... scenarios in urban warfare (local, close‐up range, hidden reconnaissance, operation between obstacles and maybe even inside buildings) is depending on a bunch of questions, which are only partly answered so far. Aircraft Programming and algorithm theory Controllers Oscillations Unmanned...

... and algorithm theory Cooperative engagement Optimal control Formation flight control Precise integration Linear quadric optimal Pachter et al. (1994) designed an UAV formation flight controller based on the classical control theory. In the process of designing, they assumed the flight...

... the GRACE, PRISMA and TanDEM‐X missions. Thus, this paper presents the general formation description and collision probability calculation methods, which are based on relative orbital elements. Artificial satellites Control systems Collisions Programming and algorithm theory Relative orbital...

... and algorithm theory Density Optimization Variable density Strength Symbols n=ultimate load factor N=axial force in rod P=reference load for the structure q=dynamic pressure © Emerald Group Publishing Limited 2012 In many design...

... error qˆ_e(k+1) is formed and the propagated quaternion is corrected by using equation (3). Navigation Mathematics Programming and algorithm theory Aerospace technology Sensors Attitude and heading reference system Extended Kalman filter Magnetic...

... of time elapsed since t₀. The four phases are: 1. initialization; 2. consensus polling; 3. mission adjustment; and 4. termination. Programming and algorithm theory Control systems Multiple UAVs cooperative control Simultaneous arrival Consensus seeking...

... the online capabilities for UAVs with high velocity. M. Mortazavi can be contacted at: mortazavi@aut.ac.ir © Emerald Group Publishing Limited 2010 Trajectories Optimal control Programming and algorithm theory Remote control systems A, B, and D=constant...

... Group Publishing Limited 2009 Spacecraft navigation Robotics Programming and algorithm theory In order to correct the bias and long‐term drift of IMU, optical navigation camera is added up as accessorial vision navigation (VisNav) sensor. VAIN provides the relative state variables...

..., but not update the bit information whose reliability is very high. The improved BP decoding algorithm raises the decoding efficiency and reduces decoding time delay. Programming and algorithm theory Codes Arithmetic © Emerald Group Publishing Limited 2009...

... of the gravity‐turn maneuver are chosen properly. © Emerald Group Publishing Limited 2009 Programming and algorithm theory Artificial satellites Trajectories Space sciences This work addresses the topic of launching an artificial satellite to a low‐Earth orbit (LEO). The brief remarks...

... 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...

... rule in the framework of nonlinear parameter identification. © Emerald Group Publishing Limited 2007 Programming and algorithm theory Estimation Adaptive system theory Parameters of a dynamic system are said to be time‐varying if these parameters may change across time instead...

... correlation window. © Emerald Group Publishing Limited 2006 Programming and algorithm theory Visual perception Owing to peculiarity of DP algorithm, one false matching point will affect all of its back points in the same scanline. GCPs are introduced to solve this problem. How to make...

... 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...

...). But in practical application the traditional algorithms, which use the rhombus mark or based on the view angles of feature points, have the following issues: Spacecraft Visual perception Programming and algorithm theory Navigational measurement © Emerald Group Publishing Limited 2005...

... 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...

... will be called “Inertial” pitch and “Inertial” roll. Along with yaw as determined from the MSU, a quaternion with the subscript, I, will be formed according to through . © MCB UP Limited 2003 Programming and algorithm theory Fuzzy logic The quaternion error can then be calculated as: Equation...