WELCOME PAGE


Welcome to the Drexel ENGR-113 Section 66, Group 1 page! This website contains detailed information about our team members, design processes and progress, and many resources to design our robotic device with the capability to perform minimally invasive surgeries.

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Week 4 Progress

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During week 4 of our Freshman Design Project, we finalized the design of the 3D print parts and printed a sample for the part that will hold the dish. The sample, however, had a few errors in the dimensions. The hole in which the motor is supposed to go in was a little bit too small and the part that is supposed to hold the dish had slightly larger dimensions so the dish could move freely. With that in mind, we are planning to alter the dimensions so that they fit perfectly. Moreover, we are planning to make a second dish holder part for the second dish with smaller dimensions. A dish with smaller diameter means that the circle which we will have to make will be smaller and thus there will be less space for errors. When it comes to the code, we managed to get live feed in Matlab from the webcam which we purchased. In addition, we added code that can recognize circles and mark them with a red circle, however, we haven't tested the code on a perfect circle within the dish. This w...
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Week 2 Progress

Week 2 Progress... Throughout week 2 of our Freshman-Design Project, we finalized the design with which we would like to approach the problem. We will 3D print a base in which the motor will clip in and rotate a 3D-printed part which will hold the dish with the gel. On the other side of the base, we will have another 3D printed piece which will hold the big magnet. We will try to make our setup adjustable so that if we make mistakes with the calculations of the magnetic fields we will be able to make adjustments without having to 3D print new parts. For now, we have decided to use an iPhone as a webcam to observe the location of the small spherical magnet within the dish and we will most likely program the image processing with MATLAB. When it comes to progress on the physical development of our setup, we ordered and received the magnets that we think will work the best. We ordered two different big magnets, with different field-strengths in order to test out which one will work...
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Week 9 Progress

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This week was used mainly for testing our set up. We obtained all our 3D printed parts from innovation studio and we were able to test our set up during the lab session at the innovation studio. We run the image processing and motor control code when every component was set up and the small magnetic sphere made a slightly smooth orbit in the first quadrant. We were not able to complete the full orbit due to time constraints at the lab. We had some challenges with lighting. This was because of the light intensity in the innovation studio varied at different parts of the lab. Therefore, we had to move our set up around to get a good spot for the code to detect the small magnetic sphere under good lighting conditions. Also, We started preparing our final presentation slides and finalizing our final report. Figure 1: final set up Figure 2: Code detection Figure 3: small sphere in the first quadrant
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