Abstract: According to one embodiment, an information processing apparatus includes a processor. The processor is configured to receive, from a client terminal, a first query to request a result of a join operation process on first and second tables, create a second query to a first database management device based on the first query, receive the first table from the first database management device by performing a process on the second query, create a third query to a second database management device based on the first query and the first table, receive a part of a second table from the second database management device by performing a process on the third query, and transmit, to the client terminal, a response to the first query based on the part of the second table.

Abstract: Provided is a long arm supported in a cantilever manner with light weight and high rigidity. The rod 30 is formed from rods 31-33 so as to be a multi-stage telescopic configuration. The rods 32, 33 respectively have upright columns 42, 43 on the tips. The wire 11 is suspended between the tip of the rod 31 and the lead end of the arm via the top of the column 42. The wire 12 is suspended between the base of the column 42 and the lead end of the arm via the top of the column 42. The wire 22 is suspended between the top of the column 42 and the lead end of the arm via the top of the column 43. The tension generation means 50 pulls the wires 10, 20. The air pressure generation means 60 applies pressure to the inside of the rod 30.

Abstract: According to one embodiment, an information processing apparatus includes a processor. The processor is configured to receive, from a client terminal, a first query to request a result of a join operation process on first and second tables, create a second query to a first database management device based on the first query, receive the first table from the first database management device by performing a process on the second query, create a third query to a second database management device based on the first query and the first table, receive a part of a second table from the second database management device by performing a process on the third query, and transmit, to the client terminal, a response to the first query based on the part of the second table.

Abstract: A winding device provided with an inlet for drawing a string-shaped winding target member and configured to wind the winding target member includes: a drum having flanges at both end portions of a body in an axial direction thereof and provided rotatably about the an axis of the body,; a drive source configured to rotate the drum, a first guide portion configured to draw the winding target member along a first axis arranged substantially perpendicularly to the axis of the body in a skew relationship, a swing member provided swingably about the first axis, and a second guide portion attached to a tip end of the swing member to guide the winding target member from the first guide portion to the drum.

Abstract: An in-pipe moving apparatus that can freely and smoothly move in a pipe having a bent portion and a branching portion, is not stuck in the pipe even if a drive motor of a movement mechanism fails or otherwise experiences a problem, and can be readily taken out of the pipe. The in-pipe moving apparatus includes two sets of wheel-based traveling elements (2A) and (2B), which each have two driving wheels (8A) and (8B) linearly arranged, and a variable bag, which is expanded and contracted in accordance with the pressure of a fluid supplied to the variable bag, and the two sets of wheel-based traveling elements (2A) and (2B) are so disposed as to sandwich the variable bag (3) and are fixed to the outer surface of the variable bag (3).

Abstract: A database server includes a database manager and a synchronization processing unit. When the database server is in a first state in which the database server receives requests from a client, the database manager updates a database in accordance with a request from the client and registers both update data for causing another database server included in the plurality of database servers to update a database of the other database server and management information of the update data for each data management unit in a memory on the basis of the request. When the database server is in the first state, the synchronization processing unit transmits the update data registered in the memory to the other database.

Abstract: A database server includes a database manager and a synchronization processing unit. When the database server is in a first state in which the database server receives requests from a client, the database manager updates a database in accordance with a request from the client and registers both update data for causing another database server included in the plurality of database servers to update a database of the other database server and management information of the update data for each data management unit in a memory on the basis of the request. When the database server is in the first state, the synchronization processing unit transmits the update data registered in the memory to the other database.

Abstract: This disclosure provides systems and methods for in situ gap inspection in a machine, such as a generator, an electric motor, or a turbomachine, with an end region. A robotic crawler is configured to navigate an annular gap of the machine. A visual inspection module is connected to the robotic crawler and includes an extension member for extending a camera into the end region to collect visual inspection data.

Abstract: This disclosure provides systems and methods for an actuated sensor module for in situ gap inspection robots. A mounting interface attaches to the sensor module to the robot system. A least one arm is operatively connected to the mounting interface and has a joint. A sensor head is operatively connected to the arm at the joint and an actuator operatively connected to the arm moves the sensor head around the second joint.

Abstract: According to one embodiment, a database management apparatus capable of operating as one of a plurality of servers constituting a distributed database in a tree structure includes a processor configured to manage server information of an own server and a subordinate server, analyze an input query, and decide a table used for the query, determine a generation number of query executing modules configured to execute the query, based on the server information of the own server and the subordinate server, and divide the query according to the generation number if a plurality of query executing modules is generated for a subordinate server and accumulate a result of the query executed by the query executing modules of the determined generation number.

Abstract: Systems and methods for in situ gap inspection in a machine, such as a generator, an electric motor, or a turbomachine are described. A robotic crawler has multidirectional traction modules, an expandable body, and sensor modules. A control system communicates with the robotic crawler to provide a control signal to navigate an inspection path within an annular gap of the machine. The inspection path includes axial and radial movements to inspect the annular gap using the sensor modules.

Abstract: This disclosure provides systems and methods for in situ gap inspection in a machine, such as a generator, an electric motor, or a turbomachine. A robotic crawler includes an expandable body, multidirectional traction modules, and sensor modules. The expandable body is movable between a collapsed state and an expanded state. The multidirectional traction modules are removably connected to and positioned by the expandable body and configured to engage opposed surfaces within an annular gap of the machine. The sensor modules are removably connected to and supported by the expandable body and include a plurality of sensor types to inspect the annular gap of the machine.

Abstract: This disclosure provides systems and components for an omnidirectional traction module for use in a robot, such as a crawler robot used in in situ gap inspection in a machine, such as a generator, an electric motor, or a turbomachine. The traction module may include an outer frame and a rotating frame rotatably mounted within the outer frame. At least one drive system may be mounted within the rotating frame. The at least one dive system may have a fixed orientation within the rotating frame. An actuator may be operatively connected to the rotating frame to controllably rotate the rotating frame to a desired orientation for robot travel.

Abstract: An object of the invention is to provide an in-pipe moving apparatus that can freely and smoothly move in a pipe having a bent portion and a branching portion, is not stuck in the pipe even if a drive motor of a movement mechanism fails or otherwise experiences a problem, and can be readily taken out of the pipe. The in-pipe moving apparatus includes two sets of wheel-based traveling elements 2 A and 2B, which each have two driving wheels 8A and 8B linearly arranged, and a variable bag 3, which is expanded and contracted in accordance with the pressure of a fluid supplied to the variable bag, and the two sets of wheel-based traveling elements 2A and 2B are so disposed as to sandwich the variable bag 3 and are fixed to the outer surface of the variable bag 3.

Abstract: The present apparatus is configured to carry an instrument or probe and optionally deploy it against a surface, such as a metal pipeline or storage tank. The apparatus can include a sensor probe for inspecting the integrity of the surface and a first linkage that is operatively coupled to the sensor probe and configured to move the sensor probe according to a first path (in a first direction/first degree of freedom). An actuator can be operatively connected to the first linkage for moving the first linkage so as to move the sensor probe along the first path. A second linkage is operatively connected to the sensor probe and configured to passively move the sensor probe according to a second degree of freedom to cause the sensor probe to become normal to the surface when at least a portion of the apparatus contacts the surface.

Abstract: A multidirectional wheel for traversing a surface is provided that includes a magnet and a plurality of rollers disposed around an outer periphery of each of the hubs of the wheels. The rollers are mounted for rotation in a second axial direction that is perpendicular to a first axial direction of the wheel. The rollers are supported by a plurality of magnetically-inducible brackets attached to the hub. The brackets are optimally sized and shaped to reduce the space between the magnetized materials of the wheel and the surface upon which the wheel travels.

Abstract: This disclosure provides systems and methods for in situ gap inspection in a machine, such as a generator, an electric motor, or a turbomachine. A robotic crawler has multidirectional traction modules, an expandable body, and sensor modules. A control system communicates with the robotic crawler to provide a control signal to navigate an inspection path within an annular gap of the machine. The inspection path includes axial and radial movements to inspect the annular gap using the sensor modules.

Abstract: This disclosure provides systems and methods for an actuated sensor module for in situ gap inspection robots. A mounting interface attaches to the sensor module to the robot system. A least one arm is operatively connected to the mounting interface and has a joint. A sensor head is operatively connected to the arm at the joint and an actuator operatively connected to the arm moves the sensor head around the second joint.

Abstract: This disclosure provides systems and methods for in situ gap inspection in a machine, such as a generator, an electric motor, or a turbomachine, with an end region. A robotic crawler is configured to navigate an annular gap of the machine. A visual inspection module is connected to the robotic crawler and includes an extension member for extending a camera into the end region to collect visual inspection data.

Abstract: This disclosure provides systems and methods for in situ gap inspection in a machine, such as a generator, an electric motor, or a turbomachine. A robotic crawler includes an expandable body, multidirectional traction modules, and sensor modules. The expandable body is movable between a collapsed state and an expanded state. The multidirectional traction modules are removably connected to and positioned by the expandable body and configured to engage opposed surfaces within an annular gap of the machine. The sensor modules are removably connected to and supported by the expandable body and include a plurality of sensor types to inspect the annular gap of the machine.