1. SIMULATION OF SYSTEM MRSE / MDE 2623 SHAMSUL BIN SARIP & SA’ARDIN ABDUL AZIZ

2. Introduction System Simulation

3. SYSTEM Most systems that surround us are multidimensional, extremely complex, time varying, and nonlinear in nature as they are comprised of large varieties of actively or passively interacting subsystems These systems consist of interacted subsystems, which have sepa- rate and conflicting objectives. The term system is derived from the Greek word systema, which means an organized relationship among functioning units or components. It is used to describe almost any orderly arrangement of ideas or construct

4. SIMULATION Simulation is thus an inexpensive and safe way to experiment with the system model Physical sim- ulation deals with the experimentation of physical prototype of real system In this case, the real input (scaled) is applied to the model and its output is compared with the real system. Another type of simulation is numerical simulation of mathematical models The word simulation is derived from the Latin word simulare, which means pretend

5. Advantages of Simulation Simulation could play a more vital role in biology, sociology, economics, medicine, psychology, engineering, etc., where experimentation is very expensive, time consuming, and risky. 1.Get deeper understanding about system Important design issues that may have been overlooked frequently come to light. Quick and useful insight about the systems can be gained easily 2.Improve system efficiency Simulation gives a good look at how the resources are performing. It makes the whole system more productive by spotting problems like excess capacity, bottle- necks, and space shortages. 3.Try out many alternatives With simulation model, one can avoid the risk and cost of trial and error experi- mentation on the real system. It tells us how key design changes can affect the entire system 4.Save time and money The cost of carrying out a simulation is often small compared to the potential reward of making a correct management decision or the cost of making a poor decision. Simulations allow rapid prototyping of an idea, strategy, or decision 5.Create virtual environments With the simulation models one can generate a virtual environment, which is very useful for many applications such as training of army personnel and training to fire fighters and players 6.Improves the quality of analysis System analysis can be effectively done if the system model is developed and simulated for different operating conditions and/or with different system parameters.