List of Articles Open Access Article Abstract Page Full-Text 1 - Design of industrial automation system based on PLC with FACTORY I/O Babak Farzalizade Ravasjan Abdolreza Sadighmanesh Open Access Article Abstract Page Full-Text 2 - Optical Excitation of Surface Plasmon Polariton in Thin Gold, silver and Copper Metal Layers and Measuring the Metal Layer Behnam Kazempour Open Access Article Abstract Page Full-Text 3 - A review study on digital image watermarking techniques Razieh Keshavarzian Open Access Article Abstract Page Full-Text 4 - A learning automaton-based approach for power loss minimization and voltage profile enhancement in large-scale distribution systems Mohammad Bagher Moradi Siamak Najjar Karimi amir hossin jalali Open Access Article Abstract Page Full-Text 5 - Reduction of Components in Cascaded Multilevel Inverters by Using a New Basic Unit roya naderi Open Access Article Abstract Page Full-Text 6 - A review study of some optical characteristics of superluminescent light emitting diode Hassan Absalan