Sensor positioning system
A sensor positioning system, includes an actuation server for communicating with components of the sensor positioning system. The sensor positioning system additionally includes a first actuation system and a second actuation system, wherein each actuation system includes a pulley system for maneuvering an underwater sensor system. The sensor positioning system includes a dual point attachment bracket that connects through a first line to the first actuation system and connecting through a second line to the second actuation system. The underwater sensor system is affixed to the first pulley system, the second pulley system, and the dual attachment bracket through the first line and the second line.
1. A method performed by one or more processing devices, the method comprising:
receiving, by the one or more processing devices, data indicating an activity to be performed by a movable underwater sensor system in an aquatic structure;
obtaining, by the one or more processing devices, (i) winch commands for moving the underwater sensor system into a position in the aquatic structure to perform the activity and (ii) instructions for the underwater sensor system to perform a measurement associated with the activity;
transmitting, by the one or more processing devices, the winch commands to a winch to move one or more lines coupled to the underwater sensor system to maneuver the underwater sensor system to the position to perform the activity; and
after the underwater sensor system has reached the position to perform the activity, transmitting, by the one or more processing devices, the instructions for the underwater sensor system to perform the measurement associated with the activity.
2. The method of claim 1 , wherein the one or more processing devices are configured to adjust the position of the underwater sensor system using closed-loop feedback.
3. The method of claim 1 , wherein the position for the underwater sensor system to perform the activity is based on output of a machine learning model.
4. The method of claim 1 , wherein obtaining the winch commands comprises verifying that the winch command can be validly executed based on parameters of the movable underwater sensor system.
5. The method of claim 1 , wherein obtaining the winch commands comprises determining depth measurements based on input from an absolute pressure sensor, a sonar sensor, a laser range finder, a water temperature sensor, or an ambient light level sensor.
6. The method of claim 1 , wherein obtaining the winch commands comprises determining distance measurements with respect to an element of the aquatic structure based on input from a sonar sensor, a laser range finder, or 3-D reconstruction from images from a stereo camera system.
7. The method of claim 1 , wherein obtaining the winch commands comprises determining line tension measurements based on input from a load cell, a motor torque sensor, a motor current sensor.
8. The method of claim 1 , wherein obtaining the winch commands comprises determining line length estimates based on (i) a rotational position of motors determined using an encoder, resolver, or hall effect sensor, (ii) an angular position sensor, or (iii) a mechanism for measuring active diameter of spools as line is fed in and out.
9. The method of claim 1 , wherein obtaining the winch commands comprises obtaining commands for each of at least two motorized pulley systems that independently maneuver one or more lines that are coupled to the underwater sensor system.
10. The method of claim 1 , wherein the instructions for the underwater sensor system include instructions to operate a pan motor atop the underwater sensor system.
11. The method of claim 1 , wherein the activity is automatically determined based on images that were previously generated by the underwater sensor system.
12. The method of claim 1 , wherein the underwater sensor system comprises a stereo camera.
13. The method of claim 1 , wherein the activity is automatically determined based on a pre-programmed schedule of activities that are to be performed by the underwater sensor system.
14. The method of claim 1 , wherein the winch commands specify coordinates within the aquatic structure.
15. The method of claim 1 , wherein the winch commands specify rotational amounts.
16. The method of claim 1 , wherein the winch commands specify a series of waypoints and times associated with each waypoint.
17. The method of claim 1 , comprising:
detecting a fault; and
transmitting additional winch commands the winch to move the one or more lines coupled to the underwater sensor system to maneuver the underwater sensor system to a predetermined location.
18. The method of claim 1 , wherein the winch commands are obtained based at least in part on current position data sent by the winch to the one or more processing devices.
19. A system comprising:
one or more processors; and
one or more non-transitory computer-readable media storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations comprising:
receiving data indicating an activity to be performed by a movable underwater sensor system in an aquatic structure;
obtaining (i) winch commands for moving the underwater sensor system into a position in the aquatic structure to perform the activity and (ii) instructions for the underwater sensor system to perform a measurement associated with the activity;
transmitting the winch commands to a winch to move one or more lines coupled to the underwater sensor system to maneuver the underwater sensor system to the position to perform the activity; and
after the underwater sensor system has reached the position to perform the activity, transmitting the instructions for the underwater sensor system to perform the measurement associated with the activity.
20. One or more non-transitory computer-readable media storing instructions that, when executed by one or more processors, cause the one or more processors to perform operations comprising:
receiving data indicating an activity to be performed by a movable underwater sensor system in an aquatic structure;
obtaining (i) winch commands for moving the underwater sensor system into a position in the aquatic structure to perform the activity and (ii) instructions for the underwater sensor system to perform a measurement associated with the activity;
transmitting the winch commands to a winch to move one or more lines coupled to the underwater sensor system to maneuver the underwater sensor system to the position to perform the activity; and
after the underwater sensor system has reached the position to perform the activity, transmitting the instructions for the underwater sensor system to perform the measurement associated with the activity.