Electrical Steering TRIZ Cases

A control device limits electric power steering motor torque using calculated virtual torsion-bar values derived from steering angle deviations.

A steering control device assesses driver reliability via vibration analysis to enable safe manual mode transitions.

External rotor motor drives planetary roller nut to prevent water ingress and ensure reliable steering control.

A control unit calculates compensation requests for parallel motor drives in a power steering system.

A signal processing unit generates a torque damping component from linear and quadratic column velocity terms to stabilize steering response.

A steering control device calculates assist torque based on the absolute value of a stored turning state amount to enable smooth wheel return.

A steering servomechanism applies variable assistance force to compensate for mechanical transmission errors.

A rigid intermediate plate replaces elastic positioning to maintain torque measuring device precision while simplifying assembly.

An electric drive unit replaces hydraulic systems to reduce assembly complexity and improve steering reliability.

A vehicle control apparatus inspects a rotation detection circuit before activating the main microcomputer.

A variable limiting factor adjusts correction driver support values based on vehicle speed and steering torque.

Dynamic torque command value limiting reduces end-striking impact on low-friction roads while preserving normal steering feel.

A telescopic steering column tube uses a nested aluminum inner tube within an iron outer tube to reduce weight while maintaining structural rigidity.

A power steering control unit evaluates motor speed patterns to detect freezing impairment in the steering mechanism.

A method estimates friction in power steering systems by averaging forces from the steering wheel and assist motor during uniform turning.

A rigid intermediate plate replaces elastic supports in electric power steering devices, maintaining torque measuring device precision over time.

Dual electronic control units coordinate via a direct communication line to scale torque output and maintain steering capability.

A damping function reduces steering assistance torque during engine start cycles to stabilize the on-board electrical supply voltage.

A motor-assisted steering system adjusts damping based on generator or motor operation states to protect components.

An automated hitching system processes trailer images with a controller to steer the vehicle, resolving manual alignment difficulties.

Voltage monitoring across MOSFET terminals detects avalanche breakdown, enabling rapid safety shutdown without separate current sensors.

An external device detects torque sensor abnormalities to prevent misjudgment of main microcomputer failures, reducing system cost.

Dual calculators in a rotational angle sensor maintain essential rotation data while cutting power consumption during ignition off states.

Protective housing encloses the steering angle sensor with a gasket seal to block grease and dust contamination.

A correction unit estimates and corrects misrecognized lane data using self-feedback mechanisms to stabilize steering control.

Segmented steering modules reduce manufacturing complexity for buses and trucks while enabling electric power-assisted steering.

A turning control device learns actual rack end positions to correct virtual position errors.

A handwheel return control system blends static and dynamic velocity commands to manage steering feel.

A signal processing circuit generates a friction compensating torque to assist steering wheel movement, mitigating static and kinetic friction effects.

Niche differential evolution algorithm determines true three-dimensional dip angles in seismic data.

An air hole in the cylindrical part of a steering device discharges internal air during telescopic movement, preventing grease leakage to the external space.

A method calculates target steering wheel speed using vehicle yaw rate to adjust setpoint torque.

A controller generates counteracting torque commands based on component position and disturbance signals to eliminate tactile vibrations at the handwheel.

A control device computes rotating and returning assist forces to adjust steering wheel motion.

An energy store charges from servomotor movement to power control units and monitoring electronics during deceleration.

Radial insertion of U-shaped steering column side plates into housing slits aligns assembly directions to simplify the manufacturing process.

A dual motor winding configuration with a 30-degree phase difference corrects threshold errors in rotation angle detection.

Asynchronous force segmentation in a redundant steering system reduces synchronization complexity and vibration losses while maintaining operational safety.

A motor vehicle steering system uses multiple actuators to maintain trajectory during front-wheel unit failure.

Forced air cooling through a housing gap removes heat from the electric power steering motor, preventing overheating during high-power operation.

Dynamic current limiting prevents voltage drops that hinder engine restarts while maintaining steering system performance.

A fail-safe apparatus for motor-driven power steering systems detects vehicle speed data errors using sensor and GPS inputs.

A vehicle hitch assistance system derives a precise alignment path using position and orientation data from an external portable electronic device.

A triple redundancy steering system extends operation duration after failure by using a secondary ECU to notify a domain controller for backup operations.

A motor driven power steering apparatus detects natural vibration frequencies from motor currents to generate counteracting torque.

A steering control system generates assistance torque using angular position and vehicle speed data when the primary torque sensor fails.

An observer-based estimator refines system parameters to minimize error amounts, rejecting harmonic disturbances without increasing computational resources.

A gain-and-phase-compensated motor drive command signal reduces periodic torque content to suppress steering wheel vibrations without adding hardware.