A ballistic parachute is released to slow descent of a cabin and an airframe where the airframe supports a plurality of rotors and the cabin removably attaches to the airframe. A ground condition is detected and it is decided whether to detach the airframe from the cabin. The airframe is detached fr
A ballistic parachute is released to slow descent of a cabin and an airframe where the airframe supports a plurality of rotors and the cabin removably attaches to the airframe. A ground condition is detected and it is decided whether to detach the airframe from the cabin. The airframe is detached from the cabin in response to the decision.
대표청구항▼
1. A system, comprising: a flight computer configured to: release a ballistic parachute to slow descent of a cabin and an airframe, wherein the airframe supports a plurality of rotors and the cabin removably attaches to the airframe; anddetect a ground condition and decide whether to detach the airf
1. A system, comprising: a flight computer configured to: release a ballistic parachute to slow descent of a cabin and an airframe, wherein the airframe supports a plurality of rotors and the cabin removably attaches to the airframe; anddetect a ground condition and decide whether to detach the airframe from the cabin, including by: determining a landing zone for the airframe based at least in part on an impact site, an error, and a post-impact rolling distance;adjusting an area scanned by a scanner to include the landing zone and scan the area, wherein the scanner returns scan data;deciding whether to detach the airframe based at least in part on the scan data; andin the event it is decided to detach the airframe, signaling the release to detach the airframe from the cabin;a release configured to detach the airframe from the cabin in response to the decision by the flight computer;the ballistic parachute;the cabin; andthe airframe. 2. The system recited in claim 1, wherein the cabin is an unmanned cabin. 3. The system recited in claim 1, wherein: (1) a primary battery compartment is coupled to the airframe and (2) the flight computer and an auxiliary battery are coupled to the cabin. 4. The system recited in claim 1, wherein the flight computer is configured to detect the ground condition and decide whether to detach the airframe from the cabin, further including by: determining an angle of rotation associated with the landing zone. 5. A system, comprising: a flight computer configured to: release a ballistic parachute to slow descent of a cabin and an airframe, wherein the airframe supports a plurality of rotors and the cabin removably attaches to the airframe; anddetect a ground condition and decide whether to detach the airframe from the cabin, including by: obtaining recorded information;determining a landing zone for the airframe based at least in part on an impact site, an error, and a post-impact rolling distance;deciding if all corners are undeveloped according to the recorded information; andin the event it is decided that all corners are undeveloped, signaling the release to detach the airframe from the cabin;a release configured to detach the airframe from the cabin in response to the decision by the flight computer;the ballistic parachute;the cabin; andthe airframe. 6. The system recited in claim 5, wherein the flight computer is configured to detect the ground condition and decide whether to detach the airframe from the cabin, further including by: determining an angle of rotation associated with the landing zone. 7. The system recited in claim 1, wherein the flight computer is configured to detect the ground condition and decide whether to detach the airframe from the cabin, including by: deciding if an altitude is less than a threshold altitude; andin the event it is decided that the altitude is less than the threshold altitude, signaling the release to actively detach the airframe from the cabin. 8. The system recited in claim 7, wherein explosive bolts are used to actively detach the airframe from the cabin. 9. A method, comprising: using a flight computer to release a ballistic parachute to slow descent of a cabin and an airframe, wherein the airframe supports a plurality of rotors and the cabin removably attaches to the airframe;using the flight computer to detect a ground condition and decide whether to detach the airframe from the cabin, including by: determining a landing zone for the airframe based at least in part on an impact site, an error, and a post-impact rolling distance;adjusting an area scanned by a scanner to include the landing zone and scan the area, wherein the scanner returns scan data;deciding whether to detach the airframe based at least in part on the scan data; andin the event it is decided to detach the airframe, signaling the release to detach the airframe from the cabin; andusing a release to detach the airframe from the cabin in response to the decision by the flight computer. 10. The method recited in claim 9, wherein the cabin is an unmanned cabin. 11. The method recited in claim 9, wherein: (1) a primary battery compartment is coupled to the airframe and (2) the flight computer and an auxiliary battery are coupled to the cabin. 12. The method recited in claim 9, wherein using the flight computer to detect the ground condition and decide whether to detach the airframe from the cabin further includes: determining an angle of rotation associated with the landing zone. 13. A method, comprising: using a flight computer to release a ballistic parachute to slow descent of a cabin and an airframe, wherein the airframe supports a plurality of rotors and the cabin removably attaches to the airframe;using the flight computer to detect a ground condition and decide whether to detach the airframe from the cabin, including by: obtaining recorded information;determining a landing zone for the airframe based at least in part on an impact site, an error, and a post-impact rolling distance;deciding if all corners are undeveloped according to the recorded information; andin the event it is decided that all corners are undeveloped, signaling the release to detach the airframe from the cabin; andusing a release to detach the airframe from the cabin in response to the decision by the flight computer. 14. The method recited in claim 13, wherein using the flight computer to detect the ground condition and decide whether to detach the airframe from the cabin further includes: determining an angle of rotation associated with the landing zone. 15. The method recited in claim 9, wherein using the flight computer to detect the ground condition and decide whether to detach the airframe from the cabin includes: deciding if an altitude is less than a threshold altitude; andin the event it is decided that the altitude is less than the threshold altitude, signaling the release to actively detach the airframe from the cabin. 16. The method recited in claim 15, wherein explosive bolts are used to actively detach the airframe from the cabin. 17. A computer program product, the computer program product being embodied in a non-transitory computer readable storage medium and comprising computer instructions for: releasing a ballistic parachute to slow descent of a cabin and an airframe, wherein the airframe supports a plurality of rotors and the cabin removably attaches to the airframe;detecting a ground condition and deciding whether to detach the airframe from the cabin, including by: determining a landing zone for the airframe based at least in part on an impact site, an error, and a post-impact rolling distance;adjusting an area scanned by a scanner to include the landing zone and scan the area, wherein the scanner returns scan data;deciding whether to detach the airframe based at least in part on the scan data; andin the event it is decided to detach the airframe, signaling the release to detach the airframe from the cabin; anddetaching the airframe from the cabin in response to the decision. 18. The computer program product recited in claim 17, wherein detecting the ground condition and deciding whether to detach the airframe from the cabin further includes: determining an angle of rotation associated with the landing zone. 19. A computer program product, the computer program product being embodied in a non-transitory computer readable storage medium and comprising computer instructions for: releasing a ballistic parachute to slow descent of a cabin and an airframe, wherein the airframe supports a plurality of rotors and the cabin removably attaches to the airframe;detecting a ground condition and deciding whether to detach the airframe from the cabin, including by: obtaining recorded information;determining a landing zone for the airframe based at least in part on an impact site, an error, and a post-impact rolling distance;deciding if all corners are undeveloped according to the recorded information; andin the event it is decided that all corners are undeveloped, signaling the release to detach the airframe from the cabin; anddetaching the airframe from the cabin in response to the decision. 20. The computer program product recited in claim 19, wherein detecting the ground condition and deciding whether to detach the airframe from the cabin further includes: determining an angle of rotation associated with the landing zone.
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