Automated Robotic Vehicle Steering System
Security Chair Summary
-Support the motor and controller enclosure
-Allow adjustable for different vehicles
-Does not interfere with actuators and integration housing container
-Durable
The Security Chair

Security Chair Specifications
Dimensions of Chair
Seat Dimensions: 18x22
Back Dimensions: 18x22
Weight: 11.2 lbs
Base
The base of The Security Chair is made of 2 pieces of ½ plywood with each piece being 18 inches wide and 22 inches long. These two pieces are bolted together to create the actual chair section of The Security Chair.
80/20
Placed on the sides and the top of the base of the chair are 1 inch 80/20. The 80/20 gives the chair adjustability such that one is able to place many different tools in different positions into the 80/20. In the picture shown above there are 2 handles and a flange placed in both sides.
Flange and Handles
Placed on each side in the 80/20 are 2 handles and a flange. These handles and flanges can be placed anywhere in the 80/20 so it provides adjustability of the chair. One pair of the handles are also used to securely strap down the chair into the utility vehicle while the other pair is usually used to make the chair easily mobile.
Supporting Arms
Pipe Material: PVC
(Top) 0.75” Schedule 40; 1.050 OD
(Bottom) 1” Schedule 20;
Shortest Length: 12 inches
Longest Length: 24 inches
Securely attached to each of the flanges is a supporting arm. Each support arm is made up of 2 12 inch PVC pipes. The telescoping support arms can vary from lengths between 12 inches up to 24 inches using a 3/8 inch pin to lock the desired length intp place. Attached to the end of each support arm is a female socket joint that attaches to a ball joint that connects to the motor housing.
Testing
As shown in the pictures below The Security Chair was tested in two different utility vehicles showing that it is in fact have the ability to adjust to different vehicles. The chair was tested in both vehicles while the chair securely held the motor. It was observed that the chair was able to withstand the conditions of driving both vehicles up to 20 mph and still maintain the security of the motor housing and any other items placed in the chair.
Appendix A
Our engineering affects the world. I think that this completed project affects the world a number of different ways, but one specifically stands out to me. While presenting the project at the Senior Design fair a lot of questions were asked about our device. After attempting to thoroughly explain the project and what it does to the questioners, it was then brought to my attention how greatly this could change the world. She described to me that she has a handicapped friend who has trouble driving a car. After hearing her story about her friend I then noticed how much of a change this device could make. With the simple task of being able to drive a car without actually getting behind the wheel of a car could make it easier for people who are handicapped to get from place to place without physically having to drive the car.
The biggest concept that I had to learn and apply was the Engineering design process. While I have heard and read about bits and pieces of this process I have never had to go through the whole process and apply the whole process to a project of my own. Starting with the given problem of being able to steer a car, for the device to fit into different vehicles, but also to be able to be compatible with the integration team. From there we had to use many research tools to determine what pieces that we thought we needed in order to solve the problems. This step in the design process had to be revisited over and over due to multiple design failures. After finding a design that would work, we had to work with the ECE shop to again revise our design and complete the project. From this design process and working with a number of different groups I learned that communication is a major key in order to successfully get the project done.
-Aaron Valentine






Figure 1. The 80/20 placed along the sides and the top of the Security Chair.
Figure 2. The flange and the handles positioned inside of the 80/20.
Figure 3. The telescoping supporting arms attached to the flange.
Figure 4. The female socket attached to the end of each supporting arm.
Figure 5. Testing in the Polaris.
Figure 6. Testing in the Kubota.