نتایج جستجو برای: keywords fuzzy logic

تعداد نتایج: 2175807  

2016
Shakeel Ahmad Waqas Imran Touqir Nasir Khan Imran Rashid

The performance of cooperative network can be increased by using relay selection technique. Therefore, interest in relay selection is sloping upward. We proposed two new relay selection schemes based on fuzzy logic for dual hop cooperative communication. These relay selection schemes require SNR (signal to noise ratio), cooperative gain and channel gain as input fuzzy parameters for selection o...

2013
B. Narasimhan R. S. Padmapriya

This paper aims to design and develop energy conscious reliable routing protocol based on fuzzy logic towards clustering in wireless ad hoc networks. For the past several decades the clustering problem for wireless ad hoc networks is proposed by several researchers. This research work takes the objective of energy conscious routing since nodes present in the wireless ad hoc networks are battery...

2014
Priya C. Patel Virali P. Shah

this paper presents an intelligent speed control system based on fuzzy logic for a voltage source PWM inverterfed indirect vector controlled induction motor drive. Traditional indirect vector control system of induction motor introduces conventional PI regulator in outer speed loop; it is proved that the low precision of the speed regulator debases the performance of the whole system. To overco...

2015
Rekha Chakravarthi

In a Wireless Sensor Network when an event is detected, the network traffic increases. It in turn increases the flow of data packets and congestion. Congestion in Wireless Sensor Network plays a vital role in degrading the performance of the network. Hence it necessitates, developing a novel technique to control congestion. In this paper, soft computing based congestion control technique is pro...

2010
Phongsak Phakamach

A DC servomotor position control system using a Fuzzy Logic Sliding mode Model Following Control or FLSMFC approach is presented. The FLSMFC structure consists of an integrator and variable structure system. The integral control is introduced into it in order to eliminated steady state error due to step and ramp command inputs and improve control precision, while the fuzzy control would maintai...

2014
Khushboo Arora Vivek Verma M. M. Anwar

Induction generator is the most common generator in wind energy systems because of its simplicity, ruggedness, little maintenance, price, etc. Thus, a novel design of an Adaptive Neuro-fuzzy Inference strategy(ANFIS) for analyzing some of the parameters such as frequency, voltage, current, etc. of the induction motor is presented in this paper. Induction motors are characterized by highly non-l...

2013
Hang - cheong Wong Pak - kin Wong Chi - man Vong Zhengchao Xie Shaojia Huang

Automotive engine air-ratio plays an important role of emissions and fuel consumption reduction while maintains satisfactory engine power among all of the engine control variables. In order to effectively control the air-ratio, this paper presents a model predictive fuzzy control algorithm based on online least-squares support vector machines prediction model and fuzzy logic optimizer. The prop...

2011
P. Tripura

This paper presents an intelligent speed control system based on fuzzy logic for a voltage source PWM inverter-fed indirect vector controlled induction motor drive. Traditional indirect vector control system of induction motor introduces conventional PI regulator in outer speed loop; it is proved that the low precision of the speed regulator debases the performance of the whole system. To overc...

2009
Javier Albusac Jose Jesus Castro-Schez Lorenzo Manuel López-López David Vallejo-Fernandez Luis Jiménez

This paper presents a prototype system to automatically carry out surveillance tasks in monitored environments. This system consists in a supervised machine learning algorithm that generates a set of highly interpretable rules in order to classify events as normal or anomalous from 2D images without needing to build a 3D model of the environment. Each security camera has an associated knowledge...

2015
D. Kairous

This paper focuses on a second order sliding mode based direct power controller (SOSM-DPC) of a three-phase grid-connected voltage source converter (VSC). The proposed control scheme combined with fuzzy logic aims at regulating the DC-link voltage of the converter and precisely tracking arbitrary power references, in order to easily control the system’s power factor. Therefore measures are prop...

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