Electrical Control TRIZ Cases

A sensor calculates air-fuel ratio using impedance-based temperature parameters to correct output current signals.

Predictive model controllers coordinate engine and selective catalytic reduction subsystems, balancing NOx emission targets against fuel efficiency trade-offs.

Segmenting operation ranges into lean and rich side thresholds improves measurement precision while managing device complexity.

Segmenting the vapor path with a restriction maintains low fuel tank vacuum while enabling high purge flow rates and deep canister vacuum.

A fuel tank pressure transducer diagnostic method vents a vapor canister to an engine intake during vehicle-off soak to detect sensor offset.

Electronic supply valve doses evaporated natural gas into the intake manifold to reduce methane slip and greenhouse gas emissions.

A zirconia sensor resistance detection system uses a constant-current circuit to measure electrical properties directly.

Parallel air ducts with independent mass flow sensors manage cylinder and heater airflow.

Dual regulators and a voltage monitoring unit stop clock signals during surges, preventing processor malfunctions without lengthy reset delays.

Mapping data assesses sensor responsiveness by analyzing excess fuel amount time series against air-fuel ratio detection variables before threshold limits.

Injecting a hydrogen peroxide pilot enables reliable hydrogen auto-ignition without carbon-emitting diesel, resolving emission-reliability trade-offs.

Secondary injection burns residual fuel after primary ignition, reducing injector pressure and eliminating environmental pollution risks.

A load control system adjusts prime mover speed to match air compressor demand, maintaining required pressure levels while reducing noise pollution.

A purge ejector diagnostic method monitors exhaust air-fuel ratio changes during vacuum and boosted canister purging to verify component integrity.

Periodic wastegate movement creates exhaust turbulence that oxidizes hydrocarbons before the catalyst reaches operating temperature.

A fuel injector system adjusts spray pressure and timing to optimize combustion efficiency in compression ignition engines.

Switching the sensor to concentration-cell mode at low loads resolves responsiveness limits, enabling accurate imbalance detection via output differentiation.

Segmented feedback and open-loop control manages exhaust gas recirculation flow rates during mode switching, reducing NOx emissions.

Segmenting injection into intake and direct paths reduces energy consumption during low-load operation while maintaining high cylinder output at full power.

An engine bypass valve redirects compressed intake air to maintain compressor efficiency.

Control device calculates injector state using sensor data and a model to generate condition signals.

An auxiliary LPG switch detects the main switch state to drive fuel cut-off solenoid valves and enable accurate idle stop go control.

A cylinder control module selects and adjusts activation patterns across sub-periods to manage engine operation.

A control system determines injector transfer function shapes via reference pulses to adjust fuel injection parameters.

A regulating valve maintains a fixed opening rate to sustain oxygen levels during particle filter regeneration.

Electronic processor monitors engine speed and secondary parameters to detect confined space conditions.

An engine system reduces torque shocks during mode transitions by suspending main ignition and synchronizing subignition with delayed main spark plug firing.

Vacuum recycling between fuel tanks resolves power and noise trade-offs during heavy-duty vehicle leak testing.

A fuel controlling unit determines combustion ratios using sensor profiles to deliver optimal fuel mixes.

Differentially adjusting exhaust tuning valves reduces sub-firing order vibrations from cylinder torque imbalances, improving sound quality.

Periodic rich and lean control pulses measure exhaust amplitude to detect precious metal deterioration without worsening continuous exhaust emissions.

A solenoid valve controller monitors switching frequency during the hold phase to identify failed actuations and adjust energy levels.

A control system determines engine NOx levels by calculating intake air enthalpy and humidity from thermodynamic parameters.

A scavenging control device adjusts valve overlap to manage air-fuel ratio in internal combustion engines.

Electronic control unit adjusts fuel delivery and ignition timing to maintain engine speed within safe operational limits.

Engine control module tracks individual fuel pulses to detect missed injections in multi-pulse combustion cycles.

A cylinder control system selects activation sequences to minimize fuel consumption.

An adaptive controller modifies regeneration parameters based on ambient and system conditions to optimize component longevity.

A butterfly valve actuator limits supply voltage based on shutter position to maintain consistent dynamic behavior during engine operation.

A variable valve train adjusts intake valve timing to optimize expansion ratios and thermal efficiency in internal combustion engines.

Worm gear self-locking mechanism holds exhaust flap against gas pressure without continuous servomotor power, reducing energy consumption.

A dual-controller system manages direct fuel injection timing and duration using a dedicated state machine for rapid current profile switching.

A circular arc level sensor detects vehicle inclination to automatically shut off engine power and fuel pumps during rollover events.

Bi-directional electronic control modules generate three-dimensional fuel maps for liquid and gaseous fuels to minimize slip during intake strokes.

Local cylinder modules generate internal pressure references from set values to resolve communication failures and ensure uniform fuel distribution.

Periodic duty-cycle control of two independent trim valves mitigates pressure pulsations and ensures stoichiometric combustion during power loss events.

A correction unit calculates a coefficient to align electromotive force detection with timing mode for precise valve closing measurement.

Conditional update logic prevents inaccurate learning values when port injection dominates, maintaining precise air-fuel ratio feedback.

Electronic controller monitors insulated tank pressure to detect cryogenic system faults, preventing component failure and reducing machine downtime.