The role of feedback control in the solution of aircraft stability and control problems is discussed. It is argued that this role is becoming more and more important and is a key to meeting performance objectives for new aircraft. .4s a consequence, the control engineer must develop control laws for applications with many, sometimes conflicting, control objectives and stringent safety requireme...

Commercial transport aircraft are required to operate under the concept of damage tolerance. Because of the structural redundancy and the crack arrest capability, the current fleet of commercial aircraft was initially designed to have sufficient residual strength to sustain discrete source damage. However, fatigue damage during the life of an aircraft can significantly reduce the residual stren...

Abstract To optimize the expenditure of time and material resources, Method modifications is used. Modular design a family allows combining complexes components to expand transport capabilities aircraft, meet requirements air more accurately, maximize unification, create range aircraft. The modification method makes it possible reduce resources in solving aircraft problems. And principle decomp...

As battery and electric machine technologies improve, the electrification of aircraft propulsion systems may have potential to reduce energy consumption emissions transport aircraft. Incorporating electrical components adds a dimension system design space introduces new tradeoffs between weight efficiency. In this article, we apply numerical optimization conceptual regional category airplanes q...

Aerodynamic drag force breakdown of a typical transport aircraft shows that lift-induced drag can amount to as much as 40% of total drag at cruise conditions and 80-90% of the total drag in take-off configuration. One way of reducing lift-induced drag is by using wing-tip devices. By applying several types of winglets, which are already used on commercial airplanes, we study their influence on ...

This paper considers the control of coupled aeroelastic aircraft model with Variable Camber Continuous Trailing Edge Flap (VCCTEF) system. The relative motion between two adjacent flaps is constrained and this actuation constraint problem is converted into an output covariance constraint problem, and therefore can be formulated using linear matrix inequalities (LMIs). A set of LMI conditions is...

This paper describes the continued development of a dynamic air-traffic model, ATMLG, intended for rapid evaluation of rules and methods to control and optimize transport systems. The underlying data structure is based on the Monotonic Lagrangian Grid (MLG), which is used for sorting and ordering positions and other data needed to describe N moving bodies, and their interactions. In ATMLG, the ...