Over the weekend, electrical team has begun researching the motor and motor controller left by the last year's team. The motor is a SOFN model from a company called XOFO. We will learn its mechanisms by reading any information from the manufacturer or the reports of last year. The motor controller is a Kelly Controls that can handle up to 48V motors. There are datasheets online for this controller and its interface. The problem will be in distinguishing the wires of the controllers interface and assembling a suitable housing for them. The mechanical team continued 3D printing shoe containers to perfect the CAD. We are planning to use a type of acrylic for the final containers, so the CAD must conform to those properties. The third rails will be almost fully assembled by next week, so the pictures below are only an update on what they look like this week.
During the weekdays of this blog, SJSU announced that the risk of contracting and spreading Covid-19 at school was too high, so they cancelled all classes for the week to prepare for the transition to fully online classes beginning next week. As a result, we did not meet in-person on Wednesday, but continued to work remotely. The 4 in. linear actuators that we ordered arrived, but they may be too large so we are debating on whether to go down to 2 in. The third rail is almost complete; they just need some more screws. The T-slot idea is still in the works. We need to find the materials that would make it possible.
Current state of third rails
XOFO's SOFN Drawings
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