UH Capstone - Team 10

             Blog 2 The popular motorized wheelchairs from Action Trackchair have a common shortcoming across most of the models except their newest ones; the motors are not waterproof. For this reason, the company recommends its users to not drive the wheelchairs through water that is 8"-10" (inches) deep and not to use the chair in heavy rain. A waterproof casing around the motor would allow these wheelchair users to go out in the rain, go into shallow water, and fully experience nature. The proposed solution to this problem is to design an enclosure that seals the motor while providing adequate cooling to the motor to prevent overheating.  The motor, that powers the wheelchair, is a high-torque motor which means that it produces a lot more heat than a low-torque motor due to an increase in the current needed to drive the motor. Optimally, the internal motor temperature should not be more than 10% of the absolute ambient temperature to ensu...

Blog 1   Over 3 million Americans use an Electric Wheelchair and among them, a popular wheelchair is the Action Trackchair. This special wheelchair is designed for users to be able to move around in all types of terrains.  This allows the user to traverse rugged terrain easily, providing mobility and access to areas that would otherwise be challenging to navigate on a more conventional wheelchair.                           Figure 1: Action Trackchair ST (Front)                                                                                 Figure 2: Action Trackchair ST (Back) Among the users of this wheelchair is one of our Team Member’s brother. He along with ...