Relevant bibliographies by topics / Torque model

Contents

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

Academic literature on the topic 'Torque model'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Torque model"

1

Yang, Zi-Qi, and Mehrdad R. Kermani. "A Computationally Efficient Hysteresis Model for Magneto-Rheological Clutches and Its Comparison with Other Models." Actuators 12, no. 5 (2023): 190. http://dx.doi.org/10.3390/act12050190.

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The collaborative robot market has experienced rapid growth, leading to advancements in compliant actuation and torque control. Magneto-rheological (MR) clutches offer a hardware-level solution for achieving both compliance and torque control through adjustable coupling between the input and output of the MR clutch. However, the presence of frequency-dependent magnetic hysteresis makes controlling the output torque challenging. In this paper, we present a comparative study of six widely used hysteresis models and propose a computationally efficient algebraic model to address the issue of hyste
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Rawashdeh, Samir A. "Attitude Analysis of Small Satellites Using Model-Based Simulation." International Journal of Aerospace Engineering 2019 (April 15, 2019): 1–11. http://dx.doi.org/10.1155/2019/3020581.

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CubeSats, and small satellites in general, being small and relatively light, are sensitive to disturbance torques in the orbital environment. We developed a simulation tool that includes models of the major environmental torques and small satellite experiences in low Earth orbit, which allows users to study the attitude response for a given spacecraft and assist in the design of attitude control systems, such as selecting the magnet strength when using passive magnetic stabilization or designing the shape of the spacecraft when using aerodynamic attitude stabilization. The simulation tool name
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Zhang, Xuejian, Yue Deng, Yan Wang, Chuanrong Yin, and Junzhao Gao. "Effects of Implanting Torques on Implant Osseointegration in an Animal Model." Journal of Biomaterials and Tissue Engineering 12, no. 5 (2022): 933–38. http://dx.doi.org/10.1166/jbt.2022.2983.

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Objective: To investigate the effect of insertion torque on implant osseointegration in an animal model. Methods: First, the first to fourth premolars of nine healthy adult beagles’ mandibular were extracted to form an edentulous area, and then the beagles were equally divided into three groups with different torques (low torque: 10–30 Ncm; medium torque: 30–50 Ncm; high torque: > 70 Ncm). Three implants were placed on each side of the edentulous area of the beagles (54 total), and the dogs were observed for 8 weeks. Implant performance and removal torque values (RTV) were determined at 1,
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Lewis, Martin G. C., Maurice R. Yeadon, and Mark A. King. "Are Torque-Driven Simulation Models of Human Movement Limited by an Assumption of Monoarticularity?" Applied Sciences 11, no. 9 (2021): 3852. http://dx.doi.org/10.3390/app11093852.

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Subject-specific torque-driven computer simulation models employing single-joint torque generators have successfully simulated various sports movements with a key assumption that the maximal torque exerted at a joint is a function of the kinematics of that joint alone. This study investigates the effect on model accuracy of single-joint or two-joint torque generator representations within whole-body simulations of squat jumping and countermovement jumping. Two eight-segment forward dynamics subject-specific rigid body models with torque generators at five joints are constructed—the first model
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Shaw, Tiffany A., and William R. Boos. "The Tropospheric Response to Tropical and Subtropical Zonally Asymmetric Torques: Analytical and Idealized Numerical Model Results." Journal of the Atmospheric Sciences 69, no. 1 (2012): 214–35. http://dx.doi.org/10.1175/jas-d-11-0139.1.

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Abstract The tropospheric response to prescribed tropical and subtropical zonally asymmetric torques, which can be considered as idealizations of vertical momentum transfers by orographic gravity waves or convection, is investigated. The linear analytical Gill model response to westward upper-tropospheric torques is compared to the response to a midtropospheric heating, which is a familiar point of reference. The response to an equatorial torque projects onto a Kelvin wave response to the east that is of opposite sign to the response to the east of the heating at upper levels. In contrast, the
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Robinette, D. L., J. M. Schweitzer, D. G. Maddock, C. L. Anderson, J. R. Blough, and M. A. Johnson. "Predicting the Onset of Cavitation in Automotive Torque Converters—Part II: A Generalized Model." International Journal of Rotating Machinery 2008 (2008): 1–8. http://dx.doi.org/10.1155/2008/312753.

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The objective of this investigation was to develop a dimensionless model for predicting the onset of cavitation in torque converters applicable to general converter designs. Dimensional analysis was applied to test results from a matrix of torque converters that ranged from populations comprised of strict geometric similitude to those with more relaxed similarities onto inclusion of all the torque converters tested. Stator torque thresholds at the onset of cavitation for the stall operating condition were experimentally determined with a dynamometer test cell using nearfield acoustical measure
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Young, Fletcher R., Hillel J. Chiel, Matthew C. Tresch, Charles J. Heckman, Alexander J. Hunt, and Roger D. Quinn. "Analyzing Modeled Torque Profiles to Understand Scale-Dependent Active Muscle Responses in the Hip Joint." Biomimetics 7, no. 1 (2022): 17. http://dx.doi.org/10.3390/biomimetics7010017.

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Animal locomotion is influenced by a combination of constituent joint torques (e.g., due to limb inertia and passive viscoelasticity), which determine the necessary muscular response to move the limb. Across animal size-scales, the relative contributions of these constituent joint torques affect the muscular response in different ways. We used a multi-muscle biomechanical model to analyze how passive torque components change due to an animal’s size-scale during locomotion. By changing the size-scale of the model, we characterized emergent muscular responses at the hip as a result of the changi
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Hu, Shengqiao, Houcai Liu, Huimin Kang, Puren Ouyang, Zhicheng Liu, and Zhengjie Cui. "High Precision Hybrid Torque Control for 4-DOF Redundant Parallel Robots under Variable Load." Actuators 12, no. 6 (2023): 232. http://dx.doi.org/10.3390/act12060232.

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As regards the impact and chattering of 4-DOF redundant parallel robots that occur under high-speed variable load operating conditions, this study proposed a novel control algorithm based on torque feedforward and fuzzy computational torque feedback hybrid control, which considered both the joint friction torque and the disturbance torque caused by the variable load. First of all, a modified dynamic model under variable load was established as follows: converting terminal load change to terminal centroid coordinate change, then mapping to the calculation of terminal energy, and lastly, establi
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Zhou, R. S., and M. R. Hoeprich. "Torque of Tapered Roller Bearings." Journal of Tribology 113, no. 3 (1991): 590–97. http://dx.doi.org/10.1115/1.2920664.

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An analytic tapered roller bearing torque model is presented along with laboratory test data. Initial results of this proposed model are favorable. An accurate general purpose torque prediction tool could be obtained by extending the concepts presented in conjunction with a more comprehensive analysis of actual bearing operating conditions. By using EHL (Elastohydrodynamic Lubrication) theory and micro-macro contact analysis, the bearing torque can be determined by predicting each torque component for each roller due to raceway rolling, raceway moments due to EHL pressure distribution, and fri
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Khorsandi, Farzaneh, and Paul D. Ayers. "The Effect of Friction on Actuation Torques of Foldable Rollover Protective Structures." Journal of Agricultural Safety and Health 24, no. 4 (2018): 227–42. http://dx.doi.org/10.13031/jash.12844.

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Abstract. The number of fatal tractor rollover accidents with an inoperative foldable rollover protective structure (FROPS) has increased sharply in recent years. Operators frequently leave the FROPS in the folded-down position after lowering the FROPS to pass a low overhead obstacle. One possible explanation for leaving the FROPS in the folded position is that raising and lowering the FROPS is a time-consuming and strenuous process. The actuation torques required to raise and lower a FROPS are not well known and may be influenced by friction. The actuation torques of ten FROPS from four diffe
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Dissertations / Theses on the topic "Torque model"

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Liu, Pu. "Effect of Joint Angle on EMG-Torque Model During Constant-Posture, Quasi-Constant-Torque Contractions." Digital WPI, 2011. https://digitalcommons.wpi.edu/etd-theses/376.

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The electrical activity of skeletal muscle¡ªthe electromyogram (EMG)¡ªis of value to many different application areas, including ergonomics, clinical biomechanics and prosthesis control. For many applications the EMG is related to muscular tension, joint torque and/or applied forces. In these cases, a goal is for an EMG-torque model to emulate the natural relationship between the central nervous system and peripheral joints and muscles. This thesis mainly describes an experimental study which relates the simultaneous biceps/triceps surface EMG of 12 subjects to elbow torque at seven joint ang
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Hoult, W. "A neuromuscular model for simulating driver steering torque." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.604261.

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A linear neuromuscular model was developed and incorporated within a driver/vehicle model. Optimal control was used to minimise metabolic energy and path-following error. Simultaneous feed-forward and feedback operation was observed, with the stretch reflex loop acting to reject disturbances. A trade-off between minimising the feedback error signal and energy consumption exists that has not been previously identified. A non-linear, Huxley/Zahalak-based model of an agonist/antagonist muscle pair connected to a second order load was implemented (the ‘MDM’ model). Mechanistic and energy consumpti
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Esposito, Delia. "Torque Model Calibration of a Motorcycle Internal Combustion Engine." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/15964/.

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Optimizing the performance of internal combustion engines increases complexity of control strategies and makes the calibration process long and expensive. The first activity of this Thesis explains the possibility of reduce tests on the bench saving in terms of working hours and operating costs. In particular, through MATLAB codes, it’s shown how extrapolating data of spark advance min and extramin from the spark advance dynamic sweep. The tests are usually demanded by the ECU supplier, who is responsible for the final calibration, but the calibrator engineer still has the task of checking
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Bojcic, Predrag. "Development of a model for predicting thickener rake torque /." St. Lucia, Qld, 2000. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17870.pdf.

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Pew, Jefferson W. "A torque-based weld power model for friction stir welding /." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1649.pdf.

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Pew, Jefferson W. "A Torque Based Power Input Model for Friction Stir Welding." BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/1100.

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For decades models have been developed for predicting the size of the weld nugget and heat affected zones in fusion welded structures. The basis for these models is the welding heat input, which is fairly well understood for most arc welding processes. However, this traditional approach is not as straightforward for Friction Stir Welding (FSW). To date, there is no definitive relationship to quantify the heat input for FSW. An important step to establish a heat input model is to identify how FSW process parameters affect weld power. This study details the relationship between FSW process param
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Bengtsson, Fredrik. "Estimation of Indicated– and Load– Torque from Engine Speed Variations." Thesis, Linköping University, Department of Electrical Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-7097.

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<p>The importance of control systems and diagnostics in vehicles are increasing and has resulted in several new methods to calculate better control signals. The performance can be increased by calculating these signals close to optimum, but that also require more and precise information regarding the system.</p><p>One of the wanted control signals are the crankshaft torque and the thesis presents two different methods to estimate this torque using engine speed variations. These methods are Modeling of the Crankshaft and Frequency Analysis. The methods are evaluated and implemented on for a fou
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Mehdizadeh, Gavgani Arash. "Advanced model-based control of energy efficient torque-gap filling drivetrains." Thesis, University of Surrey, 2016. http://epubs.surrey.ac.uk/811737/.

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This thesis deals with advanced modelling and control of energy efficient automotive drivetrains with torque-fill capability during gearshifts. The literature discussing automotive transmission technology, in particular manual transmissions, automated manual transmissions (AMTs) and dual clutch transmissions (DCTs), with the respective gearshift control methodologies, is reviewed in detail. To increase the overall drivetrain efficiency and address the problem of AMT torque interruption during the shift transients, a novel transmission layout, named as ‘6+2’ in the remainder of the thesis, is i
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Hozumi, Yuya, Shinji Doki, and Shigeru Okuma. "Fast torque control system of PMSM based on model predictive control." IEEE, 2009. http://hdl.handle.net/2237/13963.

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Falbo, Giorgia. "Study of the torque vectoring control problem." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19725/.

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The aim of this thesis is to address the design of a torque vectoring system for an electric All-Wheel-Drive car. The torque vectoring objective is to substitute the need of a mechanical differential in case of an electric car with four individual hub motors. It can be exploited also to perform various forms of electronic stability, such as traction and launch control, improving safety, sports performance and off-road capabilities of vehicles. These technologies involve individual control of each wheel’s drive torque or braking force in response to the dynamics of the driving conditions and th
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Books on the topic "Torque model"

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Janabi-Sharifi, Farrokh. A torque-free flexible model gyro. National Library of Canada, 1990.

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United States. National Aeronautics and Space Administration., ed. Active vibration control of a large flexible manipulator by intertial force and joint torque. National Aeronautics and Space Administration, 1989.

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Kluszczyński, Krzysztof. Momenty pasożytnicze w maszynach asynchronicznych. Dział Wydawnictw Politechniki Śląskiej, 1986.

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Swanson, William J. Determination of diesel engine cylinder gas torques from speed fluctuations with a high-fidelity crankshaft torsional model. Naval Postgraduate School, 1998.

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Klinger, L. Simulation numérique 3D d'une torche à plasma par une méthode de volumes finis. Centre de Recherches en Physique des Plasmas, Ecole Polytechnique Fédérale de Lausanne, 2002.

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Sun, Bohua. Toroidal shells. Nova Science Publishers, 2011.

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Pivar, Stuart. On the origin of form: Evolution by self-organization. North Atlantic Books, 2009.

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UN. Commission on Human Rights. Special Rapporteur on Violence against Women, ed. Report of the Special Rapporteur on Violence against Women, Its Causes and Consequences, Radhika Coomaraswamy, submitted in accordance with Commission on Human Rights resolution 2002/52: Addendum. UN, 2003.

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Chesser, Hugh G. Attitude drift of torque-free flexible gyros using the viscous damping model. 1987.

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Vaez-Zadeh, Sadegh. Predictive, Deadbeat, and Combined Controls. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198742968.003.0005.

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In this chapter, three control methods recently developed for or applied to electric motors in general and to permanent magnet synchronous (PMS) motors, in particular, are presented. The methods include model predictive control (MPC), deadbeat control (DBC), and combined vector and direct torque control (CC). The fundamental principles of the methods are explained, the machine models appropriate to the methods are derived, and the control systems are explained. The PMS motor performances under the control systems are also investigated. It is elaborated that MPC is capable of controlling the mo
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Book chapters on the topic "Torque model"

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Simoncelli, A., L. Buglioni, G. Abate, P. Gayol, A. J. Sánchez Egea, and D. Martínez Krahmer. "Effects of Drill Point Geometry on Cutting Forces and Torque When Drilling AA1050." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-77429-4_74.

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AbstractReducing energy consumption in drilling operations is crucial for achieving sustainability goals. A study examined 36 drill bits with different geometries and conditions on AA1050. It assessed thrust forces and torque in two machining conditions (Cmin and Cmax) while considering mesh density, tool geometry, and boundary conditions. The results show that finer mesh models exhibit lower thrust forces, while mass scaling primarily influences torque. The pilot hole configuration decreases force, consistent with experiments. Torque decreases by increasing mesh density, matching with the exp
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Li, Jiuyi, Yunhou Sun, Qiang Yan, Huaiqiang Kang, Haoxiang Wang, and Shangwei Dong. "Accurate Finite Element Modeling of Bolted Joints and Modified IWAN Model." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1876-4_90.

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AbstractA three-dimensional finite element model of helical bolted joints is established in this paper, and the validity of the model establishment scheme is verified by a numerical examples of “the stress distribution on the bolted joint”. Then, Hysteresis curves of the resultant torque versus the applied torsion angle are obtained from the finite element analysis. The results indicate that: (1) The contact threads have experienced three states of adhesion, partial slip and macro slip during the tightening and loosening process; (2) In the state of macro sliding, the resultant torque exhibits
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Bai, Kun, and Kok-Meng Lee. "PMSM Force/Torque Model for Real-Time Control." In Permanent Magnet Spherical Motors. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7962-7_4.

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Dung, Nguyen Quang, and Hau Huu Vo. "Induction Motor Drive Using Model Prediction Torque Control." In Lecture Notes in Networks and Systems. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-65656-9_9.

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Grcar, Bojan, Anton Hofer, Gorazd Stumberger, and Peter Cafuta. "Induction Machine Torque Control with Self-Tuning Capabilities." In Mechanics and Model-Based Control of Advanced Engineering Systems. Springer Vienna, 2013. http://dx.doi.org/10.1007/978-3-7091-1571-8_16.

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Prost, Mattéo, Ivan Cvok, and Efstathios Velenis. "Energy-Efficient Optimal Torque Vectoring for a Four-Motor High-Performance Electric Vehicle." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-70392-8_114.

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AbstractThe paper presents and compares an optimal control allocation (CA) and model predictive control (MPC)-based torque vectoring (TV) for improved energy efficiency of electric vehicle with four independent electric motors. Offline and online (instantaneous) optimisation-based CA are designed for front-rear torque distribution. For overall wheel torque allocation, a production-ready MPC-based TV is extended with energy consumption minimisation terms. CA and MPC rely on power loss curves of differently sized front and rear powertrains that are fitted with polynomial regression models. Perfo
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Li, Zhixiang, Zhen Zhao, and Jiaying Zhang. "Load and Deformation Distribution Along the Bolt During Assembly Process." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1876-4_75.

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AbstractBolt connection structure is widely utilized in modern large-scale equipment. Understanding the stress distribution along the bolt during assembly process is essential for improving its reliability. In this paper, assembly torque model is established to formulate the relationship between tightening torque and preload force, and a linear proportionality between them is obtained. The stress distribution during assembly process is modeled. Rotation angle and displacement distribution can be obtained from the proposed method. To validate our model, numerical simulation analysis is carried
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Li, Chang, Wensong Wu, Jing Du, Shuang Wang, Shuxin Jiang, and Weiwei Sun. "Numerical Analysis Model of Contact Stress in the Raceway of Double Row Tapered Roller Bearing Under Overturning Torque in Wind Turbine." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-7887-4_62.

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Abstract This article extends the force analysis of the single rolling element in the whole double row tapered roller bearing to the establishment of a global static equilibrium equation. And further analyzes the position relationship between the roller and the raceway after deflection under overturning torque. Based on non-Hertz line contact theory and bearing force balance equation, a numerical analysis model for the contact stress of the raceway in a double row tapered roller bearing is proposed; To verify this model, a local finite element model of bearing contact was established based on
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Jia, Chengli, Tianfu Sun, Gang Yu, Jianing Liang, and Dingfang Lin. "Torque Ripple Minimization of PMSM Drives with Multiple Reference Frame and DNN Based High-Fidelity Torque Model." In Communications in Computer and Information Science. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-33-6378-6_14.

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Roa, Maximo A., Bernd Henze, and Christian Ott. "Model-Based Posture Control for a Torque-Controlled Humanoid Robot." In Biosystems & Biorobotics. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01887-0_66.

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Conference papers on the topic "Torque model"

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Wang, Zhihao, and Shilin Wu. "Transformer Oil Valve Torque Measurement and Model Construction." In 2024 5th International Conference on Clean Energy and Electric Power Engineering (ICCEPE). IEEE, 2024. https://doi.org/10.1109/iccepe62686.2024.10931440.

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Cho, Changik, Puneet Singh, Christopher Rahn, and Edward Smith. "Active Vibration Damping and Harmonic Vibration Reduction in an eVTOL Aircraft Model Using Electric Rotor Torque." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-0040.

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Rotorcraft experience significant vibrations due to periodic aerodynamic forces and moments on the rotor blades and wings. Rotor torque damping is a novel vibration damping method which uses small torque perturbations from the main electric motor to reduce vibrations. The large inertial and aerodynamic rotor loading and relatively high frequency torque perturbations mean that the rotor speed changes are small, so the rotor thrust and flight control performance are not significantly affected. This paper investigates the application of electric motor torque control for damping structural vibrati
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Adelino, Gustavo R., Nady Rocha, Bruna S. Gehrke, Darlan Fernandes, and Edison R. da Silva. "Optimizing Vector Selection for Model Predictive Direct Torque Control." In 2024 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2024. https://doi.org/10.1109/ecce55643.2024.10860806.

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Guo, Mingjie, Zhihui Jin, and Jian Luo. "Improved model predictive torque control based on deadbeat principle." In 2024 8th International Conference on Electrical, Mechanical and Computer Engineering (ICEMCE). IEEE, 2024. https://doi.org/10.1109/icemce64157.2024.10862458.

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Chen, Siyu, Cheng Liu, Jingyuan Zhang, and Yunke Ding. "Optimized Model Torque Prediction Control Strategy for Switched Reluctance Motor Torque Error and Speed Error Reduction System." In 2025 IEEE 5th International Conference on Electronic Technology, Communication and Information (ICETCI). IEEE, 2025. https://doi.org/10.1109/icetci64844.2025.11084018.

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Houck, Daniel, Nathaniel deVelder, and Christopher Kelley. "Comparison of a mid-fidelity free vortex wake method to a high-fidelity actuator line model large eddy simulation for wind turbine wake simulations." In Proposed for presentation at the Torque in ,. US DOE, 2022. http://dx.doi.org/10.2172/2003062.

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Schroeder, Kyle A., Mitch Pryor, and Troy Harden. "A Black Box Model for Estimating Joint Torque in an Industrial Serial Manipulator." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-12407.

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Joint torque feedback is useful in serial manipulator control algorithms for contact control, collision detection, performance analysis, etc. For example, the predicted torque can be compared to the measured torque so the system can respond to unexpected or unmodeled physical inputs. The input current to the joint motors can be used to estimate the input torque if the motor parameters are well-understood. However, in a closed commercial system, the motor parameters are often proprietary or unknown. Also, systems that sense or estimate motor torques instead of the joint torques require compensa
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Samuel, Robello, and Wenjun Huang. "Dynamic Torque and Drag Model." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2020. http://dx.doi.org/10.2118/201629-ms.

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Cayeux, Eric, Espen Jettestuen, and Adrian Ambrus. "Dynamic Torque and Drag Model Coupled With Transient Hydraulic." In ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/omae2023-104704.

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Abstract A drill-string is an extremely slender mechanical structure and consequently it can oscillate very easily. Drill-string vibrations during drilling operations is the source of many drilling dysfunctions such as decreased drilling performance, damage to downhole equipment, or formation instabilities. Several dynamic torque and drag models have been developed in the recent years. But most of them do not incorporate the tight relationship that exists with transient hydraulically induced forces and torques. This paper presents a dynamic hydro-mechanical approach to the estimation of the dy
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Tahmid, Shadman, Josep Maria Font-Llagunes, and James Yang. "Upper Extremity Joint Torque Estimation Through an EMG-Driven Model." In ASME 2022 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/detc2022-89952.

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Abstract Cerebrovascular accidents like a stroke can affect lower limb as well as upper extremity joints (i.e., shoulder, elbow or wrist) and hinder the ability to produce necessary torque for activities of daily living. In such cases, muscles’ ability to generate force reduces, thus affecting the joint’s torque production. Understanding how muscles generate force is a key element to injury detection. Researchers developed several computational methods to obtain muscle forces and joint torques. Electromyography (EMG) driven modeling is one of the approaches to estimate muscle forces and obtain
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Reports on the topic "Torque model"

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Harris and Edlund. L51766 Instantaneous Rotational Velocity Development. Pipeline Research Council International, Inc. (PRCI), 1997. http://dx.doi.org/10.55274/r0010119.

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Considerable effort has been put forth to develop an automated method for balancing the power cylinders of reciprocating integral engines used in the natural gas industry. The benefits to power cylinder balance include reducted emissions and improved cylinder component mechanical integrity (which should lead to reductions in repair costs). The current approach to automate engine balancing uses pressure transducers to measure cylinder pressure, then integrate the signals into the engine fuel /timing management controller to achieve engine balance. Each power cylinder must be instrumented, which
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Eberlein, Robert, and Sven Düzel. Fatigue lifetime analysis of POM gears for generalized tooth root shapes. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.gs.ms.1.

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The current calculation methods for determining the tooth root load capacity of polymer gears (e.g., VDI 2736) are based on the same assumptions as those for steel gears. However, due to the non-linear material behavior, temperature, and rate dependency of polymers, these predictions are often inaccurate. A previous study employed rate-dependent nonlinear viscoplastic finite element (FE) modelling of polyoxymethylene (POM) to quantify material influences not considered in standard metal gear assumptions. A lifetime model was developed and validated to predict tooth root fracture based on rotat
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Hedrick, Jacob, and Timothy Jacobs. PR-457-14201-R02 Variable NG Composition Effects in LB 2S Compressor Engines Phase I Engine Response. Pipeline Research Council International, Inc. (PRCI), 2015. http://dx.doi.org/10.55274/r0010997.

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This is the final report summarizing work completed during the first phase of the PRCI study on large bore two stroke lean burn integral compressor engine response to variable natural gas compositions for the purposes of engine control development. Accomplished tasks include the completion of a detailed literature review covering the research topic, a parametric study of laminar flame speeds and ignition delays for binary methane and ethane mixtures up to 30%, and a GT-Power engine model of the Colorado State GMV-4 research engine with associated validation data from CSU�s variable ethane effe
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Robinett, Fred. PR-471-16206-R01 Suction Piping Effect on Pump Performance Testing. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011577.

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Pump suction piping testing was performed to measure the influence on pump performance and mechanical operation, and also provide a benchmark for comparing, verifying and improving CFD modeling techniques. Testing was performed in Sulzer's pump test laboratory, in Winterthur Switzerland, using a single stage double suction model pump a with similar specific speed and design as used in many crude oil pipeline installations. Testing included a baseline test with a straight pipe with a flow straightener at the pump suction and two arrangements with pipe elbows directly at the pump suction. All te
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S.M. Kaye, C.E. Bush, E. Fredrickson, B. LeBlanc, R. Maingi, and S.A. Sabbagh. L-H Mode Transitions in the National Spherical Torus Experiment. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/814726.

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Baumgaertel, J. A., M. H. Redi, R. V. Budny, G. Rewoldt, and W. Dorland. Gyrokinetic Stability Studies of the Microtearing Mode in the National Spherical Torus Experiment H-mode. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/899586.

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Fredrickson, E., N. Gorelenkov, W. Heidbrink, et al. �-Suppression of Alfv�n Cascade Modes in the National Spherical Torus Experiment. Office of Scientific and Technical Information (OSTI), 2007. http://dx.doi.org/10.2172/962716.

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Smith, D. R., W. Lee, E. Mazzucato, et al. Electron Gyro-scale Fluctuation Measurements in National Spherical Torus Experiment H-mode Plasmas. Office of Scientific and Technical Information (OSTI), 2009. http://dx.doi.org/10.2172/962142.

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Lehtimaki, Susanna, Kassim Nishtar, Aisling Reidy, Sara Darehshori, Andrew Painter, and Nina Schwalbe. Independent Review and Investigation Mechanisms to Prevent Future Pandemics: A Proposed Way Forward. United Nations University International Institute for Global Health, 2021. http://dx.doi.org/10.37941/pb-f/2021/2.

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Based on the proposal by the European Council, more than 25 heads of state and the World Health Organization (WHO) support development of an international treaty on pandemics, that planned to be negotiated under the auspices of WHO, will be presented to the World Health Assembly in May 2021. Given that the treaty alone is not enough to ensure compliance, triggers for a high-level political response is required. To this end, to inform the design of a support system, we explored institutional mechanismsi with a mandate to review compliance with key international agreements in their signatory cou
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Ono, M., D. Stutman, and Y. S. Hwang. Investigation of the effect of resistive MHD modes on spherical torus performance in CDX-U. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/304212.

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