Hybrid Vehicles TRIZ Cases

A vehicle drive apparatus reduces motor torque during gear disconnection to enable smooth sleeve movement via a linkage mechanism.

A hybrid power transmission apparatus uses a mechanical brake unit to connect planetary gear components for optimized torque distribution.

Electric motor charges a high-speed flywheel, bypassing complex mechanical gear trains to match engine speeds.

Annular grooves on clutch plates disrupt heat conduction paths, reducing temperature gradients and friction heat concentration in hybrid vehicle transmissions.

Electric machines control torque and recover braking energy, eliminating exhaust gas brakes.

A hybrid power train uses a clutch and variable shift ratio means to transmit torque through an external engaged-gear pair.

A hybrid vehicle control system adjusts four-wheel drive thresholds to increase two-wheel drive operation.

A dual clutch transmission merges clutch devices into a single module to achieve multiple gear ratios with reduced component count.

Electronic control unit calculates estimated state of charge using integrated current values and self-discharge parameters.

A hybrid drive system uses non-friction coupling assemblies to manage power flow between electric and internal combustion sources.

A vehicle energy management device optimizes motor, engine, and generator operation using target speed plans derived from route data.

A vehicle propulsion system manages power split between a high energy density battery and a high power density supercapacitor.

A hybrid ECU manages regenerative braking force transitions during vehicle deceleration events.

Predicting near-future torque synchronizes engine and motor speeds during mode transitions, reducing non-driving fuel loss from idle engine operation.

A stiffening bracket alters the natural frequency of an engine and pump package to prevent resonance damage from matching excitation frequencies.

A vehicle charge control system uses a user detector to determine if an operator is within range before permitting add-on charging via the internal combustion engine.

Engine operating point selection minimizes fuel consumption by balancing operator power requests with battery state of charge.

A hybrid vehicle control device adjusts torque command values to prevent gear rattling noise during power transitions.

A hybrid vehicle control system coordinates engine and motor torque to maintain wheel creep torque during engine start requests.

An on-board charger controller measures input voltage to set a precise charging start time for electric vehicles.

Predictive battery management reduces hybrid vehicle cost per unit distance by minimizing unnecessary engine generation.

A hybrid vehicle control system computes separate electric and engine running distances to determine maintenance needs for specific components.

A vehicle control system simulates future speed profiles to determine optimal combustion engine shutdown timing during coasting.

Integrated twin-cylinder engine drives electric generator to produce onboard electrical energy, eliminating reliance on external charging stations.

Accessory drive system manages torque demand via motor generator control, preventing parasitic losses during regenerative braking events.

An ultra capacitor stores regenerative energy to power peak loads, reducing fuel waste during idle periods and improving overall efficiency.

A fuel cell vehicle control method detects lid sensor defects to enable vehicle movement.

A vehicle display control unit maintains engine operation images during electric motor regeneration to prevent visual flickering.

Inverter neutral point enables multi-input battery charging while compulsorily discharging capacitors to eliminate electrical shock risks.

A control unit adjusts electric motor target torque to stabilize industrial vehicle acceleration.

Rear-mounted planetary gear set reduces axial load and component count.

A dual energy storage system switches power sources to maintain starter motor operation during voltage faults.

A drive mode controller switches between front and rear wheel states using lateral acceleration thresholds.

A predictive control system monitors axle torque request signals to anticipate driveline lash conditions before zero torque crossings occur.

A powertrain control device determines manipulated variables using linear programming to manage multiple torque devices.

A vehicle charging system uses a diode and current sensor to manage auxiliary power supply during external charging.

Dynamic voltage control compensates for aged sensor impedance drift, ensuring accurate temperature regulation and stable air-fuel ratio management.

A program update method acquires remaining electric power capacity and required energy amounts for control devices.

A control device manages torque output from an electric motor to reduce vehicle shock during shift lock release.

A vehicle controller limits inverter operation during battery reprogramming to prevent unintended motor power supply.

A gasifier hybrid energy system couples a heat engine to a battery buffer, eliminating slow start-up delays and preventing fuel waste during idle periods.

A torque transmission device for hybrid vehicles uses a rotor support system with ball-joint connections and fixed distributors to guide the electric machine.

A hybrid module baffle redirects fluid flow to minimize vortex formation and reduce drag loss.

Overlaps engine stop and restart routines by maintaining readiness, eliminating delay when drivers request torque.

A control apparatus determines optimal shift-speeds in plug-in hybrid vehicles by calculating system efficiency from motor and transmission data.

A hybrid drive sub-assembly uses a dual clutch mechanism to couple and uncouple a reversible electric machine from an intermediate shaft.

An isolator switch disconnects faulty voltage paths in a shared battery architecture, maintaining reliability without adding mass or cost.

Controller limits engine torque variation when difference from motor torque exceeds threshold, suppressing gear rattle while maintaining driving performance.

A fuel maintenance guide system detects residual fuel to determine required supply amounts for mode cancellation.