Abstract: A work area setting system includes a first straight line setting part, a second straight line setting part and an area setting part. The first straight line setting part sets a first straight line that is parallel to a motion surface of an attachment in a plan view and passes through a first point at which the tip of an attachment is located with an upper turning body oriented in a first direction. The second straight line setting part sets a second straight line that is parallel to the motion surface in the plan view and passes through a second point at which the tip of the attachment is located with the upper turning body oriented in a second direction different from the first direction. The area setting part sets an area between the first straight line and the second straight line in the plan view as a work area.

Abstract: A diagnostic device for an exhaust gas aftertreatment device includes a temperature detection device that detects a filter inlet-side temperature and a filter outlet-side temperature, a differential pressure detection device that detects a differential pressure between a filter inlet-side pressure and a filter outlet-side pressure, an intake air pressure detection device that detects an intake air pressure of an engine, and a controller that determines a malfunction in an exhaust gas aftertreatment device based on values detected by the temperature detection device, the differential pressure detection device, and the intake air pressure detection device.

Abstract: According to the remote operation system or a remote operation server 20 included in the remote operation system, a “communication resource allocation process” is performed according to the skill or the like of the operator to allocate communication resources to a plurality of remote operation devices 10. When the “environment information control process” is performed, a data amount of environment data is reduced such that a reduction in the information amount of one or a plurality of low environment information factors is greater than the reduction in the information amount of one or a plurality of high environment information factors (meaning the reduction in the information amount of the environment information due to a change in the environment information factor). The environment information control process is performed in different modes according to a difference in an allocation resource.

Abstract: A server causes an information terminal device to display a selection image for allowing an operator to select a desired operation among one or more operations and a desired master device among one or more master devices based on operation request information stored in a first database and master device information stored in a second database. The information terminal device sends to the server a selection instruction of the operator who selects the desired operation and the desired master device via the selection image. The server receives an operation order acceptance of the operator by storing, in an operation plan database, an operator ID, a master device ID and the operation designated by the selection instruction in combination with one another.

Abstract: A controller includes a drive part, a posture information acquisition part, and a control part, the control part calculates a gravity center velocity of a working device on the basis of posture information about the working device detected by the posture information acquisition part and calculates a target gravity center velocity being a target value of the gravity center velocity on the basis of a difference between a grounding work to be exerted to the ground by the working device and a target grounding work, and provides a feedback correction to an instruction signal to make the gravity center velocity approach the target gravity center velocity and inputs the corrected instruction signal into the drive part.

Abstract: Provided is an assembly method for a crane, by which method a crane including a strut can be assembled easily. The assembly method for the crane includes a strut coupling step of coupling a base end of a strut, a cylinder connecting step of extending a cylinder unit having one end supported by the strut, the cylinder unit being capable of extending/contracting, to connect the other end of the cylinder unit to the boom, a strut raising step of causing the cylinder unit to contract to raise the strut, and a strut supporting step of stretching a stretching member, such as a rear side guy line or a luffing cable, between a front end of the strut and a base end of the boom to support the strut in a raised state.

Abstract: It is possible to notify an operator of a change in radio wave intensity in addition to the radio wave intensity received by a remotely operating vehicle. A radio wave is transmitted to and received from a vehicle to operate the vehicle. A communication device 14 includes a display unit 21 configured to display information, in which the display unit 21 is capable of displaying a first image 22 representing first radio wave intensity which is radio wave intensity of a radio wave being currently received by the vehicle, and a second image 32 representing information on a change in the first radio wave intensity.

Abstract: A working machine includes: a lower traveling body; an upper slewing body; a cab; a display device; and a detector. The upper slewing body is slewably mounted on the lower traveling body. The cab is mounted on the upper slewing body. The cab include: a front wall having a front window; a pair of left and right front pillars extending in an up-down direction respectively along left and right sides of the front window; and a pair of left and right side walls extending reward respectively from the left and right front pillars. The display device is disposed in a corner defined between one of the left and right side walls and the front wall in the cab while being fixedly attached to the one side wall or the front wall for displaying predetermined information. The detector is fixedly connected to the display device.

Abstract: A specifying part sets: a first end point which is on a straight line and attributes to a first apex of a plurality of apexes of a frame that is at a first side in a front orthogonal direction and closer to a to-machine side; a second end point which is on the straight line and attributes to a second apex of the plurality of apexes of the frame that is at a second side in the front orthogonal direction and closer to the to-machine side; and a midpoint between the first end point and the second end point. The specifying part determines one of the first end point, the second end point, and the midpoint as a coordinate indicative of a position of an object according to an operation pattern of an operating part.

Abstract: A slewing frame of a work machine and a method of assembling a slewing frame of a work machine where the slewing frame is separable into at least two front and rear members, and an operation of connecting these two members can be easily performed. A slewing frame is separable into a front frame and a rear frame. When a pin fitting portion of a rear frame is fitted on a positioning pin of a front frame, and the rear frame is rotated downward, at a position where a front pin hole and a rear pin hole are aligned with each other, a contact portion of the rear connecting portion is brought into contact with a rotation preventing portion. As a result, a connecting pin can be easily inserted into the front pin hole and the rear pin hole.

Abstract: A controller of a work machine control system stores a plurality of data groups including manipulation ability past data and control parameter past data associated with the manipulation ability past data, determines manipulation ability of an operator, sets a control parameter using operation information that is information including the manipulation ability and using the plurality of data groups, calculates an assist amount for assisting the manipulation by the operator using the control parameter, calculates a control command for operating an object to be controlled using a manipulation amount of manipulation given to a manipulation device and using the assist amount, and inputs the control command to the object to be controlled.

Abstract: Provided is a work machine (1) capable of being operated automatically with reduced discomfort to workers. The work machine (1) includes a controller. The controller sets target trajectory information including a plurality of target points on a target path (71B) of a control target part and an inter-target-point time and makes an upper turning body (22) and a work device (30) perform a target motion of moving the control target part in accordance with the target path information. When judging work including the target motion to reach a predetermined stage, the controller shifts at least one of the start point and the terminal point of the next target motion and corrects the inter-target-point time based on the change from a previous movement amount to a new movement amount.

Abstract: A rope inspection device according to the present invention is attached to a work machine that has a machine body, a rising/lowering body capable of rising/lowering relative to the machine body, a winch, and a rope which is led out from the winch and suspended from a tip end of the rising/lowering body and which is connected to a load to be suspended. The rope inspection device includes: a rope inspection instrument capable of inspecting a deterioration state of the rope; and a support unit which is attached to the tip end of the rising/lowering body and which supports the rope inspection instrument such that the rope inspection instrument can follow movement in the horizontal direction of the rope which is suspended from the tip end.

Abstract: Provided is a system or the like which can achieve improvement in remote operation efficiency of a work machine by improving an efficiency of calibration processing. A determination result of whether a remote operation factor corresponds to an actual machine operation factor is recognized by a first support processing element 121. “The remote operation factor” is a factor defining an operation setting of a remote operation mechanism 211 included in a remote operation apparatus 20. “The actual machine operation factor” is a factor defining an operation setting of an actual machine operation mechanism 411 included in a work machine 40. Processing of making the actual machine operation factor correspond to the remote operation factor is executed by a second support processing element 122 on a requirement that the determination result is negative.

Abstract: A vehicle determination system (1) includes a loading platform detection unit (30) and a controller (50). The loading platform detection unit (30) detects information including a distance to a loading platform (13). The controller (50) calculates dimensional information about the loading platform (13) based on the distance detected by the loading platform detection unit (30). The controller (50) stores a correspondence between the dimensional information about the loading platform (13) and a type of a vehicle (10). The controller (50) determines the type of the vehicle (10) based on the calculated dimensional information and the stored correspondence.

Abstract: A periphery monitoring device calculates an expected passage range indicating a range of a locus of a machine body when a lower travelling body travels in an imaging direction of a camera, based on a slewing angle of an upper slewing body and an attitude of an attachment, and superimposes a range image indicating the calculated expected passage range on an image captured by the camera to display the superimposed image on the display.

Abstract: A notification system includes: a notifier which notifies an operator of a state of a lifting magnet; a sensor which detects at least one of a voltage, an electric current, and an electric power supplied for exciting the lifting magnet; a determination part which determines, based on detection data from the sensor, whether an attraction quantity of the lifting magnet reaches a maximum attraction quantity after excitation of the lifting magnet is started; and a notification control part which causes the notifier to notify that the attraction quantity reaches the maximum attraction quantity when the determination part determines that the attraction quantity reaches the maximum attraction quantity.

Abstract: A feedback control device determines a first target angular velocity that is a target angular velocity of an output angular velocity of the target device, using a first transfer function, determines a control input to the target device, based on a difference between the first target angular velocity and the output angular velocity, determines, based on the operation input, a second target angular velocity that is the target angular velocity requested by an operator, determines a degree of comfort of the operator, based on a difference between the output angular velocity and the second target angular velocity, sequentially accumulates the first target angular velocity, the degree of comfort, and a target degree of comfort in a database, and adjusts a first moment of inertia in such a way as to reduce a difference between the target degree of comfort and the degree of comfort, using data accumulated in the database.