List of Articles Open Access Article Abstract Page Full-Text 1 - Optimal Controller for Single Phase Island Photovoltaic Systems Mohammad Esmaeil akbar Noradin Ghadimi Open Access Article Abstract Page Full-Text 2 - Digital Watermarking Technology in Different Domains Maryam Hamrahi Open Access Article Abstract Page Full-Text 3 - Load Frequency Control in Power Systems Using Improved Particle Swarm Optimization Algorithm Milad Babakhani Qazijahan Open Access Article Abstract Page Full-Text 4 - FPGA Can be Implemented Using Advanced Encryption Standard Algorithm Shahin Shafei Open Access Article Abstract Page Full-Text 5 - Sliding-Mode Control of the DC-DC Ćuk Converter in Discontinuous Conduction Mode Open Access Article Abstract Page Full-Text 6 - Efficient Short-Term Electricity Load Forecasting Using Recurrent Neural Networks