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Stirling Engine https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/827389d3-9e3f-4509-9e60-315bf4aa9916/3971640920791_.pic.jpg Portfolio - Stirling Engine https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/28ad56b6-65ca-4747-9d8d-52cbde9b8062/MEAM201_21C_Lightbox+%2822%29.jpg Portfolio - Stirling Engine https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1b1524eb-ed35-4d66-841a-ecac5f016305/3391640920356_.pic.jpg Portfolio - Stirling Engine https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/5bed8b9c-32d3-4581-9238-4264cd9f4b2a/3881640920723_.pic.jpg Portfolio - Stirling Engine https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1641057817086-LS56YBLAQ4K15F2J77UN/4001640920845_.pic.jpg Portfolio - Stirling Engine https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/fed67f3e-dc8b-4a39-872b-7acc661e287a/MEAM201_21C_Lightbox+%2824%29.jpg Portfolio - Stirling Engine https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/e0dc194e-42f1-4288-be4f-cab92515ad28/3371640920219_.pic.jpg Portfolio - Stirling Engine https://runingguan.com/portfolio/drive-o-copter monthly 0.5 2025-08-14 https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1614326799264-NQ0K6Y0ZHADUAIAH9FFH/image14.png Portfolio - "Drive-o-coptor" (HS) - New Version This newly designed electronic box organized all of the drive-o-copter’s electronics; hence, the location for each board was predetermined and holes were made accordingly. The box followed the outline of the carbon fiber plate (shown above) so that the available space was maximized in that limited area. The updated model was shorter in length and height for lighter weight (50%) and aesthetics. The position of the boards was rearranged so that the board that needs the most vertical space is now in the middle, and it is also well ventilated as some boards can get hot fairly quickly. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1614326384885-4O06OSDT0QXHDFZIMJGC/2071614326314_.pic_hd.jpg Portfolio - "Drive-o-coptor" (HS) - Old Version The old box was well designed, but it only carries the electronics for the bottom portion of the drive-o-copter. Once the design team realized that the upper flying portion of the drive-o-copter could not be separated into a self-sufficient module, the decision was made to move the electronic components to the flying part and the battery to the driving part of the vehicle. The decision was made to place two more circuit boards into the electronic box. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1614327845820-SWSW4EZCCX65VVLUXS9C/Screen+Shot+2021-02-26+at+03.23.49.png Portfolio - "Drive-o-coptor" (HS) - CAD Changing the type of spring and the spring’s attachment to the wheel apparatus also improved the overall function and design. A centrally located torsion spring, rather than one on both ends, provided a simpler solution to attach the wheels to the main body as well as a better shock absorption which was proven by testing. The screw holes connecting the two parts needed to be countersunk to fit 20mm M2 screws, and space on the opposite side had to accommodate tightly-fitted M2 nuts. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1614327908934-BG594DFADAKLBAZ7YJYR/2091614327632_.pic.jpg Portfolio - "Drive-o-coptor" (HS) - Built Product Undergraduate student, Camila Buitrago (‘22), designed the tube insert for the spring to connect to the carbon-fiber rods (which is connected to the wheels), but I helped finish the actual building of the new spring system. All of the parts had to be hammered into each other. Ultimately, the one-spring system was a more efficient design that cut space and weight. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1614328252942-DG5SRT8L3UKTDI3LADP2/image6.jpg Portfolio - "Drive-o-coptor" (HS) - Weight Reduction The previous design can be seen in the image above in the spring holder section. Improvements to the wheel casters resulted in significant weight reduction. By eliminating the front and back portion of the casters, functions were maintained but the wheel apparatus weight was reduced from 36.59g to 16.99g. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1614328641785-RTL6QQFNZYB9ZT5IXUX8/2081614326319_.pic_hd.jpg Portfolio - "Drive-o-coptor" (HS) Printed New Electronic Box w/ Support https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/ab2360cc-a7b3-42d0-a5fb-d2d9bbda1449/image2.jpg Portfolio - "Drive-o-coptor" (HS) Torsion Spring https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/087b11e6-9817-4634-9258-04dcf3208df1/image10.jpg Portfolio - "Drive-o-coptor" (HS) What to hammer? https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/9d14357a-f4e4-4870-8d39-d806882a1477/image12.jpg Portfolio - "Drive-o-coptor" (HS) New Box w/ New Plate https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/86c70aed-fa9e-42f1-8625-4b13030def9d/image13.jpg Portfolio - "Drive-o-coptor" (HS) New Wheel Caster Printed https://runingguan.com/portfolio/dinky monthly 0.5 2024-01-13 https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1614405562245-6O3PU4C7BMLD5KTK4JV8/IMG_3714.jpg Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1614405525297-7EDOV53194HNL5Y6DA41/IMG_3720.jpeg Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1614405972642-69XSHQLTJ4AUSJOCE8UC/IMG_3863.jpg Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615956118521-FP3KDIJU8961EQ2D27ZJ/IMG_4134.jpg Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615957428680-9CK2V6O05OX4IW9Y46Q9/IMG_8736.jpg Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615955780800-UJ61B2MZWQUUZA56DPG5/IMG_1143.jpg Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615957324324-6TWM259O7ASKMSWFWZTZ/IMG_8723.jpg Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615955997708-C5AWGIOLKJB8Y4O3C50Y/Screen+Shot+2021-03-17+at+12.39.52+AM.png Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615957324479-ZKV8YZWT7288K24TKGBM/IMG_8738.jpg Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615955865128-UTEXB7RI58YKB20V68RZ/059A1A3E-A7EB-44EC-AA85-BF00FA18321A.JPG Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615957324388-XF44D4D0O53E1K4KPE4R/IMG_8739.jpg Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615955864694-Q4E5T7CVA6XS1AB6GMMR/F4973503-66C8-4EC7-8761-A784A8FA7728.JPG Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615957324418-DZPSK9PNMX4RZSXTWN5X/IMG_8737.jpg Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615955780737-FOZJ0BCXFMV0GP2S61WV/IMG_1113.jpg Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615957338401-G6GHMDG5VCAE5S0RRDPD/IMG_8740.jpg Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615955780673-VJ8PP4X23LRP906ENGZI/IMG_2586.jpg Portfolio - "Dinky" (High School) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615955860128-1J95TX8KAVY9DGWGPSRD/A4976D8C-F1AF-40F1-A6E8-5F34BCAB780E.JPG Portfolio - "Dinky" (High School) https://runingguan.com/portfolio/balto monthly 0.5 2025-08-14 https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615355701509-ZJDU3XC201PYIL8HYBCL/image22.jpg Portfolio - "Balto" (HS) - The ventilation tube was designed to aerate the new waterproof and dustproof housing of Odrive motor controller in the RC car. When designing the tube, we ran into some problems due to 3D printing. Even though the tube looked correct in STL preview, some areas had thickness so close to 0 that the 3D printer did not print it at all, leaving holes in the walls of the tube. I made changes to construct a smoother curve, creating more sketches to guide the loft cut and making sure the thickness was sufficient for printing. While initially difficult, I was able to remove the supports with a flat screwdriver, hammer, pliers, tweezers, and time. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615355990332-UU74K0XAEHUGLDTNQC0L/image32.jpg Portfolio - "Balto" (HS) - The team created a newly designed mount to relieve stress on the cable plug by keeping the cable and the micro USB port on the camera at the same surface level, avoiding cable bending at the most critical points. After the initial design, two other camera mounts were modified to place at different positions relative to the Lidar. The main shape was unchanged with modifications to the width, length, height, and hole positions for the mount to fit onto other places, allowing the final assembly to have a variety of camera positions tuned to the specific tasks. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615356029728-OGQEDWQOAX3CZC1WK7HB/image20.png Portfolio - "Balto" (HS) - The next step of the project was to design a release mount that places the Realsense T265 (T for tracking) and D435 (D for depth) camera that is used for object detection on top of the lidar unit, the highest point of the robot, to provide the best angle for object detection purposes. After testing at Eagle Mine, the team discovered significant damage to camera cables and cable connections due to uneven ground. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615356852183-CVUY05W3DTOQF0IHEL2E/image33.jpg Portfolio - "Balto" (HS) - The top pieces also make it possible for the flashlight to be repositioned at 10 different angles for each particular task, which is possible by placing ten screw holes with heat inserts onto the mount, with the flashlight using only two of them for every fixed position. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615356665473-TP0KGV44E21B1W0JTZY2/Screen+Shot+2021-03-10+at+01.10.45.png Portfolio - "Balto" (HS) - Originally, the flashlight mount was designed to be clipped onto the rod. However, it snapped into pieces due to the lack of strength and flexibility of the plastic parts (shown at top). To solve the problem, we decided to print it in two pieces, with screws holding them together. The top pieces also make it possible for the flashlight to be repositioned at 10 different angles for each particular task, which is possible by placing ten screw holes with heat inserts onto the mount, with the flashlight using only two of them for every fixed position. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/6fc09296-1b54-4765-9637-f434b94dad44/image37.jpg Portfolio - "Balto" (HS) Communication Node https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/eb287e00-538b-45a6-ac79-b07965c72636/image29.jpg Portfolio - "Balto" (HS) RealSense Camera Mounted https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/08cf4c0c-4b8b-4523-82a8-b9aa04eb2a20/image36.jpg Portfolio - "Balto" (HS) Flashlight Mount (Side View) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/12688d65-4a39-43bf-9169-0e48fe37ce06/image38.png Portfolio - "Balto" (HS) Communication Node Mount https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/e9519b84-430e-49c4-82de-b3c93628b260/image16.jpg Portfolio - "Balto" (HS) Temporary Dust/Water-Resistant Shield https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/7d5cc3e5-88f9-45fb-a006-05b9a484ae5e/image39.png Portfolio - "Balto" (HS) Module Mounter https://runingguan.com/portfolio/brogger monthly 0.5 2021-03-06 https://runingguan.com/portfolio/jet-engine monthly 0.5 2021-06-27 https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1624761287791-2QHBFMBYB2FXPBBWTNB9/Screen+Shot+2021-06-26+at+7.15.26+PM.png Portfolio - Jet Engine Back Rendering https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1624761476501-2VWUR7ND07GW9ZD1VF9S/Screen+Shot+2021-06-26+at+7.15.00+PM.png Portfolio - Jet Engine Front Rendering https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1624762270727-RPS9TIR4EQRSLDBJRTRK/Screen%2BShot%2B2021-03-10%2Bat%2B6.03.03%2BPM.jpg Portfolio - Jet Engine Version 1 https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/b353e88c-59c2-47f0-8d88-d44b4cbe4152/Screen+Shot+2021-03-10+at+6.00.55+PM.png Portfolio - Jet Engine Version 1 Section View https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/0bf94e33-35d4-4565-8ae3-4210a386de6f/Screen+Shot+2021-03-10+at+5.51.18+PM.png Portfolio - Jet Engine Version 2 Partial https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/afeff3e1-306d-4dcf-bf10-33f599963638/Screen+Shot+2021-03-17+at+1.11.27+AM.png Portfolio - Jet Engine Version 2 https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/37f6bdf5-66d4-4f3b-819d-63e9abcc7cef/Screen+Shot+2021-03-17+at+1.12.42+AM.png Portfolio - Jet Engine Version 2 Section View https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1624762311040-IAAT5EPXYH1Y8S8LXJA0/Screen%2BShot%2B2021-06-16%2Bat%2B6.36.27%2BPM.jpg Portfolio - Jet Engine Version 3 https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1624762334855-BMSL8MRAT731I6NQRYSU/Screen%2BShot%2B2021-06-16%2Bat%2B6.38.15%2BPM.jpg Portfolio - Jet Engine Version 3 Section View, different colors denotes different materials https://runingguan.com/portfolio/vtt monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1628732882687-2LNKQZ857OLKYANMQRYN/1961626907054_.pic_hd.jpg Portfolio - "VTT" https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1628733120923-8P04HBTMMRIGPERDMM91/1991626907087_.pic_hd.jpg Portfolio - "VTT" https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1628733447035-YST2Z99WWZASVNRSP4AQ/2071628733367_.pic.jpg Portfolio - "VTT" https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1629852310962-31V1GCAO6V1HJR27OEU2/2091629851983_.pic.jpg Portfolio - "VTT" https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1629852202311-OZOSUWV16G5LO0NBB1LN/2011626907097_.pic_hd.jpg Portfolio - "VTT" https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/f01528fd-69fc-4631-98db-167ef5736b7b/2041626907109_.pic_hd.jpg Portfolio - "VTT" Four Fully Processed and One Newly Cut Band https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/161e75dc-6c1b-4c02-a7f8-686c492a5c12/1951626907051_.pic_hd.jpg Portfolio - "VTT" Using Arbor Press to Push Magnets Out https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/17181d92-80a6-446a-bfc7-12c6ec6d71e5/2111629852850_.pic.jpg Portfolio - "VTT" Spiral Zipper Horizontal Test https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/0e7aa924-120a-4570-8f99-173286507d4d/2141629853117_.pic.jpg Portfolio - "VTT" Laser Cut Settings https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/2d16feb5-7838-4078-98c8-4c7ac5f61bac/2151629853134_.pic.jpg Portfolio - "VTT" First Ever Practice Band! (ABS) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/0a300b65-5a8e-4549-9ef0-0fe9a2de2aac/2121629853011_.pic.jpg Portfolio - "VTT" Compressed VTT with Metal Truss (when we didn't have enough bands) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/bca9c69a-4b51-483b-bc62-c65eca0e215b/2161629853712_.pic.jpg Portfolio - "VTT" All Zippered Up https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/625ba02f-1d63-4f02-a9ce-230a8f075706/2171629853712_.pic.jpg Portfolio - "VTT" VICON Tracking on Vertices https://runingguan.com/portfolio/quori monthly 0.5 2021-07-01 https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/d1f4493c-2f55-433d-b1d6-1010e4f780eb/2291629953898_.pic_hd.jpg Portfolio - "Quori" Arm production in progress... When we were almost at the finish line, we ran out of some parts so we have to take old prototypes apart to build new ones. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/c44946a5-1504-4b8b-bbd4-d5231de4c04c/2351629953947_.pic_hd.jpg Portfolio - "Quori" Clip ring soldering. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/3526f84b-ba9c-4b6c-bd29-5bac0d9baeda/2231629953862_.pic_hd.jpg Portfolio - "Quori" Tapping holes on 3D printed parts with guide because it is important to be vertical. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/46366fb7-a53f-432a-9003-86b81d912ee0/2361629953951_.pic_hd.jpg Portfolio - "Quori" Finished shoulder joints. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/4f17cef1-fb8e-4b9c-b98d-a7a84a197971/2371629953953_.pic_hd.jpg Portfolio - "Quori" After successfully mounting the arm. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1629990901221-WSGIKSE6I07U49ADHS7G/2441629990709_.pic.jpg Portfolio - "Quori" Assembled shoulder joint module on arm. It is important to align the teeth so the belt won't slip. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1629987586416-BDDZVXYNV6WI5LK3C83N/2201629953840_.pic_hd.jpg Portfolio - "Quori" Bridges for securing and supporting shoulder joint module on arm. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/0a64c5a7-d979-467e-887f-b8b0d0848394/2411629953995_.pic_hd.jpg Portfolio - "Quori" Creating different wires for the system. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1629987643543-29ZI6I4II1L11OU4LWOH/2251629953868_.pic_hd.jpg Portfolio - "Quori" A fully assembled right arm. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/7201b8eb-ae70-4212-8d04-f1df680ecb28/2321629953938_.pic_hd.jpg Portfolio - "Quori" All done! https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1629991654736-3L1SNDZWFQYSITMKMJOV/2451629991043_.pic_hd.jpg Portfolio - "Quori" All wires are custom made to the right length. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/8e3e07c1-9e84-4273-a8bf-336361785483/2461629991112_.pic.jpg Portfolio - "Quori" My soldering work station! https://runingguan.com/portfolio/martian-helicopter monthly 0.5 2021-09-01 https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1630476683701-LPP6B6YJ1LFKRTXN7WZG/2541630475211_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1630476756880-K17E0XZP9XATV6N0TO3E/2551630475214_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1630477556852-UM0SVZDN9DWDX6A3B33M/2611630475253_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1630478451524-320CJL6YZAODELLWHN40/2691630475292_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project We added telescope tubes in the middle to help with the wiggling (latitudinal motion) and added plates to better position the Actuonixs. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1630478811131-PS42RLDB1KAQHJK2KBSJ/2871630478625_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1630478788442-TDNLQBXG17RH8FGIUDR6/2861630478606_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/a9570dfa-6096-45eb-b2f5-a2e2ff6a15dc/2821630478593_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/554d8eab-db6d-4fa1-9c4c-595cd0b5f405/2511630475202_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project Drone in the CAST Testing Arena, ready for first flight after successful calibration! https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/9c9f1ac2-7a05-4b9d-b75c-f4d367c055c8/2841630478599_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/49e22ab2-e942-4d77-8831-4f5a11900c35/2521630475206_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project Close-up of a fully tethered drone for safety purposes for initial testings https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/13c78aee-19a8-4355-beae-97c2ded440d5/2851630478603_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/10703061-2ed1-4fd5-a53e-9ff40321dc48/2571630475220_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project Reverse engineering a purchased carbon fiber piece so we can make more changes as we see fit. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1630645312715-EWJ5N0R76JZP7OGHH04H/2751630475308_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project When we realized we forgot to design 8 holes when manufacturing the center carbon fiber plate, instead of CNCing another one, we decided to modify the current plate. (Continued on next slide) https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1630645287947-SE4Z6VGMI8H9X269OMXT/2741630475305_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project To ensure the holes are in the right position, we have to match the exact position. We decided to print out 1:1 ratio design and glue it onto the plate. As you can see in this picture, I marked out some holes' X and Y's axis. After matching the first two holes we just clamp/glue down the plate for the CNC to do the rest. It was proven a successful mission! https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1630894736587-A4B7YVWKQ1X7NAY6FFHG/load%252Bcell%252Bcalibration.jpg Portfolio - JPL Martian Aerial Manipulation Project https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1630645339109-4E0PACDSYIWJZNHSC1C1/2761630475310_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project This was the final design with structures only (no props, no computer, no landing gear) and we were pleasantly surprised it only weighed 3.3 kg. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/6534bcb3-f9ba-4b93-a49d-009ac98914a6/2831630478596_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project Close up of load cell calibration set up! Basically I would take an object, weigh it on the scale and the load cell and record the outputs accordingly. After tens and hundreds of trials then can we determine a rather appropriate/accurate slope and intersection for the load cell. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1630645427936-PMK78U94T7R9EXRLM9IG/2801630478587_.pic_hd.jpg Portfolio - JPL Martian Aerial Manipulation Project This is a 3D printed piece for landing gear attachment. It attaches the landing gears with thru-holes, and then it clamps on the arms with aluminum clamps as seen. https://runingguan.com/portfolio/stingray monthly 0.5 2025-08-14 https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615359500512-AXW0PWL09QVD7HQ62VK0/image41.png Portfolio - Long Endurance Project (HS) - Batteries Several of these models incorporate newer lithium-ion batteries, which have a high C rating (high discharge rate) and longer life. It was hypothesized that the battery could power drone ascents and maneuvers, while a diesel motor could maintain all other functions. In theory, this combination could give maximum functional capabilities and endurance. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615359538545-IIW0R58SMXFG3Y2HEJF1/image35.png Portfolio - Long Endurance Project (HS) - Current Market After researching different products on the market, it was determined that existing gas-powered helicopters and quadcopters could not be modified to meet minimum size and endurance capabilities. Additionally, other long-endurance drones, such as hexacopters and octocopters, operate on battery or hybrid-battery/gas power. https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1615359613912-YF5R8YXSR5QCN5GIGTMN/image34.png Portfolio - Long Endurance Project (HS) - Current Market After researching different products on the market, it was determined that existing gas-powered helicopters and quadcopters could not be modified to meet minimum size and endurance capabilities. Additionally, other long-endurance drones, such as hexacopters and octocopters, operate on battery or hybrid-battery/gas power. https://runingguan.com/portfolio/mechatronics monthly 0.5 2024-01-13 https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/2051265a-627b-4ca9-8f0f-a5ca4a7e19aa/gta+drawing.png https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/46ce2b6d-1462-44e7-9180-fd7097c4b8d9/overview+schm https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/b409e481-95f5-4e8c-8f45-707f8787da3e/HTML https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/eca7efe3-5a1c-440b-ab78-955c2e74dcc6/coord https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/a6ae5717-bfe2-4584-9314-8008797a077e/Screenshot+2024-01-16+at+10.32.01%E2%80%AFAM.png Portfolio - Mechatronics IR Circuit https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/25143982-7a95-4896-a1ec-c11dea274bbf/Screenshot+2024-01-16+at+10.32.09%E2%80%AFAM.png Portfolio - Mechatronics Vive Circuit https://runingguan.com/portfolio/crackle monthly 0.5 2024-09-08 https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/cddaa13d-4c86-47ca-9145-33fded780f9a/crackle+poster.png https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/1725827737578-M1YWB919ZR93HJX44D67/untitled.9.jpg Portfolio - Crackle https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/9a4be5c5-b1bd-4ecc-8c49-3106acd1f37b/981725818846_.pic.jpg Portfolio - Crackle Team at FAA Atlantic City https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/e86c3ac0-ed21-4bbd-939a-5da937634e89/Screenshot+2024-09-08+at+1.38.41%E2%80%AFPM.png Portfolio - Crackle https://images.squarespace-cdn.com/content/v1/6031ebd95eb0533730d071bf/580b8b18-b767-4912-90b7-c2d2746c14ac/MEAM-Sr-Design_04.29.24_DSC7687.jpg Portfolio - Crackle Design Day