Gearing Control TRIZ Cases

A shift control device uses a stopper mechanism and angle detection to regulate shaft rotation.

Analog controllers in a secondary unit manage hydraulic pressure for normally closed clutches, preventing torque transmission during main computer failures.

A transmission control system calculates alternative gear ratios to maintain vehicle performance.

Dynamic recognition time adjusts based on lever direction, resolving the contradiction between ease of operation and rapid neutral mode setting.

Relocating the return support element to move in a plane at constant distance from the axis eliminates sleeve wear and noise.

An auxiliary member offsets a detected portion from the pivotal locus, allowing free detector placement without occupying pivot space or increasing complexity.

Sandwiching bushings between engagement surfaces eliminates gaps that cause lash, ensuring precise gear selection without plastic deformation.

A transmission control apparatus adjusts gear-shift patterns using predicted lateral acceleration to maintain vehicle stability.

Shift actuator control system manages driving force to ensure shift arm returns to neutral position for reliable gear engagement.

A control unit determines minimum brake pressure based on incline and speed to enable stable gear shifting in two-stage reduction gearboxes.

An optical position sensor replaces mechanical switches with light transmission to reduce housing size and vibration noise.

Multiple shift disks driven by one motor reduce radial space and allow non-sequential gear shifts.

Aggregated fleet clutch data generates optimized initial shifting profiles, reducing the settling period required for adaptive transmission adaptation.

A vehicle control device adjusts target input rotation speed to maintain lockup clutch engagement during deceleration.

A transmission controller calculates reference slip error from engine and turbine speeds to detect exhausting neutral idle clutches.

A coefficient of friction correction device calculates a single factor for a predetermined gear ratio and applies it uniformly to all gear ratios in a belt-type continuously variable transmission.

A lockup clutch control device adjusts engagement pressure to stabilize rotation speed differences during slip transitions.

A single-motor gear actuator uses a shift gate mechanism to perform axial selection and rotational shifting operations.

A transmission control apparatus predicts future vehicle speed to determine whether to permit a kick down shift.

Dynamic throttle valves adjust return line pressure to utilize available brake power while preventing drive motor overspeeding.

Segmenting the boost valve upstream of the pressure regulator manages hydraulic fluid pressure, improving responsiveness while containing device complexity.

Adaptive speed limiting prevents CVT belt breakage from insufficient clamping pressure while preserving traveling performance.

A control unit predicts post-shift engine rpm to optimize gear engagement timing.

A steering column mounted gear selector switch uses a rotary element aligned with the vehicle transverse axis for intuitive operation.

A controller adjusts shift schedules based on clutch torque estimation uncertainty to improve transmission control accuracy.

Fixing the pulley ratio during manual operation prevents sudden changes that cause driver incompatibility and discomfort.

A transmission control device switches between stepless and stepped modes using a controller to optimize driving force response.

Replacing conventional mechanical components with hybrid MEMS flow control valves reduces valve body weight while maintaining precise fluid pressure regulation.

Controller detects engaging element signals and increases solenoid current to compensate for oil consumption, preventing pressure reduction during gear changes.

Standardized actuation modules replace application-specific designs, eliminating structural changes and reducing manufacturing costs.

A control unit adapts transmission rotational speed ratios by detecting special load situations through sensor data and user input.

A dual torque controlled shift strategy merges two independent shift control strategies to execute sequential gear changes without time delays.

Accumulating a damage index for applied current allows the controller to identify excessive loads before motor failure occurs.

A transmission control unit calculates an anticipated engine speed based on vehicle deceleration to authorize downshifts in manual mode.

A hydraulic control system uses default enable and select valves to feed clutch regulation valves through exhaust circuits for gear engagement.

Integrating speed adjustment actuators on the control base allows operators to change maximum operating speed while maintaining a continuous grip on the handle.

Sector cam actuates range and mode shift assemblies to resolve complexity trade-offs in transfer case gear selection.

A hydraulic module control device regulates drive torque using real-time pressure and angular position data.

A single control motor drives shifting and parking units through a drive gear to reduce component count.

A two-roller variator transmission uses a lever mechanism to equalize contact forces between rollers and discs.

A predictive gear shifting system generates vehicle speed references based on look-ahead route data to optimize engine efficiency.

A cantilever spring detent assembly uses a grooved lever and biased ball to selectively engage transmission gears through axial and rotational movement.

A shift range switching device uses a variable reduction ratio actuator to drive the range switching unit efficiently.

Integrated controller merges independent engine and transmission control strategies to resolve inefficiencies during non-nominal operating states.

A vehicle control device suppresses automatic transmission downshifts during active steering attitude adjustments to maintain precise engine torque regulation.

A control apparatus regulates solenoid valve hydraulic pressure to maintain frictional coupling devices in a non-slipping state during normal operation.

Stepped downshift thresholds maintain constant accelerator pedal hysteresis, preventing double downshifts and improving engine power utilization.

Smart driving control device adjusts automatic shift modes based on real-time vehicle speed and surrounding conditions.

Segmented shifter components enable personalized shifting patterns, resolving the trade-off between driver adaptability and device complexity.