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Micropatterning of Spin-Coated Hybrid Materials by Using an UV Polymerization Technique
Aishah Isnin,Mat Tamizi Zainuddin,Nik Azmi N. A. Aziz,Mohamad Zahid A. Malek 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.52 No.5
Hybrid organic-inorganic materials are promising candidates and if their properties are tailored, several diffrent submicron planar optical passive and active devices, such as waveguides, ampli- fiers, splitters and couplers can be produced. In this present study, we report on sol-gel-derived organic-inorganic materials made from vinyltriethoxysilane (VTES). The lms were deposited on glass substrates by using a spin-coating technique. The lm densification was done at 300℃ and a patterned waveguide structure was fabricated by using UV-irradiation through a negative photomask. The SEM micrograph shows that channel patterns with a width of about 8 m were formed by etching of the unirradiated regions of the films. Hybrid organic-inorganic materials are promising candidates and if their properties are tailored, several diffrent submicron planar optical passive and active devices, such as waveguides, ampli- fiers, splitters and couplers can be produced. In this present study, we report on sol-gel-derived organic-inorganic materials made from vinyltriethoxysilane (VTES). The lms were deposited on glass substrates by using a spin-coating technique. The lm densification was done at 300℃ and a patterned waveguide structure was fabricated by using UV-irradiation through a negative photomask. The SEM micrograph shows that channel patterns with a width of about 8 m were formed by etching of the unirradiated regions of the films.
Comparative Assessment for Two Wheels Inverted Pendulum Mobile Robot Using Robust Control
N. M. Abdul Ghani,N. I. Mat Yatim,N. A. Azmi 제어로봇시스템학회 2010 제어로봇시스템학회 국제학술대회 논문집 Vol.2010 No.10
Over the last decade, numbers of researcher has been increased in the two-wheeled inverted pendulum mobile robots or commonly known as balancing robot. This paper presents the linear modeling of two wheels inverted pendulum mobile robot and the robustness of sliding mode control. Linear modeling plant was obtained from the simplified nonlinear plant that was based on state-space approach. The dynamic model of the system has been established to design and analyze the control system, dynamic of the motors, chassis and wheels of balancing robot. Simulation on MATLAB/SIMULINK application is performed and to determine the performance and reliability of the Sliding Mode Controller.