An apparatus including a first electrical connector; and a second electrical connector. The first and second electrical connectors have magnets to provide a magnetic holding force with each other and provide alignment of the electrical connectors to hold the second electrical connector against the first electrical connector at a predetermined position. Magnetic poles of the magnets are configured to limit orientation of the second electrical connector on the first electrical connector. The second electrical connector includes two power contacts and an interruption detector contact, where the power contacts are movably mounted on the second housing and configured to disconnect from electrical contacts of the first electrical connector, when the second electrical connector is being disconnected from the first electrical connector, only after the interruption detector contact of the second plurality of electrical contacts disconnects from an electrical contact of the first electrical connector.

A method of estimating the remaining driving distance available from a current charge of a battery of an electrically powered mobility device, wherein the method comprises: a) determining a state of charge of the battery based on a measured battery-related parameter, b) determining a state of health of the battery based on the state of charge, and c) estimating the remaining driving distance that the mobility device can travel with the current charge based on the state of charge and the state of health, wherein step b) involves determining the state of health based on actual consumed ampere hours of the battery.

A robot charging system and a control method thereof are provided to determine a charged state and charge a robot through self-driving. The robot charging system includes: a server configured to store boarding information of a user; a robot configured to receive the boarding information from the server, move the user to a destination included in the boarding information by self-driving using charged power, determine a discharge of the power, and move to a charging station for charging; and the charging station provided with a power supply coil to wirelessly supply the power source to the robot, and provided with a moving rail on a top of the power supply coil to sequentially charge a plurality of robots.

An electric vehicle includes: a mobile base capable of traveling by an electromotive drive; a seat including a seating portion having a sitting surface; and a battery capable of supplying electric power used in the electromotive drive. The seating portion of the seat includes a receiving portion capable of receiving the battery and arranged on a seat lower side with respect to the sitting surface. The mobile base is changeable between an expanded state in which a wheelbase is expanded and a contracted state in which the wheelbase is more contracted than in the expanded state. The seat is movable between a sitting position that the sitting surface faces a vehicle upper side in an expanded state of the mobile base, and a retracted position that the seating portion is retracted from the sitting position to a vehicle front side in a contracted state of the mobile base.

A motorized movement device includes a frame, first and second wheels connected to the frame, and first and second motors connected respectively to the first and second wheels that are commandable by respective command signals. The motorized device also includes an inertial measuring unit configured to detect the longitudinal acceleration, pitch angular speed, and yaw angular speed of the movement device and for providing signals representative of the same. The motorized device also includes sensors for detecting speeds of the wheels and configured to provide signals representative thereof. The motorized device further includes a control unit comprising a module for estimating the slope, and longitudinal thrust exerted by a user to the device, yaw torque applied by the user. The control unit also includes a module for compensating the slope, a thrust amplifying module, a yaw torque amplifying module, and a torque allocating module.

An apparatus including a first electrical connector; and a second electrical connector. The first and second electrical connectors have magnets to provide a magnetic holding force with each other and provide alignment of the electrical connectors to hold the second electrical connector against the first electrical connector at a predetermined position. Magnetic poles of the magnets are configured to limit orientation of the second electrical connector on the first electrical connector. The second electrical connector includes two power contacts and an interruption detector contact, where the power contacts are movably mounted on the second housing and configured to disconnect from electrical contacts of the first electrical connector, when the second electrical connector is being disconnected from the first electrical connector, only after the interruption detector contact of the second plurality of electrical contacts disconnects from an electrical contact of the first electrical connector.

The present invention refers to a connection device installed on-board with respect to an electric wheelchair, designed and configured to allow the charging of a respective traction battery using a charge station or column for electric vehicles which implements the mode 3 of charging compliant with the IEC 61851-1 standard. The connection device attached to the wheelchair comprises a main body configured to be connected to a first wire portion for the electrical connection to the charge station. The main body further comprises an electrical circuit configured to simulate the performance of an electric vehicle and defined compliant with the IEC 61851-1 standard, edition 3, Annex 1, chapter A.2.3.

A system for charging electrical micromobility vehicles includes a post (20); a socket (30) located in the post (20); and a plug (40) to be mounted on the vehicle. The socket (30) has a longitudinal opening (34) arranged vertically on the post (20). The height (H) of the opening (34) of the socket (30) is larger than the height (h) of the plug (40). The socket (30) has a socket first and second contact means (31, 32). The plug (40) has a plug first and second contact means (41, 42) arranged so that when the plug (40) is inserted into the socket (30) at any position along the height (H) of the opening (34), the socket first and second contact means (31, 32) form an electrical connection with the corresponding plug first and second contact means (41, 42).

A mobile object control device controls an electric motor assisting traveling of a mobile object. The mobile object control device includes a rolling resistance calculation section, a power loss calculation section, and an assist force calculation section. The rolling resistance calculation section calculates a rolling resistance based on a set weight set by a user. The power loss calculation section calculates a power loss caused until a power outputted from the electric motor is transmitted to a drive wheel. The assist force calculation section calculates an assist force of the electric motor based on an acceleration of the mobile object, the set weight, the rolling resistance calculated by the rolling resistance calculation section, the power loss calculated by the power loss calculation section, and an assist ratio.

A powered balancing mobility device that can provide the user the ability to safely navigate expected environments of daily living including the ability to maneuver in confined spaces and to climb curbs, stairs, and other obstacles, and to travel safely and comfortably in vehicles. The mobility device can provide elevated, balanced travel.