Abstract: A steering control device comprises a receiver receiving a motor torque from a motor torque sensor provided in a host vehicle and a controller enabling a steering gear to be driven in a compliance zone, calculating a friction of the steering gear based on the motor torque received by the driving of the steering gear, determining a state of the steering gear based on the calculated friction, and outputting, to a driver, a notification message for the state of the steering gear.

Abstract: The present disclosure relates to a steering power assistance system and an electronic control device included therein. Specifically, a steering power assistance system according to the present disclosure comprises: two sensors including a dual die integrated circuit; two controllers connected to the two sensors, respectively, and capable of performing internal communication; and a steering motor, wherein among the two controllers, one controller in the following turn in the sequence of controlling generates a control signal and outputs the control signal to the steering motor, according to a target value calculated by another controller which is in a normal state and in the preceding turn in the sequence of controlling.

Abstract: The present invention relates to a redundancy circuit of an electric power steering system, the redundancy circuit comprising: a plurality of electronic control units for checking whether a breakdown occurs by crossing each other, and adjusting a control ratio according to the occurrence of the breakdown; and a selection control unit for receiving an input of the control ratio and control amount information of the plurality of electronic control units to determine control amounts of each of motors provided in the same number as the plurality of electronic control units.

Abstract: The disclosure relates to a steering control device and method. A steering control device according to the disclosure comprises a receiver receiving a motor torque from a motor torque sensor provided in a host vehicle and a controller enabling a steering gear to be driven in a compliance zone, calculating a friction of the steering gear based on the motor torque received by the driving of the steering gear, determining a state of the steering gear based on the calculated friction, and outputting, to a driver, a notification message for the state of the steering gear.

Abstract: The present disclosure relates to a steering power assistance system and an electronic control device included therein. Specifically, a steering power assistance system according to the present disclosure comprises: two sensors including a dual die integrated circuit; two controllers connected to the two sensors, respectively, and capable of performing internal communication; and a steering motor, wherein among the two controllers, one controller in the following turn in the sequence of controlling generates a control signal and outputs the control signal to the steering motor, according to a target value calculated by another controller which is in a normal state and in the preceding turn in the sequence of controlling.

Abstract: The present invention relates to a redundancy circuit of an electric power steering system, the redundancy circuit comprising: a plurality of electronic control units for checking whether a breakdown occurs by crossing each other, and adjusting a control ratio according to the occurrence of the breakdown; and a selection control unit for receiving an input of the control ratio and control amount information of the plurality of electronic control units to determine control amounts of each of motors provided in the same number as the plurality of electronic control units.

Abstract: Disclosed are an apparatus and a method for controlling vehicle steering. The apparatus for controlling vehicle steering includes: a reference lateral acceleration extractor configured to extract reference lateral acceleration based on a vehicle speed and a steering angle; a damping application condition determiner configured to determine whether a damping application condition is met based on the reference lateral acceleration and actual lateral acceleration; and a damping current controller configured to, when it is determined that the damping application condition is met, control the damping current applied to an EPS motor.