Electrical Control TRIZ Cases

Optimized intake port volume ratio suppresses reverse flow in fixed valve timing engines.

A dual smoothing mechanism processes detected fuel pressure signals to optimize injection timing.

Capacitance-based detection replaces bulky differential pressure sensors to resolve accuracy and regulatory compliance trade-offs in DPF monitoring.

A fuel pump control system adjusts operation speed and activation cycles based on measured engine torque to mitigate cavitation.

A variable-speed supercharger adjusts intake air pressure to support highly diluted combustion in internal combustion engines.

Routing exhaust through deactivated cylinders heats the after-treatment device while reducing engine pumping work and fuel consumption.

An engine system limits intake amount to suppress knocking when ignition timing retardation fails.

A hydrogen supply assembly uses interior and exterior pressure sensors to detect leaks in aircraft propulsion systems.

A controller executes richening and air supplying processes to estimate stored oxygen capacity in a catalytic converter.

A control unit schedules switch-off path tests during engine operation using crankshaft position sensing to identify safe execution windows.

Random current modifications differentiate parallel sensor outputs, resolving intake and exhaust phase ambiguity in variable valve timing engines.

A fuel pressure waveform analysis calculates kinematic viscosity and cetane number using ECU processing of pressure sensor data.

A welding power system controller connects a starter battery to the power bus via a boost converter to supplement arc start energy.

Uses inclined wavelength characteristic retardation films to suppress oblique light leakage and stabilize display contrast.

Pressure sensors monitor differential pressure across turbocharger air inlet passageways to detect rotational speed anomalies.

A resin gear design positions a concave portion to guide molten resin flow paths for welded portion formation.

A solenoid latch rocker arm mechanism sets cylinder valve states at engine start using inductive signatures.

A vehicle engine control system monitors idle status and alerts the driver via mobile device to prevent accidental fuel waste.

A resonator stores engine vacuum to diagnose evaporative emissions breaches without an electric pump.

A fuel leak diagnosis apparatus compares temperature measurements from sensors at distinct locations within the liquefied gas fuel passage to identify leaks.

A control device calculates actual cylinder intake air flow using a response delay model and volumetric efficiency parameters.

A control device adjusts the target air-fuel ratio to stabilize lean combustion in spark ignition engines.

Controller compares actual readings against estimated values to identify mid-catalyst NH3 sensor faults.

Algorithm provides operator control over diesel particulate filter regeneration to balance exhaust gas temperature management with fuel economy constraints.

A passenger monitoring unit adjusts fuel injection to conserve energy when the vehicle operates unmanned.

A controller dynamically adjusts the ABS reference speed to manage engine response.

Retarding ignition timing suppresses particulate number emissions by reducing liquid fuel combustion on the piston top surface during acceleration.

A combustion control unit calculates cylinder wall surface temperature from in-cylinder pressure to adjust fuel injection timing and split ratios.

A system determines knock margin by advancing firing timing and monitoring sensor signals.

Dynamic cylinder firing maintains exhaust temperatures for aftertreatment efficiency while preserving lean burn fuel economy.

A throttle control module adjusts the engine throttle position during cranking to limit volumetric efficiency.

Activating an electric air compressor to purge exhaust moisture prevents prolonged open-loop operation and inaccurate sensor measurements.

Monitoring airflow changes initiates fuel composition learning to adjust injection parameters and reduce engine stumble during mixed fuel transitions.

A control device adjusts fuel injection amounts in active cylinders during engine restart to stabilize combustion and assist torque.

A pure delay compensator corrects position commands in vehicle servo systems using a high-pass filter and amplifier.

A cam phaser modulates engine thermal output to manage aftertreatment component temperatures.

Vacuum source positioned downstream of pre-compressor throttle drives gas circulation through crankcase ventilation and emission control systems.

A fuel injection controller adjusts peak current values based on pressure convergence to optimize drive circuit performance.

A microprocessor-based controller adjusts fuel delivery via feedback signals to prevent rich mixtures and premature combustion at high engine speeds.

A valve body protruding line and communication passage remove deposits from an air intake recess using engine suction force.

A control unit adjusts NOx purge target intervals based on estimated catalyst deterioration to maintain storage capacity.

Multiple fuel injections during the expansion stroke reduce cylinder wall wetting and improve combustion stability.

Upstream sensor means detect fuel flow properties to enable precise control unit activation of injectors.

Limiting set torque by an air ratio limit prevents mixture enrichment during dynamic load changes, reducing component stress and improving exhaust quality.

Active dampening system counters frame rail vibrations during cylinder deactivation, enabling extended fuel-saving operation without cabin noise.

A control module determines biodiesel blend ratios using exhaust oxygen concentration and intake air mass flowrate data.

Segmented rocker arms with DLC coatings reduce mass while maintaining lash adjustment, improving fuel economy without increasing device complexity.