This paper focuses on designing and implementation of fractional order proportional integral (PIα) flight controller on a small fixed-wing unmanned aerial vehicle (UAV). It describes mainly the controller design and simulation studies. The basics of UAV flight control are introduced first with a special emphasis on small UAV platforms. Time domain system identification methods are tried on the ...

Recent advancements in renewable generation resources and their vast implementation power sectors have posed serious challenges regarding operation, protection, control. Maintaining operating frequency at its nominal value reducing tie-line deviations represent crucial factors for these due to continuous reduction of system inertia. In this paper, a new modified load controller (LFC) method is ...

in this paper, we apply the local fractional laplace transform method (or yang-laplace transform) on volterra integro-differential equations of the second kind within the local fractional integral operators to obtain the analytical approximate solutions. the iteration procedure is based on local fractional derivative operators. this approach provides us with a convenient way to find a solution ...

A weighted summation of Integral of Time Multiplied Absolute Error (ITAE) and Integral of Squared Controller Output (ISCO) minimization based time domain optimal tuning of fractional-order (FO) PID or PIλDμ controller is proposed in this paper with a Linear Quadratic Regulator (LQR) based technique that minimizes the change in trajectories of the state variables and the control signal. A class ...

Due to global warming problems and increasing environmental pollution, there is a strong tendency install apply renewable energy power plants (REPPs) around the world. On other hand, with development of information communication technology (ICT) infrastructures, systems are using these infrastructures act as smart grids. In fact, future modern should be considered grids many small large scale R...

This paper proposes a novel adaptive genetic algorithm (AGA) for the multi-objective optimization design of a fractional PID controller and applies it to the control of an active magnetic bearing (AMB) system. Different from PID controllers with three constants, the fractional PID controller’s parameters are composed of proportional constant, integral constant, derivative constant, derivative o...

Hard-disk drives (HDD‘s) are widely used data storage medium for computers and many other data processing devices. The servo mechanism in HDD plays an important role in high performance requirements of HDD‘s. Gain variations present in hard ware components of HDD‘s affects the consistent track following performances. So the servo system needs to improve in track following and robustness perform...

This paper focuses on the application of a robust Fractional Order PID (FOPID) stabilizer tuned by Genetic Algorithm (GA). The system’s robustness is assured through the application of Kharitonov’s theorem to overcome the effect of system parameter’s changes within upper and lower limits. The FOPID stabilizer has been approximatedduring the optimization using the Oustaloup’s approximation for f...

Unpredictable high renewable shares in standalone microgrid (MG) system with stochastic load demands introduces an unavoidable mismatch among loads and sources. This directly impacts the frequency that can be mitigated via applying a suitable control (LFC) scheme. brief proposes maiden attempt of marine predator algorithm (MPA) assisted one plus proportional derivative filter-fractional order p...

Nonlinear state space modeling of a nuclear reactor has been done for the purpose of controlling its global power in load following mode. The nonlinear state space model has been linearized at different percentage of reactor powers and a novel fractional order (FO) fuzzy proportional integral derivative (PID) controller is designed using real coded Genetic Algorithm (GA) to control the reactor ...