Hybrid Vehicles TRIZ Cases

A hybrid vehicle control system monitors fuel and electrical storage levels to manage drive engine operation.

A controller manages torque limits and power supply to an electric motor inverter during swing operations.

Variable shift speed and motor torque compensation resolve the contradiction between driving force continuity and response speed, reducing abrupt force fluctuations.

Segmented controllers switch automatically upon detecting electromagnetic noise, maintaining stable torque transmission to vehicle wheels.

A control device manages frictional engagement to decrease output shaft rotation speed during sub transmission gear switching.

A hybrid powertrain mechanism uses external epicyclic gear trains coupled to electric machines and clutches for flexible mode switching.

Hydraulic control unit estimates allowable regenerative braking using motor and battery charging power limits.

Predictive evaluation selects low-energy ambient air cooling before high-power refrigeration activates, reducing vehicle energy consumption.

Offset motor design positions electric wires below the support line to prevent cable displacement toward the passenger compartment during frontal collisions.

Adjusting intake valve lift suppresses excessive electric power charging when battery temperature is low and air density is high.

A hybrid drive apparatus uses a partition wall to separate the motor part from the transmission part.

A controller disconnects a power storage unit via a switch to stop energy discharge.

Segmented baffle blades disrupt torque converter oil vortices, reducing drag loss while maintaining manufacturing simplicity.

A two-speed transmission uses a single electromagnetic actuator to shift engagement states between dog and friction clutches via an armature.

Dual electric machines with dynamic clutch enable independent torque coupling for efficient kinetic energy recovery.

A control system stabilizes transmission operating range states in hybrid electric vehicles by managing clutch engagement and disengagement sequences.

A vehicle control unit records driving operation variables to identify specific route sections for optimized strategy execution.

A hybrid drivetrain acceleration method shifts a belt-drive transmission ratio using an electric machine before engaging the engine disconnect clutch.

A low power DC-DC converter control circuit detects output voltage and characteristic factors to manage battery refresh operations in hybrid vehicles.

Positioning a sub-battery adjacent to the controller eliminates separate interlock switches, reducing structural complexity while maintaining safety.

A pressure control solenoid applies incrementally changing command pressures to a transmission clutch for precise engagement.

A flow accumulator transfers transmission fluid to engage clutches, reducing torque transfer time by pre-charging hydraulic pressure.

A plug-in hybrid electric vehicle manages battery state of charge through dynamic charging and discharging cycles.

Dynamic engine speed targeting and clutch control optimize responsiveness while minimizing driveline disturbances during hybrid vehicle starts.

A hybrid electric drive system couples a motor to an energy storage device and a catenary line for vehicle propulsion.

A vehicle information display system indicates relative driver demand against a dynamic target range to show engine-on thresholds.

A dual motor power transmission uses planetary gear sets and clutches to enable differential operation.

A hybrid transmission control method assesses transition advisability during kinematic mode changes.

Engine control unit varies energy storage rate in turbine-driven hybrid assembly to manage exhaust flow dynamics.

Regenerative torque modulation counters damper oscillation amplitude, preventing spring fatigue and NVH issues during hybrid vehicle braking.

Longer second nozzle restricts oil flow at low temperatures and catches excess oil at high temperatures, reducing power loss.

Controller limits engine torque to protect the disconnect clutch, while increasing motor torque to satisfy driver demand.

A vehicle information processor sets travel zones with unknown loads to motor-only mode.

A hybrid drive uses common radial planes for gear wheel sets to reduce axial overall length.

An on-chip hardware circuit manages dead-time periods to prevent short-circuiting and power loss caused by propagation delay differences in DC motor systems.

Controller estimates capacitor charge and discharge amounts to stop power supply, suppressing degradation during engine automatic stop.

Ultrasonic sensors guide vehicle positioning to align wireless charging coils, resolving underbody space constraints and reducing locating system complexity.

An engine control system uses integral modules to calculate RPM and torque differences for precise output adjustment.

A hybrid vehicle drive control system manages power distribution between engine and motor generators using adaptive operation modes.

A hybrid vehicle control apparatus manages motor/generator rotational speed to equalize one-way clutch sides during coasting.

A charging controller schedules electric vehicle battery recharging during off-peak utility hours to optimize grid usage and reduce energy costs.

A hybrid vehicle control system manages battery state of charge to sustain electric driving.

A battery control device manages internal resistance deterioration using electrode-specific data tables to constrain current limits.

Pre-calculating engine speed compensation from barometric pressure maintains torque reserve and vacuum at altitude without waiting for feedback.

A speed control system routes vehicle retardation energy to an energy storage device up to a dynamic power absorption limit.

Dual planetary gear sets and selective clutches resolve the trade-off between structural simplicity and fuel efficiency by enabling fixed shift-speed modes.

An auxiliary power supply system manages high-voltage and low-voltage signals through a bidirectional converter to support vehicle electrical loads.

Cutting air to specific stacks prevents voltage rise and unnecessary supercapacitor charging, maximizing energy recovery.

A control unit manages hybrid functions by switching off power based on battery temperature thresholds.

A control apparatus generates shifting commands for automatic transmissions by comparing jump shift-down and sequential shift-down operation times.