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.

During hydrogen engine shutdown, fuel injection and a fully open throttle raise speed so inertia scavenging blows moisture off cylinder walls and suppresses misfire.

Independently controlled heating elements warm the after-treatment catalyst while cutting battery power cycling, degradation, and energy throughput.

During engine startup, switching air-fuel control from downstream sensing to upstream sensing after catalyst oxygen occlusion stabilizes emissions.

Dual pressure sensors track filter differential pressure in an engine fuel circuit, enabling early clogging detection and reduced pump wear.

Hot exhaust residuals are rebreathed during intake and regulated by VGT to raise cylinder temperature for ethanol auto-ignition with lower emissions.

In-cylinder pressure sensing detects poor dual-fuel combustion and adjusts injector timing to stabilize power output, efficiency, and emissions.

Air torque reserve is regulated from upstream exhaust temperature to speed catalyst warm-up while preventing catalyst overheating and degradation.

Using plunger volume and pressure changes, the controller identifies fuel type and adapts injection timing and pressure during dual-fuel operation.

A variable PI torque with a forgetting coefficient cuts throttle speed overshoot and shortens convergence after engine load changes.

Low-calcium, phosphorus-rich lubricating oil suppresses knock and pre-ignition while preserving engine protection and fuel flexibility.

A partially open spill valve and pressure-dwell mapping stabilize injector pressure during closely timed injections, improving efficiency and emissions.

An auxiliary air source boosts turbocharger airflow at low speed and load, extending diesel cylinder deactivation while maintaining AFR.

Exhaust temperature and lambda feedback keep a two-stroke catalytic converter active without overheating while balancing cylinder air-fuel ratios.

Coordinated valves and jet assist let a dual-turbo engine switch by EGR mode while avoiding surge and preserving efficiency.

Calculating NOx from engine load, airflow, and fuel-derived gas flow enables continuous diesel generator emissions compliance monitoring.

Timed cylinder deactivation raises exhaust temperature at low engine load, improving aftertreatment efficiency and limiting pollutant buildup.

Closed-loop pilot shot adjustment uses heat-release feedback to keep dual-fuel combustion phasing stable despite gaseous fuel variation.

A torque model and intake pressure signal correct crank angle interval errors by matching detected speed to an ideal angular speed.

A compressor bypass valve blends cooled and bypassed air to hold intake manifold temperature at low loads, improving combustion stability and emissions.

An electronic control unit adjusts low-pressure exhaust gas recirculation flow and temperature to suppress knock, enabling higher cylinder pressures.

A pipeline detection unit emits laser light into flowing fuel to analyze fluorescent signals for precise identification.

Electronic control unit calculates center fuel pressure, amplitude, and initial phase from sensor data to predict injection timing values.

Feedback linearization transforms nonlinear MIMO boost control into independent SISO loops, reducing calibration complexity and computational burden.

A dual nitrogen oxide sensor system uses ratio-based adaptation to compensate for signal drift in vehicle exhaust monitoring.

Adjusting valve timing to reduce internal exhaust gas recirculation during catalyst heating.

A control unit estimates the NOx reduction amount before executing catalyst regeneration to prevent unnecessary fuel consumption.

A control apparatus calculates exhaust passage and inner cover temperatures to determine when to heat the zirconia element.

A dynamic limit characteristic curve constrains actuator position during transient phases to prevent exhaust gas turbocharger overspeeding.

A pre-regeneration process raises filter temperature to oxidize soluble organic fractions before main soot removal.

A multi-cylinder engine couples a second piston to a pressure accumulator for rotational drive.

Nested coaxial channels in the valve device route heated fuel only during recirculation mode, preventing paraffin precipitation clogging.

A gas sensor interface circuit uses switching elements to route signals for calibration without interrupting the oxygen concentration measurement.

Interpolating dynamic and static setpoints reduces computational complexity while optimizing torque output and fuel efficiency.

Adjusting deceleration fuel shut-off length via temperature feedback prevents particulate filter degradation during regeneration.

Controller derives fuel consumption from injector pulse width to resolve measurement precision versus device complexity trade-offs.

Segmented fuel injection manages exhaust temperatures while maintaining acceptable fuel dilution levels to prevent engine wear.

A manifold pressure sensor infers barometric pressure using altitude-based reference ratios.

A series turbocharger system manages exhaust flow using bypass valves and a storage tank to resolve sluggish engine response during intermittent load changes.

Engine speed monitoring detects rammer tip-over without dedicated sensors, eliminating false triggers from vibration.

A vaporized fuel leakage detection device uses density and pressure sensors to identify leaks in the fuel processing system.

Edge detection modules calibrate crankshaft and camshaft correlation to predict position when the direct sensor fails.

A control unit computes the intake camshaft rotational phase angle using crank and cam signals.

A dual fuel engine control unit adjusts gaseous and liquid fuel injection rates based on real-time knock sensor feedback.

A sensorless control device for a DC fuel pump extracts RPM from voltage ripple using signal processing units.

A controller switches injection modes to detect system anomalies during idle operation.

A control system learns intake oxygen sensor zero points during engine idle to adjust exhaust gas recirculation flow.

An inverted system model calculates baseline lambda setpoints to predict fill level trajectories, resolving slow detection of conversion window departures.

Preliminary air purge prevents steam condensation in ammonia engine reformer passage, protecting catalyst function.

A valve actuator uses a predefined current profile to control pin movement and reduce mechanical noise.

A fuel injection control device calculates energization time corrections using a booster circuit and drive circuit to manage solenoid coil current.

Pre-pressurizing the intake manifold via VGT and EGR pump prevents in-cylinder pressure from dropping below crankcase pressure, eliminating oil consumption.

A wheelie controller computes a target trajectory for pitch angle and angular speed to manage vehicle body orientation during acceleration.

A control unit selects active cylinder combinations to minimize total friction while meeting engine power demand.

Periodic pressure detection during purge stop and execution phases resolves the trade-off between measurement precision and purge delay time.

A control apparatus creates a torque correction table to adjust fuel injection parameters during diesel engine operation.

A two-valve fuel tank venting system separates refueling and pressure control functions to prevent valve corking during rapid depressurization.

A spark plug fouling index tracks engine start patterns to trigger automated cleaning cycles before vehicle delivery.

Actuating the high-pressure pump opens a pressure-limiting valve, reducing fuel leakage and component stress while lowering production costs.

A control system shifts engine operating modes by comparing current fuel-air ratios against predetermined limits to manage transitions.

Dynamic cycle-by-cycle adjustment of injection timing shifts spray impact positions, preventing continuous accumulation and reducing particulate emissions.

A vehicle control apparatus manages twin turbo changeover valves during engine stop and start phases to detect sticking conditions.

Reactivates fuel injectors based on brake release signals during deceleration fuel shut off to stabilize engine torque and reduce driveline clunking.

Segmented cylinder fuel injection prevents detonation during load increases while maintaining cycle efficiency and reducing emissions.

A three-way valve redirects fuel vapor flow between the engine intake and atmosphere, preventing dieseling during shutdown.

Segmented MPC modules coordinate throttle and exhaust devices to resolve slow response speeds and poor torque accuracy in traditional engine controls.

Limited current supply periods decelerate the plunger rod during suction strokes, reducing impingement noise and power consumption in high-pressure fuel pumps.

A central fuel coordination device queries operating parameters to determine and select compatible fuel types for an internal combustion engine.

An intake system uses angled throttle valves with a phase angle to synchronize parallel cylinders.