Hybrid Vehicles TRIZ Cases

A control unit adjusts motor rotation speed to start an internal-combustion engine with a specific acoustic profile.

A hybrid vehicle control apparatus reduces electric motor torque before unlocking the engine output shaft to prevent reverse rotation.

Oscillating spherical rollers in a toroidal CVT maintain torque at high speeds, eliminating auxiliary systems and braking energy loss.

A vehicle start/stop system adjusts engine stop parameters based on driver inputs through a human-machine interface.

A shift controller adjusts transmission timing based on front vehicle detection and road data to optimize regenerative braking operations.

A controller estimates distance to empty using real-time driving conditions and sensor data.

A coaxial electric drive merges motor, transmission, and differential into a single unit to reduce space requirements.

Electronic control unit routes engine power through a first motor generator to a second motor generator, preventing friction clutch slipping and overheating.

A main controller adjusts the charge discharge range of an electricity storage device to ensure sufficient power for engine start.

HV-ECU disconnects clutch plates when fuel is low, letting the electric motor power the vehicle and suppress deceleration.

Fueling and charging controller prevents simultaneous refueling and charging operations to eliminate safety risks from gas fumes and static electricity.

An electric heater activates the catalyst before engine start in hybrid vehicles exiting low emission zones.

A hybrid work machine uses engine speed reduction to generate surplus torque for rapid battery charging via a generator-motor.

Integrating the flywheel with the intermediate shaft minimizes installation space while ensuring consistent vibration damping across all operating states.

Engine speed and load adjustments oxidize carbon deposits on spark plugs to maintain ignition reliability.

Segmented DC leakage current detectors generate net voltage outputs to locate faults, resolving the trade-off between detection precision and information loss.

Relocating torque monitoring to the intrinsically safe electric drive control unit eliminates complex secure data exchange while maintaining safety.

An energy storage component supplements generator output during peak demands, allowing the engine to maintain constant speed and reduce fuel consumption.

A unified power converter merges high and low voltage conversion functions using parallel non-inverting buck-boost modules.

External cooling plates dissipate heat through the housing cover plate, eliminating internal coolant channels to reduce leak risks and system complexity.

Controller synchronizes motor speed with input shaft during hybrid DCT downshifts, preventing backward sliding on steep slopes.

Shared axis spline connection reduces assembly complexity and improves productivity in hybrid vehicle power transmitting apparatus.

Electronic speed control reduces rotation deviation between dog clutches, enabling smooth coupling without mechanical force modulation mechanisms.

Control unit limits electric compressor output to reduce engine compartment heat generation.

Dynamic battery reserve management supplies supplemental torque to eliminate turbo lag at altitude without increasing manufacturing cost.

A driver assistance system prepares energy forecasts based on anticipated behavior to determine optimized driving actions.

A hybrid axle driving apparatus employs a planetary gear mechanism and input output switchover unit to enable engine-only travel when the electric motor fails.

A controller inhibits engine autostarts when battery current exceeds a threshold during transient load activation.

Single housing integrates power split gearset and multi-step transmission to boost reverse torque without increasing device complexity.

A hybrid vehicle control method uses the rear electric machine to recharge the battery while maintaining thermal traction chain speed.

Independent stator coil control manages electrical states to resolve the torque versus friction trade-off during engine startup.

Simultaneous relay diagnosis reduces shutdown checking time while ensuring reliable power supply disconnection for electric vehicles.

A control system adjusts the electric oil pump speed to ensure continuous transaxle lubrication when the engine is off.

A hybrid vehicle controller adjusts electric machine torque to drive a torque converter impeller toward a desired speed.

Placing the high-power battery in the riding space and the high-capacity battery in the luggage space resolves noise and heat contradictions.