Abstract: A robotic system is disclosed to control multiple robots to cooperatively load/unload a truck or other container. In various embodiments, image data is received and used to control a first robotic arm and a second robotic arm to load or unload objects into or from the truck or other container, including by loading or unloading one or more of the objects using the first robotic arm and the second robotic arm together to cooperatively to grasp and move each of one or more of the objects along a corresponding trajectory.

Abstract: A robotic system to control multiple robots to perform a task cooperatively is disclosed. A first robot determines to perform a task cooperatively with a second robot, moves independently to a first grasp position to grasp an object associated with the task, receives an indication that the second robot is prepared to perform the task cooperatively, and moves the object independently of the second robot in a leader mode along a trajectory determined by the first robot. The second robot assists the first robot in performing the task cooperatively, at least in part by moving independently to a second grasp position, grasping the object, and cooperating with the first robot to move the object, at least in part by operating in a follower mode of operation to maintain engagement with the object as the first robot moves the object along the trajectory.

Abstract: The present application discloses a robotic stack pusher system, and a method and a computer system for controlling the robotic stack pusher system. The robotic stack pusher system includes an actuation device and a plurality of pusher structures that are substantially planar. At least one of the plurality of pusher structures is nested within one or more other pusher structures of the plurality of pusher structures. The actuation device is the actuation device is operatively coupled to at least one of the plurality of pusher structures. The actuation device is configured to actuate a position of the plurality of pusher structures between a retracted state and an extended state in response to a control signal.

Abstract: The present application discloses a robotic modular stack mover system, and a method and a computer system for controlling the robotic modular pusher system. The robotic modular stack mover system includes a first stack mover system configured to cause a vehicle to traverse a first path and a second stack mover system configured to cause the vehicle to traverse a second path. The first stack mover system moves the vehicle along the first path from a source location to a first end location. The vehicle is retrieved from the first end location and the second mover system moves the vehicle along the second path to a destination location.

Abstract: A stack containment fixture is disclosed. The stack containment fixture includes an insertion zone structure including an insertion zone structure and a kitting area structure. The insertion zone structure includes a pair of substantially vertically oriented deflecting arms. each having one or more funnels configured to guide a stack into a position between the deflecting arms as the stack is lowered into the insertion zone structure from above. The kitting area structure is configured to support the vehicle or the stack during kitting operations for items being placed in the vehicle or stack or for items being picked from the vehicle or stack.

Abstract: The present application discloses a robotic control system, and a method and a computer system for controlling a robot. The robotic control system includes a memory and one or more processors coupled to the memory. The memory is configured to store configured to store a model of a robot having a plurality of axes of control including at least a linear axis and one or more rotational axes. The one or more processors are configured to use the model to control the robot to perform a task, including by sending to the robot a set of control signals to cause the robot to move with respect to two or more of said axes of control including at least the linear axis.

Abstract: The present application discloses a robotic control system, and a method and a computer system for controlling a robot. The robotic control system includes a memory and one or more processors coupled to the memory. The memory is configured to store configured to store a model of a robot having a plurality of axes of control including at least a linear axis and one or more rotational axes. The one or more processors are configured to use the model to control the robot to perform a task, including by sending to the robot a set of control signals to cause the robot to move with respect to two or more of said axes of control including at least the linear axis.

Abstract: A method and system for obtaining an identifier from an item is disclosed. The method includes autonomously operate a robotic structure to move an item along a predetermined path from a source location to a destination location, and autonomously operating the robotic structure to place the item at the destination location based at least in part on the plan. The item comprises one or more identifiers, and in response to a determination that at least one of the one or more identifiers was not obtained by one or more sensors, an active measure is performed to cause the one or more sensors to obtain the at least one identifier that was not obtained. The predetermined path corresponds to a path along which the item is moved from the source location to the destination location. The predetermined path is planned so that the item is moved within a threshold range of the one or more sensors while the item is moved along the predetermined path.

Abstract: The present application discloses a robotic control system, and a method and a computer system for controlling a robot. The robotic control system includes a memory and one or more processors coupled to the memory. The memory is configured to store configured to store a model of a robot having a plurality of axes of control including at least a linear axis and one or more rotational axes. The one or more processors are configured to use the model to control the robot to perform a task, including by sending to the robot a set of control signals to cause the robot to move with respect to two or more of said axes of control including at least the linear axis.

Abstract: Tissue processing techniques are described involving association of tissue with a form under pressure to more precisely adapt the crosslinked tissue to the form. Pressure can be applied through holding of the issue on a porous form with suction on the form maintain tight adherence of the tissue on the form. In some embodiments, the tissue on the form is placed with the crosslinking solution in a bag that is then vacuum sealed to have the evacuated bag hold the tissue on the form. Whether or not the tissue is crosslinked on a form, glutaraldehyde can be used for crosslinking in a substantially unpolymerized state to achieve distinct crosslinked tissue properties.

Abstract: A repositionable riser is disclosed. The repositionable riser may be used in connection with a robotic arm deployed in a workspace. In various embodiments, the repositionable riser includes a riser having one or more mounting locations at or near an upper end of the riser configured to fixedly mount an equipment on the riser, a lateral translation subsystem comprising a carriage on which the riser is mounted and a set of one or more elongated structures that define a constrained lateral path along which the carriage is movable, the path including a first end associated with active use of the equipment and a second end not associated with active use of the equipment, and an anchor structure to which one or both of the carriage and the riser are configured to be coupled to secure the riser at the first end.

Abstract: The present application discloses a robotic stack mover system, and a method and a computer system for controlling the robotic stack mover system. The robotic stack mover system includes a driving unit comprising a motor, a drive chain, a tensioning unit that enforces tension of the drive chain, and a guide rail traversing a distance between the driving unit and the tensioning unit. The motor is operatively coupled to the drive chain, and the motor is configured to drive the drive chain when the motor is driven. The guide rail comprises or supports the drive chain. The driving chain comprises a set of pusher units. The pusher units are respectively configured to engage one or more vehicles inserted to the system, and to cause one or more vehicles to traverse a path having a same direction as a longitudinal direction of the guide rail when the driving chain is driven.

Abstract: The present application discloses a mechanism to adjust backlash in a rack and pinion powertrain assembly. The mechanism to adjust backlash includes a mounting frame having an opening defined therein to receive an operative end of a drive assembly, a shoulder fastener positioned through a first complementary set of holes at a first end of a mounting flange to movably couple the mounting flange to the mounting frame, the fastener being fastened in a manner such that the mounting flange and drive assembly have freedom to pivot about a longitudinal axis of the first complementary set of holes, and an adjustable length coupling device having a first end coupled mechanically to the mounting plate and a second end coupled mechanically to the mounting flange at a location substantially opposite the first end of the mounting flange.

Abstract: A robotic line kitting system is disclosed. In various embodiments, data indicating for each of a plurality of operating zones comprising a workspace with which the robotic line kitting system is associated a corresponding safety state information is stored. The data is used to dynamically schedule and perform tasks associated with a higher level objective, including by operating the one or more robotic instrumentalities in one or more operating zones, if any, indicated by said data to currently be available to perform tasks using the one or more robotic instrumentalities and by not operating the one or more robotic instrumentalities in one or more operating zones, if any, indicated by said data to not currently be available to perform tasks using the one or more robotic instrumentalities.

Abstract: A robotic line kitting system is disclosed. In various embodiments, a signal associated with an unsafe condition is received via a communication interface. In response to the signal, a controlled operation to reduce a speed of movement of a robotic instrumentality is performed prior to a safety stop of the robotic instrumentality being triggered.

Abstract: A robotic singulation system is disclosed. In various embodiments, sensor data image including data associated with an item present in a workspace in a workspace is received. The sensor data is used to determine and implement a plan to autonomously operate a robotic structure to move and place the item singly in a corresponding location in a singulation conveyance structure. The plan takes into consideration an attribute of the item determined based at least in part on the sensor data.

Abstract: An end effector is disclosed. The end effector includes a first set of one or more suction cups of a first size having a first diameter, and a second set of one or more suction cups of a second size having a second diameter that is smaller than the first diameter. The end effector further includes a first actuation mechanism configured to apply suction to at least a subset of the first set of suction cups independently of actuation of the second set of suction cups and a second actuation mechanism configured to apply suction to at least a subset of the second set of suction cups independently of actuation of the first set of suction cups.

Abstract: A robotic line kitting system is disclosed. In various embodiments, a sensor reading associated with a force sensor associated with a robotic instrumentality comprising the robotic line kitting system is received. It is determined based at least in part on the sensor reading that a condition requiring human intervention has been detected. A task to be performed by a human worker to correct the condition is scheduled.

Abstract: A multi-mode robotic end effector is disclosed. In various embodiments, a multi-mode robotic end effector includes a first set of structures configured to grasp objects in a first mode of operation; a retraction mechanism configured to retract the first set of structures to a stowed position associated with a second mode of operation in response to a retraction command; and a second set of structures configured to grasp objects in a second mode of operation.

Abstract: A robotic system configured to use a multi-mode end effector is disclosed. In various embodiments, a grasp strategy is determined for a robot to grasp an object in a workspace, wherein the determined grasp strategy is associated with a corresponding one of a plurality of grasping modes of operation of a multi-mode robotic end effector associated with the robot. A command to grasp the object using the multi-mode robotic end effector in the grasping mode of operation associated with the determined grasp strategy is sent to the robot.