Department of Automation & Computer-Aided Engineering
Faculty of Engineering129
RESEARCH PROJECTS
Design a Next Generation Industrial Sewing
Machine
DU Ruxu
15 March 2001
CUHK Research Committee Funding (Direct
Grants)
The ultimate goal of this project is to design a next
generation industrial sewing machine. Invented over
100 years ago, sewing machine is one of the
machines that changed our life today. Currently,
China is the largest sewing machine manufacturer in
the world. Hong Kong also plays an important role.
It has some 20 companies that make, sell, and service
various industrial sewing machines. Besides, Singer,
the oldest and largest sewing machine makers in the
world, has its headquarter in Hong Kong. Sewing
machine is actually a complicated mechanical system
consisting of 4 different mechanisms and hundreds of
parts. Some problems, such as how the trajectory of
material feeding mechanism affect the seam quality,
still have not been fully understood. As an honorary
member of the Chinese Sewing Machine
Manufacturers Association, the researcher has been
working for designing a next generation industrial
sewing machine for a number of years. A feasibility
study especially on how to use today's
microelectronics to simplify the sewing machine
design and to improve the product quality will be
conducted.
(EE00837)
Approximation Methods for the Discrete
Nonlinear Servomechanism Problem
HUANG Jie
1 November 2000
Research Grants Council (Earmarked Grants)
The nonlinear servomechanism problem, or
alternatively, nonlinear output regulation problem has
long been regarded as one of the most important

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