Hybrid Vehicles TRIZ Cases

A hybrid vehicle control system recovers electric motor exhaust heat to warm the internal combustion engine before startup.

A vehicle heat pump system uses a centralized energy module to manage coolant temperature for battery and cabin thermal control.

A hybrid vehicle fuel tank pressure sensor uses canister vent line correlation to verify accuracy during refueling events.

A hybrid vehicle control apparatus calculates fuel degradation using stored refueling history and elapsed time data.

Converting braking energy to heat raises exhaust temperatures, enabling passive regeneration and reducing fuel economy penalties during urban driving.

Electronic control unit applies charge sustaining mode torque maps during charge depleting transitions to suppress high-rpm idling sensation.

A hybrid vehicle voltage converter adjusts its boosted voltage upper limit to optimize power delivery and fuel efficiency.

Controller performs three phase-on control of the first inverter to increase engine rotation speed via the second motor.

A power transmission unit design enables independent rotor rotation for motor inspection before final shaft connection.

A vehicle controller generates engine on and off reference values based on required heat ratios to drive the engine for rapid indoor heating.

A dynamic look-up table enables a first controller to execute immediate torque commands using pre-stored values before receiving optimal allocations from a second controller.

Collocated VPM circuitry predicts current influx to maintain DC bus voltage stability, eliminating brake resistors and recapturing braking energy.

A vehicle electric power reception device uses a localized shielding member to block electromagnetic waves from the resonant coil.

A vehicle body structure uses interchangeable middle floor units to share a platform between gasoline and hybrid vehicles.

A battery control device sets time points based on voltage differences to calculate current correction amounts for detection signals.

A DC-DC converter applies a safe test voltage to verify high voltage cable connections before main power activation.

A vehicle control apparatus prevents passing over road obstacles by assessing appropriateness and limiting driving force.

Processing circuitry compares sensor voltage measurements against pre-established patterns to determine battery insulation resistance for electric vehicle starts.

Segmented master and slave ECUs regulate temperature sensitivity in lithium-ion batteries, improving electric vehicle range and energy efficiency.

A series electric drivetrain system uses a single speed ratio direct drive to transfer motor rotational output.

A hybrid drive module axle distributes torque via hydraulic clutches, resolving unpredictable driving behavior in electric rear-axle vehicles.

Segmented rotor cores with shifted magnetic phases reduce torque pulsation in rotary electric machines.

A sliding gear control method applies opposing cancellation torques to neutralize residual forces during declutching.

An electric motor generates heat for vehicle cabins by maximizing electrical power loss while minimizing torque output.

A battery capacity estimation device calculates the maintenance ratio using AC impedance feature frequency and temperature data.

An integrated endplate merges electrical connectors into the battery pack frame to reduce system complexity.

An integrated transmission houses a continuously variable power source and power electronics within a single unit to combine engine and electric power.

A diesel fuel control system calculates filter temperature using ambient and engine sensors to manage hybrid operation in cold weather.

Segmented hybrid powertrains with nested clutch devices enable stationary power generation, resolving low efficiency in parked vehicles.

Inflow suppression prevents high-temperature oil from frictional engagement device entering cooling oil passage, maintaining effective thermal management.

Integrating capacitor modules and coolant channels into one housing reduces device complexity while improving cooling efficiency.

Controller charges traction battery via internal combustion engine during non-drive cycles while preventing engine startup in enclosed spaces.

A vehicle power supply system coordinates battery and generator output to deliver immediate current to external appliances.

A hybrid powertrain control system selects engine states using cost analysis to meet torque requests.

A hybrid vehicle drive control device manages engine stop modes based on gear position, battery charge level, and road slope.

An integrated starter generator accelerates an engine to transmission input shaft speed via a neutral shift.

Internal support rollers enable direct rotation of the specimen, eliminating shaft attachment steps that increase man-hours and risk damage.

A control device manages hydraulic clutch slip to synchronize engine and motor rotation speeds during start-up.

Controller coordinates hybrid starter generator and motor torque to capture excess deceleration energy when motor capacity is exceeded.

A vehicle controller adjusts battery state of charge thresholds based on engine warm-up status to manage charging control execution.

Asymmetric partial charge and discharge cycles heat hybrid vehicle batteries while advancing their state of charge.

Intermediate voltage energy source minimizes boost converter differential losses, improving power delivery efficiency and responsiveness.

A hybrid vehicle control device adjusts engine rotation speed to ensure sufficient assist torque during mode switching.

A motive power system manages charge distribution between high-energy and high-power storage devices to optimize energy use.

A hybrid transmission uses an electric machine and planetary gear sets to create multiple power paths for flexible operation.

A hybrid engine control system modifies fuel injection pulsewidth using electric motor torque signals to maintain combustion stability.

Integrating an electric machine into a planetary gear mechanism generates modulated torque that counteracts internal combustion engine excitation frequencies.

A multi-input bi-directional DC/DC converter manages power distribution between battery and ultracapacitor modules in hybrid vehicles.

Processor-controlled engine starting strategy dynamically allocates torque between dedicated starter and traction motors.