Electrical Control TRIZ Cases

Control method maintains actual supercharging pressure above target levels to reduce turbo lag without increasing fuel consumption.

An air charge estimation method adjusts volumetric efficiency calibrations based on induction pattern history to maintain accurate fuel delivery.

Adjusting exhaust flow from specific cylinders through an exhaust gas recirculation system to the intake manifold.

A fuel supply apparatus uses a coil to apply magnetic attractive force for smooth valve closure.

A control device determines blow-in time based on calorific value to optimize fuel injection for bivalent engine operation.

A hydrogen engine controller calculates combustion pressure fluctuations to determine a correction amount for air-fuel ratio sensor output.

A fuel injector control valve fluidly connects a high pressure passage to a relief passage for selective pressure management.

A dual judgment circuit prevents faulty microprocessor reset commands from releasing the motor, ensuring reliable fail-safe operation.

Dynamic adjustment of electrical state change rates reduces noise and energy loss while maintaining high responsiveness in piezo-injector systems.

Segmented intake air heating manages cylinder-to-cylinder variations to stabilize compression ignition while minimizing energy consumption.

A composite vehicle system carries a secondary vehicle to optimize short-distance travel.

A supercharger design method generates efficiency maps of rotor lead versus operating speeds to determine optimal configurations for fixed pressure ratios.

A gas supply device uses a pump portion to drive air through an oxygen enrichment membrane module.

An engine control unit drives the crankshaft in reverse to accumulate inertial force, overcoming high compression resistance during warm starts.

A transmission control system adjusts upshift timing based on knock-limited spark advance to maintain optimal fuel flow.

A control device manages engine torque by selectively applying vibration components to throttle or intake valves.

An electric heater embedded in a port-type fuel injection valve heats gasoline to enhance atomization and stabilize cold idling.

A microprocessor divides fuel injection into multiple stages to shorten spray length.

A high-temperature resistor chip limits current flow in the nozzle needle seat circuit to enable precise switch state detection.

A variable geometry turbocharger increases intake manifold pressure to support early intake valve closing in internal combustion engines.

A control system restricts purge operations during deceleration fuel cutoff to maintain stored oxygen in the exhaust emission catalyst.

A purging combustion chamber expels non-combusted fuel into the exhaust-gas catalytic converter.

Control valves alternate states to move liquefied gas fuel from the common rail to the main tank without a compressor, preventing abnormal combustion.

A hybrid energy management system captures dynamic braking energy through an integrated storage unit.

A method calculates in-cylinder pressure using manifold absolute pressure and polytropic compression models to determine ignition delay timing.

A single oxygen sensor controls fuel injection across multiple cylinders in a unified exhaust system.

Engine controller estimates direct injector tip temperature to adjust fuel pulse width for accurate density compensation.

Harvester engines switch to boost torque curves during transient overloads, resolving abrupt torque rises that cause perceived power loss at lower rpm.

A turbocharger protection system monitors speed gradients to limit engine torque and fuel injection during operation.

A fuel injector control method sequences individual and simultaneous injections to induce swirling intake air.

Compressed air delivery eliminates vacuum buildup delays, maintaining exhaust temperature and oxygen levels for efficient soot oxidation.

A vehicle controller deactivates engine cylinders during reverse operation to reduce fuel consumption and manage speed excursions.

Processor-based engine control adjusts air-fuel ratio and EGR rates using speed/density equations to reduce NOx emissions while maintaining fuel efficiency.

A short-circuit pinpointing device uses a controller and current-sink to connect test resistors to wide-range air/fuel sensor terminals.

Dynamic voltage adjustment accelerates exhaust sensor warmup by tracking temperature gradients, reducing engine design reserves for emission compliance.

Segmented throttle valves control inlet pressure and airflow for distinct cylinder groups.

An engine generator monitors input voltage duty ratios to identify internal faults within the rectifier and winding circuits.

Nested check valves align orifices to inject fuel and oxidant simultaneously, resolving inadequate mixing caused by post-injection contact.

Segmented ignition devices enable compression starts for normal operation, eliminating cold pre-combustion heat sink issues during cold conditions.

Segmenting the fuel supply into independent zones with recirculation prevents valve damage from frequent pressure adjustments.

Airflow determination module calculates desired engine speed to compensate for wind and wave disturbances without additional sensors.

A fuel injection control device corrects drive current and pulse width based on detected valve closing completion time.

Online parameter estimation and input space compression reduce computation time while maintaining model resolution.

A ratio determination unit adjusts direct and port injection fuel quantities to maintain ignition timing consistency across cylinders.

A hydrocarbon after-treatment device manages temperature during cold start conditions to enable controlled oxidation of trapped emissions.

Segmenting the catalyst into two stages with an inter-catalyst oxygen enrichment process compensates for sensor drift and reduces ammonia emissions.

A multi-pulse fuel delivery control system adjusts second injection timing and volume to stabilize combustion.

Electronic control module detects pump outlet valve wear by comparing pressure decay rates during zero-fueling conditions.

A second pressure difference measurement detects defects in exhaust pressure lines, ensuring accurate particulate filter diagnostics.

A multi-fuel injector assembly uses a movable needle and actuator to switch between distinct fuel delivery configurations.