Gearing Control TRIZ Cases

A motor vehicle park lock uses a self-locking pawl undercut to engage the bolt.

Transmission control unit drives gear actuator through local interconnect network lines.

Polymeric isolators in transmission shift cables maintain durometer at 165°C to reduce lash and wear.

An electric motor drives the engine to power an oil pump, maintaining hydraulic pressure during deceleration fuel cut-off to prevent chain slippage.

Interchangeable gate plates reconfigure a single shifter base to support multiple transmission types, eliminating the need for duplicate inventory.

A work vehicle transmission control system manages hydraulic clutch engagement through precise rotational speed regulation.

Calculates virtual input shaft speed to determine dual clutch transmission touch point using vehicle speed and gear ratio data.

A vehicle shift lever cover moves linearly and rotates to indicate gear stages through distinct tactile feedback.

A synchronizer control method positions the sleeve at a neutral point by calculating invalid stroke distances caused by mechanical clearances.

Separating neutral detection from shifting allows softer springs, reducing rider effort while maintaining precise engagement.

A vehicle drive power controller adjusts hydrostatic transmission pressure based on torque settings and speed to manage wheel slippage.

Summing engine and braking torque determines road gradient during deceleration, enabling accurate shift map selection.

A gain control valve adjusts line pressure based on turbine torque to maintain accurate clutch torque capacity during gear shifts.

Electronic control unit determines optimal upshift timing based on engine speed and gradient to prevent torque interruption.

A gear shifter position sensor assembly uses a pivotally mounted element carrier to amplify trigger travel.

A CVT kick-down control unit adjusts gear ratios to increase engine speed during rapid acceleration.

Internal hydraulic circuitry modification via new separator plates resolves pressure imbalances in 46RE and 47RE transmissions.

An electrorheological blocking device controls a vehicle gear selection element by changing fluid viscosity to permit or restrict movement.

A deep learning model predicts future vehicle speed and accelerator position sensor values to determine optimal gear stages for proactive transmission control.

Maintaining non-zero torque on the off-going clutch brakes the output shaft, reducing shift times and improving thermal efficiency.

Electronic stability control detects vehicle stop and engages parking gear to eliminate separate parking brake hardware.

Compensating for tolerance deviations in circuit components by adjusting shift gates and positioning sliding blocks within switching arms.

Carrier rotation adjusts the roller precession axis orientation, resolving fouling risks and castor angle constraints in rolling-traction variators.

A gear shifting lever unit uses a pawl and restoring mechanism to return automatically to an initial position when operating force is eliminated.

A vehicle shift device uses distinct directional operations for gear selection switches to enhance driver operability.

A gearbox actuator device uses shared second actuating mechanisms to synchronize selector shaft movement across multiple gears.

A motorcycle shift actuator connects to the transmission through a nested link mechanism inside the clutch housing.

Automatic position correction mode detects gear mismatches and locks the shifting mechanism to prevent transmission damage.

A dual clutch transmission control unit manages target gear preselection to coordinate torque transfer between input shafts and the output.

A control device implements a dual correction system with independent units to regulate actuator current feedback accurately.

Segmented control maps resolve adaptability limits in heavy equipment transmissions by dynamically selecting operating paths based on real-time sensor data.

Electrically controlled valves engage transmission gears during the start phase before hydraulic pressure rebuilds, reducing energy consumption.

A single knob input device detects rotation and press actions to control transmission range shifts and gear shifts.

A range-switching control device detects delayed shift range switching completion times and switches to a safer gear position.

Elastic member with slit and stopper absorbs shift lever impact to suppress striking noise during automatic return.

A transmission control device selects shift modes to maintain engine speed and improve acceleration performance.

Axially offset lead grooves on a shift drum enable additional gear positions without enlarging the transmission diameter or redesigning the groove structure.

A continuous runtime adaptation method optimizes shifting parameters by calculating idealized rotational speeds and adjusting control signals in real time.

A compact servo system uses a cam mechanism to control gear shift rotation and axial movement.

A shifting device uses a pivotably mounted transmission component and spring element for reliable gear selection.

A wheel-speed sensor mounting device houses the detection element within a protective shell to shield internal components from external exposure.

A rotation body with positioning marks aligns the switching member automatically, eliminating manual verification of relative positions.

A transmission controller adjusts engine torque limits based on fluid temperature to protect internal components from overstressing.

A vehicle control apparatus calculates target engine torque using intermediate gear ratios derived from input and clutch torque states.

A servo-assisted gearbox device uses a radially arranged spring element to reduce manual shifting force.

A computer system calculates driveline ratios using engine and vehicle speeds to update transmission gear mappings dynamically.