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Shu-Chen Chien,Chao-Ti Hsiung,Shu-Fang Chen,Chun-Pin Lin 환태평양유아교육연구학회 2010 Asia-Pacific journal of research in early childhoo Vol.4 No.2
The collaborative teaching research was conducted in northern Taiwan’s Tayal indigenous tribe to practice a constructivist inquiry-based science project curriculum implementing place-based education for kindergarten children. Research participants included 2 classroom teachers and 15 young children. Entering the natural tribal context, the researcher collected data through field observations, interviews, and other documentation. Qualitative method was adopted to analyze research data. A bamboo project was implemented relating to children’s life experiences. Research findings reveal: (1) teachers and children managed to co-construct a science project curriculum based on local resources and Tayal traditional knowledge (2) children developed basic scientific concepts and knowledge about natural plants through the inquiry-based project curriculum and (3) teachers regarded their roles as being colearners with children and realized the importance of children’s active involvement in the constructivist inquiry-based teaching. The result can help to improve science teaching/learning for indigenous children by utilizing environmental resources as well as traditional knowledge in future education.
An Improvement on Robust H<SUB>∞</SUB> Control for Uncertain Continuous-Time Descriptor Systems
Hung-Jen Lee,Shih-Wei Kau,Yung-Sheng Liu,Chun-Hsiung Fang,Jian-Liung Chen,Ming-Hung Tsai,Li Lee 대한전기학회 2006 International Journal of Control, Automation, and Vol.4 No.3
This paper proposes a new approach to solve robust H∞ control problems for uncertain continuous-time descriptor systems. Necessary and sufficient conditions for robust H∞ control analysis and design are derived and expressed in terms of a set of LMIs. In the proposed approach, the uncertainties are allowed to appear in all system matrices. Furthermore, a couple of assumptions that are required in earlier design methods are not needed anymore in the present one. The derived conditions also include several interesting results existing in the literature as special cases.