Electrical Control TRIZ Cases

Exhaust oxygen sensing identifies hydrogen-natural gas blends at startup and tunes air-fuel ratio for efficient combustion without hardware changes.

Dual oxygen sensor feedback stabilizes air-fuel control during exhaust path switching, cutting emissions and protecting catalyst efficiency.

Timestamp correction and ring-buffered Nernst sensor data remove pump-current jitter for reliable cylinder-specific lambda detection.

Cylinder-pair oxygen sensing helps cross-plane V8 controllers correct air-fuel imbalance faster, improving cold-start lambda control and emissions.

Before switching to a second fuel, the controller checks fuel supply and air-fuel ratio components to prevent engine abnormalities.

Precise hydrogen injection pressure and late compression-stroke timing cut pressurization losses while maintaining reliable diffusion combustion.

Production-stage measurement of initial injector drive voltage sets ECU correction values to keep small diesel fuel injections accurate.

Dynamic fuel blending by route and power demand improves multi-fuel vehicle efficiency while cutting CO2 from fixed-ratio operation.

Multiple TEE-based aggregators split and shuffle model updates to curb data reconstruction attacks without the accuracy loss of differential privacy.

Lowering intake manifold pressure based on battery voltage helps the starter motor overcome cranking resistance during idle-stop restart.

Separate air intake and crank-chamber fuel injection reduce two-stroke blow-by while improving scavenging control across changing loads.

Under-stoichiometric ammonia combustion with oxygen-fed ammonia slip catalysis cuts N2O and residual ammonia without special N2O catalysts.

Uses pressure, temperature, speed, and exhaust-state corrections to estimate cylinder intake gas mass accurately under real driving transients.

Cylinder-by-cylinder fuel switching stabilizes dual-fuel engine combustion while reducing disturbances during gaseous-to-liquid transitions.

Independent primary and secondary metering valves improve engine fuel-flow accuracy and maintain delivery if one valve fails.

When SCR and ASC catalysts are cold, unburnt H2 in the exhaust is used as a reductant in the ASC to improve NOx control.

A speed- and load-based correction factor improves cylinder air charge accuracy in unfired operation, supporting better exhaust temperature modeling.

Releasing the direct clutch during filter regeneration lets fluid coupling absorb engine torque fluctuation and suppress vehicle noise and vibration.

Valve-isolated return flow and a bypass line let dual-fuel injectors switch methanol and diesel at the cylinder with less delay.

Real-time combustion feedback adjusts injector current timing and amplitude per cylinder to reduce variability and improve fuel efficiency.

Current-differential sensing detects injector valve timing and corrects pulse width to reduce cylinder-to-cylinder fuel variation and emissions.

Caps turbine opening during torque transients to balance intake pressure, exhaust pressure, combustion stability, and pumping losses.

Dual feedback from hydrogen flow and chamber pressure adjusts liquid hydrogen pump output to suppress supply pressure variation.

Dual pressure sensors track filter pressure drop in a fuel circuit, enabling precise clogging diagnosis and timely maintenance.

Comparing two thermistors at different thermal locations helps block unnecessary start assist and improve fuel and ignition timing control.

Controlled fuel-cut release enables particulate filter regeneration while limiting excessive temperature rise and thermal damage.

Vortex-cooled intake air with hybrid PCM and glycol cooling keeps H2 engine intake temperature below knock thresholds.

Sensor-based rate limiting slows throttle opening under hot, low-pressure intake conditions to preserve airflow and acceleration.

Predictive inert gas flushing clears trapped methane from ICE fuel lines and sends it to a burner to cut non-operational emissions.

Unburnt H2 in a timed exhaust-rich mode heats the ASC above 500°C, enabling catalyst regeneration while limiting NOx-related maintenance.

Fuel quantity is set from actual air charge rather than only a lambda target, helping hydrogen engines avoid knocking and stabilize combustion.