A charging system includes a charging station having input configured to receive a first type of electrical power, and a power converter connected to the input. The power converter is configured to convert the first type of electrical power from the input to a second type of electrical power different to the first type of electrical power, the second type of electrical power including DC electrical power. The charging station has outputs connected to the power converter, the outputs configured such that DC electrical power is providable to each of the outputs simultaneously. Each of the outputs is configured to connect to a respective electric vehicle for charging of the electric vehicle.

A charging system includes a charging station having input configured to receive a first type of electrical power, and a power converter connected to the input. The power converter is configured to convert the first type of electrical power from the input to a second type of electrical power different to the first type of electrical power, the second type of electrical power including DC electrical power. The charging station has outputs connected to the power converter, the outputs configured such that DC electrical power is providable to each of the outputs simultaneously. Each of the outputs is configured to connect to a respective electric vehicle for charging of the electric vehicle.

In an electricity supply system including a plurality of pieces of electricity supply equipment and a plurality of vehicles, when a second vehicle being supplied with electricity from first electricity supply equipment receives a request to surrender the first electricity supply equipment from a first vehicle, the second vehicle surrenders the first electricity supply equipment to the first vehicle and moves, through automated driving, to second electricity supply equipment selected from among the plurality of pieces of electricity supply equipment when the second vehicle is able to travel as far as the second electricity supply equipment.

In an electricity supply system including a plurality of pieces of electricity supply equipment and a plurality of vehicles, when a second vehicle being supplied with electricity from first electricity supply equipment receives a request to surrender the first electricity supply equipment from a first vehicle, the second vehicle surrenders the first electricity supply equipment to the first vehicle and moves, through automated driving, to second electricity supply equipment selected from among the plurality of pieces of electricity supply equipment when the second vehicle is able to travel as far as the second electricity supply equipment.

A moving robot includes: a main body; a traveling unit configured to rotate and move the main body; a sensing unit configured to sense position information of a specific point of a front portion of a docking device; and a controller configured to, based on sensing result of the sensing unit, determine i) whether a first condition, which is preset to be satisfied when the docking device is disposed in a front of the moving robot, is satisfied, and ii) whether a second condition, which is preset to be satisfied when the moving robot is disposed in a front of the moving robot, is satisfied, to control an operation of the traveling unit so as to satisfy the first condition and the second condition, and to move to the front so as to attempt to dock in a state where the first condition and the second condition are satisfied.

An operation management device includes: an information acquisition unit configured to acquire information necessary for charging an on-vehicle battery of a vehicle entering a charging facility in which charging spaces coexist, power transmission devices having different amounts of transmission power being installed in the charging spaces; and an optimization unit configured to optimize a charging schedule for increasing a charge amount of the on-vehicle battery to a target charging level by charging with an available power transmission device in the charging spaces based on the acquired information so that power consumption in the charging facility is suppressed to a maximum allowable power amount or less.

An operation management device includes: an information acquisition unit configured to acquire information necessary for charging an on-vehicle battery of a vehicle entering a charging facility in which charging spaces coexist, power transmission devices having different amounts of transmission power being installed in the charging spaces; and an optimization unit configured to optimize a charging schedule for increasing a charge amount of the on-vehicle battery to a target charging level by charging with an available power transmission device in the charging spaces based on the acquired information so that power consumption in the charging facility is suppressed to a maximum allowable power amount or less.

Provided is a contactless power supply system including a transmission-side resonance circuit configured to transmit electric power, a reception-side resonance circuit configured to receive the electric power from the transmission-side resonance circuit, an alternating current magnetic field generation circuit configured to generate an alternating current magnetic field for detecting a relative positional relationship between the transmission-side resonance circuit and the reception-side resonance circuit, and a magnetic field detector configured to detect the alternating current magnetic field. The contactless power supply system performs contactless electric power transmission of magnetic field resonance coupling between a ground-side device and a mobile body. A frequency of the position detecting alternating current magnetic field is different from a resonance frequency of each of the transmission-side resonance circuit and the reception-side resonance circuit.

A vehicle enabling confirmation of an end of power transfer from a ground power supplying apparatus at the vehicle side, that is, a vehicle receiving power from a ground power supplying apparatus by noncontact, provided with a power reception apparatus for receiving power from the ground power supplying apparatus and a control device configured to judge an end of power transfer from the ground power supplying apparatus based on a change along with time of received power received by the power reception apparatus.

A method (100) of assisting a user of a robotic tool system (10) is disclosed. The robotic tool system (10) comprises a self-propelled robotic tool (1) configured to operate an area in an autonomous manner and a docking station (3) for charging one or more batteries (5) of the robotic tool (1). The method (100) comprises the steps of obtaining (110) inclination data representative of an inclination angle (a0, a1, a2) of the robotic tool (1) when the robotic tool (1) is located on or at the docking station (3) and outputting (120) a notification (n0, n1, n2) based on the inclination data. The present disclosure further relates to a robotic tool (1) and a robotic tool system (10) comprising a robotic tool (1) and a docking station (3).