Intelligent predictive control of a model helicopter's yaw angle

Morteza Mohammadzaheri*, Lei Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

32 Citations (SciVal)


In this paper the concept of Control Inertia is introduced and based on this concept, unexpectedly inadequate control behaviour of High Control Inertia systems is explained. Fuzzy compensators are then suggested to improve the control behaviour. This work is in the area of non-model-based control. In order to indicate the merit of the proposed technique, a neuro-predictive (NP) control is designed and implemented on a highly non-linear system, a lab helicopter, in a constrained situation. It is observed that the behaviour of the closed loop system under the NP controller either displays considerable function (with a low value of a particular design parameter) or is very slow (with high values of the same design parameter). In total, the control behaviour is very poor in comparison to existing fuzzy controllers, whereas NP is used effectively in the control of some other systems. Considering the concept of Control Inertia, a Sugeno-type fuzzy compensator was added to the control loop to modify the control command. A newly designed neuro-predictive control with fuzzy compensator (NPFC) improves the performance of the closed loop system significantly by the reduction of both overshoot and settling time. Furthermore, it is shown that the disturbance rejection of the NPFC controlled system as well as it parameter robustness is satisfactory.

Original languageEnglish
Pages (from-to)667-679
Number of pages13
JournalAsian Journal of Control
Issue number6
Publication statusPublished - Nov 2010
Externally publishedYes


  • Control inertia
  • Fuzzy
  • Model helicopter
  • Neuro-predictive control
  • Yaw angle

ASJC Scopus subject areas

  • Control and Systems Engineering


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