... Pehlivanoglu can be contacted at: v.pehlivan@hho.edu.tr © Emerald Group Publishing Limited 2011 Optimization techniques Genetic algorithms Neural nets Radar The forming of modern aircraft relies heavily on computational studies to enable the rapid evaluation of many different designs...

... introduces two optimization techniques based on mission information. The first technique, a partial‐information technique, uses gain scheduling that applies different controllers for different mission tracks. The second technique, a full‐information technique uses a single robust controller by considering...

... Ma_e=Mach number at local boundary layer edge N=heating relation exponent q=dynamic pressure, kPa q˙=heating rate, W/cm² R₀=earth radius, km © Emerald Group Publishing Limited 2009 Weapons Trajectories Optimization...

... Optimization techniques Power transmission systems The planetary AGA, whose mechanism differs from the pure planetary gravity assist, can provide more excellent performance on interplanetary missions. In this section, some properties of AGA maneuver are analyzed. And the matching conditions associated...

... Programming and algorithm theory Design Optimization techniques Aircraft Meshes Optimization is the process of achieving the best outcome of a given operation while satisfying a set of given constraints. The cost (or objective) function is the term applied to this outcome that needs to be improved...

... Limited 2007 Optimization techniques Design Variance Aerospace engineering Computational fluid dynamics (CFD) and numerical optimization techniques are being used widely in aerodynamic shape optimization. This growing interest is owing to the fact that CFD is making fast progress using...

... (Lange et al., 1999, 2001) © Emerald Group Publishing Limited 2007 Helicopters Flight dynamics Optimization techniques Centre of gravity The helicopter is a useful and versatile aircraft used in many important civilian and military operations (Newman, 2006). In recent...

... with these new values of free parameters. Trajectories Optimization techniques Algorithmic languages In recent decades, low‐thrust propulsion, typically represented by electrical propulsion, has been widely used in multifarious space missions, especially, deep space exploration missions. Because...

... Optimization techniques Fuel consumption A area, m² A_s specific area (area/unit mass flow rate), m² s/kg alt. altitude, m B bypass ratio C velocity magnitude, m/s τ_t turbine temperature ratio...

... design a new method is proposed to design the attitude determination system by adopting genetic algorithm. The method is different from traditional satellite design methods. Optimization techniques Artificial satellites Space technology Because of characteristics of low‐cost, high...

... that the dynamic mesh technique is used for regenerating the mesh structures of the new population members in the GA. Programming and algorithm theory Meshes Optimization techniques Flight dynamics In the most general sense, optimization is the process of achieving the best outcome of a given...

..., respectively. Originality/value It is the first time that the neural network is used for the candidate solution in the GA. © Emerald Group Publishing Limited 2005 Optimization techniques Neural nets Flow δ_j¹ error at the hidden layer...

... to the genetic processes, flow solver is highly weighted. Programming and algorithm theory Flight dynamics Meshes Optimization techniques Recent advances in computational techniques and computer technology let the researchers further develop aerodynamic design and optimization for 3D geometries...

... Group Publishing Limited 2004 Optimization techniques Aircraft Trajectories Warfare a=sound speed a₁, b₁, a₂, b₂=coefficients of an exponential atmosphere C_L=lift...

... Computational fluid dynamics Modelling Optimization techniques The weight of an electronic assembly was reduced by 60 per cent and its power draw was decreased by 75 per cent by using computational fluid dynamics (CFD) to optimize radiative and natural convective cooling. The particular component...