- Preliminary Examination – Bandar Aloyaydi has successfully completed his Ph.D. Preliminary Examination presentation Feb 24, 2017: Bandar Aloyaydi, a Ph.D. student in the UW Robotics Engineering, Applied Controls, and Haptics Lab (REACH Lab) has successfully completed his Ph.D. Preliminary exam. Bandar’s research has focused on the investigation of force and power transients during Friction Stir Welding. Please join us in congratulating Bandar on his achievement.