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Journal articles on the topic 'Idling mode'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Xiao, Shenghao, and Si Cheng. "Research on noise control of automobile exhaust system under idling condition based on modal analysis." Advances in Mechanical Engineering 15, no. 1 (2023): 168781322211498. http://dx.doi.org/10.1177/16878132221149890.

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Correlational studies of vibration characteristics theory of exhaust system, optimization design of idling vibration control and the noise test analysis were conducted to solve the problems of body vibration and exhaust noise under idling condition. Firstly, the analysis of vibration mode, dynamic response and vibration transfer of exhaust system were carried out by using the simulation analysis, and the location of the exhaust system hangers were verified. Furthermore, the structure optimization schemes of exhaust system were proposed for exhaust noise reduction under idling condition based o

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2

Anisimov, A. S., V. A. Minakov, and V. O. Noskov. "Assessment of the effect of the diesel locomotive idlng on the wear of diesel parts." Herald of the Ural State University of Railway Transport, no. 1 (2022): 40–45. http://dx.doi.org/10.20291/2079-0392-2022-1-40-45.

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The idle time of shunting locomotives in standby mode is up to 50% of the working shift time. When the locomotive is idling in the cold season, it is necessary to maintain the diesel engine in the «hot» state, i.e. the diesel engine is idling, at different positions of the driver’s controller. The article presents research of the effect of the diesel locomotive in idle mode on the wear of the limiting parts of the diesel engine, namely, on the cylinder bushings of the locomotive. The method of calculating the amount of wear of parts depending on the operating time of the diesel engine at each

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Ardi, Putra Prasetya, Eliasta Sembiring Meliala Adrianus, and Sulhin Iqrak. "Desistance from Terrorism Forecasting: Idling Mode and Catalyst Event." International Journal of Social Science and Human Research 05, no. 06 (2022): 2012–31. https://doi.org/10.5281/zenodo.6605554.

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This study explains findings in the field related to the conditions faced by former terror perpetrators after undergoing a period of deradicalization. This study seeks to answer the question, “how is the forecasting of the typology of desistance from terrorism from terrorists who have stopped?” There are new findings related to forecasting conditions or events that can be a catalyst for former terrorists to return to commit acts of terror again. The forecast will include the development of idling mode conditions that tend to be experienced by former terror perpetrators. After idlin

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Yarymbash, D.S., M.I. Kotsur, S.T. Yarymbash, and T.Ye. Divchuk. "Hysteresis and Eddy Currents Effects Simulation in Idling Mode of the Transformer." Problemele Energeticii Regionale 1 (39) (April 24, 2019): 12–21. https://doi.org/10.5281/zenodo.2650413.

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The errors between the design parameters and experiment data of the power transformer in idle mode can reach 15-20% or more, because engineering techniques do not take into account in full all factors. Therefore, the aim of the work is to develop improved circuit models, which are interconnected with spatial electromagnetic field models. These models consider the active part design of the transformer, the hysteresis of the nonlinear magnetic properties of electrical steel, asymmetry and non-sinusoidal phase-to-phase currents and provide high accuracy determination of rated idling parameters of

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Wang, Kai, Vasilis A. Riziotis, and Spyros G. Voutsinas. "Aeroelastic stability of idling wind turbines." Wind Energy Science 2, no. 2 (2017): 415–37. http://dx.doi.org/10.5194/wes-2-415-2017.

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Abstract. Wind turbine rotors in idling operation mode can experience high angles of attack within the post-stall region that are capable of triggering stall-induced vibrations. The aim of the present paper is to extend the existing knowledge on the dynamics and aerodynamics of an idling wind turbine and characterize its stability. Rotor stability in slow idling operation is assessed on the basis of nonlinear time domain and linear eigenvalue analyses. The aim is to establish when linear analysis is reliable and identify cases for which nonlinear effects are significant. Analysis is performed

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Yoshida, Shigeo, and M. Fekry. "Influence of Excitation by Idling Rotor on Wind Turbine Ultimate Loads in Storm Conditions." Energies 17, no. 5 (2024): 1030. http://dx.doi.org/10.3390/en17051030.

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Typical large scale pitch-controlled wind turbines idle their rotors during storm conditions. The design loads of wind turbines are calculated by aeroelastic simulations under various conditions. These include grid loss and failures, which can increase rotor speed and excite the first-mode of the tower bending. In this study, the influences of self-excitation by the idling rotor on the ultimate loads in storm conditions were investigated. Aeroelastic simulations were conducted for a three-bladed 5 MW upwind turbine as an example, under steady and extreme turbulent wind conditions according to

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Fawzi, Mas, Mohd Norfaiz Hashim, Fathul Hakim Zulkifli, and Shahrin Hisham Amirnordin. "Optimizing the Ignition Timing of a Converted CNG Mono-Gas Engine." Applied Mechanics and Materials 554 (June 2014): 474–78. http://dx.doi.org/10.4028/www.scientific.net/amm.554.474.

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Governmental policies on renewable energy and environmental act are aggressively being enforced to mitigate recent climate change. Natural gas is not renewable but it is the most abundant and has the lowest Lifecycle CO2emission among fossil fuel. Realizing such promising alternative, many logistics and transportation companies are converting their existing diesel-fueled vehicle to CNG-fueled. Researchers have shown that CNG engines offer advantages compared to diesel and gasoline engines such as high efficiency and low emissions. Prior to this work, a 4.3L 4-cylinder diesel engine was modifie

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Mischenko, T. M. "Mathematic simulation of transient process in a. c – system “electric – traction – network – locomotive” 2. Switch on the main locomotive’s power converter in “free pay” mode; definition and analysis current surge of magnetization." Science and Transport Progress, no. 37 (June 25, 2011): 100–104. http://dx.doi.org/10.15802/stp2011/9453.

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The article is a continuation of analysis of mathematical models for AC systems, in which the elements of electric-traction network and switch-on of power transformer in an idling mode are gradually connected. The numerical calculations and analysis of current of transformer magnetization are executed.

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Уханов, Александр, Aleksandr Ukhanov, Денис Уханов, et al. "FEATURES OF THE DIESEL RUNNING BY CAMELINA-MINERAL FUEL IN THE MODE OF INDEPENDENT IDLING." Bulletin Samara State Agricultural Academy 2, no. 3 (2017): 15–19. http://dx.doi.org/10.12737/17446.

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The mode of independent idling, characterized by an impaired process flow, unproductive fuel consumption and increased emissions of harmful substances into the atmosphere, is the most unfavorable mode of the diesel engine operation. Therefore, the aim of the research is to reveal the peculiarities of the tractor diesel engine operation by the camelina-mineral fuel in the mode of independent idling. Camelina-mineral fuel is a mixture of camelina oil and mineral diesel fuel in certain ratio of these components. To assess the possibility of using the camelina oil as biological component of diesel

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Pang, Kaili, Xiangrui Meng, Shuai Ma, and Ziyuan Yin. "Characterization of Pollutant Emissions from Typical Material Handling Equipment Using a Portable Emission Measurement System." Atmosphere 12, no. 5 (2021): 598. http://dx.doi.org/10.3390/atmos12050598.

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Non-road equipment has been an important source of pollutants that negatively affect air quality in China. An accurate emission inventory for non-road equipment is therefore required to improve air quality. The objective of this paper was to characterize emissions from typical diesel-fueled material handling equipment (loaders and cranes) using a portable emission measurement system. Instantaneous, modal, and composite emissions were quantified in this study. Three duty modes (idling, moving, and working) were used. Composite emission factors were estimated using modal emissions and time-fract

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Ryu, Seokwon, Dongju Kim, Booyoung Lee, Doohee Han, Insoo Jung, and Jintai Chung. "Idle Vibration Reduction of a Diesel Sport Utility Vehicle." Applied Sciences 12, no. 11 (2022): 5448. http://dx.doi.org/10.3390/app12115448.

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This paper presents a study on the idle vibration reduction of a diesel sport utility vehicle (SUV). To reduce idle vibration, the transmission paths of vibration from the engine to the driver seat floor were investigated with the vehicle components related to idle vibration. Furthermore, operational deflection shape (ODS) tests were conducted to visualize the vibration shapes during engine idling. Experimental modal analyses were performed to obtain the natural frequencies and mode shapes. Through the ODS and modal tests, the vibration characteristics of the diesel SUV during idling were iden

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Ukhanov, D. A., and A. P. Ukhanov. "Advanced method of motor and tractor diesels operation control at no-load mode and machinery for its implementation." Traktory i sel hozmashiny 79, no. 7 (2012): 27–28. http://dx.doi.org/10.17816/0321-4443-69457.

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Advanced method of motor and tractor diesels' operation control at no-load mode and machinery for its implementation are described. The mode of periodically repeating strokes of cutting of fuel feed and its subsequent resumption on the level securing the most economic behavior of diesel engine operation in the reduced rotating frequency range of a crankshaft allows to lower the hourly fuel consumption and to improve the ecological indicators in comparison with diesel engine operation in typical operating conditions of independent idling.

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Reynolds, Andrew M., Hayley B. C. Jones, Jane K. Hill, et al. "Evidence for a pervasive ‘idling-mode’ activity template in flying and pedestrian insects." Royal Society Open Science 2, no. 5 (2015): 150085. http://dx.doi.org/10.1098/rsos.150085.

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Understanding the complex movement patterns of animals in natural environments is a key objective of ‘movement ecology’. Complexity results from behavioural responses to external stimuli but can also arise spontaneously in their absence. Drawing on theoretical arguments about decision-making circuitry, we predict that the spontaneous patterns will be scale-free and universal, being independent of taxon and mode of locomotion. To test this hypothesis, we examined the activity patterns of the European honeybee, and multiple species of noctuid moth, tethered to flight mills and exposed to minimal

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14

Li, Qing, Fengxiang Qiao, Lei Yu, Shuyan Chen, and Tiezhu Li. "Digital Signal Processing Approach to Identify the Boundary of Vehicle Idle Status during Operation." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 25 (2018): 35–45. http://dx.doi.org/10.1177/0361198118791614.

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The MOVES is a tool to estimate on- and off-road emissions, in which 23 operating mode identification bins were defined based on vehicles’ specific power, speed, and acceleration. Bin 1 indicates an idling mode with the speed within 1.0 mph. However, the speed boundary in an earlier model of MOBILE 6.2 was 2.5 mph. Neither the change in the idling definition of the two models nor the speed boundary were investigated and discussed. This study proposed a method to theoretically redefine the idle boundary by characterizing vehicle emission rates. Vehicle speeds close to 0 mph were carefully studi

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Ovsyannikov, Dmitry, and Dmitry Shprekher. "Coordinated control of a multi-motor electric drive of a scraper conveyor." Известия высших учебных заведений. Электромеханика 68, no. 1 (2025): 49–57. https://doi.org/10.17213/0136-3360-2025-1-49-57.

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The problem of mechanical power imbalance in electric drive is considered. The existing methods of mechanical power equalization in multi-motor electric drive are analyzed and the method based on sliding mode is proposed. The results of modeling in MATLAB/Simulink environment showed that the proposed method provides the balance of mechanical power distribution between the drive motors in all modes of operation of the scraper conveyor (start-up, sudden increase in load and stop), both idling and high load with an error of no more than 5%.

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Korshunov, Anatoly. "Investigation of Properties of Single-Phase Asynchronous Motor Taking Into Account Mutual Influence of Electromagnetic and Mechanical Processes." Известия высших учебных заведений. Электромеханика 65, no. 1 (2022): 69–76. http://dx.doi.org/10.17213/0136-3360-2022-1-69-76.

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It is shown on the mathematical model of a single-phase asynchronous motor (IFAD) the possibility of its "self-start" and when powered by a voltage source. As with power supply from a current source, it causes instability of static conditions of IFAD equilibrium. Experimentally, a mechanical characteristic of a single-phase asynchronous motor was obtained on a mathematical model with the assumption of vanishingly small pulsations of the rotation speed. It is established that a single-phase asynchronous motor has several speeds of ideal idling, of which only a part corresponds to a stable mode

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17

Wang, Hanyu, Qingyao Hu, Cheng Huang, Kaifa Lu, Hongdi He, and Zhonren Peng. "Quantification of Gaseous and Particulate Emission Factors from a Cargo Ship on the Huangpu River." Journal of Marine Science and Engineering 11, no. 8 (2023): 1580. http://dx.doi.org/10.3390/jmse11081580.

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Exhaust emissions from ships have garnered significant attention because of their impact on global climate change, deterioration of air quality, and potential risks to human health. Consequently, it is necessary and urgent to quantify the gaseous and particulate emission factors (EFs) of ships in a local area. In order to supplement native EF profile data, an inland cargo ship in China was selected for measuring gaseous and particle pollutants under real-world operation modes. The fuel-based EFs of carbon dioxide, carbon monoxide (CO), nitrogen oxides, and hydrocarbons (THC) were 2965–3144 g/k

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Shao, Kang Li, Feng Wang, and Yong Hai Wu. "Modal and Vibration Analysis of a Trator Frame Based on FEM." Applied Mechanics and Materials 373-375 (August 2013): 16–19. http://dx.doi.org/10.4028/www.scientific.net/amm.373-375.16.

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Modal analysis and vibration analysis is the foundation of dynamic characteristics analysis and it is the most important methods to analyze the inherent characteristics and mode shapes of the system. In this paper, the airport tractor frame is taken as the research object and its geometric model is established by Pro / E, 10 order modal and shapes of tractor frame is obtained by ANSYS. The results showed that: the first and second frequency of the frame is avoided the engine idling, the outbreak frequency, and excitation frequency in normal driving road. The entire frame meets the requirement

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Alvianto, Yudha, Andy Hardianto, and Silviana. "Analisis Mesin Mixer Pakan Ternak Dengan Metode Six Big Losses, FMEA dan LTA (Studi Kasus pada Koperasi Agro Niaga Jabung Syariah Unit Sarana Produksi Pakan Ternak - SAPRONAK)." JURNAL FLYWHEEL 14, no. 2 (2023): 1–10. http://dx.doi.org/10.36040/flywheel.v14i2.7283.

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Koperasi Agro Niaga Jabung Syariah pada unit Sarana Produksi Pakan Ternak (SAPRONAK) adalah sebuah perusahaan dibidang manufaktur yang memproduksi pakan ternak sapi perah dan sapi potong. Mesin produksi yang digunakan yaitu mesin horizontal mixer tipe pengaduk paddle mixer dengan kapastias 2.000 kg per batch serta memiliki 6 buah paddle. Perusahaan mengalami downtime tepatnya 1 tahun terakhir, yang mana pada bulan Januari 2022 – Januari 2023 sebesar 3.420 menit. Dengan adanya latar belakang permasalahan tersebut, penulis ingin melakukan analisis penyebab permasalahan yang menyebabkan downtime

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Liao, Shu Hua, Wei Zhang, Li Liu, and Guo Bing Liu. "A Car Exhaust System Hook Position Optimization Analysis." Applied Mechanics and Materials 778 (July 2015): 3–9. http://dx.doi.org/10.4028/www.scientific.net/amm.778.3.

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Based on the study of a car exhaust system, use HyperMesh Software and its build-in finite element software to build FEM , Analysis the free modal of exhaust system, Calculate its natural frequency, Then optimize the position of hook based on the ways of average degrees of freedom (ADDOFD), Makes its modal frequencies avoiding engine idling frequency. Finally, through the calculated constraint mode, Verify whether coupling with the excitation frequency of engine, and further verify the reasonableness of the position of the hook.

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Zhang, Yang, and Nobuo Kurihara. "A study of integral sliding mode control with input constraint for engine idling-speed control." IEEJ Transactions on Electrical and Electronic Engineering 7, no. 2 (2011): 214–19. http://dx.doi.org/10.1002/tee.21718.

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Gritsenko, Alexandr, Vladimir Shepelev, Semen Fedoseev, and Tatyana Bedych. "INCREASE IN THE FUEL EFFICIENCY OF A DIESEL ENGINE BY DISCONNECTING SOME OF ITS CYLINDERS." Facta Universitatis, Series: Mechanical Engineering 21, no. 4 (2023): 657. http://dx.doi.org/10.22190/fume210914002g.

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In fuel economy, a rising level of interest in heavy duty diesel engines that industry has witnessed over the last few years continues to go up and this is not likely to change. Lowering the fuel consumption of all internal combustion engines remains a priority for years to come, driven by economic, legislative, and environmental reasons. According to statistics, the share of operating expenses to ensure transport operations in industrial production is 15-20%, wherein 16-30% of the total volume of transport operations concerns a car, tractor, and trailer. During transport operations, the engin

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Wang, Er Bing, Hong Zhou, Hai Qing Xu, Fang Zhang, and Jing Wang. "Vehicle Interior Low Frequency Noise Optimum Using Substructure Modal Synthesis Method." Advanced Materials Research 396-398 (November 2011): 2206–12. http://dx.doi.org/10.4028/www.scientific.net/amr.396-398.2206.

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Combined with the structural dynamic model of a car set up with the substructure modal synthesis method, body panels acoustic contribution was analyzed to reduce the in-car structural noise in low frequency range. The driver-right-ear position was selected as acoustic response point, with the operational vibration response of the dynamic model as boundary condition for acoustic BEM (boundary element model), the panels that attribute most to the in-car noise were located according to ATV (acoustic transfer vector) results. After the vibrational restraint of the crucial panels by corresponding e

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Kumari, C. Shyamala. "Electric Assisted Hybrid Vehicle." International Journal for Research in Applied Science and Engineering Technology 12, no. 1 (2024): 1134–38. http://dx.doi.org/10.22214/ijraset.2024.58070.

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Abstract: This is a concept realised were a fuel driven vehicles can be operated in Parallel Hybrid mode. This will be a continuous parallel operation. Power delivered to the wheels in parallel to the fuel drive is adjustable. Fuel delivered power and Electric delivered power are paralleled at the wheels. Drive Battery for the run is a smaller capacity and can cater few Kilo meters of run. This drive battery is trickle charged with the power and the to the capacity of the engines idling condition and maximum power from the engine survival RPM. This is to counter hampering circulated power draw

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Tihanov, G., and N. Ivanov. "Fuel consumption of a machine-tractor unit in direct sowing of wheat." Agricultural Science and Technology, Volume 13, Issue 1 (March 2021): 40–42. http://dx.doi.org/10.15547/ast.2021.01.007.

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Abstract. A study has been conducted on the fuel consumption in direct sowing of wheat with a Horsch Avatar 6.16 SD direct seeder aggregated to a John Deere 7250 R tractor. The experimental field (29.53 ha) was sown with winter soft wheat (Silverio variety) at a sowing rate of 195 kg/ha. The data from the sowing unit were collected using the JD Link telematics system, downloaded from the system and imported and compiled in a database. Fuel consumption was analyzed in accordance with the operation mode, the idle mode and the transportion mode of the machine-tractor unit. It was found that the a

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Y, Gutarevych, Kukhtyk N, and Kukhtyk V. "REDUCTION OF THE CAR ENGINE WARMING TIME WHEN USING AN ADDITIONAL HEAT SOURCE." National Transport University Bulletin 1, no. 48 (2021): 117–28. http://dx.doi.org/10.33744/2308-6645-2021-1-48-117-128.

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The article presents the results of additional experimental studies about the effect of heat supply to the intake air on the parameters and characteristics of the process of warming up the engine of a car. The aim of the work is to accelerate the car engine warming after starting at low temperatures. The research method is an experimental determination of the characteristics of active idling and concentrations of pollutants in the exhaust gases of the engine. The tests were performed when the car's engine was idling without heating the inlet air and with heating the inlet air through the air i

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Solomin, E. V., E. A. Sirotkin, and I. M. Kirpichnikova. "Efficiency Analysis of the Friction Material for the Wind Turbine Braking System." Solid State Phenomena 284 (October 2018): 1321–26. http://dx.doi.org/10.4028/www.scientific.net/ssp.284.1321.

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The paper presents a research in identification of optimal conditions for friction material operation in the wind turbine braking system. The component composition of friction material includes brass (binder material); steel (fibers); iron oxide (fillers); cuprum, graphite and metal sulphides (friction modifier); aluminum (abrasive). The dependence of its frictional characteristics on the operating temperature is presented. We also presented the simulation of several modes of the wind turbine braking system. The most optimal operation mode for the friction material is the wind turbine rotor br

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Brulfert, J., M. Kluge, D. Guerrier, and O. Queiroz. "Characterization of carbon metabolism in Opuntia ficus-indica Mill. exhibiting the idling mode of Crassulacean acid metabolism." Planta 170, no. 1 (1987): 92–98. http://dx.doi.org/10.1007/bf00392385.

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Gao, Zhiming, Zhenhong Lin, and Oscar Franzese. "Energy Consumption and Cost Savings of Truck Electrification for Heavy-Duty Vehicle Applications." Transportation Research Record: Journal of the Transportation Research Board 2628, no. 1 (2017): 99–109. http://dx.doi.org/10.3141/2628-11.

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An evaluation was made of the application of battery electric vehicles (BEVs) and GenSet plug-in hybrid electric vehicles (PHEVs) to Class-7 local delivery trucks and GenSet PHEV for Class-8 utility bucket trucks over widely real-world driving data performed by conventional heavy-duty trucks. GenSet refers to a PHEV range extension mode in which the PHEV engine is used only to generate electricity and charge the battery if the PHEV battery is out of electrical energy. A simulation tool based on vehicle tractive energy methodology and component efficiency for addressing component and system per

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Capotosto, Paolo, Claudio Babiloni, Gian Luca Romani, and Maurizio Corbetta. "Resting-state Modulation of Alpha Rhythms by Interference with Angular Gyrus Activity." Journal of Cognitive Neuroscience 26, no. 1 (2014): 107–19. http://dx.doi.org/10.1162/jocn_a_00460.

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The default mode network is active during restful wakefulness and suppressed during goal-driven behavior. We hypothesize that inhibitory interference with spontaneous ongoing, that is, not task-driven, activity in the angular gyrus (AG), one of the core regions of the default mode network, will enhance the dominant idling EEG alpha rhythms observed in the resting state. Fifteen right-handed healthy adult volunteers underwent to this study. Compared with sham stimulation, magnetic stimulation (1 Hz for 1 min) over both left and right AG, but not over FEF or intraparietal sulcus, core regions of

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Arum Fauzan Nur Syamsi. "Analisis Perhitungan Overall Equipment Effectiveness (OEE) Untuk Peningkatan Nilai Efektivitas Mesin Sewing Line 10 Pada PT. PAN Brothers." Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika 2, no. 4 (2024): 145–61. http://dx.doi.org/10.61132/jupiter.v2i4.397.

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Developments in the world of manufacturing industry are increasing, very tight industrial competition is encouraging industry to increase production effectiveness. PT. PAN Brothers is a manufacturing industry located in Boyolali, Central Java. PT. PAN Brothers produces clothing types such as jackets, coats, ski jackets, down jackets, tracksuits, travel pants and so on. During the production process, sewing machines have problems, namely machine damage. This research aims to analyze the effectiveness of sewing machine performance using the Overall Equipment Effectiveness (OEE) method and provid

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Ludlam, David Vicente, Pim Jacobs, and Aqeel Ahmed. "Impact of rotor blade aerodynamics on tower vortex induced vibration of modern wind turbines." Journal of Physics: Conference Series 2767, no. 2 (2024): 022058. http://dx.doi.org/10.1088/1742-6596/2767/2/022058.

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Abstract Modern wind turbines in standstill or idling could experience vortex induced vibrations (VIV); the origin of these vibrations is either shedding from the wind turbine blade referred to as blade VIV or shedding from tower termed as tower (or turbine) VIV. When the whole structure of the wind turbine is considered and the blades are pitched out, the dominant 1st order mode for blade deformation in edgewise direction leads to negligible motion of the tower top, while when the whole turbine vibrates with first tower mode, blades also undergo significant periodic translations and deformati

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Shan, Xiaonian, Xiaohong Chen, Wenjian Jia, and Jianhong Ye. "Evaluating Urban Bus Emission Characteristics Based on Localized MOVES Using Sparse GPS Data in Shanghai, China." Sustainability 11, no. 10 (2019): 2936. http://dx.doi.org/10.3390/su11102936.

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Bus emissions have become one of the important contributing factors in urban environmental pollution due to the frequent use of heavy-duty diesel engines in the day-time. Local bus driving cycles have a significant influence on bus emissions under the different traffic conditions. This study investigated the operation mode distributions and emission characteristics for urban buses based on localized MOtor Vehicle Emission Simulator (MOVES) using sparse Global Position System (GPS) data in Shanghai, China. Sparse GPS data from forty-three buses were prepared, and then bus trajectories were reco

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Copec, Kresimir, Igor Dukic, Dubravko Filipovic, and Igor Kovacev. "Analysis of Vibration Characteristics of Single-Axle Tractors with Gasoline and Diesel Engine." Journal of Agricultural Safety and Health 29, no. 3 (2023): 145–57. http://dx.doi.org/10.13031/jash.15464.

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Highlights Operators of single-axle tractors are exposed to high levels of hand-arm vibrations. A single-axle tractor with a gasoline engine produces lower vibrations than a tractor with a diesel engine. The daily working time with the single-axle tractor should be limited to protect the operators. If daily vibration exposure is not limited, hand-arm vibration syndrome may occur in a relatively short time. Abstract. Single-axle tractors are often the only source of mechanical power for agricultural activities on small farms, but operators are exposed to high levels of hand-arm vibrations trans

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Okabe, Sakiichi, Yoshitugu Kamiya, and Takahiro Oda. "Study on the Sheet Escape and Feeding Mechanism Using Ultrasonic Vibration (1st Report) - Design Concept and Its Experimental Investigation -." Journal of Robotics and Mechatronics 5, no. 4 (1993): 363–68. http://dx.doi.org/10.20965/jrm.1993.p0363.

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This paper describes sheet feeding method and its design concept using the ultrasonic vibration actuator. The ultrasonic vibration is generated by two sets of piezoelectric actuators. It is an elliptic vibration mode, which rotates two vibration modes in the <I>Y-Z</I> and <I>X-Y</I> planes. This paper also presents a direct drive method using vibratory rotor and an indirect drive method using the idling rotor about sheet feeding mechanism, and it verifies theoretical relations between amplitude UZ1 and sheet feeding speed <I>VH</I> ,<I>VH</I>* a

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Deng, Wei, Zheng Fang, Zhaoyi Wang, et al. "Primary emissions and secondary organic aerosol formation from in-use diesel vehicle exhaust: Comparison between idling and cruise mode." Science of The Total Environment 699 (January 2020): 134357. http://dx.doi.org/10.1016/j.scitotenv.2019.134357.

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Setyowati Rahayu, Suparni, Totok Prasetyo, Purwanto Purwanto, and Budiyono Budiyono. "Biogas Productivity as Renewable Energy and Performance of Waste Water Treatment in Tofu Small Scale Industry using an AnSBR Reactor." MATEC Web of Conferences 156 (2018): 03049. http://dx.doi.org/10.1051/matecconf/201815603049.

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A research that analyzed the relationship between biogas production as renewable energy and performance of waste water treatment in tofu small industry using AnSBR reactor has been conducted. This research used system operation method in batches in to get a description of how the biogas production system works as it was operated in the batch mode, which is applied in tofu industry. An instrument capable of operation in batch mode using AnSBR reactor was designed as it does not require sludge re-circulation. An AnSBR reactor includes five stages of; filling, reaction, settling, decanting, and s

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Zhiwei, Cheng, and Lu Yigang. "Diagnosis and analysis of abnormal noise in the pure electric vehicle’s air condition compressor at idle." Journal of Low Frequency Noise, Vibration and Active Control 37, no. 4 (2018): 711–24. http://dx.doi.org/10.1177/1461348418765950.

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A pure electric vehicle may produce an abnormal ‘clicking noise’ when idling, especially as start-up, which can be a serious problem in terms of product performance. In this paper: (1) professional evaluators carry out subjective evaluations and the abnormal noise-generation mechanism and its transfer path are analysed; (2) the mode shape and sound pressure distribution are both simulated using the finite element method; (3) the AC compressor’s sound source is identified and located in the main frequency domain using the acoustic array and image formation method, so vibration and interior vehi

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Xu, Dingmin, Hongyang Yu, Wenjie Cai, Jiacheng Xu, and Jiaqiang Li. "Primary Particulate Matter and Aerosol Emissions from Biodiesel Engines During Idling in Plateau Environments of China." Sustainability 17, no. 3 (2025): 976. https://doi.org/10.3390/su17030976.

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Diesel vehicles are recognized as significant mobile sources of particulate matter emissions. As a renewable and environmentally friendly alternative to conventional fossil diesel, biodiesel offers the benefit of reducing greenhouse gas emissions. However, existing research on biodiesel emissions primarily focuses on primary emissions, with a limited understanding of their impact on secondary organic aerosol (SOA) formation. In this study, a diesel engine test bench was employed under idle conditions using three commonly used biodiesel blends. Exhaust emissions were directly introduced into th

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Afanasyev, Alexander A., Valeriy S. Genin, Vladimir A. Vatkin, and Nadezhda N. Ivanova. "MODEL OF AN ADJUSTABLE ELECTROMAGNETIC GEARBOX WITH A THREE-PHASE STATOR WINDING IN THE STATE SPACE." Vestnik Chuvashskogo universiteta, no. 1 (March 25, 2021): 5–18. http://dx.doi.org/10.47026/1810-1909-2021-1-5-18.

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A magnetic gearbox with a three-phase stator winding, powered by a static frequency converter with a sinusoidal current, which is in phase or in antiphase with the EMF of the idling winding, will have in this mode the maximum values of the electromagnetic moments of the shafts proportional to the stator current. Such a gearbox will have no “overturning” of the rotors as long as the frequency converter is able to increase its current with increasing load.  The electromagnetic moments of the rotors of the magnetic gear are a consequence of the presence of the electromagnetic moment

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Reditya Chiesa Ramadhan, Unung Lesmanah, Mochammad Basjir, Nur Robbi, and Rangga Ega Santoso. "ANALISIS NILAI OVERALL EQUIPMENT EFFECTIVENESS PADA MESIN PACKER FOCKE FX 2 DI PT ABC." Ring Mechanical Engineering 5, no. 1 (2024): 49–57. https://doi.org/10.33474/rme.v5i1.23696.

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This study carried out to overcome the performance and efficiency problems of the Packer Focke FX 2 machine at PT. ABC. The study uses descriptive quantitatie approach to analyze Overall Equipment Efetiveness (OEE) value. The resultof OEE value is analyzed by Six Big Losses method to find the losses factors and used the failure mode Effect Analysis (FMEA) method with fishbone diagram to find its root causes and provide suggestion for improvement. The result of the study is OEE value from the period of June 2024 to Ugust 2024, which was 43,4 %. This result is lower than the world standart OEE o

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Baran, P., Y. Varetsky, V. Kidyba, and Y. Pryshliak. "A mathematical model for the virtual simulator of the power unit electrical part." IOP Conference Series: Materials Science and Engineering 1216, no. 1 (2022): 012009. http://dx.doi.org/10.1088/1757-899x/1216/1/012009.

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Abstract The mathematical model is developed for a virtual training system (simulator) of the power unit electrical part operators of a thermal (nuclear) power plant. The model is used to simulating the main operating conditions of the power unit electrical part: generator idling, generator synchronization with the power system, excitation shifting from the main unit to the backup one and vice versa, switching in the power unit auxiliary system, and others. Furthermore, it has been implemented modelling some probable emergency conditions within a power plant: incomplete phase switching, damage

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Lee, Seokwon, Inmo Ban, Myeongjin Lee, Yunho Jung, and Wookyung Lee. "Architecture Exploration of a Backprojection Algorithm for Real-Time Video SAR." Sensors 21, no. 24 (2021): 8258. http://dx.doi.org/10.3390/s21248258.

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This paper explores novel architectures for fast backprojection based video synthetic aperture radar (BP-VISAR) with multiple GPUs. The video SAR frame rate is analyzed for non-overlapped and overlapped aperture modes. For the parallelization of the backprojection process, a processing data unit is defined as the phase history data or range profile data from partial synthetic-apertures divided from the full resolution target data. Considering whether full-aperture processing is performed and range compression or backprojection are parallelized on a GPU basis, we propose six distinct architectu

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Al Mahturi, F. S., and D. V. Samokhvalov. "Steel losses analysis in of a BLDC motor using linear approximation of voltage pulses." LETI Transactions on Electrical Engineering & Computer Science 15, no. 5/6 (2022): 80–90. http://dx.doi.org/10.32603/2071-8985-2022-15-5/6-80-90.

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Analysis of iron loss of a BLDC motor is of particular interest at the design stage or when researching methods to improve energy efficiency. Most of the existing methods for determining losses in steel are based on the analysis of losses for individual harmonic components of induction with their subsequent summation. However, the application of these methods for various forms of voltage obtained at the output of the converter is incorrect due to the non-linearity of magnetic circuits. This paper proposes a method for determining steel losses of BLDC motor using a linear approximation of volta

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Maulana, Muhammad Bagus, and Dzakiyah Widyaningrum. "Analysis of the Effectiveness of Automatic Lathes Using the OEE and FMEA Methods." Advance Sustainable Science Engineering and Technology 5, no. 3 (2023): 0230309. http://dx.doi.org/10.26877/asset.v5i3.17214.

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UD AMJ Jaya Teknik is a manufacturing company that produces various kinds of construction products and spare parts, one of which is boshing products made using an automatic lathe. This research aims to identify the performance of automatic lathe machines to measure the productivity of automatic lathe machines using Overall Equipment Effectiveness and using the Failure Mode and Effect Analysis method. Based on the advantages of OEE, further analysis is carried out to calculate the six big losses. The results obtained from the OEE calculation of 68.22%, this value does not meet the standard idea

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Kumar, Ravindra, Purnima Parida, Bhujang Kanga Durai, and Wafaa Saleh. "How real‐world driving cycle differs in heterogeneous traffic conditions: a case study in Delhi." World Journal of Science, Technology and Sustainable Development 10, no. 1 (2013): 66–80. http://dx.doi.org/10.1108/20425941311313119.

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PurposeHeterogeneous traffic in Delhi is complex to understand due its typical composition, speed acceleration, cruising, deceleration and idling activity in flow. To arrive at accurate emission factor estimates and implement proper traffic demand management there is need to understand microscopic vehicle operation activity. The vehicular operations are easily quantified by understanding driving cycle of the particular vehicle in real world driving conditions. The purpose of this paper is to present a study on the understanding of driving conditions in India that are heterogeneous in nature.De

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Devriendt, Christof, Filipe Magalhães, Wout Weijtjens, Gert De Sitter, Álvaro Cunha, and Patrick Guillaume. "Structural health monitoring of offshore wind turbines using automated operational modal analysis." Structural Health Monitoring 13, no. 6 (2014): 644–59. http://dx.doi.org/10.1177/1475921714556568.

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This article will present and discuss the approach and the first results of a long-term dynamic monitoring campaign on an offshore wind turbine in the Belgian North Sea. It focuses on the vibration levels and modal parameters of the fundamental modes of the support structure. These parameters are crucial to minimize the operation and maintenance costs and to extend the lifetime of offshore wind turbine structure and mechanical systems. In order to perform a proper continuous monitoring during operation, a fast and reliable solution, applicable on an industrial scale, has been developed. It wil

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Shubenko, Oleksandr, Svitlana Alyokhina, Volodymyr Goloshchapov, Olga Kotulska, Tetyana Paramonova, and Daria Senetska. "POWER EXPENSES TO DRIVE A TURBINE STAGE UNDER LOW-FLOW MODES." Bulletin of the National Technical University "KhPI". Series: Hydraulic machines and hydraulic units, no. 2 (June 4, 2023): 12–17. http://dx.doi.org/10.20998/2411-3441.2022.2.02.

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The task of determining the power consumption during the operation of the turbine stage in the low-cost mode is considered. To solve it, a theoreticalexperimental approach was used, based on the one-dimensional theory of the movement of a incompressible working medium and the results of an experimental study of a number of models of large fanning degrees, in which the working medium is air. When operating heating turbines, the lowpressure cylinders work in the area of low-cost modes up to 85 % of the time, both with a partially and completely closed rotary diaphragm of the regulating stage. Wh

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Guste, Rex Revian A., Klint Allen A. Mariñas, and Ardvin Kester S. Ong. "Efficiency Analysis of Die Attach Machines Using Overall Equipment Effectiveness Metrics and Failure Mode and Effects Analysis with an Ishikawa Diagram." Machines 12, no. 7 (2024): 467. http://dx.doi.org/10.3390/machines12070467.

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The semiconductor manufacturing sector has contributed to the advancement of technical development in the sphere of industrial applications, but one crucial factor that cannot be overlooked is the evaluation of a machine’s state. Despite the presence of advanced equipment, data on their performances are not properly reviewed, resulting in a variety of concerns such as high rejection rates, lower production output, manufacturing overhead cost issues, and customer complaints. This study’s goal is to evaluate the performance of die attach machines made by a prominent subcontractor semiconductor m

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Krivorotova, Victoria V. "Computer simulation of long line with loss in steady harmonic mode at active load." Modern Transportation Systems and Technologies 8, no. 2 (2022): 55–69. http://dx.doi.org/10.17816/transsyst20228255-69.

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Background: The implementation of projects to create long-range power systems requires the greatest possible study of not only the technical feasibility of long lines, but also the features of energy transmission along these lines. Such studies can be carried out in the field, using a physical experiment or using computer simulation. The first is limited by the complexity of the experiment, the lack of access to real measurements. Unlike a physical experiment, computer simulation is devoid of these problems: it makes it quite easy not only to model a long line, but also to study it under vario

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