1. The project deliverable is a 3D file of a modified electric trike (3 wheel bike).
2. You may work from an existing design Ex. https://grabcad.com/library/recumbent-trike-2
3. The trike will only need to carry cargo. No human on board. Meaning there is no need for pedals or a seat etc - because there is no human on board.
4. The frame modifications will include placements / mounts for several sensors (3D files / detailed dimensions will be provided for the sensors).
Note: Steering and braking will be controlled by servo motors and a laptop. However this job does not require you to deal with the servos. It is absolutely a plus if you can (please let me know). However this posting is for step 1 - to get a modified 3D trike frame. Step 2 will be adding the servo motors to control steering and braking. Step 2 of the design will include a rear-wheel hub motor and a battery / BMS (battery management system).
Please see the link below for project details. If the project is something that works for you lets chat.
Update1: adding some useful notes below...
Modifications to an existing trike design would include...
1. Place for cargo
2. Confirming turning radius meets the requirement (2 meters - better is a plus)
3. Ground clearance - 12.5 - 20 centimeters (from ground level to frame - higher end of the range is a plus)
4. Frame mounts: lidar (Ex. pole), battery (Ex. flat plate), front and back GPS antennas and small box (Ex. plate), motor controller (Ex. plate), power converters (Ex. plate), laptop (Ex. plate), Arduino (Ex. plate)
5. Frame length (~120 cm)
*6. Nice to have, but if complex skip it: Sonic sensors mount (there are 3 sensors in front and 3 in rear)
Overview: removing human components (pedal, seat, steering arms, etc), the lidar can be mounted on a pole or other design), one large / several small plates depending on what works best, I think we only need a light rear suspension (so removing front suspension if the starting model had it), making sure the overall frame length and width were provided a stable design, making sure the turning radius is acceptable.