Problem statement: Conventional Proportional-Integral-Derivative (PID) controllers exhibit moderately good performance once the PID gains are properly tuned. However, when the dynamic characteristics of the system are time dependent or the operating conditions of the system vary, it is necessary to retune the gains to obtain desired performance. This situation has renewed the interest of resear...

Abstract A method is advanced allowing for fast regulation of magnetization direction in magnetic nanosystems. The examples such systems are polarized nanostructures, nanomolecules, nanoclusters, graphene, dipolar and spinor trapped atoms, quantum dots. emphasis the paper on nanomolecules nanoclusters. based two principal contrivances: First, sample placed inside a coil resonant electric circui...