Electrical Control TRIZ Cases

A vehicle system measures engine and ambient temperatures to trigger catalytic converter heating during cold starts.

Segmented movable elements in the fuel injection valve expand the control range of fuel injection, balancing adaptability against structural complexity.

A method measures dynamic pressure oscillations in an engine intake manifold to determine valve control times using discrete Fourier transformation.

Segmented through holes and connection paths ventilate the diaphragm cavity, preventing seal-induced measurement accuracy loss in thermal sensors.

Estimates heat release rates by setting tangential line points as initial values for model parameter identification.

Capacitance detecting units measure electrical properties within the selective catalytic reduction catalyst to determine ammonia adsorption levels.

Hardware counters measure signal durations to compensate for slew rate effects, ensuring precise duty cycle alignment in high-frequency applications.

Segmented control components decouple battery charging from vibration damping, preventing device deterioration and interference.

Adjusts existing actuators using manifold pressure pulsations as timing signals, reducing fuel consumption and emissions without adding mechanical complexity.

A dual jet pump system transfers fuel evaporation gas from the canister to the engine intake and fuel tank using negative pressure.

Electronic control unit manages engine output to limit condensate scattering on conductive base materials during exhaust system operation.

Separate high-pressure pumps feed fuel and improver into the injector nozzle, resolving mixing stability issues while maintaining rapid response times.

Partial throttle closure during low fuel injection reduces cold air flow, lowering thermal stress on the exhaust manifold and enabling cheaper materials.

A shielded spark plug sensor detects ionization current to provide feedback for engine control.

A multi-cylinder auto-ignition engine divides cylinders into groups with distinct compression ratios to match specific load conditions.

Diesel engine system manages particulate filter regeneration through timed oxidation catalyst heating and controlled additional fuel injection.

Directly calculates natural gas quality parameters from sensed engine data to eliminate intermediate ratio computations and improve combustion control.

Replacing exhaust temperature measurements with in-cylinder pressure data eliminates sensor variation errors, ensuring accurate cylinder balancing.

Partial exhaust valve opening during compression stroke manages cylinder pressure curves, preventing engine excitation at low speeds.

Fourier transform analysis of RPM fluctuations enables dynamic fuel correction that eliminates resonance-induced vibrations during idle operation.

Dual compressors feed a pressure reducer to blend rich pre-chamber ignition mixtures with lean main combustion charge, reducing NOx without power loss.

Zero hydraulic dwell time between pilot and main injections eliminates computational modeling errors at high pressures, reducing fuel consumption by 2%.

Varying exhaust valve timing equalizes cylinder mixtures and balances mass flow, reducing compressor surge risk while improving torque uniformity.

An electric turbocharger adjusts turbine speed to regulate exhaust gas temperature.

Computer system collects hydrocarbon sensor data during engine startup to detect faults.

Alternating target air-fuel ratios to update learning values, detecting downstream sensor abnormalities from repeated value changes.

Sensors measure fuel properties to adjust engine parameters, enabling safe operation with non-standard alternative fuels.

Sulfuric acid and hydrogen peroxide cleaning preserves shallow dopant particles while removing metal contamination from plasma exposure.

Engine control units predict manifold pressure from idle air control duty cycles to maintain fueling accuracy when sensors fail.

An injection control device adjusts abnormality determination values based on energization current profiles to maintain precise fuel delivery.

A turbocharger control method separates throttle inlet pressure effects into disturbance and remaining portions for independent adjustment.

A combustion control method uses NOx sensors to estimate heat generation rates and adjust ignition timing for optimal engine performance.

A controller estimates exhaust conduit length and volume using transport time from inlet sensors.

Dynamic exhaust valve control maintains stable combustion and emissions compliance in dual-fuel engines facing sudden load changes.

Calculating lambda differences between oxygen sensors diagnoses NOx adsorption catalyst degradation without adding hardware complexity.

Monitoring sensor temperature prevents water vapor condensation during measurement phases, ensuring reliable particle concentration data.

A control device adjusts the air-fuel ratio change speed to stabilize engine torque during operation.

Dosing control unit manages urea water supply to prevent crystallization in the dosing valve during exhaust gas purification.

A cylinder torque module adjusts spark timing and fueling based on crankshaft rotation derivatives to balance output across cylinders.

Preliminary action compensates for sluggish downstream lambda probe response by adjusting offset values during regeneration, reducing pollutant emissions.

Adapts injection valve actuation signals using noise and pressure characteristic values to approximate individual cylinder air/fuel ratios.

A control method opens a turbocharger discharge valve early to position the compressor operating point and prevent surge conditions.

Dynamic current amplitude control maintains high duty cycles, reducing converter heating and improving efficiency during rapid capacitor recharging.

Determines NOx trap efficiency by measuring oxygen uptake changes, avoiding expensive direct NOx sensors.

A control unit adjusts fuel pressure above typical limits to improve atomization during cold starts.

Controllable hydrogen injection adjusts exhaust gas temperature without complex mechanical modifications, reducing system cost and fuel consumption.

Adjusting individual spark timing converges cylinder speed increases, reducing engine vibrations without increasing control complexity.

Raising engine speed prevents lost drive state caused by oil discharge, restoring power transmission capability.

Dynamic EGR rate control maintains component safety by adjusting flow based on real-time operating conditions.

Variable stroke oil pump increases thermal energy transfer to the passenger compartment during cold starts by switching to mechanically regulated mode.