Island, Nunavut, Canada
- Plan route for initial sun-synchronous experiment in Von Braun
- Move Hyperion to Von Braun Planitia
Status and Progress
- Beautiful weather!
- Deployed Hyperion to the test area. Hyperion drove (largely
autonomously with statistics still to be computed) to our intended
location 1.4km northwest of our base camp. During the this traverse
Hyperion successfully forded three streams. Hyperion was teleoperated
from the base camp during the water crossings. It was also necessary
climb one snowfield. After some initial skidding Hyperion successfully
climbed the grade with its speed lowered to 5cm/sec. The terrain
perception and local navigation system performed flawlessly
autonomous traverse through several rockfields that required
obstacle detection and avoidance. Plenty of twists and turns.
- Debugged mission planner. Shortly before the intended start
(12:00amCST) of our first sun-synchronous traverse a problem
detected with the plan (the start location was 29km away). This
tracked down to a problem introduced when we corrected the geodetic
coordinate system of our digital elevation model (DEM) from
the WGS84 to
NAD27. (The DEM was believed to be WGS84 but this was determined
incorrect in our earlier ground truth measurements of the test
We debugged this problem, generated a new sun-synchronous plan
Hyperion drove to it new start location 1.1km away.
- Distance driven in field experimentation to date 2734m.
- Foreshadowing the next report, our first sun synchronous traverse
began at 7:30amCST on July 18.
- Test sun-synchronous navigation
Early: Scattered clouds. 10C. Winds 5-10kph.
Late: Sunny. 10C. Winds 5kph.
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