Major site overhaul: resources hub, content migration, new blog posts, forms
- Redesign /resources as sectioned hub with category pages - Migrate 645 Squarespace CDN images to local /images/content/ - Create 9 new news/blog posts with event photos - Fix blog post slugs (rename gibberish filenames) - Rename Design Blog to Design Blogs across site - Remove education page, replace with Platform in nav - Redesign rover repair request form with dynamic rover entries - Add school search combobox to contact, store, and repair forms - Extract shared KNOWN_SCHOOLS data - Make /rover-expansion-3d-printing dynamically pull from MDX - Add related resources sections to product pages - Fix homepage broken /quote links to /store - Store page: sample kit cards, inline quote builder, mailing list opt-in
This commit is contained in:
Tim Hadwen
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title: "Design Blog: Fan Gecko"
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date: "2024-01-02"
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categories: ["Design Blog"]
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categories: ["Design Blogs"]
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tags: []
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excerpt: "My name is Binara, and I will be taking you through the entire design process of how I created the fan gecko attachment. The original task was to create a robot that can complete the Alpine robot challenge at RoboRAVE Australia. The challenge require"
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featuredImage: "/images/resources/design-blog-fan-gecko.jpg"
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My name is Binara, and I will be taking you through the entire design process of how I created the fan gecko attachment. The original task was to create a robot that can complete the Alpine robot challenge at RoboRAVE Australia. The challenge requires a robot to climb an 80° incline and deliver a flag to the summit. Further details about the challenge itself can be found on the RoboRAVE website:
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[
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RoboRAVE Australia Challenges
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](https://roboraveaustralia.com/challenges/)
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My name is Binara, and I will be taking you through the entire design process of how I created the fan gecko attachment. The original task was to create a robot that can complete the Alpine robot challenge at RoboRAVE Australia. The challenge requires a robot to climb an 80° incline and deliver a flag to the summit. Further details about the challenge itself can be found on the RoboRAVE website:[RoboRAVE Australia Challenges](https://roboraveaustralia.com/challenges/)
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@@ -23,13 +19,13 @@ Every idea has to start somewhere, so the best way to get inspiration is to see
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As with the other design blogs, we will look into some existing designs. As there are not many existing alpine robots, research was put into wall climbing robots instead:
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Many of the existing designs rely on suction properties to stick to the walls, either using fans or suction cups. As the most common design for wall climbing seems to be fans, this is the technique that will be explored for the rover attachment.
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@@ -37,11 +33,11 @@ Many of the existing designs rely on suction properties to stick to the walls, e
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As with most of my designs, the prototype phase consists of generating a 3D design on Autodesk Inventor or Fusion 360 and then 3D printing it. This project also deals with high-current applications so vigorous testing was done on all of the components before they were plugged in.
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Prototype 1 has been labelled the ‘Spicy Sombrero’. The basic idea for this one is to use drone motors and propellors to create a thrust to push the robot down. Theoretically, when the robot starts climbing the wall, it will not fall backwards as the fan will push it into the wall. By increasing the normal force acting on the rover from the ramp, we hope to increase the friction force to give it better traction.
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Notes to fix for the following design:
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To greatly optimise on mass and strength (as well as aesthetics), generative design was used to create the frame holding the fans. This is the part that undergoes the most force on the rover, so it has to be very strong, but still must be made as light as possible. Generative design is a technique where a generative model (sort of like an AI), creates a part given a set of prompts and conditions. They result in organic-looking objects like the part we made below:
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Notes to fix for the following design:
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To assist the rover in it’s climb to the summit, coding features used the gyro sensor to determine incline angle and required EDF thrust. The fans were also used to assist the rover in getting onto the ramp from the ground. A braking technique was used where the idle fan power served as a brace while the flag was being winched to the top. The colour sensors were used to locate the end of the ramp, and assisted with navigation on the summit.
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Final design review:
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