Chapter 21
Modeling in Time and Frequency Domain
Função de transferência em sistemas de controle
The transfer function is a mathematical representation that describes the system's output for each possible input in the frequency domain.
Consider a ...
Sistemas elétricos
Electrical networks are first represented by equivalent circuits consisting of three passive linear components: resistors, capacitors, and inductors.
...
Sistemas Mecânicos
In mechanical systems, springs, and masses are akin to the roles of inductors and capacitors in electrical networks, with the energy-dissipating function ...
Sistemas eletromecânicos
Electromechanical systems represent a unique blend of electrical and mechanical components that integrate seamlessly.
A DC motor is a unit that transforms ...
Aproximação Linear no Domínio da Frequência
Linear systems exhibit superposition, summing responses to individual inputs, and homogeneity, scaling responses consistently to an input multiplied by a ...
Representação do Espaço de Estado
The frequency-domain technique, which is commonly used for analyzing and designing feedback control systems, is only suitable for linear, time-invariant ...
Função de transferência para espaço de estado
State-space representation is used for simulating physical systems on digital computers. For this, the transfer function must first be converted into ...
Espaço de estado para função de transferência
State-space representation can also be converted into a transfer function in system analysis.
The transformation begins with the given state and output ...
Aproximação linear no domínio do tempo
Nonlinear systems find a superior modeling in state-space representation.
Consider a simple pendulum represented in state-space with the center of mass at ...
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