Hybrid Vehicles TRIZ Cases

Historical prohibition frequency adjusts target SOC so low-SOC control preserves fuel economy without blocking EV priority mode.

By placing the transmission and its coolant channel between the exhaust pipe and motor, this layout suppresses motor heating without extra parts.

A modular auxiliary hybrid retrofit adds electric propulsion or range extension without changing the stock drivetrain, lowering conversion cost.

A compact two-planetary e-axle transmission uses shared gear connections and shift elements to deliver wide ratios with lower complexity and cost.

Real-time upper and lower torque limits catch calculation errors in hybrid vehicles to prevent unintended acceleration or deceleration.

Dynamic speed sections let autonomous cruise control cut energy use using road, driver, and forward-vehicle data while keeping target speed accurate.

Three operating modes use dual electromagnetic machines and a planetary gear set to balance engine power flow and improve fuel efficiency.

A cooling plate between split rotor cores distributes fluid to cool rotor and stator while preserving core strength and magnetic stability.

Torque demand, SOC, and battery SOH are used to adjust genset output and power split, balancing fuel use with storage life.

Predicting future engine torque lets motor output fill response lag, reducing torque deviation and improving hybrid vehicle drivability.

Generator torque control creates room for regeneration during fuel-cut prohibition, preserving deceleration while protecting the GPF from overheating.

Compressed intake air is routed through the EGR line to preheat the electrically heated catalyst, cutting light-off time and extra hardware.

Rectified generator power from an inverter auxiliary leg heats exhaust aftertreatment components to keep catalysts in range with lower fuel and complexity.

Higher engine speed during warm-up keeps a hybrid engine on an efficient operating line when fuel-saving devices are inactive.

Nested planetary gear sets and shared shafts add more EV gearbox ratios while limiting weight, space, and energy loss.

An electric drivetrain moves the vehicle while the engine idles and a fuel burner heats the SCR, cutting cold-start NOx without delaying use.

Adjusts regenerative braking continuation range and retention by road condition to keep low-speed deceleration stable while recovering more energy.

A nested solid and hollow shaft layout lets one tractor power source drive multiple loads independently while easing packaging constraints.

Tracks fuel entering and evaporating from hybrid engine oil, then adjusts torque and engine stop behavior to limit dilution and wear.

When a step-up converter lower-arm short occurs, limp-home control disconnects the storage device and limits third-motor overheating.

A raised floor pan creates underfloor battery space for hybrid and electric vehicles while preserving cabin room and shared production tooling.

Bi-directional PFC and isolated DC-DC charging cut dual motor inverter size and weight while simplifying shared fluid cooling.

Periodic engine charging in stay mode keeps cabin power available for long stops while reducing idling noise, exhaust, and engine wear.

Electric machines balance drive torque while the engine stays within diagnostic torque limits, cutting fuel use and emissions.

A front beam axle layout places the power unit and battery between frame rails to enable 4WD, higher towing capacity, and steering clearance.

Placing both shaft bearings on one side of the transmission gear simplifies assembly, saves space, and maintains a wide bearing base in hybrid drives.

Adapting motor-to-gearbox speed difference by engaged gear ratio limits clutch slip losses and torque disturbance during hybrid engine start.

Anticipatory torque setpoint control smooths hybrid AWD mode changes when the engine couples in, reducing jerks and preserving drive uniformity.

GPS and battery-state data trigger preheating or cooling before arrival, cutting EV charging time in hot or cold conditions.

Negative-torque combustion lets a series hybrid maintain deceleration when fuel cut is blocked to protect the exhaust particulate filter.

Atmospheric-pressure-based throttle control keeps intake air constant during clutch re-engagement, improving high-altitude acceleration.

Modular rotor-stator sets switch winding modes and engagement states to maintain motor-generator efficiency across wide torque and RPM ranges.

A phased P2 hybrid control sequence shifts to friction braking before K0 clutch engagement, avoiding G-force drops during engine restart.

At cold start, generator power is diverted from the traction battery to an auxiliary battery and heater to prevent low-temperature battery damage.

Parallel motor and transmission placement shortens a hybrid powertrain while preserving torque delivery and power transmission control.

A timer-based sensor fault reset lets the range-extender engine exit reduced mode and resume battery charging before discharge immobilizes the vehicle.

Generator regenerative control maintains torque assistance after transistor cutoff, preventing engine stall during eVTOL startup transition.

By letting the first motor generate power when coupled to the engine, this hybrid drive assembly removes a separate generator and enables flexible differential output.

A dual-powertrain EV drive layout lets one machine act as both motor and generator, cutting component count, space use, and cost.

Cast crossmembers and extruded side rails create one vehicle frame for ICE or BEV layouts, with integrated cooling, electrical interfaces, and crash load paths.

Maintaining the generator in a regenerative state prevents engine stall during eVTOL startup while preserving stable power generation.

OBESS state-of-charge thresholds govern generator, hybrid, and battery-only train modes to cut emissions without excessive battery depletion.

Combining combustion engines and electric motors through planetary gears extends drone range and lift while preserving precise control and backup power.

A parallel motor shaft and connection housing enable compact, lower-cost torque integration with conventional lorry transmissions.

A tunnel-mounted motor/generator and bed battery enable silent electric travel in a military driveline while preserving engine-powered operation.

Continuous band-shaped rotor layers with spaced bonding portions simplify magnetization while improving motor torque, output, and cost.

A two-stage lock-up valve strategy starts with a neutral clutch state, then shifts to disengagement when cranking speed is too low to start the engine.