List of Articles Open Access Article Abstract Page Full-Text 1 - Robust Control of a Quadrotor Kamal Torabi Alireza Ghafari Kashani Open Access Article Abstract Page Full-Text 2 - Monitoring Pipe-Wall Corrosion Rate by Ultrasonic Technique Behzad Esmaeili Aghdam Hossein Nasir Aghdam Open Access Article Abstract Page Full-Text 3 - The Design of a New Double Loop Controller For Simultaneous Adjustment of Input and Output Voltages of Single-Phase Grid-Connected Inverter Parisa Alipour Mehdi Salimi Open Access Article Abstract Page Full-Text 4 - Using an Appropriate Controller for Independent Current Control for Motoring of Force Windings of Bearing less Induction Motor Naser Olad Abdollahi Aghdam Open Access Article Abstract Page Full-Text 5 - Automatic Face Recognition via Local Directional Patterns Maryam Moghaddam Saeed Meshgini Open Access Article Abstract Page Full-Text 6 - Facial expression recognition based on Local Binary Patterns Saeede Jabbarzadeh Reyhani Saeed Meshgini