This study investigated the application of the TRIZ innovation system method to bicycle handlebars and used a satisfaction survey to evaluate whether the bicycle handlebars met the users’ requirements, in order to reduce the cost and time needed for product development. First, we conducted a literature search and expert consultation, to explore the improvement requirements for handlebar design and bicycle motion injury; then, we used a contradiction matrix and the invention principle of the TRIZ method for analysis and design; and finally we used a human–machine system and the human measurement method of human factor engineering to analyze the user and bicycle handlebar operation and related dimensional definitions, as a reference for the design and to make a prototype bicycle handlebar. The SERVQUAL questionnaire was developed to compare the differences between the designed bicycle handlebar prototype and commercially available bicycle handlebars, and a practical analysis of the design was conducted using a two-dimensional quality model (Kano model) and the important–performance analysis method (IPA). Research results: 1. Innovative design of the bicycle handlebars: the development of height adjustment slots, front and rear angle design, front and rear swivel left and right extension mechanism, the user can clearly determine the current position and adjust to the most comfortable position to avoid waist, cervical vertebrae, and arm injuries. 2. Satisfaction assessment of bicycle handlebar innovation design: analyse the importance and satisfaction of bicycle handlebar innovation design, determine the production time and mass production value of the product, use questionnaires to conduct IPA and Kano model cross-analysis matrix, in order to reduce the time and cost required for product development.
This study aims to develop professional competence indicators for underwater welding technicians for offshore wind power generation in Taiwan. A literature analysis methodology was employed to gather and investigate research studies related to competence indicators in the underwater welding domain of offshore wind power generation. Subsequently, the Delphi method was utilized to conduct a three-round questionnaire survey, aiming to seek expert opinions regarding the appropriateness and differentiation of these competency indicators. To examine the consistency and significance of expert opinions, the data were subjected to K–S single-sample analysis and K–W one-way analysis of variance. The study identified three main dimensions of professional competency indicators for underwater welding technicians in offshore wind power generation: professional skills, professional knowledge, and workplace attitudes. These dimensions further led to the identification of 10 sub-dimensions, including equipment operation, welding practice, welding inspection, metal materials, welding graphics, occupational safety, quality standards, process improvement, self-management, and teamwork. These sub-dimensions further informed the identification of 75 specific behavioral components as criteria. This study provides findings to enhance future staff training and talent recruitment, benefiting relevant units and managers. These results contribute to enhancing the competence and performance of personnel in underwater welding for offshore wind power generation.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.