Design Concept

System Vehicle: The Scooter Swipe System would include an Ohio State themed motorized scooter equipped with a slot to directly swipe your BuckID. A system would be implemented that allows students to sign up for a ‘scooter swipe’ plan that gives them a certain number of swipes per week that would allow them to ride the scooters. See Figure 1 below. 

Figure 1. Scooter Swipe System


Design Requirements: A draft design requirements table displays a list of design requirements alongside the an acceptable range of values for that requirement and the “preferred” value for the requirement. This table provides flexibility for the designer when creating a product due to the range of values. These requirements will be used in the design process when determining everything that is being put into the product, such as the battery, material, motor, etc. See Table 1 below.

Table 1. System Design Requirements


System Model: The system vehicle was transitioned into a system model my scaling down the vehicle requirements to match the PV system. See Table 1, Figure 2 and Figure 3 below.

Vehicle Requirements Table: The vehicle requirements table, see Table 2, displays the vehicle range for specific requirements along with the vehicle ideal value for that requirement. These value are then transferred over to PV range and PV ideal values for the specific Prototype Vehicle. 

Table 2. Prototype Vehicle Requirements

Scaling of Values: The scaling of our values are appropriate because it accurately applies real life vehicle requirements to the PV. The max load requirement is accurate because the PV should be able to hold at least twice its weight, considering that the PV ideal mass is about 250 g this would be twice that amount. The maximum speed is an appropriate scale because given the size of the tracks, this is an optimal speed for getting across the tracks in a timely manner. The mass of the vehicle is appropriate because the PV ideal mass is about 250g, therefore anything over 400g would be considered a rather heavy vehicle. It is ideal that the vehicle not be too heavy so that it is comfortable and easy to use for all riders. Thus making the requirement for the PV <400g. Lastly, the scaling of the time to accelerate from real-world to PV is unchanged because it is reasonable to say that the PV is able to accelerate within the same amount of time as the real-world vehicle.

Prototype Vehicle Detail Design: In order to test the vehicle requirements for the selected system, the final design for the PV was created. The Solidworks drawing of the PV design can be seen in Figure 2 below. An exploded assembly drawing of the PV was also made as seen in Figure 3 below. The Adruino code that was used to test the final PV Design can been seen in Figure 4 below. 

Figure 2. Final PV Assembly Drawing

Figure 3. Final PV Exploded Assembly Drawing

Figure 4. Final PV Arduino Code