Hybrid Vehicles TRIZ Cases

A two-stage hybrid EV start sequence pauses and resumes motor generator power to protect the battery while improving quiet engine start success.

Configurable SOC-based range extender modes preserve vehicle dynamic force while limiting unnecessary operation, cost, and NVH.

Route-aware PHEV control suppresses engine starts on short trips and preserves charge for low-carbon refueling on longer routes.

Routing wire harnesses beside the fuel tank preserves second-row seat travel while keeping a low, flat minivan cabin floor.

Standardized backup holding status and abnormality signals let vehicle planning systems work across brake and parking lock variants with less design effort.

A communication link lets a towed EV synchronize torque, braking, and charging with the towing vehicle to cut drag and recover energy.

A dual-mode regenerative braking control routes more braking energy into the cooling loop when the battery cannot absorb charge.

A plug-in hybrid minivan rearranges battery, fuel tank, and power units to keep a low flat floor and spacious passenger compartment.

An offset battery and side-routed exhaust pipe preserve a low flat minivan floor while fitting a large PHEV battery and maintaining balance.

A motor-driven electric creep mode replaces fuel creep after brake release, improving low-speed operability while cutting idling fuel use and emissions.

By moving the battery under the floor and placing the charger rearward on the floor panel, this layout preserves a flat minivan cabin and seat travel.

Calculating compensation torques and command torque limits helps hybrid EVs detect torque command abnormalities and trigger fail-safe control.

An offset underfloor battery and opposite-side exhaust pipe fit large PHEV minivan battery capacity without raising floor height or losing cabin space.

Digital pulse engine control and predictive mode switching cut heavy-truck fuel use while maintaining power and stable emissions compliance.

Air flow is reduced when engine oxygen and pump air are supplied together, speeding filter regeneration while limiting overheating.

A speed-based DC bus voltage command lets a faulted EV or hybrid motor freewheel without brake torque or battery charging current.

Jerk-based profiling combines open-loop acceleration and closed-loop torque correction to reach changing motor target speeds within torque slew limits.

A two-driveline working machine disconnects the low-speed wheel drive above a threshold to preserve rim pull, top speed, and simpler hardware.

Electric-assist compression boosts transient hydrogen engine power while keeping lambda lean enough to limit NOx in hybrid generator operation.

A downstream freewheel decouples electric-machine torque from the hydrodynamic converter, cutting cavitation wear and energy loss.

A series spring-damper suspension mount cuts EV vibration transmissibility across frequencies while reducing damper size, cost, and space.

Stored battery thresholds trigger automatic EV travel near a base, reducing engine noise while ensuring enough charge to arrive.

Route planning uses terrain, altitude, and forecast weather to switch hybrid energy sources, cutting fuel use, emissions, and component wear.

Limiting engine speed rise as generator torque nears zero helps hybrid powersplit vehicles avoid lash clunk during driver tip-in.

Distributed clutches and an input reduction gear set enable a three-speed EV transmission that fits varied packaging needs while reducing component stress.

Limits compensation torque to vehicle-level system bounds, preventing false abnormality flags when hybrid power-source commands are compared.

A multi-shaft three-speed EV transmission shifts clutch layout and output shaft drop to fit different vehicle packages while reducing high-speed component stress.

A multi-range clutch and input reduction gear enable a three-speed EV transmission that fits varied packaging layouts while reducing component stress.

Combining batteries with a controlled secondary source covers transient aircraft loads without oversizing, cutting weight while maintaining power continuity.

A direct-drive hybrid powertrain cuts belt and conversion losses in transport climate control while matching low-load efficiency and peak demand.

By predicting lead-vehicle motion and driver behavior, engine stop-start control cuts fuel use without dulling acceleration response.

MLA-based point cloud and coverage analysis detects LiDAR degradation from weather or contamination, enabling cleaning or trajectory adjustment.

A propeller-shaft KERS switches between power generation and propulsion torque to keep aftertreatment temperature in range and cut emissions.

A coupling device blocks the transmission power takeoff shaft to create a compact parking brake without extra actuators, saving space and cost.

Placing the battery between the motor and engine improves hybrid truck weight balance, travel stability, and battery replacement access.

A two-level controller uses route preview and real-time driver inputs to optimize hybrid torque split without locking into rigid route plans.

When clutch lock-up is detected in reverse, the control shifts the transmission to neutral to prevent engine reverse rotation and vibration.

Variable torque-rate control lets one axle compensate when another torque source misses target, improving total wheel torque and stability.

Historical cutoff SOC and peak power demand are used to set a user-adaptive switching threshold that reduces unnecessary engine starts.

Predictive actuator control smooths coasting deceleration by compensating when alternator or air-conditioner braking force becomes unavailable.

A variable delay keeps the electric machine clutch engaged through neutral, cutting wait time and improving response in rapid forward-reverse shifts.

A rear-mounted hybrid module with separate power paths lets the drivetrain avoid oversizing while improving balance and efficiency.

A partial clutch start followed by clutch opening and fuel-based speed matching cuts clutch wear and avoids wheel torque disturbances.

A threshold-based torque limit preserves battery charge during overrunning, then allows higher motor torque to speed shaft synchronization for engine start.

An inverted motor nested inside the differential cuts axle packaging space while enabling easier 4WD and hybrid vehicle conversion.

Opposed selector forks let one self-locking actuator independently engage two clutches, cutting parts, cost, wear, and power losses.

A planetary gear electric CVT places the engine and electric machines outside the housing to cut hydraulic losses, weight, and custom design cost.

A magnetic clutch and regenerative backup motor rapidly stop a vehicle after collision detection, then reverse briefly to mitigate impact damage.

Gradient-boosted surrogate models speed hybrid EV energy control optimization while preserving accuracy for efficiency, emissions, and battery load.

Segmenting the stator into two facing sub-machines reduces radial extent and line losses for wheel hub integration.

A torsion angle compensator estimates resolver offset deviations based on motor rotor shaft twist.

Integrated planetary gearset manages torque distribution between half-shafts via selective friction element engagement.

Shorter internal wiring between the high-capacity battery and the power control unit reduces electrical transmission loss.

A hybrid powertrain control system coordinates engine and electric machine torque requests to maintain smooth vehicle acceleration.

A fault evaluation device maps acceleration and learning progress variables to output an evaluation value for automatic transmission faults.

A hybrid drive control device selects acceleration or fuel efficiency modes to start the vehicle using specific electric motor configurations.

Removing the engine clutch via a complex synchronizer shortens the transmission path, boosting regenerative braking efficiency.

Electronic control unit segments speed reduction and load suppression phases to minimize electrical load during vehicle abnormalities.

A control system optimizes prime mover speed and torque for energy efficiency using an auxiliary power unit.

Asymmetric motor placement reduces universal joint bend angles in hybrid drivetrains.

A single dynamo and torque coupling device reduce manufacturing costs by eliminating dual dynamos while maintaining full system functionality.

Electronic control unit switches accumulator shut-off valve before zero swept volume to prevent cavitation and reduce engine load during startup.

A vehicle power management system apportioning engine and battery energy based on identified road features.

Segmented torque control modules validate requests against dynamic limits to prevent unintentional applications that compromise vehicle stability.

An elastic battery module housing incorporates an internal escape area to displace cells during impact.

Five planetary gearsets and seven shift elements generate fourteen forward gears, avoiding group shifting to reduce sequential complexity.

Dual motor-dual clutch powertrain controller selects charge-depleting or sustaining modes based on battery state of charge and vehicle speed.