نتایج جستجو برای: fuzzy newton

تعداد نتایج: 109636  

2012

The load flow study in a power system constitutes a study of paramount importance. The study reveals the electrical performance and power flows (real and reactive) for specified condition when the system is operating under steady state. This paper gives an overview of different techniques used for load flow study under different specified conditions. Keywords—Load Flow Studies, Y-matrix and Z-m...

2012

The load flow study in a power system constitutes a study of paramount importance. The study reveals the electrical performance and power flows (real and reactive) for specified condition when the system is operating under steady state. This paper gives an overview of different techniques used for load flow study under different specified conditions. Keywords—Load Flow Studies, Y-matrix and Z-m...

2002

This chapter discusses the foundation of neuro-fuzzy systems. First, we introduce Takagi, Sugeno, and Kang (TSK) fuzzy model [l,2] and its difference from the Mamdani model. Under the idea of TSK fuzzy model, we discuss a neuro-fuzzy system architecture: Adaptive Network-based Fuzzy Inference System (ANFIS) that is developed by Jang [3]. This model allows the fuzzy systems to learn the paramete...

Journal: :Electronics 2021

In this paper, a fuzzy adaptive linear active disturbance rejection control (Fuzzy-LADRC) is proposed for strong coupling and nonlinear quadrotor unmanned aerial vehicle (UAV). At present, UAV conveys new opportunities in the industry, such as power line inspection, petroleum conduit patrolling, defects detection wind turbine, because of its advantages flexibility, high efficiency, economy. Usu...

Journal: :Eng. Appl. of AI 2011
Yongping Pan Meng Joo Er Daoping Huang Qinruo Wang

This paper presents a novel H tracking-based direct adaptive fuzzy controller (HDAFC) for a class of perturbed uncertain affine nonlinear systems involving external disturbances and measurement noise. A practical interval type-2 (IT2) fuzzy logic system (FLS) is introduced to approximate the ideal control law. To eliminate the tradeoff between H tracking performance and high gain at the control...

2013
Maher Abdo Ahmad Reza Vali Ali Reza Toloei

The application of inertial stabilization system is to stabilize the sensor's line of sight toward a target by isolating the sensor from the disturbances induced by the operating environment. The purpose of this paper is to present a model of control servo system for one axis gimbal mechanism using fuzzy PID type controller. The gimbals torque relationships are derived using Newton's ...

2013
E. Abbasi M. J. Mahjoob

The studies in UAV modeling and control have been increased rapidly recently. This paper presents the modeling and control of a four rotor vertical take-off and landing (VTOL) unmanned air vehicle known as quadrotor aircraft. The modeling of the quadrotor will be described by using Euler-Newton equations. In order to stable the quadrotor and control the attitude of that, classical PID controlle...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

حل معادلات غیر خطی خیلی بزرگ در پروژه های دولتی و مسائل فنی مهندسی بسیار مهم است. در این گونه مسائل، تعداد مجهولات و معادلات بسیار زیاد است در این صورت روش های تکراری gmres و گرادیان مزدوج و سایر روش های تکراری مفید نخواهند بود، زیرا در این روش ها اکثراً همگرایی بعد از n تکرار تضمین می شود ( n اندازه ماتریس تکرار است). پس استفاده از این روش ها برای حل چنین مسائل بزرگی به صرفه نیست. در این پایان...

Journal: :International Journal of Power Electronics and Drive Systems 2021

<span>This paper presents the results of a humidity and temperature prediction model in environment for agriculture, using diffuse sets optimizing their parameters by heuristic methods, such as genetic algorithms, exact methods Quasi-Newton. It has been identified that non-specialized users could have difficulties understanding system dynamics behavior variables over time. The aim this re...

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