A control device for a vehicle-mounted apparatus, the control device includes: a second CPU state judging section provided to the first CPU, and configured to judge a state of the second CPU based on a state of the inter-CPU communication and a voltage value of the electric power supplied from the first electric power supply section, or the second reset signal; and a first CPU state judging section provided to the second CPU, and configured to judge a state of the first CPU based on the state of the inter-CPU communication and a voltage value of the electric power supplied from the second electric power supply section, or the first reset signal.

A vehicle control system includes a plurality of driving assistance devices configured to sequentially send request signals including requests to an actuator in the vehicle and identifiers of the driving assistance devices to an in-vehicle network, a movement manager device configured to acquire the request signals from the in-vehicle network, select one of the identifiers respectively included in the acquired request signals based on a predetermined rule, and sequentially send a control signal including at least the selected identifier to the in-vehicle network, and an actuator control device configured to sequentially acquire the request signal and the control signal from the in-vehicle network, when the control signal is acquired, select a latest request signal including the identifier included in the acquired latest control signal among the acquired request signals, and decide a control value of the actuator based on the request included in the selected request signal.

A method includes determining whether a multiphase electric machine is unstable. The method also includes, in response to a determination that the multiphase electric machine is unstable, setting a gate voltage of a first three terminal semiconductor switch to zero. The method also includes, in response to a determination that the multiphase electric machine is stable, setting the gate voltage of the first three terminal semiconductor switch to nonzero. The method also includes, in response to the first three terminal semiconductor switch being set to zero, increasing electrical conduction from one phase of the multiphase electric machine to another phase of the multiphase electric machine. The method includes, in response to the first three terminal semiconductor switch being set to nonzero, increasing electrical resistance from the one phase of the multiphase electric machine to the another phase of the multiphase electric machine.

A steering system including a plurality of steering devices respectively provided for a plurality of steerable wheels that belong to at least one of a front-wheel side and a rear-wheel side of a vehicle, wherein the plurality of steering devices respectively include a plurality of steering actuators, and wherein each of at least one of the plurality of steering actuators is disposed on an inner side of a corresponding one of side members of the vehicle.

A steering system is configured such that a ratio of a turning angle change amount with respect to a steering angle change amount in a first steering angle area is larger than the ratio of the turning angle change amount with respect to the steering angle change amount in a second steering angle area, and a steering angle in the second steering angle is smaller than the steering angle of the first steering angle area. An electronic control unit of the steering system sets a delay degree of a change in turning angle with respect to a change in steering angle in the first steering angle area to be larger than the delay degree of the change in turning angle with respect to the change in steering angle in the second steering angle area regardless of a turning-over operation or a turning-back operation.

Disclosed is zero point compensation method and device for EPS. The method includes: acquiring a value of lateral distance when a vehicle travels along an ideal path and obtaining a smoothed lateral distance value, for each control cycle; calculating a longitudinal movement distance value of the vehicle for each control cycle; performing linear fitting to obtain a linear relationship between the longitudinal movement distance value and the smoothed lateral distance value; calculating a zero point compensation angle for the EPS based on a first parameter in the linear relationship and a preset steering wheel transmission ratio, and compensating a steering control angle; and determining that the zero point compensation angle passes verification when a minimum residual error is less than a preset acceptable deviation. In this way, the time required for calibration can be reduced, and the accuracy and effectiveness of the control algorithm can be improved.

Disclosed are an apparatus and method for adjusting a steering wheel, the apparatus including an image capturing unit configured to capture images of a current state of a steering wheel at multiple angles, an analysis unit configured to create leveling information on zero adjustment of the steering wheel by processing the image acquired by the image capturing unit, and a control unit configured to calculate an error from preset reference leveling information depending on the leveling information created by the analysis unit and performing the zero adjustment on the steering wheel by controlling a drive unit for operating the steering wheel depending on the calculated error.

The disclosure relates to a vehicle steering control device and method. There may be provided a vehicle steering control device and method that may detect a slip state of the steering wheel according to the driving state when misalignment occurs between the steering angle of the steering wheel and the rotation angle of the steering motor and performs control to release the slip state, thereby securing driving safety.

A steering system (10) for a motor vehicle, which steering system (10) is configured as a steer-by-wire steering system, comprises a rack (14), an electric drive (16) for the longitudinal displacement of the rack (14), and a rotatably mounted supporting element (20) which is spaced apart from the electric drive (16) along the longitudinal axis of the rack (14), and the rotatably mounted supporting element (20) being in toothed engagement with the rack (14).

The present embodiments may provide a steer-by-wire type steering apparatus which can significantly reduce production cost by reducing the number of components and simplifying the assembly procedure, by eliminating a pinion gear, etc., and sensing the position of a sliding bar on the basis of rotation information detected from a gear box which transfers the rotational force of a motor to the sliding bar.