Hybrid Vehicles TRIZ Cases

A decoupled engine runs as an air pump while electric drive maintains propulsion, raising exhaust oxygen for faster particulate filter regeneration.

Only selected utility-mode functions stay powered while unselected vehicle functions are shut off to reduce battery discharge and extend battery life.

Modular clutch rings simplify 4WD switching, cut vehicle length and weight, and reduce 2WD noise and vibration at high speed.

Route gradient estimates and a confidence factor adjust EV battery target SOC to preserve regenerative braking capacity on descents.

Limits regenerative deceleration torque during sudden braking to prevent engine stall and suppress vibration when clutch states switch.

When auto park-range switching is disabled, this control keeps the vehicle in neutral while cutting component power to prevent battery drain.

Maintaining combustion while the generator drives the engine creates negative torque, preserving GPF temperature limits and deceleration.

A processor detects battery pack relay failure at vehicle start, then triggers starter battery discharge to block ignition and unsafe power output.

An ISGM launches the vehicle and starts the engine through phased clutch control, improving launch efficiency and regenerative charging.

A controller adjusts engine and dual-motor power split from SOC, speed, and load forecasts to improve fuel use and limit battery wear.

Controlling reflective-symmetry grain boundaries in positive electrode particles reduces cracking, gas generation, and cycle fade at high voltage.

Dynamic battery energy reservation for catalyst heating improves emission compliance while preserving hybrid driving efficiency and comfort.

Electrical machines keep PTO and auxiliary consumers supplied with torque during standstill, gear shifts, and engine-off operation.

When engine bearing damage is detected, the controller stops motor and HSG forcing and keeps low-speed engine-only travel to prevent burnout.

Mechanical and hydraulic backup paths keep steering, braking, or other critical vehicle functions available when digital control fails.

Stored motor-travel history lets a hybrid EV resume electric driving after shutdown near a motor-travel spot, even on unmapped private land.

A dual-battery regenerative mode warms the main EV battery without using its own charge, preserving range, efficiency, and battery health in cold operation.

A hydroxyl- and butyral/acetal-based anode resin suppresses water electrolysis in aqueous Li-ion batteries, improving efficiency and cycle life.

By blocking wide-open-throttle in CD mode and blending engine and motor torque, this case improves fuel efficiency and suppresses emissions.

A rear housing that integrates wheel-drive motors and a PTO motor enables independent rear wheel rotation while using space efficiently.

Passenger-state detection adjusts engine, charging, and climate control to reduce rest-disrupting noise and vibration while limiting idle fuel use.

A dynamic turbo-equivalent power limit uses motor torque control to match engine-only turbo response and smooth hybrid power delivery.

A second switch routes AC machine windings to the catalyst heater, cutting high-current DC/DC hardware, weight, and control complexity.

When charging demand exceeds direct-drive capability, the vehicle switches to series mode to speed battery charging without worsening fuel use.

A single carrier support bearing controls axial end play in a coaxial electrified drive axle, cutting transmission size and cost without added NVH or wear.

Counts short cold engine-on events and extends warm-up at speed to evaporate fuel from engine oil and protect oil service life.

During EV-mode gear shifts, the controller starts the engine at the right sync point to avoid dead pedal torque loss and keep the HEV responsive.

By shifting front-rear torque split before the motor enters a noise region, this case reduces EV propulsion noise and vibration while maintaining drive torque.

Switchable stator coil connections let one motor run in dual-inverter mode for high torque or single mode to cut inductance and losses.

Dynamic battery reserve control keeps room for chassis-generated energy in hybrid vehicles, improving energy use without oversizing storage.

A coaxial output gear and primary shaft layout delivers wide reduction ratios in a lighter, more compact truck e-drive axle gearbox.

A temperature-triggered safety member melts insulating layers to force an internal short and stop external short-circuit current in battery modules.

Nested coaxial motors and switchable planetary gearing balance high wheel torque, efficient single-engine drive, and yaw control.

Discharged oil is redirected by cover cutouts and ribs toward the rotating machine, improving cooling without a more complex relief valve.

Convex mission control cuts real-time computation while balancing engine-battery power split and aftertreatment emission constraints.

A shared thermal circuit lets the battery, powertrain, and cabin exchange heat bidirectionally to cut waste, speed warm-up, and simplify EV thermal control.

A controller compares trip power demand with available energy and adjusts vehicles or routes to complete trips with lower fuel use and emissions.

Multi-factor battery evaluation uses load, environment, and cycling data to predict longevity and match batteries to vehicle usage.

Battery reserve control adds a margin and switches BEV, HEV, or charging modes to cross engine-restricted sections without excess fuel use.

Torque is split between two motors based on clutch lock-up and charging limits to keep transmission input speed on target during shifts.

Planned road prediction guides battery SOC ranges and path selection to cut vehicle energy use and improve hybrid fuel economy.

A differential with a superimposed planetary gear set and switchable second rotor boosts cornering torque vectoring while enabling efficient single-engine driving.

Integrated water-cooling passages cool electrical casings and the motor oil cooler, simplifying the layout and improving hybrid EV installation flexibility.

Topological trajectory classes help autonomous vehicles find feasible lane changes in dense traffic with lower collision and rule-violation risk.

Separating electrical casings around the drive casing improves EV packaging flexibility while limiting heat exposure and cooling loss.

Separating electrical casings across multiple drive casing surfaces improves EV packaging freedom while limiting heat exposure and preserving cooling.

After warm-up, the controller shifts engine operation to higher torque and lower speed for high-alcohol fuel, improving efficiency without unstable combustion.

Allocates battery output between engine restart and onboard electric loads to avoid extra batteries, added weight, and fuel-efficiency loss.

Deactivating the electric transmission fluid pump during engine pull-up stabilizes clutch torque transfer and reduces hybrid driveline disturbances.

A hybrid module clutch balance chamber equalizes dynamic pressure across fluid chambers, preventing air trapping and inefficient control during rotation.

A hybrid vehicle control device adjusts throttle valve opening to manage stoichiometric and lean combustion mode transitions.

A vacuum pump draws uncombusted fuel from engine cylinders into a fuel vapor canister during engine-off events.

Substituting effective speed for zero actual speed enables accurate torque differentiation and reliable control without adding system complexity.

An ECU calculates predicted battery levels to time catalytic heating, preventing excessive power drain while ensuring readiness.

Routing a manual release cable within the electrical harness resolves stuck lock malfunctions while minimizing added device complexity.

A vehicle layout uses a clutch to disconnect torque between the motor and continuously variable transmission.

A venting device sealing body opens to release pressure, enabling direct thermal runaway detection through position monitoring.

Rotating plunger in bobbin solenoid drives locking assembly to maintain valve position without continuous power, reducing heat and energy consumption.

Controller adjusts low voltage battery charging speed based on high voltage state of charge and traveling conditions.

Segmented cooling circuits manage heat for distinct capacitors, resolving thermal management issues and improving mountability.

A controller cancels transmission ratio changes when engine start faults occur in hybrid vehicles.

A controller system manages vehicle electrical recuperation by interpreting accelerator pedal dynamics to initiate energy recovery phases.

A vehicle control system dynamically adjusts powertrain operating modes using GPS location data and air quality sensor readings.

An insulation resistance sensor and battery power management system selectively disconnect faulty high voltage elements to maintain vehicle control.

A hybrid drive system uses a planetary gear and electric machine to transfer torque for vehicle startup.

Segmented electric machines with selective clutches reduce energy losses during torque transfer and regenerative braking.

Power control unit toggles charging mode signal upon connector state changes to activate energy storage charging.

Angled non-cuboid rotor magnets minimize demagnetization from stator fields, enabling thinner designs and simplified manufacturing.

A controller increases variable resistor resistance during IGBT turn-on to prevent false triggering caused by excessive Miller plateau voltage.

Electronic control unit adjusts transmission torque based on engine and battery power levels.

Prevents insufficient state of charge increase during congestion by prohibiting electric vehicle priority control while executing pre-change control.

A vehicle propulsion system uses a bi-directional boost converter to decouple voltage output from a second energy storage system.

Curved nose and roof scoop reduce aerodynamic drag to improve fuel efficiency in semi-trucks.

A hybrid vehicle alternator control method adjusts torque draw from the heat engine based on vehicle speed and clutch position.

A hybrid control unit switches travel modes based on sensor abnormalities to ensure safe vehicle operation.