Hybrid Vehicles TRIZ Cases

Model-based power flow control switches battery and supercapacitor support to match changing aircraft engine spool loads and improve fuel efficiency.

OCV matching between Li-ion and lead-acid batteries cuts Li-ion cell count while preserving 12V network compatibility and regeneration.

Individual cell testing and database matching enable EV battery pack refurbishment that cuts replacement waste, cost, and pack imbalance.

Throttle and clutch timing are coordinated during hybrid engine start to limit initial combustion torque and reduce drive-wheel shock.

Multiple horizon optimization combines trip-level planning with short-horizon rollout control to cut fuel use under changing route and traffic conditions.

A coaxial crankshaft, rotor, and clutch layout cuts hybrid motorcycle bulk and assembly complexity while preserving motor-generator function.

When the motor angle sensor fails, the controller keeps motor speed above the estimation threshold to sustain accurate torque control and smoother driving.

An axial flux motor-generator coupled to the CVT output adds torque or harvests energy, improving off-road fuel economy within tight drivetrain space.

During deceleration, the controller cuts rear-wheel regeneration torque via transmission decoupling to curb oversteer without stopping energy recovery.

A configurable model and optimiser let one controller handle diverse hybrid powertrain architectures while cutting validation overhead.

Blending generator braking with friction braking helps maintain smooth low-speed deceleration, recover energy, and reduce brake wear.

Engine exhaust drives a generator that feeds motor coils to counter back-EMF, cut rotational resistance, and raise engine speed efficiently.

A hybrid powertrain uses battery-driven electric motors to accelerate a fully loaded airport fire fighting vehicle faster with lower fuel use and emissions.

Selective clutch or synchronizer paths simplify hybrid mode switching while improving transmission efficiency, fuel economy, and emissions.

Solar power is buffered in a low-voltage sub-battery during driving, avoiding main-battery power competition and simplifying charge control.

Measured load demand lets the inverter switch between power modes, cutting idle battery drain in off-grid AC supply systems.

Adaptive fuel-cut limits complete hybrid component diagnosis while reducing motor assists, power use, and particulate filter damage.

Charging is reduced at low requested torque and raised at higher torque to limit drive power fluctuation, noise, and discomfort.

By reducing battery polarization during travel based on time to destination, this case enables accurate SOC calculation immediately after stopping.

A vehicle-side audio mixer combines mobile playback with navigation and alarm prompts in the helmet without source interference.

A magnetic dust collector in the torsion damper fluid path keeps wear particles out of the motor and transmission, preserving efficiency and reliability.

Offset placement of the motor, control unit, and gearbox keeps a straddled vehicle compact while fitting different rotational power systems.

An offset motor, gear train, and clutch help an electric axle fit tight underfloor space while allowing the drive shaft to rotate independently.

Route-based SOC targets let a hybrid controller switch EV, engine, HEV, and supercharged modes to cut battery losses and improve fuel efficiency.

Dynamic regenerative braking raises energy recovery during cruise-control deceleration, reducing brake wear and energy loss.

Relay clutch timing and dual regeneration maps cut low-gear downshift torque shock while preserving fuel-saving regenerative deceleration.

A movable shift collar reconfigures coupling between the pinion, gear reduction module, and auxiliary shaft to improve torque distribution.

Coordinated shift control cuts brake pressure or raises AT input torque so regeneration continues during deceleration without rear-wheel slip.

Motor-state-based clutch release and assist torque reduce shift lag, torque variation, and gear change time in hybrid transmissions.

Execution history lets the controller add electric-drive distance before and after switching control, preserving accurate EV range reporting.

A drive-shaft-coupled generator captures drivetrain energy to charge batteries, cut engine idling, and add braking load for large vehicles.

When a utility vehicle descends with a full battery, speed limiting cuts excess regenerative power and keeps bus voltage stable.

By fixing the shaft and comparing setpoint clutch torque with motor torque at slip or constant speed, this case detects clutch accuracy errors.

Integrated clutch compensation flow cools the rotor while shortening the hybrid drive module and simplifying torque path packaging.

Preplanned field navigation is updated with sensor-detected obstacle locations so agricultural UGVs can avoid hazards and reduce manual labor.

Independently operable generators let a vehicle shift power between propulsion, battery charging, external supply, and reverse cooling.

Adaptive clutch time constants and torque lead control compensate for signal lag, smoothing hybrid engine start and mode transitions.

When clutch engagement and an upshift conflict in EV driving, the control unit prioritizes the shift to avoid rotational speed limit exceedance.

A second disconnect clutch lets the idle electric machine disengage in parallel mode, cutting drag losses while staying ready for fast torque support.

A nested rolling bearing arrangement cuts axial installation space while preserving tool run-out for cost-effective toothing in torque transmission.

By predicting target SOC from destination, weather, and user settings, the vehicle can run after-blow with its existing A/C and no extra hardware.

A concentric intermediate shaft layout adds more gear ratios without extending gearbox length, improving drivetrain packaging in tight vehicle layouts.

A double sliding sleeve dog clutch branches power flow in hybrid drivetrains, enabling under-load mode changes without interrupting traction.

Rapid electrical load sensing and torque correction help hybrid aerial propulsion prevent thrust asymmetry and engine overspeed.

Location-based start switching blocks accidental engine starts in emission regulation zones and alerts drivers to the correct operation.

Redundant power lets the EVCU secure a BEV in park during battery or DC-DC faults without added park pawl hardware.

Adaptive clutch learning switches between disconnect clutch and starter motor to improve hybrid engine start smoothness, efficiency, and wear control.

A split powertrain lets auxiliary services run independently of vehicle speed, cutting idle power waste and emissions while maintaining backup power.

Bidirectional converters and battery storage let electric traction vehicles switch between catenary, generator, and braking recovery with lower power peaks.

Feedback deceleration control uses friction braking to bridge regenerative brake faults and maintain stable hybrid vehicle stopping.

Controller increases engine speed beyond base value when mount compression indicates lugging, reducing NVH while preserving fuel economy.

A keyless rotation transfer unit uses spline coupling and a flange nut to secure the pulley on a hybrid starter generator shaft.

A secondary battery control system uses an electrode reaction model to estimate internal states via Butler-Volmer equations.

A hybrid vehicle control system manages engine starting using location data and catalyst heating requirements.

A hybrid power transmission apparatus uses nested shafts and gear trains to merge engine and motor-generator power sources into a unified drive system.

A second electric machine generates drive torque to support the internal combustion engine and first motor in a hybrid vehicle.

A controller adjusts electric machine gain to spin up the main pump and build hydraulic pressure for transmission clutches.

Control unit delays gear shifts based on temperature to lower rotor speed and prevent voltage overload in permanent magnet machines.

Diagnosing sensor responsiveness during startup eliminates combustion interference, ensuring accurate emissions control and drivability.

A controller increases hydraulic pressure at a hybrid vehicle clutch to prevent slip during torque transitions.

Motor control replaces electronic braking to eliminate pedal engagement and reduce manufacturing cost.

A secondary cell state detector uses dynamic switching to alternate connections between condensers and a differential amplifier for precise voltage measurement.

One-way clutch bypasses damper during autostarts, eliminating hydraulic actuation complexity and energy consumption.

Dynamic regeneration restriction rates balance battery protection against regenerative power recovery by adjusting permissible charging electric power.

A hybrid vehicle control system raises battery state of charge before stopping to extend engine torque suppression duration.

Closed-loop motor torque control fills transmission input shaft torque holes during upshifts, mitigating shift shocks when engine torque reserve is limited.

An electronic drive unit combines a motor, gear set, and differential assembly within a single case housing to transmit rotational power.

Adjusting engine shutdown speed thresholds to ensure sufficient ambient air flow over the intake air temperature sensor for accurate readings.

Solenoid valves switch hydraulic pipe variants to shift vibrational modes, avoiding noise peaks without adding installation mass.

A hybrid drive train control method uses a unified switching variable to manage operating mode transitions between electric and combustion power sources.

Nested planetary gear sets enable five fixed and continuous gear ratios, resolving complexity trade-offs for compact hybrid vehicle designs.

A hybrid vehicle control system sets richer target air-fuel ratios during driver-selected operation modes to manage exhaust gas purification.

Auxiliary drive unit outside housing supports main electric motor for reliable remote operation.

A controller prestrokes a hybrid disconnect clutch to reduce engine start time.

A hybrid vehicle drive controller regulates generator rotational speed to manage battery charging current.

A vehicle control device manages battery temperature during travel to ensure optimal charging conditions upon arrival.

Nested planetary gear trains and dual motor generators reduce vehicle cost and weight while securing hydraulic supply passages for friction elements.

A hybrid vehicle control system selects low-power or high-power deceleration modes to manage engine torque and generate brake torque via electric motors.

An adapter device partially covers the rotor and stator to integrate the electric machine within a transmission housing.

Centrifugal force directs hydraulic medium from interstitial rotor regions to a retaining chamber via a rotating scoop, preventing fluid accumulation.

An electric supercharger compresses intake air to provide immediate boost pressure during vehicle acceleration.

A motor drive device switches inverter control states to protect circuit elements from damage.

Controller adjusts electric machine torque to emulate wheel creep torque, resolving inconsistent low-speed control during mode transitions.

A hybrid vehicle relay control unit disconnects batteries during power operation and connects them during regenerative operation.

An electric hybrid architecture replaces synchronizers with dog clutches and electric motors to reduce mechanical power demands during gear shifts.

Clutch engagement allows first motor to supply driving torque during high temperature or low battery conditions, maintaining vehicle performance.

A power storage device positions high-voltage and low-voltage terminals on opposite sides to fit between rear vehicle wheels.

A controller adjusts engine and transmission power based on planetary gear rotation energy variation to manage shift dynamics.