Mechanical Steering TRIZ Cases
- Steer-by-Wire System with Switchable Clutch for Parking Torque
A steer-by-wire steering system uses a switchable clutch to couple individual wheel actuators.
- Steer-by-wire torque control via actuator current
A steer-by-wire controller calculates steering reaction torque using wheel turning actuator driving current instead of mechanical sensors.
- Steer-by-Wire Redundant Power and Sensor Architecture
Segmenting power and communication channels with a dedicated second steering angle sensor improves fault tolerance while reducing device complexity.
- Steer-by-wire polarity switching for trailer maneuverability
Switchable polarity electrical components adjust roadwheel rotation to resolve counterintuitive steering logic during rearward towing operations.
- Steer-by-wire column single shaft NVH packaging
Integrating the actuator within a single shaft assembly resolves NVH requirements while reducing manufacturing costs.
- Steering Column Motor Sensor Placement and PCB Orientation
Sensors relocate away from motor windings to reduce electromagnetic interference, while inclined circuit boards optimize packaging volume.
- Steering Column Intermediate Rotor Rotation Limit
An intermediate rotor mediates steering shaft rotation to engage end stop means, preventing indefinite wheel spin in steer-by-wire systems.
- Isolation Valve for Load-Reaction Steering Feedback
An isolation valve selectively enables a load-reaction feature in parallel steering circuits to transmit operator feedback.
- Steering Device Torque Distribution and Friction Detection
Dynamic torque distribution optimizes motor control while detecting anomalous friction in ball screw mechanisms.
- Power Steering Motor Control via Stiffness Compensation
Stiffness compensation calculates rack angular position from motor torque to maintain stability under external road disturbances.
- Steering Wheel Rim Integrated Electric Machine Torque
Relocating the electric machine to the rim generates high torque with minimal mounting space, enabling retrofitting of autonomous steering systems.
- Steering Feedback Actuator Torque Amplification
Integrated transmission amplifies motor torque into steering shaft, reducing control complexity and motor size.
- Steering System Conditional Wheel Position Correction
A steering control unit detects rotational displacement between the steering wheel and turning wheels to manage synchronization.
- Steering Clutch Engagement Detection via Torque Feedback
A vehicle steering control apparatus detects clutch engagement using operating torque changes to shift modes.
- Steering System Planetary Gear Redundancy
Planetary gear steering system uses dual sensors to resolve reliability complexity trade-offs in steer-by-wire designs.
- Steer-by-Wire Steering System Redundancy
A steer-by-wire steering system uses dedicated communication lines and a shared bus to maintain vehicle direction control.
- Rotation-Limiting Device for Steering Shaft Multi-Turn Control
Segmented rotation members with nested protrusions increase lock-to-lock turns beyond standard limits while maintaining mechanical stopping force.
- Steering Assist Torque Reduction for Anomaly Recognition
A steering assist control system reduces assist torque upon detecting a one-unit actuator anomaly to signal the fault condition.
- Steering Wheel with Fixed Eccentric Hub for Stowed Packaging
A center-stationary steering wheel integrates into a telescoping column to enable dashboard stowage.