Hybrid Vehicles TRIZ Cases

A hybrid vehicle control device adjusts discharge allowable power to extend electric driving duration.

A single inverter supplies common stator voltage and frequency to multiple asynchronous machines for joint drive control.

An electro-magnetically actuated pawl clutch couples rotating elements using a magnetic field to engage toothed rings.

A torque converter clutch controller opens the clutch to reduce mechanical torque transfer during hybrid vehicle engine starting.

Parking brake engagement prevents unintended vehicle movement during neutral engine starting when battery charge is depleted.

One-way clutches lock transmission output to prevent vehicle rollback, eliminating complex brake oil pressure control and timing management.

Corrects zero point inaccuracies in HEV eco-gauges by adjusting target angles based on rotation direction to compensate for mechanical hysteresis.

A vehicle control method manages engine rotation speed during stop requests to maintain driving force.

A hybrid vehicle control apparatus manages engine starting by switching the input clutch to an engaged state until rotational speed exceeds a predetermined value.

A controller sets a minimum loss-time boosting voltage to optimize power conversion states in vehicle drive systems.

A hybrid vehicle controller adjusts motor generator rotation speed to engage a locking apparatus smoothly.

A fuel maintenance monitor selectively operates an engine during drive cycles to consume stored fuel and preserve its chemical quality.

Electronic control module arbitrates axle torque requests against speed-dependent thresholds to prevent unintended reverse propulsion in hybrid vehicles.

A vehicle controller manages emergency travel by restricting motor torque and speed when low voltage battery levels drop below braking device operational ranges.

A hybrid transmission unit uses synchronizers to engage output gears and enable multiple charging modes.

A vehicle controller adjusts the high-voltage battery state of charge to supply sufficient power for program updates.

An electric motor drives a hydraulic pump to provide pressurized fluid for vehicle operation, reducing emissions and noise when the engine is off.

Pyrotechnic actuators eject defective battery modules to prevent cascading failures and ensure occupant safety during catastrophic power system faults.

A hybrid vehicle control apparatus gradually increases second clutch engagement pressure during successive gear shifts.

A hybrid control module dynamically adjusts maximum operating temperature limits for energy storage devices based on real-time usage data.

A hybrid powertrain control system coordinates engine and electric machine torque to mitigate clutch slip events.

A hybrid drivetrain uses floating gearwheels on the electric machine shaft to decouple rotating mass from spur gear sets.

Dynamic charging adjusts period and duration based on state of health and dark currents, ensuring sufficient charge despite degradation.

Segmenting the power storage into two batteries allows the engine to operate in high-efficiency load regions while minimizing idle losses.

Rotary feedthrough conveys actuating oil to drive disconnect clutch, eliminating support bearing loads and reducing structural complexity.

A hybrid drive control apparatus calculates motor torque instruction values using balance equations to manage multiple motor generators.

A PI controller freezes integrator torque output when proportional damping torque saturates against a limit.

A hybrid vehicle control method manages electric machine torque using a DC-DC converter to supply current during acceleration.

Controller isolates fully charged traction battery from power converter to charge depleted auxiliary battery directly from external charger.

A controllable selectable one-way clutch uses motor synchronization to manage operational modes.

Merging two sun and ring gears into a single carrier reduces volume while maintaining torque management.

An electronic control unit maintains engine power within defined thresholds to optimize fuel economy in hybrid vehicles.

Merges a clutch and electric machine to reduce installation space while maintaining torque control capability.

A hybrid vehicle front compartment layout positions the power control unit on the transaxle upper surface with protective components arranged in front.

A fuel cell system detects sensor abnormalities and determines substitution possibilities to maintain operation.

A hybrid vehicle control unit uses a shared elevation database to determine traveling direction and manage power storage charge and discharge cycles.

A hybrid dual clutch transmission merges a planetary gear set with motor generators to deliver multiple fixed speed stages.

Situation awareness guided energy harvesting system manages regenerative braking and stop/start cycles using real-time sensor data.

A motor controller manages electric motor assistance by enforcing rotation speed thresholds to stabilize power delivery.

An electrically variable transmission uses three planetary gear sets and two motor generators to split power flow between mechanical and electrical paths.

Preheating the canister via battery power improves purge efficiency during limited engine operation while reducing battery energy consumption.

A hybrid vehicle battery management method activates sequential recharging steps based on accumulated energy levels to restore charge state.

A hybrid dual configuration transmission integrates an electric motor with a manual architecture featuring dual clutch mechanisms.

Electronic horizon predicts curves and downshifts transmission to mitigate excessive lateral acceleration.

A hybrid controller measures motor torque to detect engine clutch delivery torque.

A hybrid powertrain energizes a high-voltage DC bus using low-voltage electrical power to sustain auxiliary generation during faults.

A vehicle controller adjusts engine operating limits based on passenger presence to balance ride comfort and energy efficiency.

A start-stop system issues early neutral gear recommendations to switch off the engine during braking maneuvers.