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Mechanical Obstacle Avoidance #5

Open Gizmotronn opened 4 years ago

Gizmotronn commented 4 years ago

To explore the daunting surface of Venus, NASA needs an innovative obstacle avoidance sensor for its mechanical clockwork rover.

Discuss the solutions for obstacle avoidance using mechanical systems here and on the google doc:.

Resources:

Gizmotronn commented 4 years ago

I don't think that the first resource (one motor, all mechanical obstacle avoidance mentioned here is relevant:

OK, obstacle reflectance might be a better term, since this Lego Automatic Synchro Drive from YouTuber xyzzzach bounces off of obstacles, rather than actually avoiding them. But its design is so clever it deserves a bit of nomenclatural slack, IMHO. The entire ‘bot is surrounded by a spinning planetary-geared bumper. When the bumper contacts an object, it sticks, and its rotational momentum is transferred to a geared steering train that simultaneously rotates all four wheels, all of which are driven, away from the obstacle. And it’s all done with a single electric motor. Nice factory-style Lego assembly instructions here.

Gizmotronn commented 4 years ago

I briefly discussed mechanical pool cleaners previously on the Slack, and I've found some more resources:

Robotic Pool Cleaners Compared Pool Savers Slack discussion regarding pool cleaning

Gizmotronn commented 4 years ago

Hey everyone, as per @exynos-999 's suggestion I'll be working on mechanical sensors today.

Gizmotronn commented 4 years ago

I've got a bunch of stuff to check out:

Slope Detection

I've found a number of things from Google Patents relating to this:

https://patents.google.com/patent/US20020087253A1/en image

Collision Avoidance - Spacecraft

I've also been doing some thinking, and as per the outlines/rules here, we have an average of 1 Watt that we can use, with a maximum of 15 Watts with justification (on a limited basis). This has led me to come up with the idea that we could possibly make use of this extra power when we want to transmit data to the orbiter/mothership or for specific scientific experiments that require power (not a very innovative idea, I know). The rover will not need this 1 Watt of power to move, so we could investigate how much power a simple sensor like the ones I've shown here would use. The other problem, of course, is if it would be able to survive on Venus for longer than 6 months.

Materials

Ceramics

Forum Post + Ideas

I sent my first forum post in herox today

Also sent some more stuff through: https://www.herox.com/VenusRover/forum/thread/5050, https://www.herox.com/VenusRover/forum/thread/4957?page=1#post-21797

https://www.herox.com/VenusRover/forum/thread/4872 --> Sonar (could be done by the orbiter, then send info packets down to the rover at specific times when the power can reach 15W).

4 #3 #2 #1

https://pdf.sciencedirectassets.com/271552/1-s2.0-S0895717700X00143/1-s2.0-089571779500135O/main.pdf?X-Amz-Security-Token=IQoJb3JpZ2luX2VjEB0aCXVzLWVhc3QtMSJGMEQCIFmyO9gZFUgs7nGVRgGQWjIOZ9iwQuPuPyudkUnBnq6MAiAo0vqEXNw6HKvsCdWymoPwQuY9eviVhGnJrOzV1%2BoR3yq0AwhGEAMaDDA1OTAwMzU0Njg2NSIMO2EJoRRrsVhToF%2F%2FKpEDh0fZkhjB18PTAZCMcEPyUU4gBqHIPsh16lwXk3UL%2F%2BNQmsZU6ByUeBByxIRJ5T5j7qmk77hJG6qpNASu3pReMmw4Qxi8CR9y3%2FsoncbQ0Guc0HLe781UzN4NSwgE5ugBiLSwC6fP08uKWMetvzh4Uzst3KtGU0AqjJnq15mGz2mMeIdmIqabX%2FzbCfzMb0BLWxSR4avNVt4uufyAiVFBiLYel8t7fFnLoeZ06hMs3ffX90G0jHY3rdCeStiWPBAngZOqehoHpJn2HQcLTk0Y3tHKScW5mwKYNGbQoF8T25cqVPr8R%2FAtf3woi1DjK8uWTUWDLbNHSUdsklQ2HrwANTbR61aOGTa7mIGcWbruEbDeOmPK53%2FK52v4cXV242ny4j2PbD2mKWXEk2DmPZMB31isGj68j1Sx%2FSSfPBow%2B6sqOg0y%2F6%2FJbVRGFMCH%2BAE%2B%2FHo5DJzaG1p84fHK0dQKtlOKBrKV%2Bhv7DJS0hKfZwW77RZKznXvQJyMtxD%2FvYtC7FqbnZw1Fi7HeYYkVaFcb8BIw9vCA9QU67AGVCwXtlHk%2BkzaJl9PeJkMTuocP%2FTt%2Btgv8YvJoRbK9HLH2%2FUNQCDQ%2BLFfhZVAvqBKGhTW3frST%2FourejOt%2BUMelK2ZLh8A3EKqzKRZtVZia1N9fYZNSaiV1sxlSO2EIisuO8ohoIgIOoMWHuQ42ARxysqNmxjNjDkh34VIKx2PEcFfSdoertxFofy%2B7FBBkCh4oDftXP%2BlGIwBx8XiKr5CUMWsIwvxlr6XwuuNwGUAV2BjZkhJs6zIQotHFv3RQl2UNSbh%2FZ0bmYEdb3cbuPigF4XjtqH9ZV8qCnvP3NIdiCtW0OS80R75YNi98A%3D%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20200422T124339Z&X-Amz-SignedHeaders=host&X-Amz-Expires=300&X-Amz-Credential=ASIAQ3PHCVTYQO7NOSVK%2F20200422%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Signature=10303bec9d13750613c2d4a7e362eca59f0f2ebbe4149eeaf861f0137a58354c&hash=31e0c3f75a7acb8c7b2facf4b6a145214e58fa44e6e25f22072f10efa99281de&host=68042c943591013ac2b2430a89b270f6af2c76d8dfd086a07176afe7c76c2c61&pii=089571779500135O&tid=spdf-bcfd43d7-9c60-4611-8fea-95831b5d25bc&sid=6ac0abbc7546c14bcb78f340f4a168f69f20gxrqa&type=client

Gizmotronn commented 4 years ago

https://github.com/EXYNOS-999/EXPLORING_HELL_NASA-NIAC/commit/8fccad4bf01a6e2d8c6a0d30b5e37e57958c3c82