... 2003 [2] D. Hrovat, “Survey of advanced suspension developments and related optimal control applications,” Automatica (Journal of IFAC), concept of observe- by- wire, which is a haptic-based ... a novel Development of an Observe- By- Wire System for Forklifts Using Haptic Interfaces Ba Hai Nguyen1 and Jee-Hwan Ryu2 1School of Mechanical Engineering, Korea University of Technology ... regardless to the height of masts, vehicle’s roof as well as intensity of illumination. Therefore, the drive could also reduced risk of damaging the load and the warehouse by activating the OBW...