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THE SELECTION OF OPTIMAL REVERSIBLE TWO-SPEED PLANETARY GEAR TRAINS FOR MACHINE TOOL GEARBOXES [PDF]

Facta Universitatis. Series: Mechanical Engineering, 2020
The application of multi-criteria optimization to two-carrier two-speed planetary gear trains is outlined in this paper. In order to determine the mathematical model of multi-criteria optimization variables, the objective functions and conditions must be
Sanjin Troha, Željko Vrcan, Dimitar Karaivanov, Madina Isametova   +3 more
doaj   +3 more sources

Research on power flow of encased differential gear train in coaxial contra-rotating gearbox [PDF]

Scientific Reports
This paper investigates an encased differential planetary gear train, comprising both fixed-axis and differential gear trains, for application in coaxial counter-rotating main gearboxes.
Donglin Zhang, Rupeng Zhu, Wei Zhang, Ji Cui, Luqiang Ma   +4 more
doaj   +2 more sources

Research into the Properties of Selected Single Speed Two-Carrier ‎Planetary Gear Trains [PDF]

Journal of Applied and Computational Mechanics, 2022
A two-carrier planetary gear train (PGT) configuration, named S13WN, was developed for a specific application with a negative transmission ratio in the interval between -20 and -21.
Željko Vrcan, Jelena Stefanović-Marinović, Milan Tica, Sanjin Troha   +3 more
doaj   +1 more source

Bond Graph-Based Approach to Modeling Variable-Speed Gearboxes with Multi-Type Clutches

Applied Sciences, 2022
The modeling and simulation of gearboxes is important for analyzing the dynamic characteristics and designing control strategies of transmission systems.
Jiangming Wu, Hongzhi Yan, Shuangqi Liu, Yin Zhang, Wuzhong Tan   +4 more
doaj   +1 more source

Design and Analysis of Mechanisms of 7-, 8- and 9-Speed Automatic Transmissions for Vehicle Powertrains

Energies, 2023
As the core device of engine-driven vehicle powertrains, the automatic transmission (AT) can obtain different output torques and speeds. Designing new mechanisms is the foundation for developing innovative ATs.
Wenjian Yang, Xindong Xiao
doaj   +1 more source

Performance Evaluation of a Compound Power-Split CVT for Hybrid Powertrains

Applied Sciences, 2021
The Power-Split Continuously Variable Transmission is one of the most promising architectures for Hybrid Electric Vehicles. These systems have been introduced to improve vehicle global efficiency since they can maximize the efficiency in varying ...
Giacomo Mantriota, Giulio Reina, Angelo Ugenti   +2 more
doaj   +1 more source

Power Flow and Efficiency Analysis of High-Speed Heavy Load Herringbone Planetary Transmission Using a Hypergraph-Based Method

Applied Sciences, 2020
The existing research problem is that the hypergraph-based method does not comprehensively consider the power loss factors of the mechanical transmission system, especially the existing windage power loss.
Yun Wang, Wei Yang, Xiaolin Tang, Xi Lin, Zhonghua He   +4 more
doaj   +1 more source

Recirculation of Parallel-Connected Planetary Gear Trains

Chinese Journal of Mechanical Engineering, 2022
Recirculation is expected to be identified for its possibility to dramatically decrease the efficiency of planetary gear trains (PGTs). However, it exhibits an unexplained connection with the structure, making it challenging to identify without tedious ...
Hong Chen, Xiao-An Chen
doaj   +1 more source

Selection of the optimal two-speed planetary gear train for fishing boat propulsion [PDF]

FME Transactions, 2020
Planetary gear trains (PGTs) offer numerous benefits when compared to conventional gear trains, e. g. multi-carrier planetary gear trains may be built by linking the shafts of different component planetary gear trains.
Troha Sanjin, Stefanović-Marinović Jelena, Vrcan Željko, Milovančević Miloš   +3 more
doaj  

CONTEMPORARY PLANETARY GEARBOXES AND THEIR CALCULATION [PDF]

Proceedings on Engineering Sciences
The increased demands for driver comfort and stringent pollution control measures have resulted in a revival of planetary gearboxes for road applications, due to their possibility to change the transmission ratio under load in synchronism with engine ...
Željko Vrcan , Milan Tica , Sanjin Troha , Kristina Marković , Miroslav Milutinović   +4 more
doaj   +1 more source