Firmware
Fully Flight Tested
30/08/09 21:44
Posted by: Mariano I. Lizarraga
So after endless hours in the lab I am happy to report success in all fronts of the autopilot and making the GIT repository publicly available. The following plots show the XY plot of the Airplane as well as the autopilot’s inner loop response to commands from flight tests.
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So after endless hours in the lab I am happy to report success in all fronts of the autopilot and making the GIT repository publicly available. The following plots show the XY plot of the Airplane as well as the autopilot’s inner loop response to commands from flight tests.
Read More...
Inner Loop / Navigation in Hardware-in-the-Loop
10/04/09 17:59
Posted by: Mariano I. Lizarraga
Waypoint tracking is one of the most sought-out features in an autopilot. Essentially it allows the end-user to program (generally via a map or an aerial picture) a path (composed of waypoints) that the UAV is commanded to track. When we started working on SLUGS it was clear that this would be the first high-level feature we would add. And today I am happy to report that it is fully working in software simulation and hardware-in-the-loop (HIL).
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Waypoint tracking is one of the most sought-out features in an autopilot. Essentially it allows the end-user to program (generally via a map or an aerial picture) a path (composed of waypoints) that the UAV is commanded to track. When we started working on SLUGS it was clear that this would be the first high-level feature we would add. And today I am happy to report that it is fully working in software simulation and hardware-in-the-loop (HIL).
Read More...
Temperature compensation. It does matter.
21/01/09 13:52
Posted by: Mariano I. Lizarraga
Temperature compensation is one of those capabilities that when included in a sensor board can go a long way to reduce the temperature dependence on the computed measurements. The SLUGS AP includes a low-power active thermistor from Microchip (MCP9701A). This thermistor is really cheap and requires very little board real state. In our case, the thermistor has proven essential to conduct temperature compensation on our sensor measurements.
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Temperature compensation is one of those capabilities that when included in a sensor board can go a long way to reduce the temperature dependence on the computed measurements. The SLUGS AP includes a low-power active thermistor from Microchip (MCP9701A). This thermistor is really cheap and requires very little board real state. In our case, the thermistor has proven essential to conduct temperature compensation on our sensor measurements.
Read More...