Development and Validation of Automatic Thrust Control System

Kim, Chong-Sup; Cho, Inje; Dong-Kyu, Lee

doi:10.5302/j.icros.2010.16.9.905

Cited by 2 publications

(1 citation statement)

References 3 publications

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“…Figure 9 shows real-time HQS 27 of the T-50 supersonic trainer to qualitatively evaluate the handling qualities. This equipment provides the environment for the pilot-in-the-loop flying qualities evaluation and development control law.…”

Section: Handling Qualities Evaluationmentioning

confidence: 99%

Development of a control law to improve the handling qualities for short-range air-to-air combat maneuvers

Kim¹,

Ji²,

Kim

2014

Advances in Mechanical Engineering

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Modern fighter aircraft have been designed to have high maneuverability in order to preoccupy strategic superiority in short-range air-to-air combat between fighter aircraft in warfare. Digital fly-by-wire flight control system design is aimed at providing good handling qualities for all mission task elements over the entire flight envelope. To provide both excellent gross acquisition and fine tracking compatibility, simultaneously for air-to-air combat maneuvers, this article presents a common longitudinal control law design of a task-dependent self-adjusting command-path pilot prefilter gain scheduler within the same control law design architecture and response type based on nonlinear dynamic inversion control. We perform the frequency- and time-domain analyses based on the mathematical model of T-50 advanced trainer aircraft to evaluate the basic flying qualities of the proposed control method. Furthermore, the pilot evaluation is performed to evaluate the gross acquisition and fine tracking capability for air-to-air tracking maneuvers in a handling quality simulator. The evaluation results reveal that the proposed control method improves the fine tracking capability without the degradation of gross acquisition.

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Section: Handling Qualities Evaluationmentioning

confidence: 99%

Development of a control law to improve the handling qualities for short-range air-to-air combat maneuvers

Kim¹,

Ji²,

Kim

2014

Advances in Mechanical Engineering

Self Cite

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A Study on Improvement of Roll Autopilot System

Kim¹,

Koh²,

Ji³

et al. 2015

Journal of the Korean Society for Aeronautical & Space Scie

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The fighter aircraft uses several different loading configurations for air-to-surface and air-to-air combat missions. To maintain wings-level flight with an asymmetric weapon configuration, a pilot controls a roll trim system. However, it is difficult to apply an accurate roll trim input for wings-level flight in the actual flight under disturbance. The inaccurate roll trim input degrades the performance of the roll autopilot system. In this paper, to solve this problem, an integrator was additionally designed in the command part of the roll autopilot system. The initial transient response was improved by scheduling the limiter to restrict the roll attitude error. As a result of the evaluation of the simulation for the designed flight control law, the roll attitude following performance was found to be improved in the autopilot system operation under the inaccurate roll trim condition.

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Development and Validation of Automatic Thrust Control System

Cited by 2 publications

References 3 publications

Development of a control law to improve the handling qualities for short-range air-to-air combat maneuvers

Development of a control law to improve the handling qualities for short-range air-to-air combat maneuvers

A Study on Improvement of Roll Autopilot System

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