Hybrid Vehicles TRIZ Cases

A control device estimates drag torque to stop the inverter when unnecessary, reducing energy loss.

Electronic control unit predicts vehicle driving range using stored map data and driver behavior profiles for accurate fuel economy assessment.

A hybrid vehicle control device manages regenerative electric power by adjusting motor generator load based on battery state of charge.

A hybrid vehicle controller manages drive force by selecting operating modes based on battery input power thresholds to deliver regenerative torque.

Segmented electric power supply eliminates heat engine emissions during concrete projection.

A controller sweeps electric machine current angle to derive resolver offset for precise rotor position tracking.

Calculating target angular acceleration determines bidirectional motor torque limits, replacing experience-based control to improve shifting precision.

A controller selects driving modes for an electric vehicle power source to optimize energy usage.

Controller adjusts engine torque based on electric machine error to maintain driveline speed in hybrid vehicles.

A hybrid vehicle gear shift control system predicts forward path power to select an appropriate driving mode and apply the corresponding gear shift map.

A hybrid vehicle control apparatus restricts engine rotation speed to manage clutch thermal loads during acceleration events.

A state of charge indicator adjusts its display range to match the current driving mode, providing clear visual feedback on battery levels.

A hybrid powertrain control system processes immediate and predicted torque requests from accelerator and brake pedals to determine output commands.

Mounting power electronics on transmission housings reduces cable length and eliminates AC cables.

A control module monitors temperature conditions at key locations within an electric drive system to manage thermal states.

A hybrid vehicle controller adjusts driving modes using dynamic traffic information to optimize fuel efficiency.

A vehicle controller maintains traction battery state of charge within dynamic thresholds based on drive cycle detection.

A multi-functional cooling channel serves as both a heat sink and electrical busbar to integrate thermal management with power distribution.

A hybrid vehicle controller manages electrical energy usage by adapting electric propulsion motor drive torque based on selected operating modes.

A vehicle control system evaluates clutch performance parameters to select operating modes with longer distance to empty.

A controller adjusts engine start thresholds based on battery state of charge to manage external power loads.

A remote alert system communicates vehicle shutdown status to a driver device via cellular networks.

A variable compression ratio engine adjusts piston position to optimize fuel economy in hybrid vehicles.

A vehicle battery system discharges stored energy through a resistive load upon impact detection.

Segmented housing cools clutch while isolating motor, preventing coolant flange losses.

Integrated housing merges separate cooling circuits into parallel paths, reducing weight while maintaining thermal reliability.

Additive resin containing hydroxyl and butyral units suppresses water electrolysis and hydrogen generation in aqueous secondary batteries.

Replacing hydraulic components with an electromagnetic actuator reduces transmission weight and improves fuel efficiency.

A hybrid vehicle coasting control apparatus calculates target speed and adjusts creep torque to maintain distance from a front vehicle.

A hybrid vehicle control device manages drive mode shifts using battery charge levels and catalyst temperature data.

Controller modulates electric machine torque to disengage the one-way clutch in hybrid powertrains.

Controller derives impeller speed from electric machine torque to shift the gearbox, preventing powertrain disablement during motor speed feedback loss.

Nested planetary gear sets enable a 3 to 1 ratio spread while deep-groove bearings reduce friction losses in hybrid powertrains.

A vehicle shutter adjusts airflow to maintain coolant temperature during electric travel.

Segmenting the planetary gear path via a ring gear fix allows the internal combustion engine to drive wheels in reverse when the electric motor disconnects.

A two-motor hybrid power system coordinates separate motor functions to optimize energy distribution and vehicle output.

Segmenting the coupling into a starting torque clutch and a shape coupling device reduces weight and cost while maintaining full drive torque transfer.

A hybrid drive train segments power sources using a low-voltage electric machine and clutch arrangement to distribute torque across axles.

Positioning the sealing valve above the secondary battery protects it from collision damage, preventing fuel leakage without adding structural complexity.

A motor-generator transfers torque to a starter mechanism via switching devices and energy storage units.

A motor controller limits electric motor output based on detected battery electrolyte levels to prevent lead-acid battery deterioration.

A controller allocates minimum power to an inverter for off-board auxiliary loads using a manual selector.

Dynamic voltage adjustment maintains withstand voltage margins at low temperatures, preventing surge damage to IGBTs and MOSFETs.

Electronic one-way clutch replaces friction braking to expedite parallel mode entry, reducing hydraulic load and improving fuel efficiency.

A hybrid control unit calculates charge power based on load and gear position to manage battery state of charge.

Continuous auxiliary battery charging prevents frequent engine mode switching when main battery power limits decrease.

Electronic control unit limits power storage capacity changes based on predicted parking duration and temperature ranges.

A hybrid vehicle system selects between two electric machines to crank the engine based on stop position.