보았다.
실험의 전체적인 실험 순서이다.
1. Open-loop Proportional Control
2. Closed-loop Proportional Control
3. Proportional ControlSystem Response
4. Proportional plus Integral Control
5. Proportional plus Integral plus Derivate
6. Effect of Limits on Proportional Control
7. Effect of Deadband on Proportional Control
8. Two-step Control
9. Three-step Control
차단 가능
단점 외란이 있을경우
오차가 발생
높은 비용
사용분야 입력을 미리 알면서
외란이 없는 시스템 예측할 수 없는 외란 존재,
부품에 예측 불가능한 변동시
Two-Step control
조작량 또는 조작량을 지배하는 신호가 입력의 크기에 비해 2개의 정해진 값중 어느 한쪽을 취하는 행동
system by learning. Amazon not only broad their retail ventures but strengthen the customer-friendly features which would enhance its revenue.
(2) The Business-level Strategy
Use of Resources
Resource of Amazon is an intangible asset such as employee, knowledge, and brand name. Amazon gains employees from established businesses in the middle of acquisition process, and transfer to Am
integrate middlemen to us gradually rather than increase production immoderately. Then we can get more clean and reliable milk and also we can get consumer trust by managing supply chain effectively under our own control.
3) Integration of information system
By integration of information system with ERP, we can build total logistic management system which provide integrated service in overall
mainly the sewing, while the cutting is done in-house. This produces of saving labour cost, flexibility of meeting deadlines, keeping the designs/fashions strictly controlled.
Labeled and priced goods are immediately hanged upon arrival-Zara Burjuman, Dubai, July 2005
3.3- Information Systems
Information systems at Zara are one of the drivers of the quick response communication