TY - JOUR AU - Zahiripour, S. A. AU - Jalali, A. A. TI - Designing an Optimal Proportional-Integral Sliding Surface for a Quarter Car Active Suspension System with Suspension Components Possessing Uncertain Constants and Nonlinear Characteristics JO - Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran VL - 10 IS - 3 SP - 113 EP - 118 PY - 2012 DO - ER -