Skip to main content

Team Blog #5

Team Blog #3
What we have completed:
This week the Progress was made on the guideway and with controls. The controls team focused on writing some preliminary Arduino scripts and developing the interface of the app that will be used. Using some of the sensors and motors that we already have. The controls team was able to roughly simulate what the the motors on the pods will be doing. Using the apple programming language swift, the team was able to begin developing a basic layout of what the interface will look like. The only issue that the controls team is currently facing is how to use swift on non mac laptops.

The Guideway Team focused on determining the best design for supporting the guideway rails with the base piece. There are two options that have been considered so far. The first option consists of a rectangular stand (2X4 wood) with a slot as seen in Figure 1 part 2. There will be an aligner tool as shown in Figure 2 that is used to clamp down the track to the rectangular stand. Option 2 would consist of using a PVC pipe with a threaded stud inside to screw down into the base board as shown in Figure 1 part 4. 

There are some issues with each option considered. The first issue is how to eliminate any drastic wobbling that can take place in either design. By having good connections between the base and stand as well as the stand and rails, we reduced the amount of shaking while the bogie traverses the track. The second issue would be how to deal with fractures and cracks close to critical connection points. 

Next Steps:
For the Controls Team, the next steps will be to buy the research different bluetooth modules, and buy the one that best suits our needs. Another that must be done next week, is the purchase of all the other sensors that the team will need. This will allow for further development of both the final arduino script and the app.

The next goal for the Guideway Team would be to prototype a few components from both designs and see which performs better.
Figure 1. Parts 1 and 2 show the 2x4 wood support. Parts 3 and 4 show the PVC support.
Figure 2. The aligner tool will slide into the slot on the track and wood support.

Comments

Popular posts from this blog

Team Blog #11

SSST Blog 10/17/19 Progress for the week: Controls Team  This week for the controls team, Asmaa continued working on combining the two main Arduino codes which we have so far. One of the codes was the one which implemented the ultrasonic sensor to get the motor to slow down if the ultrasonic sensor detected an object too close to it. This mimics what we want the bogies and pods to do once they are fully operational, it is essentially collision prevention system to where if a pod gets too close to another pod, the ultrasonic sensors will detect the proximity, and get the motor to slow down. The other Arduino code which we have is for the BLE. Using a pre mad app to test if the BLE works, Asmaa wrote a code to enable the Arduino to turn an LED on and off depending on the input of the user on the app. If we typed 1, the LED would turn on and if we typed 0, the LED would turn off. Asmaa combined both of these codes into one, with the slight difference that once we have our own iOS ap

Team Blog #25

SSST Blog 5/13/20 Progress for the week: Since this is essentially the last blog for the 2019/2020 academic year, and the last major thing that was accomplished this week was submitting the report, there is not that much individual subteam work that was completed. Rather, everyone came together to work on the final report throughout the entirety of the last week. The remainder of this blog will be dedicated to showcasing the final results through images of each of the subteams and also of the Small-Scale as a whole. Controls Team  The final design of the controls team was two separate iOS apps, one allowing to connect and to send data to BLEs to activate the master Arduino code and another solely for a pleasant and informative UI experience. Although ultimately a keyboard was not able to be implemented successfully into the BLE testing app, a slider was added so that depending on its position, different 8-bit unsigned integer values (within a range specified in Xcode) can be sent

Team Blog #17

SSST Blog 3/4/20 Progress for the week: Controls Team: The controls team this week made significant progress with the pixy cam. The cam is now integrated into the main arduino code with the BLE, ultrasonic, and motor. The program waits for an input from the BLE then looks for the corresponding bar code, as shown in Figure 1., using the pixy while running the motor. It stops when the bar code is found.  Figure 1:  Bar codes that the Pixy cam will recognize as different stations.  The blog man who wrote the guide to connect the iOS app to the BLE also responded back to Julio, giving useful tips to try to fix the connection issues. These tips will be used in the upcoming week to help run the app smoothly.  Guideway Team: The outer loop of the track was assembled onto the base. Most if not all of the nuts, washers and rods were used, as well as the straight and curved pieces. More of these pieces and parts will need to be bought or manufactured in the Makerspace. The same