Electrical Control TRIZ Cases

A turbocharger boost pressure estimation method calculates intake and exhaust mass flows using estimated throttle body temperature.

An oxygen sensor system modifies signal levels to report anomalies without extra wiring.

A control apparatus coordinates dual fuel injection valves with a waste gate valve to stabilize combustion.

A control unit estimates component temperature from fuel rate signals to calculate incremental damage accumulation.

A saddle vehicle engine control system restricts maximum intake amount during cold starts to maintain stable air-fuel ratios.

A fuel injection control system adjusts pilot injection parameters to enhance ignitability and combustion stability.

A central bypass passage through a gasoline particulate filter reduces exhaust backpressure and packaging volume while enabling external valve access.

An independent temperature monitoring controller monitors diesel fuel heat and triggers engine starts only when necessary, reducing fuel waste and pollution.

A control device adjusts electrically driven charging output using reduction factors derived from boundary conditions.

Dynamic adjustment of high and low pressure exhaust gas recirculation rates maintains total flow targets while protecting the low pressure filter from clogging.

Interpolating fuel injection on-time values from look-up tables based on rail pressure and fuelling amount to correct for in-cylinder pressure variations.

Segmented controllers manage complex interactions to improve emissions precision while reducing device complexity.

A downstream CO2 sensor detects oxidized soot signatures to enable real-time particulate matter presence identification.

Constant current source converts varying impedance into linear signals to resolve measurement precision issues in fuel injectors.

Out-of-phase hybrid motor torque cancels engine oscillations, preventing component damage from resonant frequencies at lower start-up speeds.

A control device coordinates turbocharger boost pressure and throttle valve adjustments during cam switching operations.

A driven turbocharger transmission adjusts compressor speed via variable ratios to deliver precise boost pressure.

Controller extends waiting time between tumble valve actuation and mode switching to maintain combustion stability during low intake load transitions.

A fuel reformer catalyst recovers capacity by stopping main and reforming-fuel injections while maintaining open EGR and throttle valves to supply additional air.

A control system generates engine torque reserve by increasing airflow and deactivating cylinders to optimize vehicle launch performance.

A controller processes crankshaft speed signals to detect engine cylinder knock without dedicated sensors.

A fuel rail pressure sampling system estimates injected quantities by isolating individual injectors and measuring resulting pressure drops.

An internal combustion engine control device manages air-fuel ratios using statistical models to maintain catalyst purification efficiency.

A valve assembly uses a biasing spring to maintain fluid flow when control signals are absent.

Mathematical model determines fuel injector opening delay from solenoid activation duration, improving injection accuracy and reducing emissions.

Engine controller anticipates electrical load changes to adjust torque output via feed forward inputs.

A control device calculates varying gain values for proportional and integral terms based on the air/fuel ratio region to optimize feedback stability.

A power system injects concentrated oxygen into an internal combustion engine to enhance fuel economy and reduce air pollution.

A premixed compression ignition engine uses spatial air-fuel segmentation to control combustion timing through sequential spark and self-ignition phases.

Segmenting calibration from operation reduces computational complexity while maintaining measurement precision for rotary encoder error detection.

Periodic engine disconnection from the driveline reduces fuel consumption by 10.2% to 25% while maintaining vehicle speed stability.

A desulfation trigger module monitors sulfur accumulation to initiate NOx adsorber regeneration cycles.

Multi-gas analyzer identifies EGR valve and injector issues by measuring CO, NOx, and hydrocarbon levels across engine operating states.

A swirl control valve opens fully during engine tip out to increase intake volume and lower pressure.

A locomotive engine controller adjusts fuel injection timing to achieve homogeneous charge compression ignition.

A clogging detection unit combines pressure and temperature sensors to identify injection nozzle blockages in exhaust systems.

A fuel injection control device measures actuator delay time to determine energization timing for precise valve operation.

A fuel injection control device computes injection pulse widths using dynamic average fuel pressure calculations.

MPC system generates artificial reference signals to anticipate future torque demands and optimize actuator settings.

An exhaust system for ammonia engines uses hydrogen injection and a three-way catalyst to treat emissions.

Cylinder pressure sensors feed back into fuel metering devices to cut off injection, resolving slow response times in large stationary gas engines.

An engine control unit adjusts ignition timing using intake air humidity data to optimize combustion efficiency.

A physics-based model predicts fuel gas pressure in vehicle tanks using temperature and volume data.

A continuous variable valve duration apparatus adjusts cam phase angles via a slider housing to control engine valve timing.

Measuring water volume during pressure increases determines air mass, preventing high-pressure pump damage and filter ice formation.

A fuel injector control portion manages coil current to maintain electromagnetic force.

A cognitive-driver-assist system varies warning intensity and control authority based on real-time operator awareness assessment.

A control unit detects engine model identity using camshaft rotation pulse patterns to prevent illegal device replacements.

Over-scavenging the pre-chamber with excess fuel bridges delivery delays, stabilizing lean combustion and reducing emissions.