Brief plan for next month

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Monthly Report October, 2014

Project: Piezoelectric Harvesting Systems

1.

Team members :

Ph.D. Candidate : Ya Shan Shih

Master: Sou Peng Yeh, Yin Jie Wang

2.

Discussion with champions

None.

.

3.

Progress between last month and this month

1.

Power output of multilayer energy harvesters has been measured.

2.

Bimorph energy harvesters has been used to supply a comparator based interfacing circuit.

3.

Human motion energy harvester has been tested and measured to find out the optimal load, output voltage, and output power.

4.

Brief plan for next month

a.

Milestones i.

Testing of various high quality factor inductors will be tested for SSHI switching. ii.

Thin film human motion energy harvesters will be tested with better PZT layer quality. iii.

Loss introduced in the MOSFET switches will be investigated. b.

Deliverables i.

More data measurements for human motion energy harvesters. ii.

Possible verification of inductor compatibility with our interfacing circuit. c.

Success criteria i.

Better performance in the human motion energy harvesters. ii.

Significant voltage enhancement in the SSHI circuit of our current setup.

5.

Byproducts

1. Paper Submission, acceptance, and attendance (oral presentation) to The 25th International

Conference on Adaptive Structures and Technologies (ICAST 2014) in the Mercure Hotel in The Hague,

The Netherlands: i. Title: Fabrication of micro multilayer energy harvesters based on stainless-steel substrates. ii. Authors: Yin-Jie Wang, Shun-Chiu Lin and Wen-Jong Wu iii. Date of Conference: 6 – 8 October, 2014

2. Paper Submission, acceptance, and attendance (oral presentation) to The 25th International

Conference on Adaptive Structures and Technologies (ICAST 2014) in the Mercure Hotel in The Hague,

The Netherlands: i. Title: An alternative architecture for self-powered SSHI circuit for micro energy harvesters. ii. Authors: Sou-Peng Yeh, Ya-Shan Shih, Shun-Chiu Lin and Wen-Jong Wu iii. Date of Conference: 6 – 8 October, 2014

3. Paper Submission, acceptance, and attendance (poster presentation) to The 25th International

Conference on Adaptive Structures and Technologies (ICAST 2014) in the Mercure Hotel in The Hague,

The Netherlands: i. Title: Development of the micro piezoelectric bimorph energy harvesters based on stainless steel substrate in the vibration generator. ii. Authors: Chun-Liang Kuo, Shun-Chiu Lin and Wen-Jong Wu iii. Date of Conference: 6 – 8 October, 2014 b. Personal achievements

(1)Honors/Awards

Ben Wada Poster Award has been given to the poster presentation: i. Title: Development of the micro piezoelectric bimorph energy harvesters based on stainless steel substrate in the vibration generator. ii. Authors: Chun-Liang Kuo, Shun-Chiu Lin and Wen-Jong Wu iii. Date of Conference: 6 – 8 October, 2014

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