The multi-attribute topological graph method and its application on power flow analysis in closed planetary gear trains

Cui, Yahui; Gao, Jing; Ji, Xiaomin; Zhou, Xintao; Yan, Haitao

doi:10.1177/1687814018794103

Cited by 7 publications

(3 citation statements)

References 24 publications

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“…Taking the reverse gear as example and according to Eqs. (6) and (28), the following equations are obtained:…”

Section: Numerical Examplementioning

confidence: 99%

“…Reviewing the literature indicates that the lever analogy method is widely applied to analyze speeds and force condition of EGTs. Then the power flow and power loss are analyzed to obtain another evaluation index, called the transmission efficiency [2,[25][26][27][28]. In fact, the torque method [29], applying the concept of the ratio sensitivity [30,31], is a simple and universal scheme, which can be applied to all structures.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Configuration Synthesis and Performance Analysis of 9-Speed Automatic Transmissions

Ding

Cai

Chen

et al. 2020

Chin. J. Mech. Eng.

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Current research of automatic transmission (AT) mainly focuses on the improvement of driving performance, and configuration innovation is one of the main research directions. However, finding new configurations of ATs is one of the main limitations of configuration innovation. In the present study, epicyclic gear trains (EGTs) are applied to investigate mechanisms of 9-speed ATs. Then four kinematic configurations are proposed for automatic transitions. In order to evaluate the performance of proposed mechanisms, the lever analogy method is applied to conduct kinematic and mechanical analyses. The power flow analysis is conducted, and then transmission efficiencies are calculated based on the torque method. The comparative analysis between the proposed and existing mechanisms is carried out where obtained results show that proposed mechanisms have reasonable performance and can be used in ATs. The prototype of an AT is manufactured and the speed test is conducted, which proves the accuracy of analysis and the feasibility of proposed mechanisms.

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“…Taking the reverse gear as example and according to Eqs. (6) and (28), the following equations are obtained:…”

Section: Numerical Examplementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Configuration Synthesis and Performance Analysis of 9-Speed Automatic Transmissions

Ding

Cai

Chen

et al. 2020

Chin. J. Mech. Eng.

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show abstract

“…The industry should seize the opportunity of low-carbon economy and intervene in the research of new transmission technologies such as hybrid power and stepless speed regulation in advance [5]. In order to better meet the current application requirements, the new gear transmission system composed of gears and gear products is developing towards miniaturization and cyclization, resulting in more complicated structural changes [6,7]. The kinematics and dynamics of the system have also become extremely complex.…”

Section: Introductionmentioning

confidence: 99%

Dynamic characteristics of single-loop gear system based on bond graph method

Zhou¹,

Cui²

2022

J. vibroeng.

Self Cite

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The complexity of single-loop gear system transmission structure makes it difficult for traditional modeling methods to establish precise dynamic model, which greatly affects the accuracy of its dynamic characteristics research. Firstly, a structure diagram is established by adopting modularization idea according to the structural properties of single-loop gear system. On this basis, a precise bond graph model of the single-loop gear system is obtained combining the modeling principle of bond graph method and the advantages of rich graphics library. Secondly, the dynamic state equation of single-loop gear system is obtained from bond graph model. The simulation model of gear system is established by numerical simulation method. Eventually, the dynamic characteristics of a single-loop gear system are acquired by calculating two dynamic indexes of the system under linear and weakly nonlinear states. The simulation results show that the bond graph method can accurately describe the mathematical model of single-loop gear train and master the dynamic characteristics of complex gear train. This will provide a reference for the structural design and dynamic characteristics of the transmission system.

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Influence of multi-factor on the transmission efficiency of multistage micro-planetary gearing transmission

Zhu

et al. 2019

Microsyst Technol

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The multi-attribute topological graph method and its application on power flow analysis in closed planetary gear trains

Cited by 7 publications

References 24 publications

Configuration Synthesis and Performance Analysis of 9-Speed Automatic Transmissions

Configuration Synthesis and Performance Analysis of 9-Speed Automatic Transmissions

Dynamic characteristics of single-loop gear system based on bond graph method

Influence of multi-factor on the transmission efficiency of multistage micro-planetary gearing transmission

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