Experimental Study on the Physics of Thick EHL Film Formation with Grease at Low Speeds
Sign Up to like & getrecommendations! Published in 2019 at "Tribology Letters"
DOI: 10.1007/s11249-019-1166-7
Abstract: An unexpected behavior of grease in rolling contact has become known among tribologists that it forms thick film at low speeds, but the nature of the film has still been in dispute. The dominance of… read more here.
Keywords: grease; film formation; physics; physics thick ... See more keywords
Experimental analysis of flow characteristics in S-shaped ducts at low speeds
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0228159
Abstract: This study investigates the flow characteristics within an S-shaped duct at low speeds and examines the impact of varying lengths of upstream and downstream extensions on the internal flow field. The experimental setup includes an… read more here.
Keywords: shaped duct; flow characteristics; downstream; low speeds ... See more keywords
Calibration of Incremental Position Encoder for the Precise Measurement of Low Speeds
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2023.3334355
Abstract: Accurate speed measurement is mandatory for precision electric drives. These drives frequently utilize incremental position encoders for speed measurement as a derivative of the position in time. At present, the best practice is the implementation… read more here.
Keywords: incremental position; position; measurement; low speeds ... See more keywords
Using Volt-Second Sensing to Directly Improve Torque Accuracy and Self-Sensing at Low Speeds
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2017.2702752
Abstract: As a result of dead-time, device on-state voltage drop, dc bus voltage measurement error, etc., volt-second errors degrade precise control of torque and flux linkage, particularly at low speeds. This is true for deadbeat-direct torque… read more here.
Keywords: volt second; second sensing; accuracy self; low speeds ... See more keywords
Steering control to balance a motorcycle at low speeds based on riders’ input
Sign Up to like & getrecommendations! Published in 2020 at "Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering"
DOI: 10.1177/0954407020906628
Abstract: Motorcycles are a primary mode of daily transportation in many developing countries, especially in towns and cities. The increased traffic congestion constrains the average speed of the motorcycle, causing stability and safety concerns for the… read more here.
Keywords: steering control; motorcycle; controller; control balance ... See more keywords
A novel adaptive PD-type iterative learning control of the PMSM servo system with the friction uncertainty in low speeds
Sign Up to like & getrecommendations! Published in 2023 at "PLOS ONE"
DOI: 10.1371/journal.pone.0279253
Abstract: High precision demands in a large number of emerging robotic applications strengthened the role of the modern control laws in the position control of the Permanent Magnet Synchronous Motor (PMSM) servo system. This paper proposes… read more here.
Keywords: low speeds; ilc; control; friction ... See more keywords
Prediction of the Side Drift Force of Full Ships Advancing in Waves at Low Speeds
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Marine Science and Engineering"
DOI: 10.3390/jmse8050377
Abstract: In this study, we analyze the experimental results of the mean sway (side drift) forces of six full type ships at low speeds in regular waves of various directions and compare them with numerical results… read more here.
Keywords: mean sway; sway force; force; side drift ... See more keywords