System and methods for traversing an obstacle with an inspection robot are disclosed. An example system may include an inspection robot including an obstacle sensor to interrogate an inspection surface. The example may further include an obstacle sensory data circuit to interpret obstacle sensory data provided by the obstacle sensor, an obstacle processing circuit to determine refined obstacle data, and an obstacle notification circuit to generate and provide obstacle notification data to a user interface device. The example system may further include a user interface circuit to interpret a user request value from the user interface device, and to determine an obstacle response command value in response to the user request value; and an obstacle configuration circuit to provide the obstacle response command value to the inspection robot during the interrogating of the inspection surface.

Systems and methods for an inspection robot having replaceable sensor sled portions are disclosed. An example system may include: an inspection robot including a plurality of payloads; a plurality of arms, each of the plurality of arms pivotally mounted to one of the plurality of payloads; and a plurality of sleds, each sled mounted to one of the plurality of arms. At least one of the plurality of sleds includes an upper portion coupled to a replaceable lower portion, where the replaceable lower portion includes a portion of a delay line for a sensor of the inspection robot.

Apparatuses and methods for repairing a defect in a nuclear reactor are provided. The apparatus includes a body for insertion in a tubular structure, the body includes: an end effector having a weld torch operable to deposit weld material by forming molten weld droplets and depositing the weld droplets the tubular structure. A drive unit includes a brace for selectively anchoring against said tubular structure; at least one linear actuator for moving the apparatus relative to the brace; and a rotational actuator coupled to rotate the weld torch. The method includes inserting a repair apparatus into tubular structure of the nuclear reactor; moving the repair apparatus to a defect location; depositing a protective weld layer over the defect by sequentially depositing weld droplets atop a weld pool on the tubular structure, wherein the protective weld layer bonds to the tubular structure surrounding the defect.

A material casting assembly for a pipe lining apparatus, the assembly having a housing mounted onto an extension/retraction arm and containing an impingement block controlled by an impingement valve, and a static auger bounded by a rotating cylinder which defines a mixing path to an extrusion chamber. The rotating cylinder has exit ports through which lining material is expelled from the extrusion chamber onto a pipe wall.

Systems, apparatus and methods for providing an interactive inspection map are disclosed. An example apparatus for providing an interactive inspection map of an inspection surface may include an inspection visualization circuit to provide an inspection map to a user device in response to inspection data provided by a plurality of sensors operationally coupled to an inspection robot traversing the inspection surface, wherein the inspection map corresponds to at least a portion of the inspection surface. The apparatus may further include a user interaction circuit to interpret a user focus value from the user device, and an action request circuit to determine an action in response to the user focus value.

The inspection visualization circuit may further update the inspection map in response to the determined action.

An inspection robot, system and methods are disclosed. An inspection robot may include an inspection chassis and a drive module with magnetic wheels coupled to the inspection chassis. The drive module may further include a motor and a gear box located between the motor and a magnetic wheels. The gear box may include a flex spline cup which interacts with the ring gear, where the ring gear has fewer teeth than the flex spline cup.

An inspection robot, and methods and a controller thereof are disclosed. An inspection robot may include an inspection chassis including a plurality of inspection sensors and coupled to at least one drive module to drive the robot over an inspection surface. The inspection robot may also include a controller including an inspection data circuit to interpret inspection base data, an inspection processing circuit to determine refined inspection data, and an inspection configuration circuit to determine an inspection response value in response to the refined inspection data. The controller may further include an inspection response circuit to, in response to the inspection response value, provide an inspection command value while the inspection robot is interrogating the inspection surface.

Systems and methods for configuring a robot for inspecting an inspection surface are disclosed. An example system may include an inspection robot having a payload coupled to at least two inspection sensors and a controller. The controller may include a route profile processing circuit to interpret route profile data for the inspection robot, a configuration determining circuit to determine one or more configurations for the inspection robot in response to the route profile data; and a configuration processing circuit to provide configuration data in response to the determined one or more configurations, the configuration data defining, at least in part, one or more inspection characteristics for the inspection robot.

Systems, methods, and apparatus for tracking location of an inspection robot are disclosed. An example apparatus for tracking inspection data may include an inspection chassis having a plurality of inspection sensors configured to interrogate an inspection surface, a first drive module and a second drive module, both coupled to the inspection chassis. The first and second drive module may each include a passive encoder wheel and a non-contact sensor positioned in proximity to the passive encoder wheel, wherein the non-contact sensor provides a movement value corresponding to the first passive encoder wheel. An inspection position circuit may determine a relative position of the inspection chassis in response to the movement values from the first and second drive modules.

Inspection robots with a multi-function piston connecting a drive module to a central chassis and systems thereof are disclosed. An example inspection robot may include a center chassis coupled to a payload coupled to at least two inspection sensors. The inspection robot may further include a drive module coupled to the center chassis, the drive module having a drive wheel to engage an inspection surface and a drive piston mechanically interposed between the center chassis and the drive module. The example may further include wherein the drive piston in a first position couples the drive module to the center chassis at a minimum distance between and the drive piston in a second position couples the drive module to the center chassis at a maximum distance between. The example may further include wherein the drive module is independently rotatable relative to the center chassis.