Electrical Control TRIZ Cases

A solenoid-driven pressure reduction valve adjusts its opening threshold via electrical current to enable automated system monitoring.

Setting a limited passage cross section in the suction throttle controls fuel flow, preventing impermissible valve response and rough engine operation.

A vehicle system processes range and range-rate signals to command engine starts based on preceding vehicle movement.

Increasing NO amount incident to the SCR catalyst enables sulfur regeneration at lower temperatures, avoiding high heat that deactivates the catalyst.

Electronic control unit selects operational states by comparing thermal efficiency while maintaining vibration below predetermined limits.

Crankcase injection with low-pressure nozzles prevents piston wetting and reduces hydrocarbon emissions during idling.

Dual spark modules retard and advance timing during cylinder transitions to minimize torque fluctuations and improve fuel economy.

Variable pulse durations encode magnetic field anomalies into the signal stream, enabling processing units to diagnose air gap defects without extra hardware.

A unified internal combustion engine control device estimates catalyst temperatures using stored emission data and switches processing based on hardware configuration.

Electronic controller manages fuel injection pressures in dual fuel common rail systems to maintain engine operation during limp home mode.

Controller selects power supply states based on activation signal characteristics to adapt fuel injector operation.

A vehicle control module adjusts powertrain parameters through wireless signals from user devices.

Variable mass flow retrieval extends total hold time by preventing premature discharge from mismatched containers.

A fuel fill control system uses GPS and camera data to initiate tank depressurization before refueling access.

Grooves mechanically constrain lead pins to prevent socket lifting during adhesive curing, maintaining signal integrity without external force.

An exhaust purification system controls intake and EGR valves to manage excess-air-ratio without lambda sensor reliance.

A control device senses crankshaft reverse rotation via dual angle sensors to shift gears into neutral.

Dynamic rich period adjustment prevents upstream reducing agent depletion, ensuring sufficient supply to reduce re-occluded SOx in downstream catalyst zones.

Computational model derives turbocharger operating speed from manifold pressure, temperature, and flow data to eliminate dedicated mechanical sensors.

Alternating mixed and diesel exhaust flows through the catalyst to maintain optimal palladium oxidation states.

A vehicle system adjusts evaporative emissions diagnostics based on real-time ambient sound levels detected by autonomous sensors.

An on-board diagnostic system monitors supercharger operation in opposed-piston engines using integrated sensors and a programmed ECU.

A separation algorithm processes exhaust NOx sensor signals to distinguish ammonia from nitrogen oxide emissions using modeled stoichiometric relationships.

A fuel injection valve detector uses a correction unit to adjust peak timing deviations in voltage waveforms for precise valve state detection.

MEMS multigas sensor detects methane, ethane, propane, butane, acetone, and methanol simultaneously via spectral analysis to reduce system complexity.

A vehicle control system inhibits auto stop functions based on learned driving routes to prevent unnecessary engine restarts.

Method calculates cylinder air mass via injection mass curves, resolving low-revolution measurement precision issues.

A CVT control system generates a compensated engine speed signal using true engine torque to stabilize vehicle operation.

A vehicle control apparatus estimates exhaust pipe temperature to select between ignition retard and fuel cut methods for shifting-time torque-down.

A fuel injector assembly uses a movable needle to adjust delivery configurations.

A control system monitors particle filter temperature to manage regeneration cycles.

A controller manages dedicated exhaust gas recirculation cylinders using differential fuel injection strategies to adjust the EGR fraction and temperature composition.

A controller commands fuel injector rate changes and measures air-fuel ratio variations with a single downstream oxygen sensor.

A high pressure pump relief valve reduces fuel rail pressure before intermittent direct injector activation.

A clock signal monitoring apparatus converts duty cycle and frequency into a peak value to verify internal clock reliability.

Audio control module generates engine sounds using predicted speed and torque values from the network bus.

A processing unit determines catalytic converter oxygen fill levels to reactivate lambda control with corrected air-fuel mixture adjustments.

A dual injection valve control method adjusts direct injection fuel volume while holding port injection at a fixed amount.

An electronic throttle valve adjusts opening via engine speed and accelerator position to regulate airflow.

A compression ignition gasoline engine adjusts the exhaust gas recirculation rate based on detected fuel octane numbers to maintain homogeneous charge compression ignition.

An electrically actuated vent valve maintains optimal pressure in the inlet chamber, preventing fuel stagnation and evaporation.

Coordinated e-VGT and EGR valve closure increases exhaust back pressure for faster catalyst light-off while the electric motor maintains stable boost pressure.

A variable resolution sampling window adjusts in-cylinder pressure measurement frequency to calculate real-time combustion metrics within the engine control unit.

A torque control system combines exhaust air-fuel ratio, manifold pressure, and cylinder torque data to detect cylinder imbalances.

Integrating the sensor element, drive circuit, and chip capacitors on one substrate reduces device complexity and manufacturing cost.

Segmented controllers reduce processing load while maintaining high-speed valve timing accuracy during cold starts.

Switching between engine output torque curves maintains rotation speed when maximum horsepower settings weaken the natural recovery force.

An eccentric pin adjusts the valve plate angle within a throttle housing aperture using rotational cam motion.

Second drive circuit placement near battery device reduces wiring length and suppresses electromagnetic interference on multiplex communication lines.

A carbon monoxide shutoff system uses a gas sensor and microcontroller to stop the engine.