An adaptable handling system featuring a boundary subsystem and one or more robots. Each robot typically includes a chassis, a container lift mechanism moveable with respect to the robot chassis for transporting at least one container, a drive subsystem for maneuvering the chassis, a boundary sensin
An adaptable handling system featuring a boundary subsystem and one or more robots. Each robot typically includes a chassis, a container lift mechanism moveable with respect to the robot chassis for transporting at least one container, a drive subsystem for maneuvering the chassis, a boundary sensing subsystem, a container detection subsystem, and a controller. The controller is responsive to the boundary sensing subsystem and the container detection subsystem and is configured to control the drive subsystem to follow a boundary once intercepted until a container is detected and turn until another container is detected. The controller then controls the container lift mechanism to place a transported container proximate the second detected container.
대표청구항▼
1. An adaptable container handling system comprising: a boundary subsystem; andone or more of robots each including: a chassis,a container lift mechanism moveable with respect to the robot chassis for transporting at least one container,a drive subsystem for maneuvering the chassis,a boundary sensin
1. An adaptable container handling system comprising: a boundary subsystem; andone or more of robots each including: a chassis,a container lift mechanism moveable with respect to the robot chassis for transporting at least one container,a drive subsystem for maneuvering the chassis,a boundary sensing subsystem,a container detection subsystem, anda controller receiving outputs from and being responsive to the boundary sensing subsystem and the container detection subsystem, said controller comprising one or more processors programmed with logic instructions, which when executed by the one or more processors, cause the one or more processors to: control the drive subsystem to follow a boundary once intercepted until a container is detected and turn until another container is detected, andcontrol the container lift mechanism to place a transported container proximate the second detected container. 2. The system of claim 1 in which the controller is further configured to control the drive subsystem to return the robot to a prescribed container source location. 3. The system of claim 1 in which the controller is further configured to control the container lift mechanism to retrieve another container at the source location. 4. The system of claim 2 further including a transmitting beacon located at the source location transmitting a signal and each robot further includes a receiver for receiving the transmitted beacon signal. 5. The system of claim 1 in which the boundary subsystem includes reflective tape. 6. The system of claim 5 in which the reflective tape includes non-reflective portions denoting distance. 7. The system of claim 5 in which the boundary sensing subsystem includes at least one infrared emitter and at least one infrared detector. 8. The system of claim 1 in which the container detection subsystem includes a linear array of infrared emitters and infrared detectors. 9. The system of claim 1 in which the container detection subsystem includes a camera based subsystem. 10. The system of claim 9 in which the camera based subsystem includes a laser source which emits a beam intersecting a field of view of a camera between xmin and xmax. 11. The system of claim 10 in which the container detection subsystem determines a distance between the robot and a container as a function of an angle of the beam. 12. The system of claim 10 in which the camera is mounted such that pixels are read out as columns rather than rows. 13. The system of claim 12 in which the beam is turned off between read outs of adjacent columns and laser off columns are subtracted from laser on columns. 14. The system of claim 1 in which the container detection subsystem includes a system configured to detect if a container is present in said container lift mechanism. 15. The system of claim 1 in which the container detection subsystem includes an infrared source and an infrared detector. 16. The system of claim 1 in which the drive subsystem includes a pair of driven wheels one on each side of the chassis. 17. The system of claim 1 in which the container lift mechanism includes: a rotatable yoke,a pair of spaced forks extending from the yoke for grasping a container, anda drive train driven in one direction to rotate the yoke to simultaneously extend and lower the forks and driven in the opposite direction to simultaneously retract and raise the forks. 18. The system of claim 17 in which the drive train includes: a first sprocket rotatable with respect to the yoke,a second sprocket rotatable with respect to the chassis, anda moving link associated with the yoke interconnecting the first and second sprockets. 19. The system of claim 18 further including means for driving the second sprocket. 20. The system of claim 19 in which said means includes: a motor driving a gearbox,a driver sprocket driven by the gearbox, anda third sprocket driven by the driver sprocket and fixed to the second sprocket. 21. The system of claim 18 in which a fork extends from the moving link. 22. The system of claim 1 further including a forward skid plate mounted to the robot chassis. 23. The system of claim 1 further including a user interface and the controller is responsive to the user interface. 24. The system of claim 23 in which the user interface includes an input for setting a width of a bed. 25. The system of claim 23 in which the user interface includes an input for setting a desired container spacing. 26. The system of claim 23 in which the user interface includes an input for setting a desired spacing pattern. 27. The system of claim 23 in which the user interface includes an input for setting a desired container diameter. 28. The system of claim 1 in which the controller is further configured to detect a container/boundary condition and to operate the drive subsystem and the container lift mechanism in response based on the condition. 29. The system of claim 28 in which a first condition is no containers are detected before three boundaries are detected. 30. The system of claim 29 in which a response to the first condition is to locate the third boundary or obstruction and place a transported container proximate the boundary or obstruction to place the first container in the first row. 31. The system of claim 28 in which a second condition is no container is detected before two boundaries are detected. 32. The system of claim 31 in which a response to the second condition is to follow the second boundary, detect a container, and place a transported container proximate the detected container to fill the first row with containers. 33. The system of claim 28 in which a third condition is a first boundary is followed, a container is detected, the robot turns, but no additional containers are detected before a second boundary or obstacle is detected. 34. The system of claim 33 in which a response to the third condition is to place a transported container proximate the second boundary or obstruction to fill a row with its first container. 35. An adaptable plant container handling robot comprising: a chassis;a container lift mechanism moveable with respect to the robot chassis for retrieving at least one container in a field at a first location;a drive subsystem for maneuvering the chassis to transport the container to a second location;a boundary sensing subsystem;a container detection subsystem; anda controller receiving outputs from and being responsive to the boundary sensing subsystem and the container detection subsystem, said controller comprising one or more processors programmed with logic instructions, which when executed by the one or more processors, cause the one or more processors to: control the drive subsystem to follow a boundary once intercepted until a container at the second location is detected and turn until another container is detected, andcontrol the container lift mechanism to place a transported container proximate the second detected container. 36. The robot of claim 35 in which the controller is further configured to control the drive subsystem to return the robot to the first location. 37. An adaptable object handling system comprising: a boundary subsystem; andone or more of robots each including: a chassis,a lift mechanism moveable with respect to the robot chassis for transporting at least one object,a drive subsystem for maneuvering the chassis,a boundary sensing subsystem,an object detection subsystem, anda controller receiving outputs from and being responsive to the boundary sensing subsystem and the object detection subsystem, said controller comprising one or more processors programmed with logic instructions, which when executed by the one or more processors, cause the one or more processors to: control the drive subsystem to follow a boundary once intercepted until an object is detected and turn until another object is detected, andcontrol the lift mechanism to place a transported object proximate the second detected object. 38. An automated method of depositing containers in given locations using a robot having a chassis, a container lift mechanism moveable relative to the chassis for transporting at least one container, a drive subsystem for maneuvering the chassis, a boundary sensing subsystem, a container detection subsystem, and a controller, the method, implemented in one or more processors of the controller, comprising the steps of: controlling the drive subsystem to follow a boundary once intercepted until a container is detected and turn until another container is detected; andcontrolling the container lift mechanism to place a transported container proximate the second detected container. 39. The method of claim 38 further comprising controlling the drive subsystem to return the robot to a given container source location. 40. The method of claim 39 further comprising controlling the container lift mechanism to retrieve another container at the container source location. 41. The method of claim 38 in which the container detection subsystem includes a camera based subsystem. 42. The method of claim 41 wherein the camera based subsystem includes a laser source which emits a beam intersecting a field of view of a camera between xmin and xmax. 43. The method of claim 38 further comprising detecting a container or boundary condition and operating the drive subsystem and the container lift mechanism in response to the condition. 44. The method of claim 43 wherein the condition is that no containers are detected before three boundaries are detected. 45. The method of claim 44 further comprising locating a third boundary or obstruction and placing a transported container proximate the third boundary or obstruction to place a first container in a first row. 46. The method of claim 43 wherein the condition is that no container is detected before two boundaries are detected. 47. The method of claim 46 further comprising following a second boundary, detecting a container, and placing a transported container proximate the detected container to fill a first row with containers. 48. The method of claim 43 wherein the condition is that a first boundary is followed, a container is detected, and after the robot turns, no additional containers are detected before a second boundary or obstacle is detected. 49. The method of claim 48 further comprising placing a transported container proximate the second boundary or obstruction to fill a row with its first container.
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