Abstract: A communication device including: a drive device communication unit that communicates with a drive device to which an own device is connected; an external communication unit that communicates with another device via a network; an identification information acquisitor that acquires type identification information indicating a type of a drive device from the drive device connected to the drive device communication unit; a setting information acquisitor that acquires, from another device, setting information corresponding to the type identification information by transmitting information including the type identification information to the another device via the external communication unit; and a communication controller that acquires information from the drive device on the basis of the setting information and transmits the information to a predetermined device.

Abstract: A vehicle management system includes: a map calculation unit that calculates a slip map in which a traveling position of an autonomous vehicle and a statistical value of slip index values on the traveling position are associated; and a vehicle extraction unit that extracts, as a target vehicle, the autonomous vehicle that has measured an outlier of the slip index value on a traveling route compared to the slip map.

Abstract: An antitheft device for a power generator electrically connectable to a work machine, comprising an acquisition unit configured to acquire position information from each of a plurality of power generators, a setting unit configured to set a single area including positions of the plurality of power generators as a movable area based on the position information acquired by the acquisition unit, and a notification unit configured to make a predetermined notification if at least one of the plurality of power generators has moved out of the movable area set by the setting unit.

Abstract: An automated work system includes a control apparatus capable of controlling an automated work machine that performs work in a work area. The automated work system comprises a generation unit configured to generate a schedule for the work. The generation unit generates the schedule based on a scheduled work time during which a user arrives at the work area and performs work in the work area or a time slot during which the user is not in the work area.

Abstract: An antitheft device for a power generator electrically connectable to a work machine, comprising an acquisition unit configured to acquire position information from each of a plurality of power generators, a setting unit configured to set a single area including positions of the plurality of power generators as a movable area based on the position information acquired by the acquisition unit, and a notification unit configured to make a predetermined notification if at least one of the plurality of power generators has moved out of the movable area set by the setting unit.

Abstract: A power generator management system comprises a plurality of power generators, and an information processing apparatus configured to process information acquired from the plurality of power generators. Each power generator comprises: a detection unit configured to detect a remaining fuel amount in a fuel tank of the power generator; a position acquisition unit configured to acquire position information of the power generator; a state acquisition unit configured to acquire information representing an operating state of the power generator; and a communication unit configured to transmit the remaining fuel amount, the position information, and information representing the operating state to the information processing apparatus, and the information processing apparatus comprises a processing unit configured to acquire a margin level of power supply in each of the plurality of power generators and provide a result of the acquisition.

Abstract: An anti-theft apparatus for an outboard motor that can be mounted on a boat, comprising a comparison unit configured to compare a vibration of the outboard motor with a vibration of a portion of the boat other than the outboard motor, and a notification unit configured to make a predetermined notification based on a comparison result by the comparison unit.

Abstract: A generator system, including first and second generators each having an inverter circuit outputting AC, a connection circuit connecting the generators through a power line, a master-slave determining unit determining one of the generators as a master generator, and to determine other of the generators as a slave generator, a data acquiring unit acquiring an output data of the master generator, and a synchronization controlling unit controlling switching operation of the inverter circuit of the slave generator based on the output data of the master generator to synchronize an output data of the slave generator with the output data of the master generator, wherein the master-slave determining unit determines one of the generators that starts earlier as the master generator, and when the generators start simultaneously, to determine one of the generators as the master generator in accordance with a predefined rule.

Abstract: An electric device includes a first receptacle to which a first plug is connected, a second receptacle to which a second plug is connected, and a cover member configured to open/close the second receptacle. In a state in which the first plug is connected to the first receptacle, opening of the cover member is restricted by interference between the first plug and the cover member. In a state in which the second plug is connected to the second receptacle, connection of the first plug to the first receptacle is restricted by interference between the first plug and the cover member.

Abstract: A power generator system, including a first generator and a second generator, a detector detecting a power of the first generator, a determinator determining whether a parallel operation of the first generator and the second generator is necessary based on a detection value detected by the detector when the first generator is operating and the second generator remains unstarted, a power supply unit supplying a starting power to the second generator to start the second generator when it is determined that the parallel operation is necessary, and a generator controller controlling operation of the second generator so as to operate synchronously in parallel with the first generator after the second generator is started.

Abstract: A power generator management system comprises a plurality of power generators, and an information processing apparatus configured to process information acquired from the plurality of power generators. Each power generator comprises: a detection unit configured to detect a remaining fuel amount in a fuel tank of the power generator; a position acquisition unit configured to acquire position information of the power generator; a state acquisition unit configured to acquire information representing an operating state of the power generator; and a communication unit configured to transmit the remaining fuel amount, the position information, and information representing the operating state to the information processing apparatus, and the information processing apparatus comprises a processing unit configured to acquire a margin level of power supply in each of the plurality of power generators and provide a result of the acquisition.

Abstract: An engine-generator starting apparatus a three-phase winding equipped with a generating unit that rotates relative to rotation of a crankshaft of an engine, and an electronic control unit that controls supply of electric current the three-phase winding to rotate the crankshaft and start the engine. In the apparatus, the electronic control unit controls to supply first current to the three-phase winding to make the engine crankshaft of rotate reverse, the first current is of a level for stopping the piston connected to the crankshaft at a position in a compression stroke. Then it controls to supply second current (that is greater than the first current) to the three-phase winding to make the crankshaft of the engine rotate forward when a predetermined time period has elapsed, and control to ignite fuel supplied to the engine after the second current is supplied to the three-phase winding.

Abstract: An anti-theft apparatus for an outboard motor that can be mounted on a boat, comprising a comparison unit configured to compare a vibration of the outboard motor with a vibration of a portion of the boat other than the outboard motor, and a notification unit configured to make a predetermined notification based on a comparison result by the comparison unit.

Abstract: An engine generator, including an engine having a piston reciprocating inside a cylinder, a generator unit having a three-phase winding, driven by the engine to generate power and operating as an engine starter motor during engine starting, a power converter circuit connected to the generator unit, a battery supplying power to the generator unit through the power converter circuit during engine starting, an engine speed detection unit detecting an engine speed, a connection switching unit switching a connection configuration of the winding to one of a wye-connection and a delta-connection, and a connection switching control unit controlling the connection switching unit to switch the connection configuration to the wye-connection when the engine speed is lower than a predetermined engine speed, and to switch the connection configuration to the delta-connection when the engine speed is equal to or higher than the predetermined engine speed, during engine starting.

Abstract: An electric device includes a first receptacle to which a first plug is connected, a second receptacle to which a second plug is connected, and a cover member configured to open/close the second receptacle. In a state in which the first plug is connected to the first receptacle, opening of the cover member is restricted by interference between the first plug and the cover member. In a state in which the second plug is connected to the second receptacle, connection of the first plug to the first receptacle is restricted by interference between the first plug and the cover member.

Abstract: A power generator system, including a remaining fuel detector detecting a remaining fuel amount of each of the first generator and the second generator, an operable time calculator calculating a remaining operable time of the each of the first generator and the second generator based on the remaining fuel amount detected by the remaining fuel detector, and a signal output unit outputting a control signal for adjusting outputs of the first generator and second generator to an actuator so that the remaining operable time of the first generator and the remaining operable time of the second generator calculated by the operable time calculator is equalized while keeping a total power of the first generator and the second generator constant.

Abstract: An engine generator, including a general-purpose engine, a generator unit driven by the engine to generate electric power and capable of operating as an engine starter motor during engine starting, a case housing the engine and the generator unit, a battery detachably attached to the case, an inverter unit connected to the generator unit, and a power supply circuit interconnecting the battery attached to the case and the inverter unit and supplying power of the battery through the inverter unit to the generator unit.

Abstract: An engine generator, including a general purpose engine, an engine speed of the engine being variably controlled, a generator unit having a three-phase winding and driven by the engine to generate power, an inverter unit converting AC output from the generator unit to AC of a predetermined frequency to output to a load, a connection switching unit switching a connection configuration of the winding to one of a wye-connection and a delta-connection, a load detection unit detecting a size of the load, and a connection switching control unit controlling the connection switching unit to switch the connection configuration to the wye-connection when the size of the load is equal to or lower than a predetermined value, and to switch the connection configuration to the delta-connection when the size of the load is higher than the predetermined value.

Abstract: An engine generator, including a generator unit driven by the engine, a first power converter circuit, a capacitor, a second power converter circuit, a smoothing circuit, battery and a control unit. The control unit controls operation of the switching elements of the second power converter circuit so as to form a boosting circuit by the battery, the coil of the smoothing circuit, the switching element and the diode of the second power converter circuit, and the capacitor at starting of the engine.

Abstract: An engine-generator starting apparatus a three-phase winding equipped with a generating unit that rotates relative to rotation of a crankshaft of an engine, and an electronic control unit that controls supply of electric current the three-phase winding to rotate the crankshaft and start the engine. In the apparatus, the electronic control unit controls to supply first current to the three-phase winding to make the engine crankshaft of rotate reverse, the first current is of a level for stopping the piston connected to the crankshaft at a position in a compression stroke. Then it controls to supply second current (that is greater than the first current) to the three-phase winding to make the crankshaft of the engine rotate forward when a predetermined time period has elapsed, and control to ignite fuel supplied to the engine after the second current is supplied to the three-phase winding.