Search results for author:"Chiu Choi"
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International Journal of Engineering Pedagogy Vol. 7, No. 1 (Feb 28, 2017) pp. 4–16
Transient response such as ringing in a control system can be reduced or removed by velocity feedback. It is a useful control technique that should be covered in the relevant engineering laboratory courses. We developed velocity feedback experiments ...
International Journal of Engineering Pedagogy Vol. 9, No. 1 (Feb 22, 2019) pp. 113–125
Integral control is one of the methods for reducing steady-state error in a feedback control system. This method is frequently used in manufacturing and industrial control processes. It is an important topic in the control engineering curriculum. In ...
Educational Technology & Society Vol. 11, No. 2 (2008) pp. 92–106
In distance education, communications among students, educators, and administrators have been one of the most important problems. The distance education programs in The Open University of Hong Kong (OUHK) span not only Hong Kong but also many cities ...