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Study on Relation Between Inductance Curve and Generation Efficiency of Switched Reluctance Generator for Wind Power Generation System
Get PDFapplication/pdf論文(Article)This paper focuses on the design method for improving efficiency of switched reluctance generator (SRG) and has a detailed discussion. It also contains the details of corresponding theories and simulation. In order to improving the efficiency of SRG, the existing SRG is analyzed with a finite element method software ANSYS, and the inductance data is obtained for various conditions. The six kinds of inductance curve’s shapes have been considered based on the inductance data of existing SRG. And a nonlinear simulation model using look-up table is made to calculate the efficiency of SRG for different inductance curve’s shapes. The inductance curve’s shape which can make the SRG having the highest efficiency is identified as a target inductance curve’s shape for the future detailed optimization design.departmental bulletin pape
The diurnal firefly, Lucidina biplagiata, inhabiting in two islands of Genkai Bay,Kyushu region of Japan, and its molecular analysis
Get PDFapplication/pdf論文(Article)We investigated the distribution of the diurnal firefly, Lucidina biplagiata, in two islands
of Genkai channel in Kyusyu region of Japan from May to June in 2016.
Molecular analyses revealed that the populations in Ikinoshima Islands and Tsushima Islands
are grouped in a clade of the populations in Japan Mainlands.18843093departmental bulletin pape
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Proposal and analysis of stochastic variants of Quantum Tic-tac-toe
Get PDFapplication/pdf論文(Article)The stochastic variants of Quantum Tic-tac-toe are proposed as more quantum-mechanical metaphor, and the theoretical outcomes as expected values are computed with a stochastic modification of the alpha-beta search. The outcomes vary from complete win to draw with increasing the advantageous probability for the second player. In addition, new zero-sum scoring with a positive score for the second player in a drawn game is introduced and analyzed. The results show the outcome becomes zero when the advantageous probability is around 0.75,which is considered as the evenly-matched interesting settings. Finally, the availability of playing system of the variants is shown.departmental bulletin pape
Development of Training System for Laparoscopic Surgery aiming to Learn Forceps Operation Feeling
Get PDFapplication/pdf論文(Article)Faced with a shortage of the certifying physician of laparoscopic surgery, more effective training environment has been expected by the advising doctors. This study proposes the training system, which comprises one desktop computer, a web camera, and two lab-made forceps control devices. In order to make the fundamental training program of this system, both the forceps operation and the camera image while a skilled surgeon sutured the enteric canal model were recorded. The system gives a trainee the virtual experience of suturing the enteric canal model in a training. This paper introduces the system structure and the functions of the training system.departmental bulletin pape
An experimental study of the effect of bidding increments on the contract price of online auction
Get PDFapplication/pdf論文(Article)In recent years, online auction has been widely used in a variety of fields. Unlike traditional auctions, it introduces this mechanism to the masses, and provides them with a broad selection of goods to buy or sell. This paper focuses on finding a better bidding increment rule to maximize the contract price from exhibitors’ perspective. The primal method applied here is to compare the effect of fixed and variable bidding increments on the contract price by simulation with C language. The auction is assumed to be first-price and open-bid with installation of automatic bidding system. Our simulation results show that for goods at all market prices, there exists certain fixed bidding increment(s) outperforming the variable one. However, with other fixed bidding increments, variable bidding increments usually perform better. 福岡工業大学情報科学研究所departmental bulletin pape
Self-leadership and career success of R&D workers：Mediation of knowledge sharing and exploration
Get PDFapplication/pdf論文(Article)Given significant role of R&D workers in technological innovations and organizational performance, understanding their career success helps R&D organizations develop effective career development programs and facilitate individual innovators to formulate effective career strategies. Adding to literature on personal attributes and ability to achieve successful career, this research proposes a research model which focuses on self-leadership and its effect on subjective career success of R&D workers. Furthermore, to understand the mediatory path of how self-leadership influences career satisfaction, this study proposes to analyze organizational behaviors of knowledge sharing and exploration. The research results of this study will provide significant implications for human resource management and individual strategies for career development for R&D personnel.departmental bulletin pape
