A mobility device that can accommodate speed sensitive steering, adaptive speed control, a wide weight range of users, an abrupt change in weight, traction control, active stabilization that can affect the acceleration range of the mobility device and minimize back falls, and enhanced redundancy that can affect the reliability and safety of the mobility device.

An intelligent power wireless charging system for electric wheelchairs, comprises: a wireless charging transmitter, the transmitter has a transmitter host and a manipulator with a transmitter pad; a wireless charging receiver installed in the electric wheelchair; when the electric wheelchair is driven to the transmitter host within a certain area, the transmitter host receives the signal from the wireless charging receiver, a laser sensor of the transmitter host detects the position of the electric wheelchair, a laser transmitter of the transmitter host emits reference lines for guiding the electric wheelchair is parked within the predefined charging parking area; the manipulator is activated and carries the transmitter pad from the standby position to move to the predefined waiting for charging position; the laser sensor of the transmitter pad is activated and detects the position of the electric wheelchair, the manipulator automatically find the wireless charging receiver to charge; when the charging is completed, the manipulator automatically returns to the standby position.

An intelligent power wireless charging system for electric wheelchairs, comprises: a wireless charging transmitter, the wireless charging transmitter has a transmitter and a robotic arm with transmitter pad; a wireless charging receiver installed in the electric wheelchair; when the electric wheelchair is driven to the wireless charging transmitter within a certain area, the wireless charging transmitter receives the signal from the wireless charging receiver, a ranging sensor detects the position of the electric wheelchair, a laser sensor emits reference lines for guiding the electric wheelchair is parked within the predefined charging position; the robotic arm is activated and carries the transmitter pad from the standby position to move to the predefined charging position; the ranging sensor is activated and detects the position of the electric wheelchair, the robotic arm automatically find the wireless charging receiver to charge; when the charging is completed, the robotic arm automatically returns to the standby position.

A seat, a motion control method thereof and a motion control system thereof. The motion control method for the seat includes: acquiring images of around the seat, and tracking a current caregiver via image recognition; determining a relative position between the current caregiver and the seat; and controlling a motion of the seat based on the relative position.

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.

The disclosure provides a control device capable of smoothly performing a turning operation due to an external force for a mobile body having a movement operation part and a seat part of occupant. A control device which performs a movement control of movement operation parts a mobile body estimates a movement rotational force in the yaw direction according to a movement of the mobile body and a rotational driving force in the yaw direction according to a driving forces of an actuator, and estimates an external force rotational force, which is a rotational force in the yaw direction due to an external force applied to the mobile body, based on these estimation values. A turning operation of the mobile body is performed according to an estimation value of the external force rotational force and a maneuver operation of the mobile body.

A system, method, and device for operations of an electrically motorized vehicle. The vehicle can utilize an electrically motorized wheel to convert a non-motorized wheeled vehicle to an electrically motorized wheeled vehicle. One system includes a server in communication with the device of each of a plurality of electrically motorized wheels, the server operable to track a position of each of the electrically motorized wheels and communicate the position thereof to a transportation network.

An electric wheelchair control system is adapted to control a wheelchair and comprises a sensing assembly, an inertial sensor, a controller, a motor driver, and a three-phase AC motor. The sensing assembly is configured to detect an external force applied to the wheelchair and generate a first sensed signal based thereon. The inertial sensor is configured to detect an inclination of the wheelchair and generate a second sensed signal based thereon. The controller selectively outputs a PWM braking signal to the motor driver according to the first sensed signal and the second sensed signal, and the PWM braking signal includes an upper arm braking signal and a lower arm braking signal, wherein the upper arm braking signal and the lower arm braking signal have the same duty cycle and when the upper arm braking signal is at a high level, the lower arm braking signal is at a low level.

Methods of protecting an electrically motorized human-powered vehicle are disclosed. A method may include transmitting, from a remote server, a security input relating to a user of the vehicle; receiving, at the electrically motorized human-powered vehicle the security input relating to the user; validating the security input; and enabling one of a first or second set of features based on the security input, wherein the second set of features is different from the first set of features and wherein one of set of features includes a service mode that enables maintenance access to the vehicle.

The disclosure provides an assist wheel including a wheel, a handrim, an elastic component, two contact components, a driving assembly, two film sensors. The wheel is configured to be rotatably disposed on a wheelchair frame. The handrim is disposed on the wheel and rotatable with respect to the wheel. Two opposite ends of the elastic component are respectively connected to the wheel and the handrim. The two contact components are respectively disposed on the wheel and the handrim. The driving assembly is configured to be fixed to the wheelchair frame. The two film sensors are disposed on the driving assembly and respectively pressed by the two film sensors. Each of the two film sensors is configured to generate a sensor value. The controller is configured to receive the sensor values from the two film sensors and signal the driving assembly.