BULLETIN of the

POLISH ACADEMY of SCIENCES

TECHNICAL SCIENCES

BULLETIN of the POLISH ACADEMY of SCIENCES: TECHNICAL SCIENCES
Volume 56, Issue 4, December 2008

Electronics

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Stability regions of closed loop system with time delay inertial plant of fractional order and fractional order PI controller

A. RUSZEWSKI
The paper presents the stability problem of control systems composed of a fractional-order PI controller and a inertial plant of a fractional order with time delay. Simple and efficient computational method for determining stability regions in the controller and plant parameters space is given. Knowledge of these regions permits tuning of the fractional-order PI controller. The method proposed is based on the classical D-partition method.
  
Key words: 

PID controllers, fractional system, stability, delay, D-partition method.


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Copyright ® Bulletin of the Polish Academy of Sciences: Technical Sciences

December 2008