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Pregunta de Elección Múltiple

Pregunta

An industrial process is described by the following difference equation: y(k+2)-0.2y(k+1)=0.5u(k+1)-0.1u(k). ¿What is the transfer function G(z)=Y(z)/U(z)?

Respuestas

G(z)= 0.5/(z-0.2)

G(z)= (0.5z-0.1)/(z^2-0.2z)

G(z)= (0.5z-0.1)/(z^2+0.2z)

G(z)= (0.5z-0.1)/(z^2+0.2z)

Retroalimentación

Pregunta de Elección Múltiple

Pregunta

¿What is the wrong sentence from all the following ?

 

Respuestas

The A/D converter function is to sample a continuous signal and convert it to digital

The hold function in a digital control system is normally implemented in the D/A converter.

If the poles of a process falls outside the unit circle, the system is stable.

The Z transform of y((k-1)T) is z-1Y(z).

Retroalimentación

Pregunta de Elección Múltiple

Pregunta

The Bilinear transformation is...

Respuestas

A discretization method for continous systems

A class of controller

A modelling tehcnique for linear systems 

A class of hold system alternative to zero order hold

Retroalimentación

Pregunta Verdadero-Falso

Pregunta 1

A digital controller is implemented as a computer program in a programmable digital device