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RISS 인기검색어
- 검색키워드
- 저자 : Chu-po Ho (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
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An Internet Based Embedded Network Monitoring System for Renewable Energy Systems
Po-Yen Chen,Se-Kang Ho,Wei-Jen Lee,Chia-Chi Chu,Ching-Tsa Pan 전력전자학회 2007 ICPE(ISPE)논문집 Vol.- No.-
In this paper, an internet based embedded network monitoring system is proposed for renewable energy systems. By using a low cost network communication module (RCM 3700) as a web server, one can achieve better network security, lower power consumption, compact size, and easier to use as compared with a PC based one. Also, Java language is chosen for designing a dynamic webpage to graphically display various real time waveforms of the controlled system for multi-user at the same time. As an illustrative example, a small scale wind power generation system equipped with an EZDSP 2812 controller is adopted for demonstration. In addition, an FPGA EC10 is implemented as a bidirectional communication interface for coordinating the asynchronous data transmission modes. Experimental results from the constructed prototype verify that the proposed monitoring system can indeed achieve the desired function.
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Nga-wun Li,Chu-po Ho,Kit-lun Yick,Jin-yun Zhou 한국섬유공학회 2020 Fibers and polymers Vol.21 No.12
As the use of textile polypropylene (PP) fibers becomes more common in commercial textiles and sportswear, theinvestigation of the effects of UV-curable ink on the heat-sensitive PP knitted fabrics is crucial to optimize functional clothingdesign. This study investigated the effects of UV-curable ink on the heat-sensitive PP knitted fabrics when the ink was curedusing UV light at room temperature, to avoid degradation of the PP fabric by high temperature, and provided an alternativecoloring method for PP fabric used in sportswear. The influences of printing parameters such as the printing distance, numberof overprints, and color of ink on fabrics as well as aesthetic, physical, and low-stress mechanical properties in terms oftensile, bending, shearing, surface, and compression were systematically investigated. The results indicated that the physicalproperties and low-stress mechanical properties of PP fabrics printed with UV-curable ink were significantly affected by thenumber of overprints and the color of the prints, whereas the color appearance was affected mainly by the number ofoverprints and the printing distance. In terms of the fabric’s hand value, only 2HB and 2HG5 were significantly affected bythe number of overprints and the color of the prints, with the prediction rate exceeding 40 % among the low-stress mechanicalproperties. The fabric’s hand value was not significantly affected by the thin UV-cured ink film when compared with thefabric itself. Fabric printed in a color with the greatest lightness and the fewest overprints had the lowest fabric weight,thickness, and color difference (ΔE) towards the reference color, in addition to better bending recovery and resilienceproperties. The new knowledge from this study can provide an alternative coloring method for PP knitted fabric to increasethe design variety available to textile designers who use PP fabric. The results from this study contribute to the textile andknitwear design industry.
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