Provided are a vehicle chassis and a vehicle, which are related to a field of vehicle technology, in particular to fields of automatic driving technology and driving test technology. The vehicle chassis includes: a chassis support, a steering system, an electrical system, a driving system, and two brake systems. The chassis support is provided with a steering system mounting site, an electrical system mounting site, a driving system mounting site, and two brake system mounting sites; which are arranged in sequence along a length direction of the vehicle chassis. A first brake system mounting site is disposed between the steering system mounting site and the electrical system mounting site; and a second brake system mounting site is disposed between the driving system mounting site and the electrical system mounting site. The two brake systems, the driving system and the steering system are communicatively connected to the electrical system.

Provided are a vehicle chassis and a vehicle, which are related to a field of vehicle technology, in particular to fields of automatic driving technology and driving test technology. The vehicle chassis includes: a chassis support, a steering system, an electrical system, a driving system, and two brake systems. The chassis support is provided with a steering system mounting site, an electrical system mounting site, a driving system mounting site, and two brake system mounting sites; which are arranged in sequence along a length direction of the vehicle chassis. A first brake system mounting site is disposed between the steering system mounting site and the electrical system mounting site; and a second brake system mounting site is disposed between the driving system mounting site and the electrical system mounting site. The two brake systems, the driving system and the steering system are communicatively connected to the electrical system.

A steer by wire type steering apparatus according to the present embodiments comprises a rotating shaft that rotates in conjunction with a steering shaft, a housing provided with a ball seating portion at one end and a ball is coupled and supported between the ball seating portion and an inner circumferential surface of the rotating shaft, a support member disposed inside the housing and provided with a protruding support portion for supporting the ball to one side in a circumferential direction while protruding in an axial direction, a ball support elastic member coupled to the housing and elastically supporting the ball to another side in the circumferential direction, and an actuator for moving the support member in the axial direction.

An electric power steering device and method are disclosed. An electric power steering device according to an embodiment of the present invention comprises: a steering motor comprising a first winding and a second winding, each of Which receives applied three-phase power; a first control unit for controlling power supplied to the first winding; and a second control unit for controlling power supplied to the second winding, wherein, when one of a phase of the first winding and a phase of the second winding has failed to be opened, the control unit controlling the winding including the phase that has failed to be opened, among the first control unit and the second control unit, performs torque compensation control for additional output of compensation torque.

A dual-mode active rear-wheel steering device based on a multi-linkage mechanism, including: a steering angle control motor with a speed-reduction mechanism, a multi-linkage mechanism assembly for converting rotational motion of the steering angle control motor into linear motion of an end of the push rod, a steering actuating mechanism for converting linear motion of the multi-linkage mechanism assembly into rotation of a knuckle around a kingpin to make the rear wheels steer, a first electromagnetic pin puller and a second electromagnetic pin puller respectively configured to control a first extendable-retractable push rod assembly and a second extendable-retractable push rod assembly to work at a fixed or variable axial length. The device uses the steering angle control motor to drive the two rear wheels to turn in the same direction or opposite directions through the control of energized state of the two electromagnetic pin pullers.

Disclosed are a system and method for controlling the update of software of a motor-driven power steering (MDPS) apparatus, the system includes a central communication controller configured to download the latest version of new SW through wireless communication with a server outside a vehicle and an MDPS controller including a first memory in which an old version of SW has been stored and a second memory and configured to download the new SW from the central communication controller, store the new SW in the second memory, and perform the update of the new SW by swapping the first memory and the second memory.

An actual steering ratio, which is a linkage relationship between a steering target wheel and a steering wheel, is controlled based on a setting steering ratio. Then, when a “mismatch” occurs between the actual steering ratio and the setting steering ratio due to an emergent avoidance motion, a steering control apparatus corrects the setting steering ratio using a corrected steering ratio so as to reduce the “mismatch”, thereby improving the consistency of the linkage relationship between a driver's steering operation and the steering target wheel, allowing the relationship between a rotational angle of the steering wheel and a steering angle of the steering target wheel to match the steering ratio, and thus reducing an uncomfortable feeling evoked in a driver.

The present invention provides a motor comprising, a shaft, a rotor including a shaft hole in which the shaft is disposed, the rotor including a plurality of rotor plates stacked to each other and a stator disposed outside the rotor, wherein each rotor plate includes a plurality of guide pin holes disposed around the shaft hole in a circumferential direction and a skew check hole including a skew reference surface, wherein an outer circumferential surface of each rotor plate is attached with magnets, and an angle between lines connecting centers of the adjacent guide pin holes with a center of the shaft hole is greater than a skew angle of each rotor plate.

A power supply circuit is configured to supply electric power to a microcontroller. A power supply line and a GND line connect the power supply circuit with a component of the microcontroller. A capacitor portion has a series structure and connects the power supply line with the GND line. The capacitor portion is configured to suppresses a fluctuation in the supplied electric power.

A method for controlling a power steering system of a vehicle, having a steering wheel, and an inverter powering an assist motor, when a short-circuit failure is detected between a phase of the assist motor and an electric line of the inverter, wherein it includes:—a configuration step intended to determine, for a magnetic field of the assist motor, a controllable zone and a non-controllable zone, —a step of compensating for a space-average brake torque in the controllable zone.