Road Transport TRIZ Cases

Cover and resilient members compensate for spline backlash while absorbing axial vibrations to prevent stopper ring durability loss.

Driver assistance system determines stopping positions as coasting destinations to decelerate vehicles to a complete stop.

Controller calculates actual offgoing clutch torque to determine precise pressure commands for automatic transmission shifts.

A vehicle gearbox switches between overdrive and disconnected engine modes to reduce parasitic losses.

Coasting switching control unit adjusts engine connection based on road gradient to optimize fuel economy and re-acceleration response.

A unified controller coordinates predictive cruise control and idle coast management to reduce engine drag and fuel consumption.

Integrated hybrid starter generator adjusts output torque to match engine friction during fuel cut-off.

A controller manages clutch engagement to enable fuel-saving sailing mode during vehicle coasting.

A control system manages clutch engagement in automatic transmissions to regulate engine rotational speed during operation.

Applying hydraulic pressure to a lock-up clutch during sailing stop reduces the flow rate needed for forward clutch engagement, eliminating time lag.

A vehicle control apparatus manages clutch engagement to enter a coasting state based on operational conditions.

A vehicle shift control device adjusts engagement device torque capacity before torque-up operations to synchronize transmission input shaft rotation speeds.

A vehicle shift control device adjusts transmission stages using road gradient detection to manage neutral clutch release during coasting.

An automated transmission control system shifts to a higher gear during downhill driving to maintain vehicle momentum.

Replacing friction clutches with an electromechanical design minimizes spin losses in planetary gear transmissions, improving fuel economy and responsiveness.

A vehicle transmission control system predicts stop positions using traffic light states to determine optimal speed profiles.

Stuck mode controller rocks vehicle through alternating gear shifts, bypassing traction control limits that hinder extrication from low-traction surfaces.

A coast-stop control device adjusts transmission gear ratios before engine stop to maintain hydraulic pressure.

An electrical processing circuit adjusts the infinitely variable transmission ratio to prevent engine back-driving during deceleration.

A vehicle clutch transition mechanism adjusts engagement speed to manage drag torque during mode switching.

Controller uses stored speed profiles to adjust gears for maintaining vehicle velocity on downhill slopes, reducing brake wear and fuel consumption.

A predictive cruise control system modulates vehicle speed to enable engine off coasting based on look ahead data.

Controller switches HST pump absorption torque curve matching point to optimize fuel economy while preventing jolts during control transitions.

A vehicle drive train method controls frictional and positive-locking shifting elements to manage power flow during coasting operations.

A vehicle controller applies pedal effort to the accelerator pedal to guide inertial driving.

A control device adjusts drive motor acceleration parameters upon exiting coasting mode to restore speed and distance targets.

A shifting control method synchronizes engine rotational speed and cooperatively controls engine torque during gear engagement.

A vehicle power transmission control apparatus calculates driving force using inertia loss and transmission efficiency data.

A vehicle control device sets a speed threshold to deactivate coasting mode based on current velocity and permissible acceleration limits.

A vehicle speed control device restores drive train adhesion based on a selectable speed difference between current velocity and a lower limit.

A hybrid drive train method manages rotational speed differences at the separating element to enable electric driving.

A coasting downshift control device adjusts engagement hydraulic pressure during automatic transmission reengagement.

Segmented clutch phases and feedback loops decouple engine speed from output torque, reducing unexpected vehicle deceleration during inertia transitions.

Segmented clutch control enables coasting mode in lower and higher gears, reducing drag torque and fuel consumption.

Electronic control unit detects blipping abnormality and disengages engagement element to restrict deceleration.

Preliminary hydraulic pressure supply eliminates downshift delays, ensuring immediate drive power upon acceleration requests.

A vehicle control device calculates balance gradients to switch between neutral and gear-in coasting states.

Control unit modifies engine stop-start timing based on air conditioning demand, preventing performance degradation while optimizing fuel efficiency.

Controller limits engine torque based on RPM feedback to prevent reverse shock and NOx emissions.

A vehicle clutch system synchronizes drive and driven shaft speeds during transition to freewheel mode.

A vehicle controller permits shift operations to neutral during coasting control.

A coasting management controller predicts vehicle speed changes to automatically disengage the engine from the driveline.

Controller computes coasting feasibility by comparing distances to resolve fuel efficiency versus processing complexity.

A coasting timer system uses an accelerator pedal sensor and electronic control unit to predict acceleration intervals.

A travel control device switches between constant speed and coasting modes to maintain target velocity.

Segmented leaf springs create a multistage characteristic that eliminates gear rattle and start-up grab across load regions.

A controller acquires speed camera enforcement section information to manage coasting neutral control timing.

Segmented lubrication via punched hub holes reduces drag moments from simultaneous oil flow, extending synchronizer service life.