Hybrid Vehicles TRIZ Cases

A method corrects vehicle setpoint trajectories using drivetrain power characteristic curves.

A vehicle drive control system detects target and current travel directions to adjust drive force.

A hybrid vehicle controller manages maximum regeneration torque to ensure consistent deceleration during braking events.

Dynamic standby hydraulic pressure switching resolves the contradiction between hardware deviation compensation and kick-down responsiveness.

A vehicle propulsion system uses a bi-directional boost converter to decouple ultracapacitor voltage from the DC link.

Variable-speed electric pump adjusts lubrication flow to match component torque, eliminating excess pumping energy loss during non-extreme operation.

Opposite torque directions cancel stator reaction forces, reducing mount vibration while suppressing drive shaft pulsation.

A hybrid vehicle control unit switches to electric drive mode based on geographic location data.

A vehicle power supply apparatus uses a control device to charge capacitors via boost converters before closing system relays.

A vehicle control device switches between motor and hybrid drive modes based on surrounding traffic presence.

A hybrid vehicle control method activates activated carbon filter flushing during low-load engine operation to manage fuel vapor storage.

A generator assembly regulates magnetization of an AC generator through a voltage regulator and rectifies output via a first converter member.

Inline electromechanical variable transmission uses electromagnetic devices to drive planetary gear sets for selective shaft coupling.

Integrating a single synchronizer with one planetary gear set enables multiple fixed shift stages while reducing component count, weight, and fuel consumption.

Comparing desired and actual transmission states detects faults without parallel paths, reducing control module complexity.

Inductive fault protection elements constrain current magnitude through specific paths, preventing inverter hardware damage.

A hybrid powertrain control scheme manages electric motor torque transitions to reduce driveline noise.

A hybrid vehicle control system shifts engine operating points to higher rotation speeds when turbocharger temperatures exceed a threshold.

Modular add-on transmission nests an electric machine on the countershaft, reducing fuel consumption without increasing axial length.

A power split transmission uses two electric variable transmission modes and four fixed gears to manage hybrid vehicle power distribution.

Sector-based amplitude threshold counting detects switch failures and gate drive malfunctions that zero-current checks miss.

Segmented power delivery balances engine base load and battery peak demand to resolve energy efficiency trade-offs in lifting vehicles.

A machine configuration accepts interchangeable power sources with a control system that standardizes output for electric and hydraulic devices.

A hybrid vehicle canister charge detection system uses oxygen probe feedback to monitor vapor levels.

A hybrid vehicle control system adjusts engine start-stop thresholds based on predicted route segments.

Trapezoidal stator coil ends enhance heat dissipation in compact vehicle motors by expanding the surface area contacting the cooling refrigerant.

Segmented power paths with dynamic clutches eliminate follow-up loss during high-speed travel while preserving torque assist capability.

Segmented electrically variable transmissions reduce electric machinery weight by routing only partial power through motor generators.

A fuel cell distance-to-empty calculation unit segments travel and stop periods to compute efficiency based on active driving data only.

A charge controller schedules battery charging using solar and commercial power sources based on route estimation.

A hybrid power train uses a planetary gear mechanism to couple the output shaft and gear for efficient torque distribution.

A ventilation fan moves heated air from the intake passage to prevent density loss.

A voltage converter switches battery connections between series and parallel configurations to manage power distribution.

Merges on-board charger and low voltage DC converter into one inverter unit, eliminating separate devices to reduce system weight and size.

A hybrid powertrain control system determines specific speed and load regions to operate the internal combustion engine at a preferred speed imperceptible in the passenger compartment.

A control device manages battery power output across a vehicle route profile to maintain optimal thermal conditions.

A vehicle control apparatus reduces electric motor rotation speed when the system determines the vehicle is in an undrivable state.

Segmented battery packs connect via a parallel power feeding circuit to extend work duration while reducing vehicle weight and replacement time.

A notification controller compares measured time values against thresholds to determine when to alert users about disabled engine stop modes.

A converter translates current upper limit values from a battery pack into power upper limit values for vehicle control devices.

Dual cooling mechanisms supply coolant from outer and inner stator sides, resolving uneven coil temperature distribution.

Device-specific control logic prioritizes cooling for individual fluid-cooled devices based on raw speed requests and NVH limits, reducing energy consumption.

A control module probes a hybrid vehicle battery during sleep state to monitor charge levels and activate the power source for recharging.

A hybrid powertrain uses a planetary gear set and clutches to enable multiple driving modes.

A coupled axle drive system integrates an engine-driven first axle with an electric machine-driven second axle to enable dynamic mode switching.

Electric oil pump control method optimizes RPM modes to reduce drive loss in hybrid vehicles.

Maintains exhaust system temperature via controlled idle operation after decoupling, ensuring catalyst regeneration without full shutdown.

A driving-force control device adjusts target torque to suppress vehicle body vibrations during free run conditions.

Controller updates torque correction factors in a lookup table to maintain constant transmission input torque.

A vehicle controller calculates lubricating oil change timing using battery degradation data.