Chia Yi, Taiwan

National Chung Cheng University is a public research university located in Minxiong, Chiayi County, Taiwan. It is distinctive among universities in Taiwan in that it is dedicated to the core humanities and the basic science, both natural and social. In both quality and quantity of research it annually places among the top 5% of universities in Taiwan .Chung Cheng is among the four universities of Taiwan's Public Ivy - the Taiwan Comprehensive University System. Wikipedia.

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Wu I.-L.,National Chung Cheng University
International Journal of Information Management | Year: 2013

Complaint behaviors are critical to maintaining customer loyalty in an online market. They provide insight into the customer's experience of service failure and help to redress the failures. Previous studies have shown the importance of customer satisfaction as a mediator for complaint intentions. It is important to examine the antecedents of customer satisfaction and its link to complaint intentions. Online shoppers are both buyers of products/services and users of web-based systems. Trust also plays a critical role in forming a psychological state with positive or negative feelings toward e-vendors. In this context, there are three major concerns: justice, technology and trust. This study proposes a research model to combine these issues, in order to investigate complaint intentions. Data were collected from an online survey wherein subjects were encouraged to reflect on recent service failure experiences. The results from testing a structural equation model indicate that distributive and interactional justice contribute significantly to customer satisfaction and, in turn, to complaint intentions, but procedural justice does not. Technology-based features and trust are also important in determining the two target variables. The implications for managers and scholars are also discussed. © 2012 Elsevier Ltd.

National Chung Cheng University | Date: 2016-02-19

A self-referencing localized plasmon resonance sensing device and a system thereof are disclosed. The reference optical waveguide element is modified with a noble metal nanoparticle layer. The sensing optical waveguide element is modified with a noble metal nanoparticle layer, which is further modified with a recognition unit. The incident light is guided into the reference and the sensing optical waveguide elements to respectively generate localized plasmon resonance sensor signals. The reference and the sensing optical waveguide elements respectively have a calibration slope. The processor utilizes the calibration slopes to regulate the second difference generated by detecting with the sensing optical waveguide element. The processor utilizes a difference between the first difference, which is generated by detecting with the reference optical waveguide element, and the regulated second difference to obtain a sensor response.

National Chung Cheng University | Date: 2015-01-27

A computer-aided positioning and navigation system for dental implant includes a computer system having built therein a dental implant planning software and providing a 3D digital human tissues model to create an implant navigation information, a positioning assistive device including a body providing a positioning portion and a guide portion and a connection member carrying an optical positioning device, one or multiple optical capture devices, and a display device electrically connected to the computer system. The computer system controls the optical capture device to capture images and drives the display device to display a part of the content of the 3D digital human tissues model and the implant navigation information.

National Chung Cheng University | Date: 2015-09-16

A manufacturing method of silatrane with thiol group and a preservation method thereof are disclosed. (3-Mercaptopropyl)trimethoxysilane and triethanolamine are reacted for a pre-determined time at a pre-determined temperature under nitrogen atmosphere in presence or absence of catalyst, and then a recrystallization process is performed with a solvent to obtain silatrane with thiol group of formula (1). Silatrane with thiol group is dissolved in an organic solvent to preserve the silatrane with thiol group.

A variable-tooth-thickness worm-type tool comprises a main body and a spiral blade distributed on the main body and featuring variable tooth thickness. The main body and the spiral blade are respectively described with a rack cutter coordinate system and a tool coordinate system. The vector parameters based on the rack cutter coordinate system are transformed into vector parameters based on the tool coordinate system so as to simulate the main body with a rack cutter and develop the spiral blade to have variable tooth thickness. Thus, when a gear blank is tooled, the distance between the centers of the tool holder and the workpiece holder can be set as a constant, and the feed in the radial degree-of-freedom can be neglected, with twists of tooth flanks being inhibited.

National Chung Cheng University | Date: 2014-09-15

The present invention discloses a speculative lookahead processing device and method to enhance the statistical performance of datapaths. The method comprises steps: entering an input signal to at least two datapath units in a round-robin way; outputting the correct value at the Nth cycle, and acquiring the speculation value at the Mth cycle beforehand to start the succeeding computation, wherein M and N are natural numbers and M is smaller than N; comparing the speculation value with the correct value at the Nth cycle to determine whether the speculation is successful; if successful, excluding extra activities; if not successful, deleting the succeeding computation undertaken beforehand and restarting the succeeding computation with the correct value.

National Chung Cheng University | Date: 2014-01-23

A focusing method having depth-of-field adaptability and aperture adaptability is provided. The method is applied to an image capture unit. A plurality of first images are captured in an image capture window according to a plurality of objects for obtaining a plurality of distances between the plurality objects and the image capture unit. Thereby, a focus distance of the image capture unit is given. Then, according to a maximum value and a minimum vale of the plurality of distances, the first aperture is adjusted to a second aperture, so that the image capture unit can acquire a complete depth of field by means of the second aperture and the focus distance. Accordingly, the preferred focus distance and depth of field satisfying the requirements for theme or special depth of field can be acquired. In addition, image capturing can be performed for a shorter exposure time.

A springless voice coil actuator is provided. The springless voice coil includes a base, a coil, a guiding rod, a slidable base, a main magnetic component and a balance magnetic component. The coil is disposed on the base. The guiding rod is disposed on the base. The slidable base is for sliding along the guiding rod to a predetermined direction. The main magnetic component is connected to the slidable base. The balance magnetic component is coupled with the main magnetic component for generating a magnetic induction.

National Chung Cheng University | Date: 2015-05-18

Disclosed is a microfluidic biosensing system including a processor, in which a Raman barcode database corresponding to at least one Raman spectrum signal is stored, a plurality of Raman barcode beads mixed with a target fluid and coupled to at least one target bioparticle in the target fluid, a microfluidic channel disposed to make the target fluid mixed with the Raman barcode beads flow therethrough, a light source disposed on the microfluidic channel, and a spectral detection device connected to the processor and disposed to correspond to the light source. The spectral detection device receives the Raman spectrum signal generated when the target bioparticle coupled with the Raman barcode bead is irradiated, and transfers the received Raman spectrum signal to the processor. The processor determines a type of the bioparticle(s) and calculates the number of bioparticle(s) by matching the Raman spectrum signal(s) to the Raman barcode database.

Hsu W.-Y.,National Chung Cheng University
International Journal of Neural Systems | Year: 2013

An electroencephalogram (EEG) analysis system is proposed for single-trial classification of motor imagery (MI) data in this study. Applying event-related brain potential (ERP) data acquired from the sensorimotor cortices, the system mainly consists of enhanced active segment selection, feature extraction, feature selection and classification. In addition to the original use of continuous wavelet transform (CWT) and Student's two-sample t-statistics, the 2D anisotropic Gaussian filter is proposed to further refine the selection of active segments. We then extract several features, including spectral power and asymmetry ratio, coherence and phase-locking value, and multiresolution fractal feature vector, for subsequent classification. Next, genetic algorithm (GA) is used to select features from the combination of above-mentioned features. Finally, support vector machine (SVM) is used for classification. Compared with without enhanced active segment selection, several potential features and linear discriminant analysis (LDA) on MI data from two data sets for 10 subjects, the results indicate that the proposed method achieves 86.7% average classification accuracy, which is promising in BCI applications. © 2013 World Scientific Publishing Company.

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