1. 기존 PLANT 내의 제어실에 새로운 CONTROL SYSTEM 을 설치하고 기존 CONTROL SYSTEM 과의 DATA COMMUNICATION을 하려고 한다. 이때 고려해야할 사항을 설명하시오. 또한, OSI (Open System Interconnection) 7 Layer 에 대해 설명하고 TCP/IP 4계층과 비교 및 적용되는 Protocol의 예를 드시오.
① 이기종간의 제어시스템간의 데이타
Process control
Factory automatic & Energy saving
ex)Blower is use inverter. temperature control was improved the quality of product
C1, C2 – capacitor
R1, R2 – resistor
R3, R4 – resistor
D1, D2 – diode
Q1, Q2 – transistor
T1 – transformer
1) Ring Counter의 정의
- Ring Counter : 전자적 펄스 계수장치. 환형계수기라고도 한다. N개의 계수요소(計數要 素)가 환형으로 접속되고, 그중 1개만이 동작상태에 있으며, 계수 펄스 가 1개 가해질 때마다 동작상태가 이웃 요소에 이행되도록 회로를 구성 한 것이
Management-Employee Relationships
One of the most significant things about Southwest Airlines is its philosophy. The main philosophy clearly states that “Ask not what your employees can do for you, but what you can do for your employees”. As seen from this statement, we can clearly see how the Southwest Airlines emphasizes on the Management-Employee relationships. Other than leadership skill
loss prevention manager name Allen in late 2006, and repeatedly discussed them with store managers. Except for a stretch when IT managers temporarily tightened password policies, the problems went unfixed.
"I was basically hitting a glass wall," said Benson, a 23-year-old freshman at the University of Kansas who worked at TJ Maxx beginning in October 2005. "Not one single thing was done. My s
Ⅱ. Exchange rate regime
1. What is the exchange rate?
In finance, the exchange rates between two currencies specifies how much one currency is worth in terms of the other. It is the value of a foreign nation’s currency in terms of the home nation’s currency. For example an exchange rate of 91 Japanese yen (JPY, ¥) to the United States dollar (USD, $) means that 91 yen is worth the
Airport management, in common with others involved in the operation of elements of the civil air transportation system, are required to take measures that will provide a high level of protection of buildings and equipment (including aircraft), in addition to ensuring the safety and personal security of passengers and staff using the system. This must be done in manner that disturbs the normal ope
1.2 Structure of Planning for Security
Clearly, the subject of security has wide implications that reach far beyond the jurisdictional limits of the airport to central government itself. Planning to meet the needs of a security emergency requires the involvement of a number of organizations, such as:
∎ The airport administration
∎ The operation airlines
∎ The National
INVERTED AIR ATTACK sails SIX feet above the
wave in an explosion of water--
??
INT. BANK
--BAAAAAAMMM!
Glass doors explode OPEN and Pig Nose #1 SPINS inside. He
fires a burst into the ceiling. BRRAAMM!!
PIG NOSE #1
EVERYBODY on the floor!
PEOPLE drop.
VERY FAST HERE--
Two bandits handle BANK EMPLOYEES and customers--
Another PIG NOSE watches the door--
Pig Nose #1 moves behind counter, Uzi and c
loss of $14.6 billion in 2008, the worst in its history. Amid such downfall, however, Hyundai Motor managed to successfully remain as one of the few survivors in the US automobile market. Hyundai in fact had a 14% rise in sales in January 2009, compared to the figures in the previous year .
General Flow of the Report
This report focuses on Hyundai motor company in the United States automot