| Abstract |
In every control loop the plant input saturation is
present, but in many design attempts, this fact is not taken into
account. Neglecting the presence of saturation can lead to loss of
performance or even instability. Since linear matrix inequalities
have been established as standard tool in control, many papers
were published on analysis and design anti-windup systems. The
analysis of such control loops is regarded as easy one, but still
there is no uniform approach to design. The paper present
perhaps two simplest approaches based on published cases.
First one is to design such controller, which never saturates for
given class of inputs (disturbances). The second one allows
designing anti-windup system for existing (previously designed)
controller. |
