lab_1_report - ISTANBUL TECHNICAL UNIVERSITY MECHANICAL...

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ISTANBUL TECHNICAL UNIVERSITY MECHANICAL ENGINEERING FACULTY EXPERIMENTAL METHODS in MECHANICAL ENGINEERING EXPERIMENTAL ANALYSIS OF SYSTEM RESPONSE LAB REPORT 1 Zeynep G. Çolak 030010128 1. INTRODUCTION
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The response of dynamical systems consists of two parts; the transient response and the steady-state response. In the transient response, the system goes from the initial state to the final state. The steady-state response of a system is the behaviour of the system as t approaches infinity. The steady-state response of a dynamical system to a sinusoidal input is called “frequency response”. This response can be analysed in either “time domain” or “frequency domain”. The transient response is generally studied in “time domain” by using the input functions such as step, impulse or ramp. 2. THE ANALYSES OF SYSTEM RESPONSE The analyses of system response can be determined by two ways which are theoretical and experimental ways. i) Theoretical Way: If we know the mathematical model of the system, the response of the system can be easily obtained using transfer functions by applying Laplace Transformation analytically. ii) Experimental Way: If we don’t know the mathematical model of the system, the input is applied to the system and the system response is analysed experimentally.
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