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양성욱,이상철,Yang, Sungwook,Lee, Sangchul 항공우주시스템공학회 2007 항공우주시스템공학회지 Vol.1 No.1
The importance of software development in the integration of an avionics system is continuously increasing. And we can expect enlarged soft ware portion in the system integration for the more intelligent, reliable, and automated avionics system. For an avionics system software development the selection of a real-time operating system and internal avionics data bus protocol is very important from the viewpoint of the integration with the system hardware. In this paper, we present current trend of an avionics system software development including software development methodology, software development process, and international software process assessment improvement model.
신경 신호 측정을 위한 마이크로 모터 기반 마이크로 드라이브
양성욱(Sungwook Yang),박기태(Kitae Park),전효진(Hyojin Jeon),조제원(Jeiwon Cho),신희섭(Hee-Sup Shin),윤의성(Eui-Sung Yoon) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.5
The miniature motorized microdrive which is applicable to the neural signal recording in gene-modifiable mice is presented. The microdrive is manipulated with direct driving method of micro motor within the range of 2.8㎜, with the resolution of 0.742 ㎜. A moving electrode in a mouse brain is monitored with an integrated MR(Magneto-Resistive) sensor. This microdrive, which is trapezoidal, has the length of 7.1㎜, the width of 5㎜, the height of 22.5 ㎜ and the weight of 1.45g only. The displacement of the microdrive was evaluated and verified in the range of 1000 ㎛. The neural signal of the mouse in anesthesia was recorded successively with the microdrive moving.
소형항공기 인증-설계 통합시스템 개발을 위한 데이터베이스 구축 기법 연구
이동규,양성욱,이상철,Lee, Dongkyu,Yang, Sungwook,Lee, Sangchul 항공우주시스템공학회 2008 항공우주시스템공학회지 Vol.2 No.4
Airworthiness is a term used to dictate whether an aircraft is worthy of safe flight. It is illegal in most countries to fly an aircraft without first obtaining an airworthiness certificate from the responsible government agency. For developing an aircraft, the design modifications and upgrades are considered a high financial risk proposal for most Program Managers(PMs). However Design-to-Certification Integrated System can be a great help in achieving a good design solution in an acceptable amount of time and flight test. In this paper, we present a method to construct database for the Development of Design-to-Certification Integrated System. By using this database, the human designer could manage and find the regulation and requirements related with his concern effectively.
심상현,김지철,양성욱,전동익,이상철,오화석,강민영,금동교,Shim, Sanghyun,Kim, Ji-Chul,Yang, Sungwook,Cheon, Dong-Ik,Lee, Sangchul,Oh, Hwa-Suk,Kang, Min-Young,Keum, Dong-Kyo 항공우주시스템공학회 2009 항공우주시스템공학회지 Vol.3 No.1
Quad-rotor is one kind of a rotorcraft in Unmanned Aerial Vehicle (UAV), which consists of four rotors in total and fixed-pitch blades located at the four corners. This vehicle is emerging as popular platform for UAV research due to the simplicity of its construction, the ability of hovering and the vertical take-off and landing (VTOL) capability, etc. Because of those specific capabilities, this vehicle can be applied to many fields: search and rescue, mobile sensor networks, fire observation, etc. However a quad-rotor is much affected by the disturbance due to the characteristics of structure. So this vehicle needs attitude control for stabilizing. In this paper, we design the control law for automatic stabilization. The PID controller is used to control a brushless DC motor. And an accelerometer is used to measure the roll and pitch angles of a quad-rotor.