Abstract
Aircraft ground braking control is a complex time-varying dynamic problem, especially when there are unexpected disturbances from lateral wind or visual error. Therefore, under some extreme conditions, it is hard for the pilot to control aircraft braking as well as usual without assistant control. This paper solves this problem by proposing a novel assistant control for aircraft ground braking, mainly based on the pilot control model and the LPV theory. And in order to reflect the control characteristics of the pilot, the sensory and control-theoretic model were combined together for controller designing. To test the performance of proposed control method, a real time pilot-in-loop simulation system is constructed. According to experiment results, the proposed assistant control shows better performance than pilot control, for it not only help the pilot to resist disturbance, but also hardly run counter to the pilot’s intent.
Highlights
Since there are lots of aircraft accidents during landing, aircraft ground brake control has become one of the most important issues during the landing procedures
The research on pilot control model would be important in this study, because the pilot assistant control problem is highly related to pilot behavior and control mode, and some well-known method for pilot control system synthesis is already widely used in practice, such as model following control [5]
The main contribution of this paper is that we solved the pilot assistant control problem when aircraft braking under external disturbance, where lateral wind and pilot visual error are mainly considered in this study
Summary
Since there are lots of aircraft accidents during landing, aircraft ground brake control has become one of the most important issues during the landing procedures. Y. Dai et al.: Aircraft Ground Braking Assistant Control Based on Pilot Control Model to replace the lateral deviation, just as the study in [20]. The main contribution of this paper is that we solved the pilot assistant control problem when aircraft braking under external disturbance, where lateral wind and pilot visual error are mainly considered in this study. As for aircraft ground braking situation, the near angle θn is derived from the driver position, near preview point and the direction, which is shown as follows: Where Vx is the aircraft longitudinal velocity, tp is the preview time, yL is the lateral deviation, ψL is the direction.
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