Gearing Control TRIZ Cases

A toroidal continuously variable transmission adjusts its speed ratio to switch output shaft rotation direction while maintaining clutch engagement.

Comparing multiple independent speed sensors prevents high-speed park actuation damage by ensuring accurate vehicle velocity measurement.

Parallel shift actuators automate gear engagement in manual transmissions, reducing shifting time without increasing system complexity.

An integrated controller determines optimal shifting stages using a fuel efficiency cost function to manage engine throttle and transmission.

Segmented components and nested structures reduce device volume while maintaining ease of operation for electronic shift control.

A vehicle gear shifting control device uses speed-dependent positioning to restrict lever movement via protrusions.

A transmission control apparatus manages shifting operations using hydraulic pressure derived from actuating oil.

A movable interlocking key with a double V profile facilitates oblique gear shifts, resolving complexity trade-offs while maintaining accurate indexing.

A control method estimates vehicle velocity during transmission stage changes to prevent tractive force interruptions.

An offset cable actuator pivot routes a shift cable parallel to the instrument panel, reducing the fore-aft dimension of the passenger compartment.

A vehicle control system adjusts acceleration mapping based on the active shift range to align operation direction with travel direction.

A computing system models vehicle acceleration during automatic transmission shifts to calibrate clutch torque and slip profiles for optimal gear ratio transitions.

A shift controller detects clutch stroke via a sensor to synchronize engine and transmission rotational speeds.

Controller raises line pressure before acceleration to prevent clutch slippage and durability loss after sudden stops.

A control unit predicts time intervals between gear shifts to adjust transmission operating parameters.

Electronic oil pressure reduction timing suppresses clutch disengagement shock without adding structural accumulators.

A vehicle control apparatus adjusts lock-up clutch disengagement conditions to enhance acceleration response during kick-down operations.

Dual actuators drive a cam to precisely position a pawl, resolving engagement efficiency trade-offs in driveline immobilization.

Divided shift lever housing connects via elastic pins, eliminating manual assembly tolerance issues for automated production lines.

A hydrostatic transmission controller adjusts pump displacement to minimize output torque during braking events.

A vehicle control system detects towing conditions by monitoring drag and rolling resistance parameters to select appropriate operating modes.

A unified control unit synchronizes engine torque and shift ratio calculations to coordinate powertrain operations.

A controller adjusts electric oil pump RPM using a learned hydraulic pressure map to match actual component quality.

A manual gear shifter assembly uses a solenoid to physically block the shift lever from entering specific gear positions.

Feedback control adjusts oncoming clutch torque to eliminate transient torque disturbances and the torque hole effect during gear ratio upshifts.

An elastically deformable lug retains a pendulum mass to smooth force peaks and ease assembly in confined gearbox spaces.

A control device delays hydraulic circuit switching to prevent abrupt fluid pressure rises in automatic transmissions.

A shift lever sensor element uses a biasing spring to maintain a fixed distance from the detection unit during movement.

A transmission control unit determines optimal gear using navigation data and a sportiness counter to align shifts with driver intent.

A method controls shift element engagement in automatic transmissions to ensure safe torque transfer during gear changes.

Dividing road portions into sections optimizes speed and gear selection to minimize travel time while reducing service brake wear.

Controller adjusts clutch torque and engine torque using feedback to prevent drive force drops during automatic transmission upshifting.

Hysteresis line prevents busy shifts during N-to-N-2 skip downshifts, maintaining fuel efficiency.

A vehicle transmission separates manual and automatic shift paths using a one-direction section, preventing actuator resistance from hindering rider operation.

A parking brake mediates torque transfer to control work vehicle rollback speed on inclines.

A control device for continuously variable transmissions manages integral terms in feedback loops to optimize shift transitions.

Rollers convert sliding friction to rolling contact within a continuously variable transmission ring driving mechanism.

A vehicle control device manages internal combustion engine rotation speed to synchronize transmission components.

Line contact between the rotation cylinder and detent plate distributes urging force, lowering contact pressure to prevent durability issues.

A shift device integrates a magnet with the lock gear to detect rotor cam and restriction bar positions simultaneously.

A hydraulic control system minimizes shift valves by using solenoid valves to selectively supply pressure to actuators through multiple paths.

A hydraulic pressure supply apparatus uses a switching valve to manage fluid communication between an oil pump and an accumulator.

Segmenting parameterization into universal base sets and model-specific adjustments reduces complexity across mobile working machines.

A rotary electronic transmission system uses a panel operation device with buttons and a rotary dial to transmit gearshift signals.

Sequential accumulator venting through clutch chambers prevents unintended park disengagement during engine shutdown.

Dynamic gradient constraints balance fuel economy with driver expectations by adjusting CVT ratios in real time.