By Martin Kozek, Alexander Schirrer
This publication demonstrates the possibility of the combined wing physique (BWB) idea for major development in either gas potency and noise relief and addresses the significant demanding situations raised for keep watch over engineers due to features like open-loop instability, huge versatile constitution, and gradual regulate surfaces. this article describes cutting-edge and novel modeling and regulate layout methods for the BWB plane into account. The professional individuals display how unprecedented powerful keep an eye on functionality could be accomplished regardless of such stringent layout constraints as assured dealing with characteristics, decreased vibration, and the minimization of the aircraft’s structural rather a lot in the course of maneuvers and attributable to turbulence. hence, this cutting edge procedure permits the development of even lighter plane buildings, and therefore leads to massive potency advancements in keeping with passenger kilometer. The therapy of this massive, advanced, parameter-dependent commercial regulate challenge highlights suitable layout matters and offers a correct case research for modeling and keep watch over engineers in lots of adjoining disciplines and functions.
Modeling and regulate for a mixed Wing physique airplane provides study ends up in numeric modeling and keep an eye on layout for a wide, versatile, civil BWB airplane within the pre-design degree as constructed in the ecu FP7 learn undertaking ACFA 2020. it's a resource for aerospace and keep an eye on engineers because it exhibits the entire BWB airplane modeling and keep watch over layout method, conducted with the latest instruments and methods available.
presents study leads to numeric modeling and regulate layout for a wide, versatile, civil BWB airplane within the pre-design level as constructed in the ecu FP7 learn venture ACFA 2020. it's a resource for aerospace and keep watch over engineers because it indicates the whole BWB airplane modeling and keep an eye on layout method, performed with the newest instruments and methods available.
Advances in commercial Controlaims to record and inspire the move of expertise up to the mark engineering. The swift improvement of keep watch over know-how has an effect on all components of the keep watch over self-discipline. The sequence deals a chance for researchers to provide a longer exposition of recent paintings in all points of commercial control.
Read or Download Modeling and Control for a Blended Wing Body Aircraft: A Case Study PDF
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Extra resources for Modeling and Control for a Blended Wing Body Aircraft: A Case Study
Baier et al. more easily and with fewer flight dynamics interactions. Damping capabilities for flight stability are generally lower on the BWB due to smaller lever arms and higher coupling effects. However, more sophisticated approaches are necessary to perform a detailed stability and performance assessment. 2 Aerodynamic Performance and Stability The BWB has a better lift/drag ratio (L/D ratio) at the reference Reynolds number and a very low CD0 , since the ratio of wetted area to Sref is lower.
The desired pilot command is transformed into control surface commands in an optimized manner with respect to handling qualities, limited control effort, and reduced maneuver-induced structural loads. Feed-forward disturbance control (FFDC). A priori knowledge of disturbances provided by adequate measurements is utilized to act early on the control surfaces, again in an optimized way to reduce disturbance-induced structural loads and vibration‘s as well as to improve ride comfort. For all three control tasks, a variety of control concepts can be utilized, including robust design, parameter-dependent and scheduled control, adaptive control, or a mixture of these.
Katz J, Plotkin A (2001) Low-speed aerodynamics. Cambridge University, Cambridge 46. Kehrer WT (1964) Longitudinal stability and control of large supersonic aircraft at low speeds. In: 4th ICAS congress, Paris, France 47. Kordt M (2008) Multi objective dynamic aircraft synthesis—MODYAS. Airbus deutschland GmbH 48. Kurzhals PR (1978) Active controls in aircraft design. Executive summary. In: FMP symposium on stability and control, Ottawa 49. Kyprianidis K, Lehmayr B, Alexiou A, Xu L (2010) TERA2020—rationale, objectives and design algorithm.
Modeling and Control for a Blended Wing Body Aircraft: A Case Study by Martin Kozek, Alexander Schirrer