Electrical Control TRIZ Cases

Dynamically adjusts feedback gain during compressor transitions to suppress rotational fluctuations and prevent engine stall.

A vehicle exhaust purification system coordinates lean and rich burns to manage particulate filter regeneration and lean NOx trap desulfurization.

An RPM controller monitors safety restraint engagement to cap engine rotational speed when seatbelts are unfastened.

Adjusting a variable volume vessel leverages exhaust pressure waves to drive gas through the EGR cooler, recovering heat from wasted exhaust energy.

A control device coordinates air amount, fuel supply, and ignition timing to manage target air-fuel ratios during operation mode transitions.

Recirculating exhaust gas to the supercharger inlet maintains aftertreatment temperatures during motoring, preventing emission spikes from device cooling.

Variable transmission drives roots blowers to maintain optimal airflow at high altitudes, preventing incomplete combustion and reducing emissions.

A calibrated EGR valve control system adjusts exhaust gas recirculation flow based on accelerator pedal position to stabilize engine torque during transitions.

An ammonia internal combustion engine uses an NOX selective reduction catalyst to purify exhaust gases.

A contact infrared temperature sensor uses an optical function section to guide radiation from a heat-resistant cylindrical member to a detecting element.

A turbocharger compressor control method adjusts pressure ratio and rotational speed based on gas flow change quantity.

A recirculation circuit builds pressure in the electric compressor before engine connection, preventing sudden boost drops and reducing electrical drain.

Adaptive engine control modulates torque and speed using real-time reducing agent detection to maintain exhaust purification while preventing jerky movement.

Timer module tracks low vacuum periods and triggers boost reduction to mitigate stochastic pre-ignition engine damage.

A diagnosis part supplies current to injector coils for a short period to test the guard mechanism without opening the valve.

A diagnostic interface device captures rail pressure signals and outputs graphical data to identify injector anomalies without removing components.

Preliminary ventilation removes accumulated second fuel from the intake system, preventing undesirable combustion during transitions.

Controller adjusts abnormality determination thresholds based on intake valve working angles to detect reduced air amounts.

A control pressure switching valve adjusts load sensing control pressure to increase hydraulic pump delivery displacement and raise engine rotational load.

Inlet valve throttles airflow to generate vacuum, eliminating purge ejector tee complexity.

A fuel injection controller calculates rotation speed fluctuations to determine actual injection amounts and corrects command values based on detected deviations.

Correction factors adjust measured ohmic resistance against exhaust gas composition, aging, and heating effects to improve temperature measurement precision.

A misfire detection device calculates rotation fluctuation amounts at two specific crankshaft angles to determine combustion status.

A glow plug control device adapts its temperature model using measured resistance gradients to estimate surface temperature during engine operation.

A method determines reference current values for solenoid fuel injectors by analyzing temporal current and magnetic flux profiles during actuation cycles.

Interface displays active auto-stop inhibitors via priority alerts, resolving driver unawareness of system status that reduces fuel economy.

Reforming liquid fuel into gas and injecting it near the spark plug eliminates fuel film accumulation, reducing hydrocarbon emissions during cold starts.

Predicts in-cylinder conditions using intake manifold pressure and temperature to adjust fuel injection timing and quantity.

Modifying geometric parameters of parallel turbocharger and recovery turbines balances engine drive power against maximum exhaust energy recovery.

Periodic solenoid control limits piston movement duration, reducing audible noise disturbance while ensuring adequate fuel pressure.

A nitrogen oxide trap management system adjusts regeneration authorization based on lubricating oil dilution rates.

Diesel engine regeneration applies additional load to burn off soot deposits, restoring performance and preventing lasting damage from carbon buildup.

A carbon monoxide sensor unit calculates a trailing window average of detected gas levels to determine engine shutdown conditions.

Resumes multi-port injection during the intake stroke to generate immediate torque, preventing engine RPM drops caused by delayed refueling.

Waste heat preheats methanol feedstock in a dehydration reactor to generate DME pilot fuel, ensuring consistent supply during startup and shutdown.

Dynamic adjustment of the air filter's maximum permissible differential pressure extends service life while maintaining turbocharger reliability.

A diverter valve mixes cooled and uncooled exhaust streams to set the SCR catalyst inlet temperature.

An adaptive transfer function adjusts driver demand torque based on detected vehicle weight to maintain consistent powertrain response.

A control unit monitors variable vane actuator timing to detect link mechanism wear in internal combustion engines.

Sequential sealing prevents external gas leakage when the purge control valve detaches from the engine intake passage.

Incrementing a time counter during high-load operation triggers performance reduction to limit exhaust gas temperature and extend component lifespan.

A controller coordinates the electronic throttle and supercharger bypass valve to manage airflow into the engine cylinders.

Adjusting donor cylinder fuel injection regulates intake oxygen concentration, resolving loose tolerance bottlenecks that increase NOx emissions.

A fuel pump motor controller uses an environmental noise transducer to convert vibrational energy into electrical signals for dynamic speed adjustment.

Position-limiting rods block the choke valve shaft at predetermined angles during cold and warm starts, preventing rapid full opening or complete closure.

Superstoichiometric operation heats a particle filter in a spark-ignition engine, resolving oxygen availability constraints during regeneration.

An engine control device switches air-fuel ratios to regenerate NOx catalysts and PM filters.

A control system detects over-temperature during particulate filter regeneration and activates mitigation strategies including cooling fans.

A control device adjusts intake valve operating angle and throttle opening to prevent pre-ignition in internal combustion engines.