"

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Tunçer, Erdal, Tarkan Sandalci, Saban Pusat, Özgün Balcı, and Yasin Karagöz. "Cycle-skipping strategy with intake air cut off for natural gas fueled Si engine." Science Progress 104, no. 3 (2021): 003685042110310. http://dx.doi.org/10.1177/00368504211031074.

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In this study, cycle-skipping was investigated for a natural gas engine which has single cylinder, unsupercharged with 1.16 L volume and spark ignition. Additionally, inlet manifold air was switched off during cycle-skipping to minimize pumping losses. Thus, cycle-skipping strategy was carried out, and its effects on emission and engine performance were investigated. Indicated mean effective pressure, indicated efficiency, specific emissions (CO, HC, and NOX) and combustion characteristics (in-cylinder pressure and rate of heat release) were investigated in the study. As a result of performed
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Sherwani, Rabiah, Afsheen Masood, and Hafsah Sherwani. "Habitual Breakfast-Skipping as Predictor of Health Quality among Young Women." International Health Review 4, no. 1 (2024): 50–69. http://dx.doi.org/10.32350/ihr.41.04.

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Breakfast-skipping habit is quite common among women, especially adolescent girls. Resultantly, their mental health, physical activity level, and menstruation cycle get affected. A quantitative study was conducted to determine this phenomenon. The objective of this study was to determine the effect of breakfast-skipping habits on mental health, physical activity level, and menstruation cycle among women of ages ranging between 18-24 years. A sample of 93 women was selected from different colleges in Lahore. Their demographics, breakfast-skipping habits, mental health, physical activity level,
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Huang, Guanghui, Rami Nammour, and William W. Symes. "Source-independent extended waveform inversion based on space-time source extension: Frequency-domain implementation." GEOPHYSICS 83, no. 5 (2018): R449—R461. http://dx.doi.org/10.1190/geo2017-0333.1.

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Source signature estimation from seismic data is a crucial ingredient for successful application of seismic migration and full-waveform inversion (FWI). If the starting velocity deviates from the target velocity, FWI method with on-the-fly source estimation may fail due to the cycle-skipping problem. We have developed a source-based extended waveform inversion method, by introducing additional parameters in the source function, to solve the FWI problem without the source signature as a priori. Specifically, we allow the point source function to be dependent on spatial and time variables. In th
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Asano, Fumihiko, and Masashi Suguro. "Limit cycle walking, running, and skipping of telescopic-legged rimless wheel." Robotica 30, no. 6 (2011): 989–1003. http://dx.doi.org/10.1017/s0263574711001226.

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SUMMARYThis paper investigates the efficiency and properties of limit cycle walking, running, and skipping of a planar, active, telescopic-legged rimless wheel. First, we develop the robot equations of motion and design an output following control for the telescopic-legs' action. We then numerically show that a stable walking gait can be generated by asymmetrizing the impact posture. Second, we numerically show that a stable running gait can be generated by employing a simple feedback control of the control period, and compare the properties of the generated running gait with those of the walk
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Yao, Gang, Nuno V. da Silva, Michael Warner, Di Wu, and Chenhao Yang. "Tackling cycle skipping in full-waveform inversion with intermediate data." GEOPHYSICS 84, no. 3 (2019): R411—R427. http://dx.doi.org/10.1190/geo2018-0096.1.

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Full-waveform inversion (FWI) is a promising technique for recovering the earth models for exploration geophysics and global seismology. FWI is generally formulated as the minimization of an objective function, defined as the L2-norm of the data residuals. The nonconvex nature of this objective function is one of the main obstacles for the successful application of FWI. A key manifestation of this nonconvexity is cycle skipping, which happens if the predicted data are more than half a cycle away from the recorded data. We have developed the concept of intermediate data for tackling cycle skipp
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Thakur, Joyeeta, Monali Goswami, and Subho Roy. "Understanding menstrual characteristics from the perspective of reproductive energetics: a study on the adolescent Oraon tribal populations." Anthropological Review 83, no. 2 (2020): 109–28. http://dx.doi.org/10.2478/anre-2020-0009.

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AbstractThe energetic costs of ovarian functions rely on the oxidizable fuels synthesized from carbohydrate, protein and fat that contribute to body’s fat storage. Energy deficient diet in association with low body fat may disrupt normal ovulatory function and lead to several menstrual irregularities. We examined the association of nutritional status with menstrual characteristics among a group of adolescent Oraon tribal population of West Bengal, India. We selected 301 adolescent girls, aged 10-19 years. Information on socio-demographic status, menstrual characteristics and assessment of the
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Hu, Yong, Li-Yun Fu, Qingqing Li, Wubing Deng, and Liguo Han. "Frequency-Wavenumber Domain Elastic Full Waveform Inversion with a Multistage Phase Correction." Remote Sensing 14, no. 23 (2022): 5916. http://dx.doi.org/10.3390/rs14235916.

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Elastic full waveform inversion (EFWI) is essential for obtaining high-resolution multi-parameter models. However, the conventional EFWI may suffer from severe cycle skipping without the low-frequency components in elastic seismic data. To solve this problem, we propose a multistage phase correction-based elastic full waveform inversion method in the frequency-wavenumber domain, which we call PC-EFWI for short. Specifically, the seismic data are first split using 2-D sliding windows; for each window, the seismic data are then transformed into the frequency-wavenumber domain for PC-EFWI misfit.
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Carpenter, Chris. "Joint-Domain Full Waveform Inversion Avoids Cycle Skipping in Ultrashallow Water." Journal of Petroleum Technology 77, no. 02 (2025): 95–97. https://doi.org/10.2118/0225-0095-jpt.

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_ This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 219190, “Joint-Domain Full Waveform Inversion and Its Applications to Ultrashallow Water Oceanbottom-Node Data,” by Yang Yang, Han Yin, and Lian Duan, BGP, et al. The paper has not been peer reviewed. _ Full waveform inversion (FWI) is commonly used for high-resolution velocity model building. Conventional FWI with least-squares objective function often suffers from the problem of cycle skipping. This issue becomes prominent in subsurface structures with high complexity, significant deviations be
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Tunçer, Erdal, Tarkan Sandalcı, and Yasin Karagöz. "Investigation of cycle skipping methods in an engine converted to positive ignition natural gas engine." Advances in Mechanical Engineering 13, no. 9 (2021): 168781402110454. http://dx.doi.org/10.1177/16878140211045454.

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In this study, a single cylinder of 1.16 L, naturally aspirated engine was converted to a spark ignition engine, which was a diesel engine operating with natural gas as fuel. By placing electronic throttle, electronic ignition module, gas fuel injectors and proximity sensors on the test engine, the engine has been turned into a positive ignition engine that can work with natural gas as fuel, thanks to the electronic control unit developed by our project team. Then, in the study performed, different cycle skipping strategies were experimentally investigated at a constant engine speed of 1565 rp
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Qu, Shaobo, Yong Hu, Xingguo Huang, Jingwei Fang, and Zhihai Jiang. "Elastic Wave Phase Inversion in the Local-Scale Frequency–Wavenumber Domain with Marine Towed Simultaneous Sources." Journal of Marine Science and Engineering 13, no. 5 (2025): 964. https://doi.org/10.3390/jmse13050964.

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Elastic full waveform inversion (EFWI) is a crucial technique for retrieving high-resolution multi-parameter information. However, the lack of low-frequency components in seismic data may induce severe cycle-skipping phenomena in elastic full waveform inversion (EFWI). Recognizing the approximately linear relationship between the phase components of seismic data and the properties of subsurface media, we propose an Elastic Wave Phase Inversion in local-scale frequency–wavenumber domain (LFKEPI) method. This method aims to provide robust initial velocity models for EFWI, effectively mitigating
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Dissertations / Theses on the topic "Cycle skipping"

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Guo, Gaoshan. "Inversion de la forme d'onde complète à source étendue dans le domaine temporel : théorie, algorithme et application." Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ5014.

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La Full waveform inversion (FWI) est devenue la méthode d'imagerie de référence en exploration géophysique. FWI utilise les formes d'ondes complètes pour imager le sous-sol avec une résolution d'un demi longueur d'onde. Etant donné la dimension de l'espace des données et des modèles, la FWI est implémentée avec des méthodes d'optimisation locale sur un espace de recherche réduit où l'équation d'onde est résolue exactement à chaque itération. Cela requiert des modèles initiaux précis pour que les données simulées prédisent les données enregistrées sans saut de phase. Pour relâcher cette conditi
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Book chapters on the topic "Cycle skipping"

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Yan, Haitao, Zhao Le, Xueming Shi, et al. "Improved Particle Swarm Optimization for Rayleigh Wave Frequency-Velocity Spectrum Inversion." In Frontiers in Artificial Intelligence and Applications. IOS Press, 2024. https://doi.org/10.3233/faia241354.

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Rayleigh wave inversion plays a role in near-surface exploration at high resolution. Conventional dispersion curve inversion methods require to extract the dispersion curves manually, and their success depends heavily on personal experience. Mode misidentification is easily occurred in frequency-velocity spectrum with complex geological conditions, which increases the difficulties to extract the accurate dispersion curve. Full waveform inversion (FWI) is a prospective approach to resolve complex stratigraphic inversions avoiding manual dispersion curve extraction. However, the current applicat
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Civan, Peter, Renaud Rincent, Alice Danguy-Des-Deserts, Jean-Michel Elsen, and Sophie Bouchet. "Population Genomics Along With Quantitative Genetics Provides a More Efficient Valorization of Crop Plant Genetic Diversity in Breeding and Pre-breeding Programs." In Population Genomics. Springer International Publishing, 2021. http://dx.doi.org/10.1007/13836_2021_97.

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AbstractThe breeding efforts of the twentieth century contributed to large increases in yield but selection may have increased vulnerability to environmental perturbations. In that context, there is a growing demand for methodology to re-introduce useful variation into cultivated germplasm. Such efforts can focus on the introduction of specific traits monitored through diagnostic molecular markers identified by QTL/association mapping or selection signature screening. A combined approach is to increase the global diversity of a crop without targeting any particular trait.A considerable portion
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Conference papers on the topic "Cycle skipping"

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Ali, Rehman, Trevor Mitcham, and Nebojsa Duric. "Frequency-Differencing Method to Kickstart Waveform Inversion Without Cycle Skipping." In 2024 IEEE Ultrasonics, Ferroelectrics, and Frequency Control Joint Symposium (UFFC-JS). IEEE, 2024. https://doi.org/10.1109/uffc-js60046.2024.10794178.

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Ramos-Martínez, J., L. Qiu, J. Kirkebø, A. A. Valenciano, and Y. Yang. "Long-wavelength FWI updates beyond cycle skipping." In SEG Technical Program Expanded Abstracts 2018. Society of Exploration Geophysicists, 2018. http://dx.doi.org/10.1190/segam2018-2998433.1.

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DaI, W., X. Cheng, K. Jiao, and D. Vigh. "Iterative Least-squares Migration without Cycle Skipping." In First EAGE/SBGf Workshop on Least-Squares Migration. EAGE Publications BV, 2018. http://dx.doi.org/10.3997/2214-4609.201803064.

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Warner, Michael, Lluís Guasch, and Gang Yao*. "Adaptive Waveform Inversion – FWI Without Cycle Skipping." In 2015 Workshop: Depth Model Building: Full-waveform Inversion, Beijing, China, 18-19 June 2015. Society of Exploration Geophysicists, 2015. http://dx.doi.org/10.1190/fwi2015-003.

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Warner, M., and L. Guasch. "Adaptive Waveform Inversion - FWI Without Cycle Skipping - Theory." In 76th EAGE Conference and Exhibition 2014. EAGE Publications BV, 2014. http://dx.doi.org/10.3997/2214-4609.20141092.

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Guasch, L., and M. Warner. "Adaptive Waveform Inversion - FWI Without Cycle Skipping - Applications." In 76th EAGE Conference and Exhibition 2014. EAGE Publications BV, 2014. http://dx.doi.org/10.3997/2214-4609.20141093.

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Yang, Y., H. Yin, L. Duan, et al. "Joint-Domain Full Waveform Inversion and Its Applications to Ultra-Shallow Water OBN Data." In GOTECH. SPE, 2024. http://dx.doi.org/10.2118/219190-ms.

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Abstract Full Waveform Inversion (FWI) is nowadays commonly used for high-resolution velocity model building. Conventional FWI with least-squares objective function often suffers from cycle-skipping problem. This issue becomes prominent in subsurface structures with high complexity, significant deviations between the initial and true models, or a lack of low-frequency content in the data. To address the cycle-skipping problem, we present a novel Joint-Domain Full Waveform Inversion (JDFWI) framework optimizing travel time accuracy in both data and model domains. The model domain uses delay tim
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Guo, Q., T. Alkhalifah, and Z. Wu. "Velocity Building by Reflection Waveform Inversion without Cycle-skipping." In 79th EAGE Conference and Exhibition 2017. EAGE Publications BV, 2017. http://dx.doi.org/10.3997/2214-4609.201701003.

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Ramos-Martinez, J., A. Valenciano, X. Jiang, and N. Chemingui. "Robust FWI Updates in the Presence of Cycle Skipping." In 81st EAGE Conference and Exhibition 2019. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201900640.

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Wang, T., Y. Xie, M. Wang, et al. "Enhance Dynamic-Warping for FWI to Mitigate Cycle-Skipping." In 81st EAGE Conference and Exhibition 2019. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201901223.

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Reports on the topic "Cycle skipping"

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Development of an Adaptive Efficient Thermal/Electric Skipping Control Strategy Applied to a Parallel Plug-in Hybrid Electric Vehicle. SAE International, 2022. http://dx.doi.org/10.4271/2022-01-0737.

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In recent years automobile manufacturers focused on an increasing degree of electrification of the powertrains with the aim to reduce pollutants and CO2 emissions. Despite more complex design processes and control strategies, these powertrains offer improved fuel exploitation compared to conventional vehicles thanks to intelligent energy management. A simulation study is here presented aiming at developing a new control strategy for a P3 parallel plug-in hybrid electric vehicle. The simulation model is implemented using vehicle modeling and simulation toolboxes in MATLAB/Simulink. The proposed
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