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FIGURE 4.8 Typical voltage response for underdamped RLC circuit.
The solution of heterogeneous (inhomogeneous) differential equation of one-dimensional control system (Eq.(1.15)) will have two components: - the general solution of homogeneous differential equation which describes the system free movement or its transient process; - the partial [particular] solution of heterogeneous differential equation which describes the system forced movement.
A The general solution The integral of homogeneous differential equation
The steady-state process of a control system means its behavior after the termination of its transient process (on condition that The system free movement represents the system behavior after the moment when this system was forced to leave its equilibrium state being effected by some input action (we suppose that this input action has a limited duration).
Fig.2 The transient process of the 2nd order under-damped control system where system.
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