Hybrid Vehicles TRIZ Cases

Keeping the ISG rotating above a speed threshold enables smoother hybrid engine restarts with less driveline torque disturbance, noise, and vibration.

Convex and projecting rotor wedge features seal potting material and hold the field coil against centrifugal-force insulation damage.

By shifting propulsion torque to a second drive system and matching motor speed, this case enables smoother gear changes with less clutch wear.

A predicted speed profile estimates recoverable braking energy, then assigns motor-drive regions to use it efficiently and improve fuel economy.

Busbar and adjacent-component temperature sensing with cable current monitoring enables powertrain derating before high-voltage harness overheating.

When engine torque lags a sudden request, an electric machine adds axle torque to keep hybrid vehicle acceleration consistent.

A central manager reconciles conflicting requests across vehicle functions by selecting allowed modes and statuses for coordinated control.

A double-motor hybrid with ePSD, PACC, and regenerative braking cuts heavy-duty truck fuel use while keeping power and cost scalable.

Predicted and actual SOC are compared during travel to warn drivers early enough to avoid mid-trip battery depletion.

At standstill, the fuel cell recharges the energy store and reuses waste heat to warm the cabin or luggage area without draining battery charge.

Machine-learning predictive control cuts vehicle computing load while improving fuel injection, rail pressure, efficiency, and emissions.

Temperature-driven air dam opening boosts airflow to cool a hybrid vehicle power distribution center and extend cable and connector life.

Dynamic lockup clutch control balances responsive engine starts with accurate torque and speed control across BEV, manual, and autonomous travel.

Sensor-driven control steers braking and heat routing to improve vehicle stability while lowering thermal signature and protecting battery temperature.

A switchable coupling links the reversible motor to either the intermediate or secondary shaft, expanding drive, braking, and gear-sync modes.

A rotatable inner ring gear keeps one-sided tooth contact during reversals, reducing backlash shock, wear, and noise while improving accuracy.

A hybrid engine-battery powertrain helps firefighting vehicles reach 50 mph in 30 seconds and sustain response speed while managing pump energy.

Direct motor connections to the engine and transmission input enable precise torque split control in HEV mode without belt-slip delays.

Limiting electric motor driving force at high altitude helps preserve battery SOC when engine output drops, extending series hybrid travel distance.

During hybrid gear changes, DC-DC converter control maintains low-voltage power and voltage stability when battery relays open.

Unified backup holding status and abnormality reporting lets vehicle control software handle different holding device types with less presetting.

A hybrid engine-motor drivetrain boosts ATV power without larger engine displacement, while improving packaging, shaft protection, and cooling.

Adaptive DC/DC and BSG voltage setpoints cut high-voltage battery draw, delaying engine start and reducing HEV CO2 emissions.

Route-aware control raises battery charge before a motor-only zone, balancing traffic, downhill, and EV-area priorities for smoother hybrid driving.

A controller balances fuel and electrical energy use against emissions targets, extending travel distance while reducing refueling time.

A controller balances two fuels with route-supplied electrical power to cut emissions and improve vehicle energy efficiency.

Cross-checking the shift position sensor with neutral and reverse switches detects faults at low cost and blocks unsafe motor control.

A modular engine layout places electric motors, control units, and wiring for easier hybrid integration, assembly, and service.

Electric motor torque offsets valve lift transition torque jumps in a hybrid engine, smoothing drivability without raising fuel use.

Health, state-of-charge, and load inputs guide fuel cell and battery power allocation to improve efficiency, lifespan, and thermal control.

Traveling-state detection shifts AWD hybrid control between cornering traction priority and battery SOC management to preserve stability and efficiency.

Monitors start time, RPM, coolant temperature, and torque to stop abnormal engine starts before low-speed cycling damages hybrid hardware.

At standstill, clutch disengagement is blocked during catalyst warming so the motor generator can keep engine load and prevent engine speed surge.

Traction signals define torque limits for front and rear propulsion units, helping BEVs split torque without wheel slip or lost efficiency.

One-way clutches and an intermediate gearwheel let two electric machines sum torque and switch ratios smoothly with less transmission complexity.

Differential-rotation thresholds let vibration suppression start before full clutch engagement, reducing torsional vibration during shifts.

Filtered generator speed and battery power limits set torque during startup, helping the system cross resonance with less oscillation.

A two-motor hybrid transmission replaces a three-motor AWD layout with multi-gear shifting to cut cost and improve fuel economy.

Route sections based on altitude, speed limit, and traffic guide fuel cell output to save energy, protect durability, and stabilize battery charge.

Counter-rotating crankshafts, a flywheel mass, and a compensating camshaft suppress start-up and second-order vibrations in a hybrid power unit.

A full-route MPC approach improves arrival time prediction while balancing energy use, charging stops, breaks, traffic, and driving time.

A snap ring and elastic body hold the hub ridge axially, cutting rotor noise while simplifying hybrid drive module assembly.

Switching the AC compressor between engine and two electric machines improves hybrid energy use while preserving cabin cooling and fault protection.

Extended brake hold and concurrent clutch engagement blend brake and motor torque to prevent uphill rollback in hybrid vehicles.

Progressive SOC thresholds limit speed and power, then start the engine at critical charge to extend range while protecting the battery.

By keeping motor speed below engine idle before K0 clutch engagement, this control approach cuts power use and smooths driving force changes.

Route sections are assigned motor-traveling levels so battery charge is preserved and EV mode remains available in zero-emission zones.

A hybrid engine-motor layout uses a power divider to drive both the axle and water pump, improving fire vehicle response while reducing fuel use.

Preemptive engine start based on sustained battery output helps suppress torque fluctuation and improve hybrid vehicle drivability.

Regeneration control system delays electric energy reduction until actual wheel slip occurs to maximize recovered kinetic energy.

A control module sets engine drive points to balance torque delivery and drive feeling in hybrid vehicles.

A torque difference occurrence determiner detects driving force disparities between left and right traction motors in electric vehicles.

Electric motor torque split stabilizes hybrid engine idle speed, resolving the contradiction between quick responsiveness and operating efficiency.

Controller manages engine and electric machine torque to optimize catalytic converter temperature.

A hybrid vehicle exhaust purifying system manages catalytic device current via dedicated connecting units and a leak detecting unit.

A hybrid vehicle controller diagnoses waste gate valve functionality by stopping engine combustion and using motor generators to rotate the engine.

A cylinder selection method uses dual fuel injections during the compression stroke to stabilize combustion upon engine restart.

Segmented stamped rotor hub supports torque converter and clutch plates, reducing manufacturing cost while maintaining structural integrity.

A plug-in hybrid electric vehicle control system modifies battery charge points to adjust engine and motor usage based on real-time energy prices.

A control apparatus adjusts engine start and stop thresholds based on catalyst purification capacity to manage power unit operation.

Iterative torque state selection optimizes motor outputs to minimize system costs while maintaining operator torque requests during engine-off states.

A hybrid vehicle control system adjusts cargo handling generator motor output based on temperature.

A vehicle display device segments travel routes to associate specific traveling modes with each segment for driver awareness.

A hybrid electric vehicle control system operates the engine with fewer cylinders while supplementing power via a traction motor and battery.

Adjusting intake cam activation based on oil pressure maintains constant transmission input torque, preventing vehicle impacts during EV-to-HEV mode switching.

Relocating the hydraulic valve body circumferentially on a hybrid transmission front module housing clears structural oil pan fasteners.

Dedicated pedal controls engine rpm for rapid starts, eliminating unnatural brake coordination.

A controller adjusts inertial driving settings by comparing vehicle data with preceding traffic conditions.

Dual oil pan openings and an inclined drain line allow vertical or horizontal mounting without compromising gravity-assisted drainage.

A hybrid controller unit holds or skips transmission gears during deceleration to optimize power regeneration.

A shunt resistor design uses a flanged measurement terminal inserted into recessed base holes to increase effective welding area and bonding strength.

A vehicle power conversion apparatus integrates a motor controller and power supply to reduce system size.

A hybrid powertrain uses planetary gears and electrical machines to enable seamless gear shifts.

A motor controller generates charging torque for a battery using autonomous limited operation modes.

Nesting the differential transmission radially inside planetary gear sets minimizes device size while maintaining torque efficiency.

A hybrid vehicle travel support device divides routes into sections to plan EV and HV modes for optimized energy use.

A vehicle system estimates energy usage at various speeds to select an optimal target speed for cornering maneuvers.

Three planetary gear sets segment torque paths, allowing smaller motors to deliver sufficient drive force for high-speed driving.

Pre-emptively adjusting engine parameters reduces emissions during specific drive cycle events, balancing fuel consumption against pollutant formation.

A bicycle gear controller adjusts transmission ratios based on traveling speed thresholds to automate shifting.

One-way clutches enable the water pump to draw power from the electric motor during engine stoppage, eliminating auxiliary motors that increase vehicle weight.

A non-contact power reception device switches secondary coil impedance to control magnetic coupling states.

A voltage conversion device manages electric power flow between multiple battery storage units to generate internal heat.

Segmenting buck and boost functions into parallel converters reduces semiconductor losses and minimizes output voltage ripple across varying vehicle loads.

A vehicle control device manages driving power during simultaneous accelerator and brake pedal operation.

A brake control module coordinates regenerative and friction braking torque to optimize energy recovery.

A control device restricts DC power magnitude from regenerative braking to protect the electricity storage device.

A controller maintains uniform relative speed between the engine and motor to detect torque transmission changes during hydraulic pressure application.

A super-creep strategy dynamically adjusts powertrain torque using closed-loop feedback to maintain vehicle mobility during controller failures.

A vehicle controller circuit anticipates potential user inputs via the human machine interface to prevent system failures.

A vehicle clutch control system adjusts command hydraulic pressure to optimize transmission torque capacity during stops.

A powertrain control method evaluates objective function permutations to identify extrema values for system operation.

Segmenting the power supply into high-voltage and low-voltage domains halves control unit withstand voltage requirements, reducing system weight and cost.

A parking system applies offset torque to the gear unit to counteract slope forces and reduce shift lever operating effort.

Segmenting the vehicle power supply into regulated and variation-tolerant subsystems reduces fuel consumption while allowing smaller batteries.

Segmented voltage conversion devices distribute charging current to reduce heat generation and energy loss in hybrid vehicle battery packs.