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Hongbo Pang,Shengnan Tan,Shuo Liu 제어·로봇·시스템학회 2022 International Journal of Control, Automation, and Vol.20 No.6
This paper concerns output feedback passification and adaptive output feedback stabilization problems of switched discrete-time nonlinear systems. First, passivity concept is proposed to describe the overall passivity of switched discrete-time nonlinear system without requiring the passivity of active subsystems. Then, the conditions to be passive for such system are provided. Second, the output feedback passification is achieved under a given switching signal, when switched zero dynamics system is passive. Furthermore, adaptive output feedback stabilization problem is solved by using the output feedback passification method. Third, a time-dependent switching signal is designed to guarantee switched zero dynamics system passive. Finally, two examples are presented to verify the effectiveness of the proposed methods.
An ABA triblock copolymer strategy for intrinsically stretchable semiconductors
Peng, Rui,Pang, Bo,Hu, Daqing,Chen, Mengjie,Zhang, Guobing,Wang, Xianghua,Lu, Hongbo,Cho, Kilwon,Qiu, Longzhen The Royal Society of Chemistry 2015 Journal of Materials Chemistry C Vol.3 No.15
<▼1><P>A novel semiconductor–rubber–semiconductor triblock copolymer has been designed and prepared according to the principle of thermoplastic elastomers (TPEs). It behaves as a TPE and exhibits good electrical properties.</P></▼1><▼2><P>A novel semiconductor–rubber–semiconductor (P3HT–PMA–P3HT) triblock copolymer has been designed and prepared according to the principle of thermoplastic elastomers. It behaves as a thermoplastic elastomer with a Young's modulus (<I>E</I>) of 6 MPa for an elongation at break of 140% and exhibits good electrical properties with a carrier mobility of 9 × 10<SUP>−4</SUP> cm<SUP>2</SUP> V<SUP>−1</SUP> s<SUP>−1</SUP>. This novel semiconductor may play an important role in low-cost and large-area stretchable electronics.</P></▼2>