The vital concern of the load frequency control in an interconnected system is to minimize and tie-line scheduled power variations. A robust controller required overcome these concerns a system. This paper presents interval fractional-order proportional integral derivative design technique for has been designed two area using stability boundary locus method. involves perturbation parameters (±50%) Kharitonov theorem rather than fixed values. analysis performed by changing such as governor...

Mean arterial blood pressure (MABP) is one of the most important clinical parameters which required to be controlled very accurately. Therefore, it essential have an efficient and precise control strategy for regulating MABP in various conditions, can work well uncertain operating environment, also show good disturbance rejection. Although fractional-order scheme has evolved as a strong recent times, design techniques available literature are mathematically complex hence limit usage...

This paper proposes a Distance and Levy-flight based Crow Search Algorithm (DLCSA) for optimization of three Fractional-order controllers: Fractional Order Proportional-Integral-Derivative (FOPID), Proportional-Integral (FOPI) Proportional-Derivative (FOPD) controllers. Novelties the proposed method are fourfold; (a) distance-based Flight length (Dfl)to improve convergence rate, (b) evasion to efficiency algorithm, (c)adaptive awareness probability(AP) set tradeoff between local global...

The gas turbine is an extremely important component for the automotive and aviation industry. It works by converting energy obtained fuel combustion into some form of mechanical power. Therefore, controlling input going to aspect system. efficient controller design required which can control rate being fed turbine. observed that Internal Model Control (EVIC) based scheme quite popular due its robust performance mathematical simplicity. This type controllers are very successfully used in...

This paper proposes a new control law for designing an optimal proportional-integral-derivative (PID) controller flexible automatic voltage regulator (AVR) system using modified neural network algorithm (MNNA). First, the exploration capability of (NNA) is enhanced by addition learning factor, α in MNNA. Then, to evaluate performance MNNA terms its and exploitation capabilities, extensive statistical analysis has been carried out on 23 benchmark functions consisting unimodal, multimodal...

Industrial heating furnaces have many special characteristics like huge capacity, long lag, non-linear attribute etc. Due to these properties, it is very essential design an appropriate controller for furnace systems so that proper operation as well safety of the workers around ensured. This implies that, stability analysis and important at same time challenging task. Therefore, in this paper fractional order model system carried out using Matignon theorem. Further, Internal Model Control...

In this paper, a method is proposed for stabilization of servo system using the fractional-order proportional-integral controller. The scheme based on stability boundary locus concept control system. design technique simulated speed problem DC servomotor and implemented hardware set-up precision modular controller gives desired set-point tracking with optimal performance under various load conditions.

Biomechanics is an area of research gaining lot popularity in the recent times. In orthopedic industries, biomechanics are widely used to design implants for various body joints, dental parts, external fixations, exo-skeletons and other medical purposes. Here, a technique designing internal model based fractional order PID controller controlling knee joint motion i.e. movement shank around joint, suggested. Mathematical then simulation done simulink environment. this technique, three out...

Automatic Voltage Regulator (AVR) system is responsible for keeping the terminal voltage of generation unit within safe limits. But response slow and oscillatory. To improve this, a controller used along with AVR system. Fractional-Order-Proportional-Integral-Derivative (FOPID) controllers are popular amongst researchers providing more degrees freedom broad applicability. In this research paper, first, novel tuning method based on Neural Network Algorithm (NNA) has been proposed to optimize...

A pressurized heavy water reactor (PHWR) is a nuclear power reactor,that commonly uses unenriched natural uranium as its fuel and coolant moderator. The PHWR has become an important component of the present day generation industry. Working may often require reduction within small finite time interval in accordance to varying load conditions. This phenomenon referred step back condition. Therefore, for efficient working it very have control algorithm that capability handle condition...

With the expanding utility base of unmanned aerial vehicles (UAVs), there comes a strong need for dedicated research towards effective control strategies these aircraft. This paper presents feedback scheme trajectory tracking and flight problem quadrotor-type UAVs. In particular, robust fractional-order sliding mode (FOSMC) based on state observer approach, consisting position an attitude strategy, is proposed. The basic idea behind choosing technique to prevent chattering phenomenon in this...

Control design plays a significant role in almost all types of industries. Proportional-integral-derivative (PID) controllers are an integral part process control loops. PID popular for their simplicity implementation and broad applicability. In recent years, various metaheuristic algorithms modified hybrid have been applied to the controllers. The aim this paper is controller with high versatility, accuracy good quality. research paper, first, novel tuning method based on Crow Search...

A low budget device is designed that capable of harnessing energy from an object falling under gravity. Object suspended the device, through a high strength nylon thread, placed at certain height. Gravitational potential height converted in to kinetic energy. As descends it rotates wheel which coupled with gear train. This train further pinion mounted on generator shaft. An electrical output produced armature terminals sufficient for various applications. uses mechanical by human and...