In this research, an automatic control system is designed for landing of a small helicopter on a 4 DOF moving platform. The platform has three translational and one directional degree of freedom. The controller design approach is based on development of helicopter nonlinear dynamic model into the SDC (State Dependent Coefficient) form and real time solving of state dependent Riccati equation (S...

In 1983, the videogame market in the USA collapsed, leading to bankruptcy for more than 90 percent of game developers, as well as Atari, manufacturer of the dominant game console at the time. The main reason was a ‘lemons’ market failure: because it had not developed a technology for locking out unauthorized games, Atari was unable to prevent the entry of opportunistic developers, who flooded t...

Apps are the new model of application software that originally developed for the software distribution to mobile devices, is emerging also in the other categories of devices. User finds the apps in a custom website called the store, whereas apps in the form of an auto-installing software package can be downloaded freely or after paying a fee, and easily installed and configured. The mobile plat...