List of Articles Open Access Article Abstract Page Full-Text 1 - Optimizing the Torque of Knee Movements of a Rehabilitation Robot محمدحسین زین الدینی مصطفی پیرمرادیان Farhad Azimifar Open Access Article Abstract Page Full-Text 2 - Dynamic Modeling, Assembly and implementing Quadrotor UAV Using PID Controller Mahyar Geibollahi Ata Jahangir Moshayedi Open Access Article Abstract Page Full-Text 3 - Conceptual Design of Single-Acting Oleo-Pneumatic Shock Absorber in Landing Gear with Combined Method Nima Ghiasi Tabari Saeed Mahdiyeh Borojeni Open Access Article Abstract Page Full-Text 4 - Experimental Study of the Effect of Laser-Cutting Process Parameters on Heat Distribution and Cutting Edge Quality of Steel Sheets Mahsa Mokhtarian Azam Gasemi Open Access Article Abstract Page Full-Text 5 - Thermo-mechanical fatigue simulation of exhaust manifolds Hojat Ashori Open Access Article Abstract Page Full-Text 6 - WiFi Based Massager Device with NodeMCU Through Arduino Interpreter Ata Jahangir Moshayedi Mohadeseا Sadat Hosseini Farzaneh Rezaee