HAPTIC SUPPORT FOR IMPROVED TASK GUIDANCE IN A 3D VIRTUAL AIRCRAFT MAINTENANCE ENVIRONMENT BASED ON AN INTELLIGENT ASSEMBLY PLANNING ALGORITHM

摘要

In this paper we present the use of improved hapticrnguidance information for 3D aircraft assembly simulationrnsystem. In simulation system an optimal assemblyrnalgorithm which is designed to assist the virtual systemrnproviding optimal path for haptic guidance system.rnSeveral methods for improved haptic guidance arernanalyzed in virtual environment along with theirrnlimitations and challenges. In active haptic guidance mode,rnthe user is guided by the attractive forces from initial tornfinal assembly position, whereas, in passive hapticrnguidance the optimal assembly algorithm provides optimalrnpath guide on which movement of the user is allowed inrnthe preferred direction and constrained in other directions.rnUser studies were performed as part of experiment and thernresults demonstrate that haptic passive guidance (HPG)rnfeature has better performance in terms of overallrnassembly time compared to the haptic active guidancern(HAG) and haptic free mode (HF). It was observed thatrnHPG mode not only guides user to his target but also therndeviation from desired target path is reduced. Thernproposed guidance modes were tested with a hapticrninterface designed for virtual 3D aircraft assemblyrnenvironment.