Hybrid Vehicles TRIZ Cases

A controller manages high-voltage circuit voltage levels to enable vehicle propulsion.

Parallel resistors divert current from overcharged cells to balance series batteries, eliminating complex centralized control circuitry.

A variable-volume active expansion chamber segments high-pressure air expansion to prevent regulator icing while maintaining flow rate.

Rear wheel speed mediates engine clutch engagement during traction control, resolving motor speed fluctuations that cause instability and delay.

A driving force control unit limits torque during EV to HEV mode transitions in hybrid vehicles without differential rotation absorbing elements.

A vehicle thermal management system prioritizes battery warming using engine waste heat before initiating engine heating cycles.

A non-electrical assembly drives or charges the battery independently of the electric drive system.

A hybrid vehicle control device dynamically adjusts electric motor torque output based on battery state of charge to maximize running power.

Electronic control unit increases engine speed during downshifts to simulate manual transmission rev-matching.

A vehicle computing system compares planned routes against power outage data to generate driver warnings.

Controller restricts vehicle equipment operation when battery state detector errors occur, maintaining travel reliability.

A vehicle controller adjusts operational parameters based on user-selected electric mode intensity to optimize engine operation.

Calibrated steering torque thresholds prevent unmanaged engine cycling during driver inputs, improving responsiveness and fuel efficiency.

A hybrid vehicle control device adjusts target engine rotation speed and increase rates to supplement power shortages during acceleration.

A hybrid vehicle transmission uses a freewheel-free high gear for generator-based energy recovery during overrun operation.

Segmented damping filters with dynamic timing adjustments resolve uncomfortable driving behavior caused by differing axle response dynamics.

Mounting a cable reel inside the front door with segmented pull-out and take-out openings reduces manual force required during hybrid vehicle charging.

A vehicle charging cable control module adjusts power supply based on utility and vehicle data.

Press-fit centering plate bushing aligns clutch shaft to prevent needle bearing damage during assembly.

A hybrid starter generator increases load during idle to heat the exhaust catalyst.

Dual threshold control limits rotary electric machine output and prohibits engine start to prevent overheating.

A hybrid drive system uses a braking device to lock the combustion engine while an electrical machine provides torque through a planetary gear.

A variable carrier frequency control device adjusts pulse width modulation central values to balance phase currents in electric vehicle inverters.

A vehicle drive control system adjusts actuator output using delay time to mask response characteristics.

A powertrain controller selects pseudo-electric vehicle states to transfer torque among engine and driveline components.

An auxiliary drive accelerates the transmission output shaft to synchronize speed before clutch engagement.

A hybrid vehicle transmission control method applies engine torque compensation based on motor speed and charging limits to synchronize input side speed.

Controller operates vectoring motor in speed control mode to reduce wheel speed differences exceeding a threshold, resolving traction loss on split-mu surfaces.

A controller adjusts high-voltage battery state of charge thresholds to ensure sufficient power for engine cranking in electrified vehicles.

A powertrain control apparatus adjusts hydraulic pressure to a standby value synchronized with output torque increases during transmission shifts.

Dynamic mode switching prevents specific cell overdischarge caused by unbalanced battery voltages during operation.

Rear structure design protects battery units in collisions by enabling diagonal upward movement away from obstructions, preventing contact damage.

A controller manages MHSG rotation speed to maintain engine stability during vehicle shifting operations.

A vehicle control unit sets a driving force distribution ratio between main and sub drive units to minimize electric power loss.

A hybrid powertrain control system determines permissible engine input speed and torque ranges to identify preferred operating conditions.

Nested coaxial shafts reduce overall length by eliminating stacked components while maintaining multiple operating modes.

A hybrid transmission uses a dog clutch between the electric machine and planetary gear set to optimize axial space.

A hybrid manual transmission uses an engine disconnect clutch and launch clutch to manage torque paths between the internal combustion engine and a non-concentric electric motor.

A vehicle controller adjusts the state of charge target to inhibit high-rate battery deterioration.

Motor generator control unit switches between torque and rotational speed modes to stabilize engine operation.

A voltage stabilizing circuit regulates auxiliary motor output to maintain stable input voltage at the DC-DC converter.

A center differential gear assembly integrates a planetary train with a clutch-connected electric machine to distribute torque between driven shafts.

Three planetary gear sets and six shift elements implement diverse operating modes while minimizing zero-load losses.

A torque converter stores angular momentum during electric driving to rotate the internal combustion engine for quick starting.

Dynamic startup thresholds prevent unnecessary engine ignition in polluted areas, reducing emissions while maintaining vehicle power availability.

An onboard charging control apparatus manages battery charge schedules based on vehicle usage patterns.