Summary Draft 1: Rosalind Franklin Locomotion System
In the article “Moving on Mars" (2019), the European Space Agency (ESA) documented the locomotion system of Rosalind Franklin which was created for the ExoMars mission in 2023. The system combines several different components to traverse the various terrain of Mars.
From past experiences, the wheels of other rovers tend to get stuck, while carrying out its mission on Mars, thus ESA implemented Wheel-walking on the Rosalind Franklin. Wheel-walking mimics leg motion and solves the recurring issue of stuck wheels. The system can drive individual wheels and independently rotate the axes to change the rover’s height and angle according to the surrounding terrain.
On top of the wheel-walking method, the triple-bogie locomotion system is utilized to conquer large obstacles, while it's adaptable metal wheels allow for more fluid control and motion when the rover meets obstacles. The motion control of the rover is further aided by inclinometers and gyroscopes.
References
European Space Agency. (2019). Moving on Mars. ESA. https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/Exploration/ExoMars/Moving_on_Mars
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