Steering device and steering control device
AssigneeHitachi Astemo, Ltd.
InventorMakoto Kimura
Life of this patent
Estimating the term…
Abstract
A steering device and a steering control device are capable of continuing steering control of steered wheels when a microprocessor on a steering control unit side operates normally at a time of occurrence of a double failure. A first steering angle sensor is configured to output a first operation amount signal to a first steering actuator control unit of a steering control unit, and a second steering angle sensor is configured to a second operation amount signal to a second steering actuator control unit of the steering control unit.
Claims10
A steering device, comprising:
- a steering input mechanism configured to detect operation information on steering;
- and
- a steering mechanism configured to apply a steering angle to a steered wheel,
- wherein the steering input mechanism includes:
- a steering operation input member;
- a first operation amount sensor configured to output a first operation amount signal based on an operation of the steering operation input member;
- a second operation amount sensor configured to output a second operation amount signal based on an operation of the steering operation input member;
- and
- a steering input control unit configured to output an operation amount signal based on an operation amount of the steering operation input member,
- wherein the steering mechanism includes:
- a steering member connected to the steered wheel;
- a steering actuator including a first steering actuator part and a second steering actuator part that are configured to apply a torque to the steering member;
- and
- a steering control unit configured to output a drive signal to the steering actuator based on the operation amount signal received from the steering input control unit,
- wherein the steering control unit includes:
- a first steering actuator control unit configured to control the first steering actuator part;
- and
- a second steering actuator control unit configured to control the second steering actuator part,
- wherein:
- the first operation amount sensor is configured to output the first operation amount signal to the first steering actuator control unit;
- the second operation amount sensor is configured to output the second operation amount signal to the second steering actuator control unit;
- the first operation amount sensor is configured to be supplied with electric power from the first steering actuator control unit;
- and
- the second operation amount sensor is configured to be supplied with electric power from the second steering actuator control unit.
A steering control device, which can be provided to a steering device including a steering input mechanism configured to detect operation information on steering and a steering mechanism configured to apply a steering angle to a steered wheel, the steering control device comprising:
- a first steering actuator control unit configured to control a first steering actuator part configured to apply a torque to a steering member provided to the steering mechanism;
- and
- a second steering actuator control unit configured to control a second steering actuator part configured to apply a torque to the steering member,
- wherein:
- the first steering actuator control unit is configured to receive a first operation amount signal from a first operation amount sensor provided to the steering input mechanism and configured to output the first operation amount signal based on an operation of a steering operation input member of the steering input mechanism;
- the second steering actuator control unit is configured to receive a second operation amount signal from a second operation amount sensor provided to the steering input mechanism and configured to output the second operation amount signal based on an operation of the steering operation input member of the steering input mechanism;
- the first steering actuator control unit is configured to supply electric power to the first operation amount sensor;
- and
- the second steering actuator control unit is configured to supply electric power to the second operation amount sensor.
Dependencies are inferred from the claim text.