Hybrid Vehicles TRIZ Cases

An electric motor handles low-speed traffic while the IC engine takes over at higher speeds, with exhaust heat keeping the battery ready in cold conditions.

A thermoelectric module switches between Seebeck power generation and Peltier cooling to control stator coil heat and sustain motor performance.

A supervisory controller balances battery and engine-generator use so the vehicle can extend range and deliver power where charging access is limited.

Road resistance estimation and brake-capacity-based speed references keep mining machines stable on descents despite sensor or braking failures.

Predictive engine power control uses efficiency and NVH maps to set ICE torque and RPM for lower fuel use and emissions.

Balances traction energy against speed-independent loads such as freezers or PTO units to set a speed trajectory that minimizes total energy use.

An electric drive interface gear and clutch layout lets one hybrid gearbox support EV, hybrid, and ICE platforms with shared components.

By stacking the reservoir and second transmission above the first, this case shrinks front-rear drive unit length while preserving parking engagement.

A height-aligned radiator opening in the coolant passage improves uniform cooling and reduces semiconductor overheating in EV power modules.

A flat spiral spring around the jelly-roll electrode assembly restrains charge-cycle swelling, stabilizes shape, and preserves usable cell space.

Dynamic torque limits based on belt torque signals help BiSG drives prevent overheating, maintain torque transfer, and extend belt life.

Rapid catalyst warm-up during engine idle-off is stabilized by coordinated engine speed, torque, air amount, and ignition timing control.

Torque limiting is held until the driving torque integral reaches a threshold, suppressing gear rattle after torque reversal.

Variable drive-force reduction rates limit overheating while preserving vehicle traveling stability over longer operation.

When cooling faults restrict radiator airflow, power to the second driving source is limited to prevent overheating and extend vehicle travel.

Location-based power mode history helps parked EVs precharge traction batteries before arrival, powering non-drive loads without engine noise.

Sets a vehicle speed trajectory by balancing traction energy against speed-independent loads such as freezers under time and speed limits.

When battery temperature is low, engine speed and generator torque are adjusted to maintain SOC and secure vehicle power during idling.

Restricting user mode selection at low battery and switching only under set conditions helps maintain stable power delivery and driving feel.

Two indirect temperature sensors and a thermal network estimate true inverter coolant temperature despite thermal resistance and power-loss effects.

When EV mode is unavailable, starter-based engine start plus motor-driven oil pressure enables timely clutch engagement without stalling.

Controllable mechanical diodes and motor direction changes enable rapid power-on shifts between forward and reverse without torque interruption.

Torque and current drop-rate monitoring lets the controller switch fly mode early to prevent turboshaft overspeed after generator load reduction.

Variable battery voltage limits and discharge power during catalyst warm-up help prevent voltage drop while preserving hybrid vehicle drivability.

Engine oil and coolant temperatures are used to estimate loss torque, improving ISG engine start smoothness and control accuracy.

ABS and GPS feedback derate regenerative braking on slick roads, cutting traction control events while preserving energy recovery.

Route-based mode selection preserves battery charge for engine-restricted sections while avoiding excessive engine charging and fuel loss.

A differential and mechanical power splitter enable skid steering without separate steer motors, cutting complexity while preserving speed.

Balances energy use and tyre wear in vehicle path planning by optimizing speed, acceleration, and torque to meet range constraints.

A clutched second motor and downstream planetary gears boost commercial-vehicle torque while cutting noise, motor weight, and energy use.

Operators can block automatic engine startup at low battery charge, preserving zero-emission operation while reducing fuel use and engine wear.

Dynamic axle torque limits use road grade, speed, and power flow direction to improve hill performance while reducing component wear.

When battery charge acceptance is limited, this control switches out of EV priority to handle stronger regenerative braking without forced engine drive.

Past driving data, road gradient, and relative speed are used to predict future vehicle power demand for better fuel efficiency and battery control.

Location and time-specific model updates personalize EV range prediction, improving accuracy while reducing onboard data storage and privacy exposure.

A movable ring gear, ring brake, and free-wheel clutch compactly combine engine starting and power generation while controlling torque and speed.

Precomputed ECMS tables replace simple rule-based control to optimize engine-motor torque split, improve endurance, and protect the battery.

Switching a hybrid vehicle DC bus between low and high voltage helps meet variable AC load demand without running at high voltage continuously.

Predictive control uses field maps and in-situ data to manage hybrid harvester power and battery charge with less fuel waste and delay.

Pre-adjusting engine speed and torque before clutch action enables smoother series-parallel switching with less power interruption and better fuel use.

Tracking electric and fuel driving ratios over past distance helps hybrid drivers adjust habits for smoother, safer, and more efficient use.

A detachable electric motor joins the output shaft through a gear train, enabling hybrid torque multiplication with minimal engine layout changes.

Predictive SOC control uses route energy estimates to secure battery charge before zero-emission zone entry and avoid engine use.

By estimating oil viscosity from electric pump torque, heater energy is tuned to cut crankshaft resistance and improve engine startability.

Emulated gear ratios tie engine speed to vehicle speed in a series hybrid, reducing NVH while keeping efficient operating points.

Forced clutch engagement keeps a hybrid vehicle moving after driveline failure, then releases the engine-side clutch at low speed to avoid stall.

Predictive hybrid drive control keeps catalyst temperature above a critical threshold during low-load phases while avoiding unnecessary heating.

Variable pump speed raises hydraulic pressure only when needed to open a poppet valve, improving EDM cooling and lubrication with lower power use.

Shared bridge arms and bus capacitors replace separate DC conversion hardware, shrinking EV drive volume while supporting charging and hybrid modes.