List of Articles State-Dependent Riccati Equation Open Access Article Abstract Page Full-Text 1 - Optimization of Energy for Tracking of the Magnetic Levitation Ball Using the SDRE Technique Seyyed Mostafa Ghadami Open Access Article Abstract Page Full-Text 2 - Design of a Nonlinear Optimal Controller for an Air Handling Unit in the HVAC System Fariba Bouzari Liavoli Hasan Karimi