Optimal H-infinity design of a control system for the angle of attack

1997 ◽  
Author(s):  
A. Stoica
Keyword(s):  
Control System ◽  
Angle Of Attack ◽  
H Infinity

Pilot-Induced Oscillations Prevention Using Anti-Windup Compensation in the Presence of Time-Delay

2013 ◽  
Vol 325-326 ◽  
pp. 1262-1266
Author(s):  
Valentin Pană
Keyword(s):  
Control System ◽  
Time Delays ◽  
Design Technique ◽  
Comparative Result ◽  
H Infinity ◽  
Reduced Order ◽  
Saturating Actuators ◽  
Time Simulation ◽  
Compensator Design ◽  
Optimization Methodology

The paper presents a compensator design technique for systems with saturating actuators in order to recover as much as possible the performance of the unsaturated case. This anti-windup scheme is obtained using H-infinity optimization methodology. The proposed design approach allows to obtain a anti-windup controller that accounts for time-delays in the control system. Comparative result are presented for the two design methods and time simulation of the nonlinear system are used to analyze the performances of both designs. A reduced order anti-windup controller procedure is also investigated. Keywords: PIO, anti-windup, rate saturation, compensator.

Integrated optimum design of structure and H-infinity control system

AIAA Journal ◽  
1996 ◽  
Vol 34 (1) ◽  
pp. 159-165 ◽  
Author(s):  
K. Tsujioka ◽  
I. Kajiwara ◽  
A. Nagamatsu
Keyword(s):  
Control System ◽  
Optimum Design ◽  
H Infinity ◽  
H Infinity Control

Nonlinear H-infinity flight control system design for aircraft

1997 ◽  
Author(s):  
Ching-Fang Lin ◽  
Tie-Jun Yu ◽  
Jian-Hua Ge ◽  
Hsi-Han Yeh ◽  
Siva Banda ◽  
...  
Keyword(s):  
Control System ◽  
System Design ◽  
Flight Control ◽  
Control System Design ◽  
Flight Control System ◽  
H Infinity

scholarly journals Comparative Study of Different Algorithms for a Flight Control System Design and the Potentiality of Their Integration with a Sidestick

Aerospace ◽  
2021 ◽  
Vol 8 (10) ◽  
pp. 290
Author(s):  
Alexandr V. Efremov ◽  
Zoe Mbikayi ◽  
Eugene V. Efremov
Keyword(s):  
Control System ◽  
Flight Control ◽  
Inverse Dynamics ◽  
Synergetic Effect ◽  
Tracking Task ◽  
Modern Trend ◽  
Control Force ◽  
Flight Control System ◽  
H Infinity ◽  
Pitch Tracking

The modern trend of developing highly automated aircraft is characterized by a transition from traditional methods and technical solutions to innovative approaches in order to control the system, inceptor and display design. This paper deals with the development and comparison of flight control system algorithms based on inverse dynamics, H-infinity and traditional feedback methods. The integration of a controller based on inverse dynamics with a novel type of sidestick, shaping the pilot output signal such that it is proportional to the control force (force sensing control—FSC), is studied. The inverse dynamics-based controller is chosen, as it provides a variance of error that is up to 2.3 times less than that of the feedback gains and up to 1.5 times less than that of the H-infinity controller in a pitch tracking task. The synergetic effect arising from the proposed integration is also evaluated. The evaluation of the effectiveness of the methods is carried out through mathematical modeling of the pilot–aircraft system and ground-based simulations on a helicopter mathematical model in a pitch tracking task.

Stable platform H-infinity vibration control system design

1999 ◽  
Author(s):  
Ching-Fang Lin ◽  
Ping-An Bao ◽  
Sarah Braasch
Keyword(s):  
Control System ◽  
Vibration Control ◽  
System Design ◽  
Control System Design ◽  
H Infinity
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