1. System Analysis
Tugas Ke 2 Mata Kuliah Asas dan Penerapan Sistem Teknik
Dosen Pengampu : Ir. Supranto, M.Sc., Ph.D .
Muhammad Arman
TIKM – A
MST-UGM

2. Background
• Population of Indonesia : +/- 250 Million
• Enermous people need enermous food
• Food Industries have to supply the requirements of
food
• Food industries are supported by agriculture industries
• Booth food and agriculture industries need food and
raw material preservation
• One of preservation process is refrigeration process
• This assignment focus on refrigeration system
especially for food, drink, agriculture product

4. Typical Facilities

5. Refrigeration Machine (in
supermarket)

7. Refrigeration system
Source : Refrigeration and Air Condtitioning by A.R. Trott and T. Welch

8. Simple vapour compression refrigeration system
and its element

9. Comercial refrigeration system

10. System Boundary and Environment

11. Input output
• Refrigeration machine
•Electrical supply
•Product
•Operation High quality
•Standard and Process refrigerated food/
regulation raw food material
•Environment condition
•Demand and supply
variation

12. Problems
Electrical Environmental
Quality and Variation of and ambient
quantity and load (product) temperature
cost variation

13. Optimation of Problems
How to cope such as three major
problem

14. Goals/Targets
• Maka a refrigeration system that can handle
such as variation
Adding control ability
in refrigeration
system

15. Actions
•Programmable
logic controller
•Varible speed
drive

16. Thank You Very Much