Design and Verification of the Independently Controllable Transmission Mechanism Reporter: Tsu-Chi, Kuo 1

Authors 2 Tzuen-Lih Chern 3 Jao-Hwa Kuang 2 Der-Min Tsay 2 Guan-Shyong Hwang 1 Tsu-Chi Kuo 2 1. Dept. of Computer Science and Information Engineering, Nanhua University, Chia-yi, Taiwan. 2. Dept. of Mechanical & Electro-Mechanical Engineering, National Sun Yat-sen University, Kaohsiung, Taiwan. 3. Dept. of Electrical Engineering, National Sun Yat-sen University, Kaohsiung, Taiwan.

Outline Motivation The Independently Controllable Transmission (ICT) Kinematic Analyses of a Series-Type ICT Dynamic Analyses of a Series-Type ICT Conclusions 3

Motivation of the ICT 4 Transmission Mechanism Wind Turbine Variable wind Input speed Stable output speed to a generator Wind Turbine Variable wind Input speed Stable output speed to a generator ICT

Independently Controllable Transmission (ICT) It has functions similar to an infinitely or a continuously variable transmission (IVT or CVT). It can produce a required output angular velocity that is not affected by the angular velocity of the input power shaft. For example, it could be utilized in variable speed wind turbines or automatic transmission systems. 5

The ICTs are classified into two major groups: the parallel-type the series-type Conceptual structure of a parallel-type ICT: 6 A B E D SD SE CR OP AD BD AE BE Free-Transmission Controller Output Power Input Power

Conceptual structure of a series-type ICT: 7 AB D E AD BD AE BE SD CR OP SE Controller Input power Output power Free-transmission

Structural arrangement of a parallel-type ICT: 8

Structural arrangement of a series-type ICT: 9

Schematic prototype of a parallel-type ICT: 10

Schematic prototype of a series-type ICT: 11

Some ICT prototypes: 12

Kinematic Analyses of a Series-Type ICT Basic requirements of kinematics: 13

Kinematic Analyses of a Series-Type ICT 14

Kinematic Analyses of a Series-Type ICT 15

Kinematic Analyses of a Parallel-Type ICT 16

Schematic configuration of a kinematic test-bed 17

Kinematic test-bed of an ICT prototype 18

Angular velocities of a PT-ICT 19

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Dynamic Analyses of a Series-Type ICT Torque analyses 21

Dynamic Analyses of a Parallel-Type ICT Torque analyses 22

Dynamic Analyses of a Series-Type ICT 23

Dynamic Analyses of a Parallel-Type ICT 24

Schematic configuration of a static torque test-bed 25

Static torque test-bed of an ICT prototype 26

Measured torques of PT-ICT 27

Schematic configuration of a power flow test-bed 28

Power flow test-bed of an PT-ICT prototype 29

Experimental results of power flow 30

Conclusions An innovative design of the ICT mechanisms Kinematic analyses of the ICT mechanisms Dynamic analyses of the ICT mechanisms The further researches focus on the performance and application of the ICT mechanisms. 31

Many thanks for your time. 32 Q & A