Abstract: A manager terminal generates work plan information that is information regarding a work plan by at least one work machine, set for each operator who remotely operates the at least one work machine, and includes a work item by the work machine that is remotely operated by the operator and work time for the work item based on contents input by a construction manager, and inputs the work plan information into a server. The server generates progress information indicating work progress of the operator for the at least one work machine based on the work plan information input from the manager terminal and work information input from at least one work information acquisition unit, inputs the progress information into the manager terminal, and presents the progress information to the construction manager.

Abstract: A remote operation device receives a changeover instruction to make a changeover between an actual work mode, a simulation mode, and a test mode, and executes the received mode. A server includes a work history database that stores an actual work record in the actual work mode, a simulation record in the simulation mode, and a test result in the test mode as a work history. The server calculates a skill level of an operator for a remote operation based on the work history stored in the work history database, and presents the calculated skill level.

Abstract: On detection of a difference between the operation amount detected by a first sensor and the operation amount received by a first communication unit from a slave, a master side controller executes at least one of stop control to automatically stop a construction machine and alarm control to cause a warning device to issue an alarm. On detection of a difference between the operation amount detected by a second sensor and the operation amount received by a communication unit from the master, a slave side controller executes at least one of the stop control to automatically stop the construction machine and the alarm control to cause the warning device to issue the alarm.

Abstract: An object of the present disclosure is to provide a technique capable of relaxing the stress to be applied around the attachment hole of the resin case at the time of fixing the resin case accommodating the semiconductor element to the heat dissipation component with a bolt. A semiconductor device includes a base plate, a heat dissipation component, and a resin case. In a state where the resin case is disposed on the heat dissipation component via the base plate, the resin case is attached to the heat dissipation component with a bolt. The resin case has a recess portion, an attachment hole formed below the recess portion, and at least one groove formed between a wall portion on an inner peripheral side forming the recess portion and the attachment hole. One end of the at least one groove reaches an outer peripheral end of the resin case.

Abstract: A turning control apparatus, for a turning-type working machine, includes: a target stop position setting unit setting the target stop position of the turning body and a turning command unit. The target stop position setting unit includes an image taking device, an image processing device forming an overhead view image of the work machine and surrounding objects based on the taken image; an image display command unit making a target stop position setting image including the overhead view image be displayed on a display screen of the image display device, a setting operation member to which a position setting operation for setting a target stop position with reference to the position of the image of the work machine and surrounding objects included in the overhead view image is applied, and a target stop position determination unit that determines a target stop position based on the position setting operation.

Abstract: The semiconductor device includes a semiconductor element, a plurality of terminal electrodes, internal wiring, and a sealing material. The semiconductor element is mounted on a circuit pattern provided on an insulating substrate. The plurality of terminal electrodes are provided on a case in which the insulating substrate and the semiconductor element are contained. The internal wiring connects the semiconductor element and the plurality of terminal electrodes. The sealing material fills a space in the case. The internal wiring includes a plurality of circuit patterns, a plurality of metal blocks, and metal wire. The plurality of metal blocks are electrically connected to the respective circuit patterns. The metal wire connects the plurality of metal blocks and is bonded to the plurality of metal blocks at positions closer to an upper surface of the sealing material than surfaces of the plurality of circuit patterns.

Abstract: A server comprises: a communication unit configured to receive, from an ordering terminal, work request information entered by an orderer of work and indicating a specific piece of the work and working time required for the specific work content; a required skill level determination unit configured to determine, based on the work request information received by the communication unit, a required skill level indicating a skill for remote control required for an operator by the orderer; an operator database storing respective skill levels of a plurality of operators; and an information list generation unit configured to extract from the operator database an operator having a skill level equal to or higher than the required skill level and generate an operator information list for presenting the extracted operator to the orderer, and the communication unit transmits the operator information list to the ordering terminal.

Abstract: A correction value for matching an operation characteristic of a slave operating device with an operation characteristic of a master operating device is registered in advance in a correction table for each combination of type information of a construction machine and type information of the slave operating device. A controller acquires, from correction information, a correction value corresponding to a combination of the type information of the construction machine and the type information of the slave operating device received by a communication unit, corrects an amount of operation accepted by an operating lever based on the acquired correction value, and transmits the corrected amount of operation to the communication unit.

Abstract: A server includes: a communication part which receives from an orderer terminal operation request information input by an orderer and including a specific operation content and an operation time set for the specific operation content; and a display data generation part which generates based on the operation request information display data on which a master device displays an operation selection image showing the operation content and the operation time set in combination with each other to allow a selection of a desired time segment of the operation time set. The master device includes: a display control part which generates the operation selection image based on the display data so that a display part displays the operation selection image; and an operation part which receives a selection instruction of the operator that the operator selects the desired time segment of the operation time set shown in the operation selection image.

Abstract: A working machine control device includes a camera that obtains a captured image by imaging a particular part that is a part of a lower travelling body, and a controller, in which the controller includes a setting unit that sets a target slewing angle of an upper slewing body with respect to the lower travelling body, and a display control unit that causes a display unit to display a display screen in which a target image indicating a target position of the particular part is displayed in a superimposed manner at a position on the captured image, the position being where the particular part is displayed when a slewing angle of the upper slewing body with respect to the lower travelling body reaches the target slewing angle.

Abstract: A master acquires, from a slave, a surrounding image obtained by capturing an image of surroundings of a construction machine from inside a cab seat of the construction machine, determines whether or not a working device is included in the surrounding image, and in a case of determining that the working device is not included in the surrounding image, calculates a position of the working device from a posture of the construction machine and displays, on a display device, a display object for informing an operator of the calculated position, together with the surrounding image.

Abstract: A construction machine includes a display control section which controls a display device to display attachment relevant information generated based on attachment positional information generated by an attachment positional information generation section and three-dimensional contour information of a peripheral working area around the construction machine. The attachment relevant information is information concerning an image obtained by superimposing a peripheral image about a three-dimensional contour of the peripheral working area and a projected image about a leading end attachment which is projected to the peripheral image in a projection direction set arbitrarily or a projection direction set in accordance with a predetermined condition.

Abstract: A master-side device is provided outside a working machine and transmits, to a slave-side device, a command for controlling activation of an actuator. The master-side device is provided with a master-side lever and an operation pattern switching unit. The operation pattern switching unit switches a master-side operation pattern in which a first command according to an operation of the master-side lever is combined with a second command for an operation of a machine-side lever. The slave-side device transmits, to the master-side device, information of a machine-side operation pattern selected by an operation pattern switching valve.

Abstract: A remote operation system for a working machine includes a control device enabling an operator wearing a wearable display to grasp the surrounding situation of himself/herself. The control device includes an operation intention judgment section judging the presence/absence of an operator's operation intention to a remote operation lever based on the contents of acquired judgment information, and a display image switching section. With judgment of presence of the operation intention, the display image switching section makes a working area image taken by a working area image taking camera be displayed in a particular display area of the wearable display. With judgment of absence of the operation intention, the display image switching section stops the display of the working area image in the at least a part of the particular display area and switches it to a surrounding visual-recognition allowing area allowing the operator to visually recognize the surroundings.

Abstract: A construction machine capable of suppressing deterioration in work efficiency includes an angle detecting device that detects a relative angle between a lower travelling body and an upper slewing body, a travel lever that can be manipulated to make the lower travelling body travel, a display, a directional information generating unit that generates information related to a travelling direction of the lower travelling body based on a detected result of the angle detecting device, and a display controller. The display controller causes the display to display an arrow image indicating the travelling direction of the lower travelling body generated by the directional information generating unit when the travel lever is manipulated and does not permit the display to display the arrow image when the travel lever is not manipulated.

Abstract: When deriving a preparation-unrequired route which enables a construction machine to travel only within a permissible range of a gradient until reaching a destination, a controller causes an output part to output information about the preparation-unrequired route. When not deriving the preparation-unrequired route, the controller determines a location which needs preparation for a specific landform to enable the construction machine to travel only within the permissible range of the gradient until reaching the destination, and causes the output part to output information about the location which needs the preparation and about the traveling route.

Abstract: An electric motor has: a rotor; a stator; a housing, an opening for opening the storage space upward, and a notch that is concaved downward from an edge surface surrounding the opening; a lead wire connected to the stator; a partition wall that is provided on the inside of the notch in order to separate a sealing space for injecting a sealant and a space outside the sealing space from each other, and has a through-hole for allowing the lead wire to be extended to the outside of the sealing space; a cover that can be attached to the housing from above; and an elastic member that is more elastic than the partition wall and disposed under the partition wall. An end surface of the partition wall is disposed on or above a plane surface including the edge surface of the housing.

Abstract: An electric motor includes a stator having an outer peripheral surface including a plurality of projections and a housing having an inner peripheral surface including a plurality of recesses and holding the stator in a state of respective fits of the projections with the recesses. The housing is internally formed with a cooling channel, which includes a plurality of main channels each formed in an inter-recess region defined between circumferentially adjacent recesses and a connection channel axially shifted from a recess and extending across the recess to connect main channels adjacent across the recess. The electric motor is capable of effectively cooling a stator without upsizing.

Abstract: A generator motor includes a stator, a rotor that rotates relative to the stator, and a motor housing that houses the stator and the rotor. The motor housing includes a housing main body that encloses a periphery of the stator and the rotor and a cover that is attached to an end surface of the housing main body so as to cover an opening formed on the end surface, which is on an opposite side to an engine, of the housing main body. A drain hole for draining water inside the motor housing to below the motor housing is formed between a lower end of the cover and the end surface of the housing main body. The motor housing includes a covered section that covers the drain hole from below at a position that is lower than the drain hole.

Abstract: Provided is an electric motor capable of stabilizing a preload applied to a bearing by an annular spring and effectively retarding degradation of the annular spring. The electric motor includes a motor shaft, a rotor, a stator, a housing containing the rotor and the stator in a posture where the motor shaft extends vertically, an upper bearing and a lower bearing supporting the motor shaft, and an annular spring applying a downward preload to the upper bearing. The lower bearing is fixed to the motor shaft and the housing. The housing has a load-receiving surface receiving an upward thrust load overcoming the preload from the upper bearing.