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The object of this research is to develop a fully automatic computation algorithm for quality control purposes during inspecting color filters. The hardware setup can analyze dyed pixels on the color filters upon acquiring the transmiting-through light waves ranging from 350 nm to 850 nm and a light wavelength resolution up to 3.49 nm, once a micro-spectrometer is employed. With the acquitted information this research builds a quality inspection algorithm to analyze the color properties of the dyed pixels, and performs dedicated statistics computations of the color filters automatically. With the analysis results of the typical color filter, its color quality can be justified using the developed quality computation algorithm, and any defects of the pixels on a sampled filter can also be detected. Hence, the automatic inspection system can evaluate the statistics of the acquired information and identify the grade of the inspected ones in order to assure the quality of each fabricated color filer. .

The object of this research is to prototype a hybrid driving circuit (AC+DC) for nano-manipulation mechanisms employing piezoelectric actuators. The experimented analog driver is triggered by digital signals and commanded by a PC which is loaded with a graphic user interface code (GUI). The developed hybrid circuit can therefore precisely drive the piezoelectric actuators as to fulfill high resolution as well as high accuracy promises for nano-manipulation applications.

The object of this research is to prototype a precision system, which mainly consists of a piezoelectrically actuated cantilever beam structure as powered by an AC + DC hybrid driving circuit. Pulse width modulation (PWM) control algorithm as well as nonlinear tabulation are developed to capture characteristics of the specific hybrid driver and actuator, while dedicated driving techniques are elaborately explored for achieving fine motions of the beam. Enhanced apparatus such as a Doppler interferometer, a laser interferometer, and a conventional accelerometer are employed to quantify the dynamic as well as static deflections of the piezoactuator-driven structure. The experimental results validate the efficacy of the hybrid driver circuit as it is powering the piezoactuator-driven structure, and finite element method (FEM) approach also confirms the resonance frequency of the assembled mechanism.