A walking beam assembly includes a support beam and a mount member configured to mount the support beam on a vehicle chassis. Furthermore, the assembly includes a gear assembly that is supported proximate an end of the support beam. The gear assembly includes a gear train and a gear housing. The gear train is operably coupled to a wheel hub. The gear housing substantially encloses the gear train. Moreover, the walking beam assembly includes an input drive assembly with at least one movable part configured to deliver an input torque from the vehicle engine to the gear train. The input drive assembly includes an input drive housing that substantially encloses the at least one movable part. The input drive housing is attached to the gear housing such that an interior of the input drive housing is in fluid communication an interior of the gear housing.

A system includes an inspection robot comprising a plurality of sensor sleds; a plurality of ultra-sonic (UT) sensors; a couplant chamber mounted to each of the plurality of sleds, each couplant chamber comprising: a cone, the cone comprising a cone tip portion at an inspection surface end of the cone; a sensor mounting end opposite the cone tip portion; a couplant entry fluidly coupled to the cone at a position between the cone tip portion and the sensor mounting end; and wherein each of the UT sensors is mounted to the sensor mounting end of one of the couplant chambers.

A system includes an inspection robot having a plurality of input sensors comprising a plurality of magnetic induction sensors and configured to provide inspection data of an inspection surface, wherein the inspection data comprises electromagnetic (EM) induction data, and wherein the plurality of input sensors are distributed horizontally relative to the inspection surface; wherein at least a portion of the inspection surface comprises a ferrous substrate having a non-ferrous coating thereupon; a controller, comprising: an EM data circuit structured to interpret the EM induction data, and to determine a substrate distance value in response to the EM induction data; and a thickness processing circuit structured to determine a thickness value in response to the EM induction data, the thickness value comprising a thickness of the non-ferrous coating.

A system includes an inspection robot comprising a lead inspection sensor providing lead inspection data, and a trailing inspection sensor; a controller, comprising: an inspection data circuit structured to interpret the lead inspection data; a sensor configuration circuit structured to determine a trailing sensor configuration change for the trailing inspection sensor in response to the lead inspection data; and a sensor operation circuit structured to adjust a trailing sensor configuration for the trailing inspection sensor in response to the trailing sensor configuration change.

A system includes an inspection robot having a plurality of input sensors, the plurality of input sensors distributed horizontally relative to an inspection surface and configured to provide inspection data of the inspection surface at selected horizontal positions; a controller, comprising: a position definition circuit structured to determine an inspection robot position of the inspection robot on the inspection surface; a data positioning circuit structured to interpret the inspection data, and to correlate the inspection data to the inspection robot position on the inspection surface; and wherein the data positioning circuit is further structured to determine position informed inspection data in response to the correlating of the inspection data with the inspection robot position.

A system includes an inspection robot having mounted sleds, and a number of sensors each mounted to a sled. A couplant chamber is disposed within at least two of the sleds, each couplant chamber between a transducer of the sensor and an inspection surface. Each couplant chamber includes a cone, the cone having a cone tip portion at an inspection surface end, and a senor mounting end opposite the cone tip portion. A couplant entry for each couplant chamber is at a vertically upper side of the cone in the intended orientation of the inspection robot on the inspection surface.

A system includes an inspection robot having a number of payloads, a number of arms mounted to the payloads, and a number of sleds mounted to the arms, where the sleds comprise an upper portion coupled to a replaceable lower portion, the replaceable lower portion having a bottom surface shaped to accommodate an inspection surface; and an inspection sensor coupled to the upper portion of the one of the plurality of sleds such that the sensor is operationally couplable to the inspection surface.

A system includes an inspection robot for performing an inspection on an inspection surface with an inspection robot, the apparatus comprising a position definition circuit structured to determine an inspection robot position on the inspection surface; a data positioning circuit structured to interpret inspection data, and to correlate the inspection data to the inspection robot position on the inspection surface; and wherein the data positioning circuit is further structured to determine position informed inspection data in response to the correlating of the inspection data with the inspection robot position.

A system includes an inspection robot having a plurality of acoustic sensors coupleable to an inspection surface through a couplant chamber defining a delay line therebetween; the plurality of acoustic sensors configured to provide raw acoustic data; a controller, comprising: an acoustic data circuit structured to interpret the raw acoustic data; a thickness processing circuit structured to determine a primary mode value and a primary mode score value in response to the raw acoustic data; and wherein the thickness processing circuit is further structured to determine a thickness value in response to the primary mode value and the primary mode score value.

A system includes an apparatus for performing an inspection on an inspection surface with an inspection robot, the apparatus comprising: a controller configured to: interpret inspection data comprising sensed information from a location on an inspection surface; determine a feature of interest is present at the location of the inspection surface in response to the inspection data, and in response to determining the feature of interest is present at the location of the inspection surface, capture image information from the location on the inspection surface, and correlate the captured image information with the inspection data corresponding to the location of the inspection surface.