Der‐Fa Chen
YOU?
Author Swipe
View article: Developing a Preliminary List of Indicators for Green Restaurants in Taiwan: An Expert Consensus Approach
Developing a Preliminary List of Indicators for Green Restaurants in Taiwan: An Expert Consensus Approach Open
This study aims to develop a preliminary list of indicators suitable for green restaurants in Taiwan. The research methodology includes expert consensus (Delphi method) and incorporates interviews with field experts. An analysis of the res…
View article: Savoring Belief, Resilience, and Meaning in Life as Pathways to Happiness: A Sequential Mediation Analysis among Taiwanese University Students
Savoring Belief, Resilience, and Meaning in Life as Pathways to Happiness: A Sequential Mediation Analysis among Taiwanese University Students Open
In recent decades, scholarly interest has grown in the psychological components of happiness. Savoring belief, or the capacity to attend to, appreciate, and enhance the positive experiences in one’s life, along with resilience and meaning …
View article: Applying the Taguchi Method to Improve Key Parameters of Extrusion Vacuum-Forming Quality
Applying the Taguchi Method to Improve Key Parameters of Extrusion Vacuum-Forming Quality Open
This research investigates the control of thickness and weight in plastic extrusion vacuum-thermoforming products to identify optimal key parameters for cost reduction and energy savings. The initial step involves identifying crucial influ…
View article: Role of Higher Education Students’ Environmental Awareness and Environmental Concern in the Purchase Intention of Circular Economy Products
Role of Higher Education Students’ Environmental Awareness and Environmental Concern in the Purchase Intention of Circular Economy Products Open
A circular economy is a concept of sustainable development that enhances a company’s image and influences consumers’ attitudes toward the corporation. Trust, commitment, and identification in relationship marketing are key factors for fost…
View article: Effect of Social Presence toward Livestream E-Commerce on Consumers’ Purchase Intention
Effect of Social Presence toward Livestream E-Commerce on Consumers’ Purchase Intention Open
The booming development of livestream e-commerce has attracted considerable academic attention, but research on how social presence affects consumers’ purchase decisions is limited. To this end, this article proposed a theoretical framewor…
View article: Developing an Extended Theory of UTAUT 2 Model to Explore Factors Influencing Taiwanese Consumer Adoption of Intelligent Elevators
Developing an Extended Theory of UTAUT 2 Model to Explore Factors Influencing Taiwanese Consumer Adoption of Intelligent Elevators Open
Followed by the fast developments in Internet of Things (IoT), artificial intelligence (AI) technologies, utilizing cloud architecture and big data, have been integrated into various aspects of our daily lives. Such an integration results …
View article: The Investigation of Key Factors in Polypropylene Extrusion Molding Production Quality
The Investigation of Key Factors in Polypropylene Extrusion Molding Production Quality Open
This study took food-grade polypropylene packaging products as the research project and discussed how to control the polypropylene extrusion sheet thickness and vacuum thermoforming quality and weight. The research objective was to find th…
View article: A Study of the Construction of Indicators for “IT-APP” Principals Technology Leadership for Industrial and Vocational High School in Taiwan
A Study of the Construction of Indicators for “IT-APP” Principals Technology Leadership for Industrial and Vocational High School in Taiwan Open
Objective of principals technology leadership contents, there are 32 topics covering 5 facet being prepared. Following the fuzzy Delphi method, 17 experts were invited to have Delphi rounds questionnaire. The lfacets and breakdowns compris…
View article: Critical Success Factors to Improve the Business Performance of Tea Drink Chains
Critical Success Factors to Improve the Business Performance of Tea Drink Chains Open
By determining critical success factors (CSFs), this study intends to identify indicators and offer suggestions for existing owners or operators to improve their critical works in business management, as well as for newcomers interested in…
View article: Electromagnetic Actuator System Using Witty Control System
Electromagnetic Actuator System Using Witty Control System Open
Electromagnetic actuator systems composed of an induction servo motor (ISM) drive system and a rice milling machine system have widely been used in agricultural applications. In order to achieve a finer control performance, a witty control…
View article: Permanent-Magnet SLM Drive System Using AMRRSPNNB Control System with DGWO
Permanent-Magnet SLM Drive System Using AMRRSPNNB Control System with DGWO Open
Because permanent-magnet synchronous linear motors (SLM) still exhibit nonlinear friction, ending effects and time-varying dynamic uncertainties, better control performances cannot be achieved by using common linear controllers. We propose…
View article: Mixed Modified Recurring Rogers-Szego Polynomials Neural Network Control with Mended Grey Wolf Optimization Applied in SIM Expelling System
Mixed Modified Recurring Rogers-Szego Polynomials Neural Network Control with Mended Grey Wolf Optimization Applied in SIM Expelling System Open
Due to a good ability of learning for nonlinear uncertainties, a mixed modified recurring Rogers-Szego polynomials neural network (MMRRSPNN) control with mended grey wolf optimization (MGWO) by using two linear adjusted factors is proposed…
View article: The influence of performance feedback frequency and affective commitment on the sunk cost effect
The influence of performance feedback frequency and affective commitment on the sunk cost effect Open
The purpose of this study is to explore how combined effect of feedback frequency of investment performance and manager's affective commitment on reduction of the sunk cost effect. To this end, we designed an experimental questionnaire to …
View article: Reengineering Industry-Oriented Educational Programs at Senior High Schools in Taiwan
Reengineering Industry-Oriented Educational Programs at Senior High Schools in Taiwan Open
The objective of this study was to assess attempts to bridge the gap between study and application in industry-oriented technology programs at senior high schools in Taiwan. This education reengineering project was implemented in an attemp…
View article: The Study on the Relationships Among Organizational Culture, Strategies of the TVE Reform Project and Competitive Advantage of TVE Institutions in Taiwan
The Study on the Relationships Among Organizational Culture, Strategies of the TVE Reform Project and Competitive Advantage of TVE Institutions in Taiwan Open
The main purpose of the paper is to investigate the relationships among organizational culture, strategies of Phase II of the Technological and Vocational Education (TVE) Reform Project and competitive advantage of TVE Institutions in Taiw…
View article: Applying the TRIZ Systematic Innovation Method to Improve Short Circuit Devices
Applying the TRIZ Systematic Innovation Method to Improve Short Circuit Devices Open
A short circuit protector will quickly switch off power in case of an overload or short circuit fault in order to quickly isolate or eliminate the fault.This research uses the contradictions matrix of the TRIZ innovation theory and 40 inno…
View article: Research into the Improvement on Hexagonal Socket by Applying the System Innovation Theory
Research into the Improvement on Hexagonal Socket by Applying the System Innovation Theory Open
A socket is used as a handling tool after matching with a ratchet wrench.Its main function is to handle all kinds of screws and nuts and other fastening parts, but sockets are often lost after falling down on the ground or rolling over bef…
View article: Improving SVD-based image watermarking via block-by-block optimization on singular values
Improving SVD-based image watermarking via block-by-block optimization on singular values Open
The purpose of this paper is to improve the robustness of traditional image watermarking based on singular value decomposition (SVD) by using optimization-based quantization on multiple singular values in the wavelet domain. In this work, …