Olivia, an electric urban mobility scooter

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Olivia

An electric mobility concept project

Rules of the game:

1. Design and develop an electric urban mobility product.

2. User: students from the Tecnológico de Costa Rica college.

3. Use context: inside the campus, streets intended for vehicular traffic.

4. Use a litium battery and a 20 inches motor hub with 1000 W of capacity.

The campus

Campus map just with main streets and parkings:

Environmental Study

Things were defined such as the center of gravity of the system and of the system with the user, the location of the motor and the battery, minumun height of the system, type of materials to be used in chasis, base, seat, tires, etc.

User Study

- The user defines the shape and size of the system.
- A two-axis system like the electric scooter was chosen.
- The user has two positions: posture 1: standing and posture 2: with the body supported at the level of glutes or lower back.
- Measures between 5 percentile and 95 percentile: from 1,50m to 1,90m
- Ergonomics such as the space between movements of posture 1 and 2; this to make a comfort driving position, the height of the crank and space for movements from left to right, minimum balance of the system, etc.

Conceptualization and prototyping

The concept tries to show simplicity and comfort. A simple shape and structure let the user feel comfortable, among other things. Comfort is also achieved according to size of the base and height of the crank and sopport. A series of protoypes were made to measure this aspects and then, the final one, was to test the system funcionality.