A location estimation system for use with an autonomous lawn mowing robot, comprises a plurality of synthetic surfaces positioned with respect to a mowable space in an environment, a radiation source coupled to the lawn mowing robot, a detector coupled to the lawn mowing robot and configured to dete
A location estimation system for use with an autonomous lawn mowing robot, comprises a plurality of synthetic surfaces positioned with respect to a mowable space in an environment, a radiation source coupled to the lawn mowing robot, a detector coupled to the lawn mowing robot and configured to detect radiation reflected by objects in the environment, and a controller configured to controllably direct radiation from the radiation source to scan the environment, and to vary at least one of an output power of the directed radiation and a scan rate of the directed radiation, as a function of detected radiation reflected from one or more of the synthetic surfaces.
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1. A location estimation system for use with an autonomous lawn mowing robot, the system comprising: a plurality of synthetic surfaces positioned with respect to a mowable space in an environment;a radiation source coupled to the lawn mowing robot;a detector coupled to the lawn mowing robot and conf
1. A location estimation system for use with an autonomous lawn mowing robot, the system comprising: a plurality of synthetic surfaces positioned with respect to a mowable space in an environment;a radiation source coupled to the lawn mowing robot;a detector coupled to the lawn mowing robot and configured to detect radiation reflected by objects in the environment; anda controller configured to controllably direct radiation from the radiation source to scan the environment and vary a scan rate of the directed radiation as a function of detected radiation reflected from one or more of the synthetic surfaces;wherein the controller is further configured to direct the radiation source to make a first scan of the environment at a first scan rate and wherein a modulator coupled to the radiation source and configured to modulate radiation emitted from the radiation source is configured to direct the radiation source to make a second scan of the environment, a limited portion of the second scan performed at a second scan rate different from the first scan rate. 2. The location estimation system of claim 1, wherein the controller is configured to vary a spin rate of the radiation source. 3. The location estimation system of claim 1, wherein the controller is configured to direct the modulator to vary the output power of the radiation source in response to detection of reflected radiation. 4. The location estimation system of claim 1, wherein the controller is configured to direct the modulator to vary a beam focus of the radiation source in response to detection of reflected radiation. 5. The location estimation system of claim 1, comprising a rotational scanner that directs radiation from the radiation source to scan the environment. 6. The location estimation system of claim 1, wherein the controller is further configured to compare data indicative of detected reflected radiation to stored data, and to identify the detected radiation as radiation reflected from a particular object associated with the stored data. 7. The location estimation system of claim 6, wherein the particular object is one of the synthetic surfaces. 8. The location estimation system of claim 1, wherein the controller is configured to direct the radiation source to make a second scan of the environment at a second scan rate different from the first scan rate. 9. The location estimation system of claim 1, wherein the detector is a first detector and wherein the system further comprises a second detector configured to a different wavelength responsiveness than the first detector. 10. The location estimation system of claim 1, wherein the radiation source is a laser. 11. The location estimation system of claim 10, wherein the radiation is emitted across a distributed plane. 12. The location estimation system of claim 11, wherein the plane extends at 45 degrees to a surface supporting the autonomous lawn mowing robot. 13. The location estimation system of claim 1, wherein the controller is configured to modulate the output power of the radiation source. 14. A location estimation system for use with an autonomous lawn mowing robot, the system comprising: a plurality of synthetic surfaces positioned with respect to a mowable space in an environment;a radiation source coupled to the lawn mowing robot;a detector coupled to the lawn mowing robot and configured to detect radiation reflected by objects in the environment;a controller configured to controllably direct radiation from the radiation source to scan the environment and vary an output power of the directed radiation as a function of detected radiation reflected from one or more of the synthetic surfaces; anda modulator coupled to the radiation source and configured to modulate radiation emitted from the radiation source;wherein the controller is configured to direct the modulator to vary a beam focus of the radiation source in response to detection of reflected radiation. 15. The location estimation system of claim 14, wherein the controller is configured to direct the modulator to vary the output power of the radiation source in response to detection of reflected radiation. 16. The location estimation system of claim 14, wherein the controller is configured to modulate the output power of the radiation source to a higher power in response to a detection of reflected radiation below a specific threshold. 17. The location estimation system of claim 14, wherein the radiation source is a laser. 18. The location estimation system of claim 14, wherein the controller is configured to direct the modulator to vary a range of the radiation source. 19. A location estimation system for use with an autonomous lawn mowing robot, the system comprising: a plurality of synthetic surfaces positioned with respect to a mowable space in an environment;a radiation source coupled to the lawn mowing robot;a detector coupled to the lawn mowing robot and configured to detect radiation reflected by objects in the environment;a controller configured to controllably direct radiation from the radiation source to scan the environment and vary a scan rate of the directed radiation as a function of detected radiation reflected from one or more of the synthetic surfaces; anda modulator coupled to the radiation source and configured to modulate radiation emitted from the radiation source;wherein the controller is further configured to direct the radiation source to make a first scan of the environment at a first scan rate, wherein the modulator is configured to direct the radiation source to make a second scan of the environment, a limited portion of the second scan is performed at a second scan rate different from the first scan rate, and wherein the controller is further configured to vary a spin rate of the radiation source and alternate between a faster spin rate and a slower spin rate after a set number of rotations. 20. The location estimation system of claim 19, wherein the controller is further configured to use the slower spin rate for tuning a pose of the autonomous lawn mowing robot and the faster spin rate for tracking movement of the autonomous lawn mowing robot. 21. The location estimation system of claim 19, wherein the controller is further configured to store at least a portion of a radiation signature of the environment generated based on the first scan of the environment and the second scan of the environment and a pose of the autonomous lawn mowing robot. 22. The location estimation system of claim 21, wherein the controller is further configured to position the autonomous lawn mowing robot by matching a current travel path scan with a stored travel path scan generated based on the stored portion of the radiation signature of the environment. 23. The location estimation system of claim 21, wherein the controller is further configured to triangulate a position of the autonomous lawn mowing robot based on an identification of signals matching the radiation signature of the environment. 24. The location estimation system of claim 19, wherein the controller is configured to vary a spin rate of the radiation source. 25. The location estimation system of claim 19, wherein the controller is configured to direct the modulator to vary the output power of the radiation source in response to detection of reflected radiation. 26. The location estimation system of claim 19, wherein the controller is configured to direct the modulator to vary a beam focus of the radiation source in response to detection of reflected radiation. 27. The location estimation system of claim 19, wherein the radiation source is a laser. 28. The location estimation system of claim 19, wherein the controller is configured to direct the modulator to increase the output power of the radiation source during the second scan of the environment and to slow the second scan rate down with respect to the first scan rate.
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