1. Modeling and Improvement of Function of Solar Resources using Comparative Multipurpose Algorithm of PSO

Shahin Bazeghi; Shahram Javadi; Arsalan Hekmati

Volume 05, Issue 03 , Summer 2016, , Pages 133-136

  In this article using comparative multi-purpose algorithm of PSO, optimum capacity of new resources and their spinning storage is defined. Spinning reserve requirements and optimized to maximize profit per unit is determined according to uncertainty. In fact by increasing the level of cost reservation, ...  Read More

2. UPFC Siting and Sizing in Power Network Using Two Different Evolutionary Algorithm

Amin Bakhtiari; Shahram Javadi

Volume 05, Issue 03 , Summer 2016, , Pages 161-167

  In emerging electric power systems, increased transactions often lead to the situations where the system no longer remains in secure operating region. The flexible Ac transmission system (FACTS) controllers can play an important role in the power system security enhancement. However, due to high capital ...  Read More

3. Integrated Fuzzy Control of Temperature, Light and Emergency Conditions for Smart Home Application

Armaghan Rahimi; fardad farokhi; Shahram Javadi

Volume 05, Issue 02 , Spring 2016, , Pages 93-99

  Smart home is composed of several controllers with different plants in control. If each controller works independently, without considering the mutual effect of the others in the control process, the whole system could definitely not converge to an optimum desired status and may not ever reach the demanded ...  Read More

4. Dynamic Demand Management in an Airconditioner System by Frequency Control in Smart Grid Environment

Sevda Allahyari; Shahram Javadi

Volume 05, Issue 01 , Winter 2016, , Pages 5-9

  As there is a rapid growth both in the number of power consumers and also the limitations energy resources, it is clearly accepted that the old version of power grid must change into smart grid from head to toe. One of the most important advantages of smart grid which makes it much more exclusive rather ...  Read More

5. Risk Analysis and Economic Load Dispatch Evaluation of Network with High Wind Power Penetration

Mahmood Hosseini Aliabadi; Shahram Javadi; Ehsan Tafehi; Amin Bakhtiari

Volume 03, Issue 02 , Spring 2014, , Pages 79-85

  This study based on investigation for integration wind power into conventional power system with its impact on fossil fuel generators and their generation management. Wind power as environmental friendly energy source can reduce the operational cost of the system due to considering no cost for energizing ...  Read More

6. An Improved MPPT Method of Wind Turbine Based on HCS Method by Using Fuzzy Logic System

Shahram Javadi; Mohammad Hossein Hazin

Volume 03, Issue 01 , Winter 2014, , Pages 29-35

  In this paper presents a Maximum Power Point Tracking (MPPT) technique based on the Hill Climbing Search (HCS) method and fuzzy logic system for Wind Turbines (WTs) including of Permanent Magnet Synchronous Generator (PMSG) as generator. In the conventional HCS method the step size is constant, therefor ...  Read More

7. Comparing AODV and ADV Routing Protocols in Urban Environment

Effat Jazayerifar; Reza Sabbaghi-Nadoshan; Shahram Javadi

Volume 03, Issue 01 , Winter 2014, , Pages 55-59

  In vehicular ad hoc networks there is the ability to communicate between vehicles. This Communication which is wireless should be rapid and reliable. These networks have unique characteristic. This communication among vehicles has many advantages in safety and comfort applications. Since, the roads are ...  Read More

8. Design of Maximum Power Point Tracking in Solar Array Systems Using Fuzzy Controllers

Marjaneh Hashemi; Shahram Javadi

Volume 02, Issue 4 , Autumn 2013, , Pages 237-244

  In recent year's renewable energy sources have become a useful alternative for the power generation. The power of photovoltaic is nonlinear function of its voltage and current. It is necessary to maintain the operation point of photovoltaic in order to get the maximum power point (MPP) in various solar ...  Read More

9. 3D Face Recognition using Patch Geodesic Derivative Pattern

Soheila Gheisari; Shahram Javadi; Alireza Kashaninya

Volume 02, Issue 3 , Summer 2013, , Pages 127-132

  In this paper, a novel Patch Geodesic Derivative Pattern (PGDP) describing the texture map of a face through its shape data is proposed. Geodesic adjusted textures are encoded into derivative patterns for similarity measurement between two 3D images with different pose and expression variations. An extensive ...  Read More

10. The Forecasting of Iran Natural Gas Consumption Based On Neural-Fuzzy System Until 2020

Mahdieh Qanbari; Shahram Javadi; Reza Sabbaghi-Nadooshan

Volume 02, Issue 3 , Summer 2013, , Pages 181-184

  In this paper, an Adaptive-Network-based Fuzzy Inference System (ANFIS) is used for forecasting of natural gas consumption. It is clear that natural gas consumption prediction for future, surly can help Statesmen to decide more certain. There are many variables which effect on gas consumption but two ...  Read More

11. Decreasing Starting Current for Separate Excited DC Motor using ANFIS Controller

Saber Ghadri; Shahram Javadi; Fardad Farokhi

Volume 02, Issue 2 , Spring 2013, , Pages 91-94

  Today, DC motors is still being used globally due to their easy speed controllability. In this article, an Adaptive Neuro-Fuzzy Inference System (ANFIS) controller is designed for DC motors. The main purpose of performing such task is to reduce the DC motor starting current and deleting the ripple current ...  Read More

12. Hybrid Fuzzy-PID Application in Boilers to Obtain Optimum Efficiency

Shahram Javadi; Abdolreza Gohari

Volume 02, Issue 1 , Winter 2013, , Pages 11-16

  Many real time processes have complex, uncertain and nonlinear dynamics. Boilers are nonlinear, time varying, multi-input multi-output (MIMO) systems, whose states generally vary with operating conditions. The major problem in controlling that system is that its drum water pressure and steam flow dynamics ...  Read More

13. Energy-Saving in Wireless Sensor Networks Based on Optimization Sink Movement Control

Mozhgan Toulabi; Shahram Javadi

Volume 01, Issue 03 , Summer 2012, , Pages 195-198

  A sensor network is made up of a large number of sensors with limited energy. Sensors collect environmental data then send them to the sink. Energy efficiency and thereby increasing the lifetime of sensor networks is important. Direct transfer of the data from each node to the central station will increase ...  Read More

14. Evaluation of Optimal Fuzzy Membership Function for Wind Speed Forecasting

Shahram Javadi; Zeinab Hojjatinia

Volume 01, Issue 02 , Spring 2012, , Pages 125-130

  In this paper, a new approach is proposed in order to select an optimal membership function for inputs of wind speed prediction system. Then using a fuzzy method and the stochastic characteristics of wind speed in the previous year, the wind speed modeling is performed and the wind speed for the future ...  Read More