Open) 밸브이다. 밸브의 개폐동작은 제어기에 의해 조절되는 공기압의 변화에 의하여 이루어진다. 공기압의 증가에 따라 열리는 밸브는 AO(Air-to-Open), 그 반대의 경우는 AC(Air-to-Close) 밸브라 하는데 보통 FO는 AC에, FC는 AO에 해당된다.
(2) 자동제어계의 구성
1) Open & Close Loop제어
온도․압력․유량&
Ⅰ. Analysis of Korean Air
1. Quick Overview (history, vision, mission, motto)
Company History
1969 - Introduction of private management ( Korean Airline Corporation )
1973 - Set up Pacific line
1990 - Operate New CRS ( Computer Reservation System )
1991 - 4th ranked as International Goods transport
15th ranked as International Passenger transport
1995 - Introduce 100th plane (B74
Opens U.S. subsidiary.
1986 Acquires Big Three Industries, becomes second largest industrial
gas producer in the United States.
1994 Begins power cogeneration activities, including acquisition of
power generation company Bayou Cogen and construction of
new plants in Italy, the Netherlands, and France.
2001 Air Liquide rejects takeover o
open degree of discretion is more tell him to grow. Companies in the delegation level will rise by increasing the frequency of travel.
2) Pessimism outlook : Short-haul air travel with High Speed Rail and means for increasing the competition, and commercial travel to their own means of communication for the development of substitution noticeable, and the acceptance of airport facilities and air
Open loop system을 사용하고 있었다. 오늘날 자동차 엔진은 원하는 수준을 1%이내에서 유지하고자, Feedback control system (Closed loop system)을 사용한다.
1.2 Goal definition
연료 : 공기 비율이 1:14.7에서 1% 이상이 달라지면 촉매 변환기는 제 역할을 할 수 없으며 이는 환경에 유해한 가스 배출을 야기한