Hybrid Vehicles TRIZ Cases

Tapered clutch teeth and a controlled indexing mechanism ease blocked shifts in electric drive axles, cutting NVH and shift delays.

Route and motion options are scored with an energy model, sensor data, and road conditions to cut autonomous vehicle fuel cost.

A diaphragm spring overload clutch in the e-motor rotor absorbs sudden hybrid drivetrain torque spikes without adding a separate disconnect clutch.

During launch requests, torque is briefly capped when brake pressure and pedal input are both high, protecting the driveline without sacrificing launch response.

A dual-motor layout with a clutch and engine-driven generator expands running modes and improves power retention in hybrid vehicles.

Remote cloud control uses live emissions packets and selective parameter correction to keep fleet vehicles within regulatory thresholds.

Selective coupling of two coaxial electric machines with a differential enables compact EV drive packaging, torque vectoring, and lower energy use.

In-vehicle AI weights motor temperature, voltage, and current signals to deliver real-time failure diagnosis without cloud dependence.

A spline-fitting-damper shaft connection cuts bearing count from four to three while maintaining rotor-gear axis alignment and lowering loss.

Dynamic SOC targeting uses road load and vehicle weight estimates to preserve torque reserve and delay engine-heavy operation in REEV towing.

Correcting fuel mass flow with kinetic, potential, and loss estimates enables vehicle speed trajectories that better reflect true energy use.

During filter regeneration, the ECU shifts from charge depleting to charge sustaining mode to keep the engine running long enough to burn trapped PM.

A resistor-loaded electric machine brakes the planetary gear during starting, replacing clutch losses and enabling vehicle launch even with faulty energy storage.

A dual-mode electric machine lets a work vehicle self-charge from the engine while powering traction and electric implements without farm chargers.

When accelerator override occurs, the control switches acceleration modes to satisfy driver demand while maintaining power output efficiency.

Standby charging from a second battery recalibrates hybrid battery state of charge when voltage plateaus and coulomb counting drift reduce accuracy.

Camera data lets the controller detect road, temperature, and leak conditions, then adjust powertrain output and issue fault codes.

Vehicle speed feedback controls transmission output and PTO speeds during travel, avoiding unintended movement without complex torque estimation.

A dual-drive fire fighting vehicle switches between electric and engine power to cut emissions while preserving simple, reliable operation.

Multiple ethanol-agnostic range extender modules balance truck power demand and efficiency while cutting diesel-related emissions.

Two electric machines replace electro-hydraulic synchronizers with dog clutches, enabling repeatable full power shifts with lower loss and cost.

Switching between a flywheel starter and disconnect clutch during downshift cuts hybrid driveline torque disturbance and preserves response.

By identifying only the unit whose performance has changed, the controller corrects its target value to keep overall plant performance stable.

Electric machine torque offsets drag-torque rise when a hybrid engine exits unfired low-drag mode, smoothing restart and preserving efficiency.

Two clutch-side speed sensors infer driveline torque in an agricultural towing vehicle, avoiding costly torque sensors and added complexity.

When battery SOC gaps grow, bidirectional converters shift charge between packs to sustain motor torque and extend electric mobility range.

Coupled planetary gearsets and two shifting units let two electric machines share one differential with compact packaging and higher axle efficiency.

Adaptive boost pressure control compensates clutch pressure and delay errors to stabilize torque transfer and drivability in hybrid drivelines.

A swing-supported generator engine and independently mounted drive unit suppress frame vibration while maintaining motorcycle input responsiveness.

Nested planetary gearsets with synchronizers deliver four forward and reverse ratios while cutting EV transmission complexity and wear.

Synchronizing multiple ship hybrid systems to one operation mode reduces switching errors and improves status awareness on unstable vessels.

Distributed longitudinal and side members absorb rear-impact energy together, improving crash resistance without added crash boxes or major weight gain.

Engine-driven electromagnetic devices supply power directly across three operating modes, avoiding energy storage and reducing drivetrain complexity.

Slip control and staged clutch pressure keep engine speed above the stall limit during engagement, even when the motor is unavailable.

A shuttle valve blends driver and ECU hydraulic pressure to automate clutch control in hybrid manuals without losing pedal feel.

A multi-axis layout separates the differential gear, motor, and engagement devices to cut axial length and improve vehicle drive packaging.

Uses pedal opening, pedal rate, and battery discharge capability to avoid unnecessary hybrid engine starts and delayed power response.

A widthwise motor-engine-generator layout improves left-right weight balance and reduces yaw and roll inertia in hybrid vehicles.

Dual input shafts, multi-ratio gearing, and a motor-side transfer gear extend HEV parallel mode to high speed without losing low-speed drive force.

Dynamic reference control adjusts following distance from braking and regenerative braking capability to improve convoy safety and efficiency.

Battery chargeability switches deceleration between engine friction and motor regeneration to keep braking feel consistent while recovering energy.

Adjusted current, temperature, and SOC gain factors improve battery SOH estimation under real operating conditions and help extend service life.

Image-based driver intent estimation lowers oil pump pressure before travel starts, cutting hybrid vehicle power use while keeping transmission readiness.

Coordinated control of two motors and transmission friction improves braking energy distribution and fuel efficiency in hybrid vehicles.

When the battery drops off the DC bus, the motor/generator shifts to voltage control while powertrain parameters are adjusted to keep critical loads stable.

Onboard electrolysis stores hydrogen from fuel-cell water to extend EV range, support recharging, and manage battery use under grid outages.

Temperature-based switch control adjusts charging between dual battery packs to limit self-heating and keep vehicle battery operation stable.

Asymmetric rotor scallops and flipped lamination groups reshape magnetic flux to reduce torque ripple while preserving reverse-rotation performance.

Neutral shifting lets the motor/generator recover engine kinetic energy during shutdown, cutting clutch slip losses and preserving drivability.

A vehicle control system adjusts maximum creep speed based on radar-detected distance to the preceding vehicle.

Switching electric machine modes between torque and speed control resolves driveline disconnect clutch estimation errors that cause torque disturbances.

A resolver coupled to a motor rotor determines vehicle orientation and displacement for precise navigation control.

A multiplex valve directs fluid pressure from a single solenoid to manage transmission range selection and reverse dog clutch operations.

A fail-safe controller manages hybrid vehicle mode transitions by detecting clutch faults and preventing unintended EV mode entry.

A controller adjusts battery charging rates based on external power consumption and degradation metrics.

A coordination unit manages hybrid drive switching to optimize exhaust gas recirculation rates.

Electric machine regulates total output torque to prevent wheel slip and recover energy, eliminating clutch thermal loads.

An asymmetric PCB layout separates MOSFETs and inductors to reduce heat concentration and PWM noise interference in mild hybrid systems.

A hybrid power plant manages energy distribution across flight stages using electrical and thermal sources to optimize multi-rotor aircraft operations.

A locking sleeve connects engine and gearbox shafts via a planetary gear to transmit torque efficiently.

A controller monitors engine torque output to detect misfire conditions and prevent catalyst damage in hybrid vehicles.

A controller limits transmission input rotational speed change rate in a hybrid vehicle with a belt-type continuously variable transmission.

Controller estimates rotor temperature via stator sensors and thermal models, avoiding complex direct rotor sensor installation.

The control system utilizes downhill kinetic energy to raise exhaust temperature, enabling soot combustion without lean burn mode that causes engine roughness.

Segmented battery units connect to a coupling unit that supplies high and low voltage loads, eliminating DC/DC converters.

A hybrid transmission control system pre-stages downshift sequences by partially engaging and disengaging shift clutches to prepare for gear transitions.

Controller manages torque converter clutch sequencing to enable smooth electric vehicle mode shifts using rotary machine torque.

A multi-mode electromechanical transmission uses planetary gear sets and clutches to manage speed and torque in electric vehicles.

A vehicle outer sill covering features a mounting region with recesses between fasteners to enable independent installation of energy storage elements.

A control apparatus manages power transmission systems by coordinating shift actions to protect electric motors from rotational damage.

A power demand distribution controller manages fuel cell output by calculating allowable battery power and adjusting the air compressor feed.

A hybrid shift control apparatus uses motor reverse torque to move the vehicle backward without dedicated mechanical components.

Coupling main shafts enables electric motor to spin the heat engine for catalytic converter priming before fuel activation.

A hybrid control unit modulates engine noise and vibration via an acoustic tube to counteract the rubber band-like effect during electric-only acceleration.

A control device manages voltage applied to capacitors during motor drive system operation.

A hybrid vehicle control system adjusts fuel injection duration based on catalyst temperature to maintain optimal exhaust conditions.

A hybrid vehicle controller manages turbocharger waste gate valve actuation using a dedicated negative pressure tank.

A hybrid vehicle control system manages the engine clutch state to sustain exhaust gas purifying unit regeneration.

Modified motor speed mapping prevents battery overcharging and maintains acceleration performance during low-speed operation.

Controller tracks pressure thresholds to dissipate inertia energy quickly, eliminating driveline torque disturbances without complex slip sensors.

A motorized charging trailer uses sensors and controllers to autonomously position itself near electrically powered equipment on construction sites.

Adaptive temperature estimation prevents heat damage to phase coils while maintaining vehicle drive motor torque during fluctuating load conditions.

Segmented battery packs with different C-rates create a virtual battery that reduces weight and volume while maintaining high specific power delivery.

A vehicle control device manages limp-home mode by detecting failures and prohibiting driving when the high-voltage battery is externally charged.

A hybrid powertrain controller adjusts accessory electrical load to redirect battery power to the drive motor.

Selective shaft engagement in this hybrid transmission increases charging modes and efficiency while reducing structural complexity.

A telematics system monitors battery state-of-charge and sends notifications to users for remote vehicle startup.

A hybrid power transmission system uses nested planetary gear sets and selective clutch engagement to distribute torque between engine and motor generators.

A hybrid vehicle controller manages engine transitions to suppress battery degradation and prevent overdischarge.

A hybrid vehicle control system performs charging promotion by continuing fuel supply during deceleration to increase battery energy accumulation.

A hybrid vessel energy management strategy switches between low-load and high-load control modes based on state of charge thresholds.

Controller adjusts electric supercharger speed and mode based on detected driver tendencies to optimize power delivery.

A dual clutch transmission control system releases creep torque during shifts before a stop based on gear position and vehicle speed.

A control system adjusts throttle valve position to manage engine pumping loss during deceleration fuel shutoff events in mild hybrid vehicles.

A rotary electric machine control system calculates rotor fatigue using rotation speed and temperature data to limit operation.

A vehicle system suppresses non-emergency notifications while in motion and delivers feature tutorials when stopped.

An electric wheel drive system uses sleeve bearings and fluid pumps for lubrication and cooling within a fixed axle configuration.