Hybrid Vehicles TRIZ Cases

Merging pre-reduction into planetary gear sets reduces installation space and manufacturing costs while maintaining high starting torque.

A control unit calculates coasting velocity and torque to optimize regenerative energy recovery.

A hybrid vehicle DC link uses motor generator counter electromotive force to charge the bus when the high voltage main relay turns off.

A hybrid vehicle power generation controller manages internal combustion engine speed to maintain differential rotation across engagement clutches.

Controller detects rapid deceleration and acceleration events to identify transmission clutch slip conditions in hybrid vehicles.

A hybrid vehicle controller derives an optimum state of charge trajectory using predicted future speed and environmental data.

Electronic control unit tracks abnormal combustion events to detect engine faults in hybrid vehicles.

A dual clutch transmission couples a rotary electrical machine to input shafts via one-way clutches for energy harvesting.

A vehicle control device adjusts drive impossible states based on occupant detection results to optimize power management.

A vehicle controller inhibits engine startup when approaching frequently visited destinations using available battery energy reserves.

A power transmission apparatus controls lubricating oil supply to a selectable one-way clutch using an oil passage aligned with a through-hole in a selector plate.

Composite ring press-fitted onto rotor support withstands centrifugal forces exceeding 10,000 rpm for reliable energy storage.

Segmenting driving torque between a primary motor and an HSG unit prevents component burning by managing thermal limits during battery charging.

A hybrid vehicle drive control unit increases engine torque output during deceleration to warm the exhaust catalyst using mechanical energy from the motor generator.

Controller injects counter-current to detect balanced leakage faults and maintain system balance.

Control system adjusts operating modes based on energy storage parameters and actuator states to improve powertrain efficiency during engine restart cycles.

A brake pedal simulator fault gain change method modifies pedal force to provide tactile feedback during system degradation.

Segmented connector sections allow separate balancing of the rotor and torque converter, avoiding full unit replacement during repairs.

A hybrid vehicle electrical system control method disconnects the battery pack from the traction voltage DC-link using a relay.

A controller drives a mild hybrid engine starter until preset RPM thresholds are reached before engaging the MHSG.

A self-learning regenerative braking control module adjusts braking ratios based on real-time driving signals.

Multi-function motor units in a planetary gear set reduce part count and manufacturing costs while maintaining driving flexibility across modes.

Controller permits remote engine start during charging by locking shift lever in parking position to prevent accidental vehicle movement.

A hybrid vehicle control system shuts down a booster converter to manage overvoltage during regenerative braking.

A turbocharger control device maintains mechanical abutting of variable nozzle vanes against a stopper using a motor actuator.

An electrically variable transmission uses three planetary gear sets and two motor generators to provide continuously variable speed ratios.

A hybrid powertrain control system calculates engine crank angle position using electric machine signals and input shaft twist data.

A hybrid motor reverse shift control method uses zero-torque preliminary action to reduce rotational inertia before directional switching.

Segmented fuel cell modules and independent motors resolve single-point failure risks, ensuring continued operation and improved climbing performance.

Octothorpe-shaped suspension member encloses rear wheel-driving motor and high-voltage lines, preventing fuel tank contact during rear-end collisions.

A hybrid vehicle traction battery charging method uses accelerator pedal position to activate recharging when the vehicle is stationary.

A regenerative control device coordinates engine torque and motor generation to stabilize cabin heating during vehicle deceleration.

A hybrid vehicle controller processes look-ahead data to determine optimal engine and motor parameters.

A vehicle drive system uses removable battery cartridges and a 3-level inverter to generate motor drive voltage higher than individual battery output.

One-way clutch bearings in external gears allow a dual input pump to switch between engine and motor power sources for efficient hybrid operation.

Alternative monitoring limits engine rotational speed based on driver requests, resolving sensor signal unavailability while preserving driving comfort.

A regenerative brake motor converts wheel torque into electric energy via a one-way clutch positioned between the crankshaft and primary gear.

A failure diagnosis apparatus adjusts diagnostic criteria based on operational states to prevent erroneous engine shutdowns during external power supply.

A vehicle drive control system manages motor generator output to enable smooth engine restart during creeping mode.

A Ravigneaux gear train integrates single and double pinion planetary gears with multiple clutches to manage engine power flow.

A controller adjusts engine operating points to increase intake manifold negative pressure for rapid fuel vapor purging.

A mild hybrid starter-generator increases engine rotation speed using battery electricity before fuel injection begins.

Accumulates positive variance of acceleration demanded power to trigger engine start only when sufficient demand exists, reducing unnecessary mode switching.

Digital logic components compare phase currents to reference values, enabling robust open phase detection across the entire speed range of electric motors.

Electric motor torque launches vehicle while clutch synchronizes at low speed, reducing friction heat losses and wear.

A hybrid vehicle disconnector uses a linear sensor to monitor shift fork transfer distance for precise rotary power control.

A single actuator drive positions a switching rod into three axial states, enabling serial gear changes that reduce shifting force and complexity.