Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Piyasawat Navaratana Na Ayudhya"'
Autor:
Tirasak Sapaklom, Piyasawat Navaratana Na Ayudhya, Ekkachai Mujjalinvimut, Phattaleeya Mabpa, Jakkrit Kunthong
Publikováno v:
2021 9th International Electrical Engineering Congress (iEECON).
Stage lighting is a powerful tool to draw the audience into the music engagement in any music or concert performances. The traditional stage lighting control often requires professional operators and lots of time-consuming preparations. This paper pr
Autor:
Nuttapol Kitsatit, Preecha Aregarot, Piyasawat Navaratana Na Ayudhya, Tirasak Sapaklom, Ekkachai Mujjalinvimut, Jakkrit Kunthong, Natthaporn Saokaew, Thanadol Yongkunawut
Publikováno v:
2021 9th International Electrical Engineering Congress (iEECON).
This paper presents the design of a smart street lamp system around a football field at King Mongkut’s University of Technology Thonburi (KMUTT). The system utilized the LoRaWAN wireless communication protocol transmit at a distance over 500 meters
Publikováno v:
2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON).
Clogged sewer pipelines are one of the main problems that cause Sanitary Sewer Overflow ( SSO) which leads to serious environmental issues and property damage. This work presented clogged pipe detection and monitoring methods based on acoustic analys
Publikováno v:
IEEE Transactions on Industrial Electronics. 63:913-925
This paper proposes an adaptive feedback gain compensation technique and adaptive feedforward loop control based on analog design for an asymmetrical half-bridge converter without electrolytic capacitor to improve the system dynamic response and the
Autor:
Sampast Boonjeed, Mongkol Konghirun, Piyasawat Navaratana Na Ayudhya, Tirasak Sapaklom, Cherdchai Prapanavarat, Ekkachai Mujjalinvimut, Jakkrit Kunthong
Publikováno v:
2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS).
This paper presents an implementation of a Wireless Internet of Things (IoT) system applied to the traction motor drive condition monitoring in electric vehicles (EVs). The design and testing of the prototype using an ESP8266 microcontroller module t
Publikováno v:
IEEJ Transactions on Industry Applications. 131:1184-1192
This paper presents an electronic ballast system with lamp rating detection capability. From the experimentally obtained operating frequency of the lamps, a possibility weight is constructed to help facilitate the lamp classification. The proposed de
Publikováno v:
IECON
This paper proposes an adaptive feedback gain compensation technique and simple PI control for an asymmetrical half-bridge (AHB) converter to solve slow system response problem due to the fact that the DC gain of the AHB converter depends on the duty
An improved self-driven synchronous rectifier for high efficiency dimmable LED lighting applications
Publikováno v:
IECON
This paper presents an asymmetrical half bridge (AHB) converter for dimming low-voltage high-current LED lighting application. An improved driving circuit of a self-driven (SD) synchronous rectification (SR) is proposed for switching loss reduction a
Publikováno v:
2009 International Conference on Power Electronics and Drive Systems (PEDS).
This paper proposes a multi-rating electronics ballast for fluorescent lamp using phase-locked loop control scheme. By this method, the resonant frequency of the circuit is continuously tracked. Compared with the previous Phase-locked loop (PLL) cont
Publikováno v:
ISCAS (2)
This paper presents a method to detect calcifications, which is an early sign of breast cancer in mammograms. By wavelet packet transform, a low-frequency background is eliminated. Noises can be filtered using spatial edge images. Then the image from