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5. Block diagram_upload

5. Block diagram_upload - Transfer Function Block Diagram...

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Transfer Function & Block Diagram J I N K A N G
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Modeling In particular, mathematical modeling Modeling is a crucial piece of the system design process System design is process of defining a system that accomplishes a given task while meeting certain performance and reliability criteria and monetary constraints Don’t throw sensors, actuators, and springs together and expect it to work flawlessly Do a careful analysis of dynamics based on reasonable mathematical models
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What is reasonable? Often there is a tradeoff between simplicity and accuracy Lumped parameter models like mass spring are good at low frequency and small displacements At high frequency, may need to account for distributed mass In modeling, you decide how good your model must be
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Mathematical Model Forms Transfer function Limited to LTI systems Block diagrams Build complex systems State space equations More powerful than transfer function Non linear system Non zero initial condition Time variant
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