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Research Papers

Synthesis and Analysis of a Parallel-Type Independently Controllable Transmission Mechanism

[+] Author and Article Information
Guan-Shong Hwang

Department of Computer Science and
Information Engineering,
Nanhua University,
No. 55, Sec. 1,
Nanhua Rd.,
Dalin, Chiayi 62248, Taiwan
e-mail: gshwang@mail.nhu.edu.tw

Wei-Hsiang Liao

Chin Ying Machinery Co., Ltd.,
No. 21, Lianming Street,
Bade, Taoyuan 33466, Taiwan
e-mail: wythewythe@hotmail.com

Der-Min Tsay

Mem. ASME
Department of Mechanical and Electro-Mechanical Engineering,
National Sun Yat-Sen University,
No. 70 Lienhai Rd.,
Kaohsiung 80424, Taiwan
e-mail: dermin@mail.nsysu.edu.tw

Bor-Jeng Lin

Department of Automation Engineering,
National Formosa University,
No. 64, Wunhua Rd.,
Huwei, Yunlin 63201, Taiwan
e-mail: bjlin@nfu.edu.tw

1Corresponding author.

Manuscript received August 13, 2015; final manuscript received January 15, 2016; published online March 7, 2016. Assoc. Editor: Hai-Jun Su.

J. Mechanisms Robotics 8(4), 041007 (Mar 07, 2016) (8 pages) Paper No: JMR-15-1220; doi: 10.1115/1.4032589 History: Received August 13, 2015; Revised January 15, 2016

This study proposes an innovative transmission mechanism, called parallel-type independently controllable transmission (ICT). The proposed mechanism can provide functions similar to those of infinitely variable transmission (IVT) or continuously variable transmission (CVT) mechanisms. The parallel-type ICT can transmit rotational output speed that can be independently regulated using a controller and is unaffected by the speed variation of the input shaft. Thus, a variable speed wind turbine can generate electricity with a constant frequency and improved quality. The kinematic characteristics, torque distribution, and power flow of this transmission mechanism were verified using a prototype of the ICT to demonstrate the feasibility of its application.

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References

Figures

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Fig. 1

Conceptual structure of the parallel-type ICT

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Fig. 2

Positive-ratio planetary gear train

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Fig. 3

Configuration of the parallel-type ICT

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Fig. 4

Solid model of the parallel-type ICT

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Fig. 5

Assembled prototype of the parallel-type ICT

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Fig. 6

Configuration of the test bed

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Fig. 7

Test bed of the parallel-type ICT

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Fig. 8

Experimental data at the first WP: (a) rotational speed, (b) torque, and (c) power

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Fig. 9

Experimental data at the second WP: (a) rotational speed, (b) torque, and (c) power

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Fig. 10

Experimental data at the third WP: (a) rotational speed, (b) torque, and (c) power

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