Summary Draft 1 of Perseverance's Robotic Arm

 


The Perseverance’s robotic arm consists of scientific cameras, a drill and a ground contact sensor.


There are three scientific cameras. WATSON is a color camera used to take zoomed in pictures of targets of interest (WATSON, n.d.) that contain signs of microbial life searched by SHERLOC (SHERLOC, n.d.). PIXL functions similarly to SHERLOC. However, it is able to identify chemical elements at a miniscule level (PIXL, n.d.).


The rover's drill penetrates into the Martian surface to collect rock samples. The drill is equipped with three different kinds of bits that help collect samples. The coring and regolith bits contain sample collection tubes to store samples when drilling. The abrader bit is used to remove the eroded surface layer of rocks, to reveal the inner layer of the rock for analysis (Robotic Arm, n.d.).


The ground contact sensor sends a signal to the robotic arm to stop its movement to prevent it from touching the ground (Robotic Arm, n.d.).













References:

WATSON  (n.d.). NASA. https://mars.nasa.gov/mars2020/spacecraft/rover/cameras/#WATSON


SHERLOC (n.d.). NASA. https://mars.nasa.gov/mars2020/spacecraft/instruments/sherloc/


PIXL (n.d.). NASA. https://mars.nasa.gov/mars2020/spacecraft/instruments/pixl/ 


Robotic Arm (n.d.). NASA.

https://mars.nasa.gov/mars2020/spacecraft/rover/arm/

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