Hybrid Vehicles TRIZ Cases

Limiting maximum output torque during restart prevents shift shock and start delay when shifting from neutral to driving position.

Segmenting motor-generators via controllable clutches optimizes propulsion efficiency across varying road conditions while maintaining system stability.

A vehicle controller generates simulated engine sounds to alert pedestrians of approaching vehicles.

A throttle-by-wire module opens the valve during regenerative braking to enable kinetic energy recovery.

A memory device attached to an electrical machine stores parameter data for direct loading into a power converter.

An automatic refueling system coordinates vehicle fuel levels with real-time gas station data to initiate the refueling process.

Reducing electrical accessory loads directs more power to the electric machine, shortening catalyst light-off time and cutting hydrocarbon emissions.

A control device manages power distribution between hydraulic and rotation motors in hybrid construction machinery.

A voltage regulator dynamically adjusts the DC link voltage based on motor speed and back EMF to optimize energy storage.

A hybrid straddle vehicle positions the battery unit centrally and the fuel tank outwardly in the vehicle width direction.

A resolver offset correcting apparatus detects correction errors during engine clutch release to adjust motor speed change values.

A battery controller monitors series element voltages to identify internal short circuits through pattern comparison.

Bi-directional inverter and motor windings transfer energy between storage and external source, eliminating dedicated boost converters.

Electronic control unit reduces voltage change rate when full charge capacity is low, preventing excessive voltage fluctuations during charging.

A power supply unit uses a shared cooling medium flow path to cool batteries and capacitors in series.

A vehicle charge system switches between charging modes based on terminal voltage to manage battery power.

Matching electric machine speeds before closing the driveline disconnect clutch prevents torque disturbances during series-to-parallel mode transitions.

A vehicle system controller uses a band stop filter to attenuate driveline oscillations in hybrid electric vehicles.

A hybrid drive train method adjusts electric motor speed to decouple a lock-up clutch.

A vehicle controller generates a wake up signal to activate an ignition relay during key-off states.

An electronic controller adjusts switch signals and duty cycles to optimize energy dissipation in electric drive machines.

Segmented electric machines in a hybrid transmission expand operating modes, resolving limited versatility.

Feed mode controller enables electric power feeding from a vehicle using a portable terminal over a wireless link.

Dual electric superchargers and a controller manage engine torque to expand the exhaust gas recirculation supply region.

A hybrid vehicle controller applies pulsation compensation torque to suppress drive shaft vibrations.

Controller manages warning sound emission during engine operation to prevent abrupt audio switching that confuses pedestrians about vehicle position.

Planetary gear system routes electric motor torque through power take-off coupling to start the engine, eliminating separate starter motor complexity.

A hybrid powertrain integrates a generator into the torque flow between the drive shaft and transmission to enable efficient energy conversion.

A clutch arrangement connects friction and dog clutches to a flywheel mass device.

Custom waveform reference signals minimize phase differences between engine vibrations and control signals, improving active vibration reduction performance.

A hybrid vehicle control system adjusts target engine output based on detected air density to maintain generator power.

A transmission controller calculates shift points using real-time input torque data to match engine power curves.

An electric oil pump supplies compensation pressure when the mechanical pump output becomes unstable at low speeds, preventing power transmission slipping.

A controller shifts a four-wheel drive vehicle to two-wheel drive mode before restarting the prime mover.

A hybrid power coupling mechanism uses a planetary gear set to connect the driving motor to the differential mechanism.

Electronic control unit manages engagement pressure variation rates to stabilize output torque during vehicle speed changes.

A hybrid power transmission system uses a motor generator to adjust linked gear rotational speed for precise output shaft synchronization.

Brake and lock mechanism apply decelerating force when power storage charge limit prevents regenerative torque.

A port lid lock mechanism integrates an electric actuator with a manual access path routed through the passenger compartment.

A hybrid vehicle driving assistance method models energy consumption to display recommended power limits for the driver.

A hybrid transmission uses nested planetary gear sets and shift elements to integrate an electric machine for multiple power paths.

Integrating a reversible electric machine into a dual-clutch transmission reduces powertrain mass while enabling hybrid operation without complex new designs.

A hybrid power transmission system uses a torque limiter to protect the one-way clutch from engine vibrations.

Positioning a transaxle switching mechanism above the oil bath reduces energy loss from oil resistance while expanding gear shifting capabilities.

Lithium-ion battery pack delivers high discharge current to start engines while preventing overheating and overdischarge.

A machine control system standardizes power output across interchangeable internal combustion, battery, and fuel cell sources.

Motor waste heat warms the inner chamber while ventilation evacuates excess thermal energy, ensuring reliable operation in cold environments.

An integrated flex plate connects a torque converter to a rotor hub, enabling elastic expansion without separate bolts.

Segmenting clutch functions with a gear reduction system reduces electric machine torque requirements during engine starting.

Iterative candidate torque selection resolves control complexity by satisfying motor and energy storage constraints for optimal efficiency.