Electrical Control TRIZ Cases

An internal combustion engine reduces charge exchange losses by throttling intake flow and closing exhaust valves in deactivated cylinders.

A fuel consumption measurement system calculates real-time data using a correction coefficient derived from injection amounts and tank changes.

A heating element warms fluid flow through a bypass path to raise catalyst temperature before engine startup.

Dynamic fuel injection strategy adjusts port and direct injector ratios to manage particulate formation in internal combustion engines.

A controller calculates shaft torque in unburning conditions using reference data to correct modeling and manufacturing errors.

A variable geometry turbocharger control method adjusts turbine vane positions to accelerate boost pressure build-up during engine operation.

A vehicle-mounted idling detection system monitors engine operation and provides real-time warnings to drivers based on current geographic location.

A solenoid drive voltage profile generates a magnetic flux function from current and voltage profiles to determine fuel injector opening timing.

Balancing chambers equalize pressure forces across metering plates, reducing actuation force and preventing lock-up during rapid load changes.

Scavenge air-fuel ratio control uses learning values from non-scavenge operations to correct deviations caused by fresh air blow-by during valve overlap.

A knock sensor diagnosis device uses dual threshold logic to detect excessive output signals during engine operation.

Inhibits automatic engine stopping to maintain emissions device temperature below a threshold.

Calculates relative pressure drops per cylinder to adjust injection correction factors, compensating for manufacturing tolerances and coking.

Sensors detect gas accumulation in enclosed fuel systems, triggering inert gas displacement to maintain safe air ratios.

A variable valve mechanism advances intake closing timing during cranking to increase cylinder compression.

Ramping voltage duty cycles during pulsed operation enables accurate pump calibration, resolving steady-state measurement precision issues.

Increasing the air-to-fuel ratio reduces peak combustion temperature, preventing thermal damage to downstream turbochargers and components.

Elevated startup current limits enable rapid camshaft re-phasing to reduce torque requirements while thermal feedback prevents motor overheating.

A control system calculates ionization current integrals to continuously adjust the air-fuel ratio in internal combustion engines.

A fuel control system modulates gaseous fuel flow to maximize natural gas substitution in dual fuel engines.

Oxygen sensors estimate soot mass to eliminate costly pressure sensors and reduce system complexity.

Recovers deceleration energy to purge the prechamber, resolving ignition reliability issues from high EGR dilution.

Minimizing exhaust passage volume reduces uncombusted mixture retention, lowering pollutant discharge during catalyst preheating.

An ASIC control unit employs time-division multiplexing to evaluate multiple sensor types, reducing hardware variants and manufacturing costs.

Controller manages exhaust temperature via resistive grid and engine load to ensure efficient particulate matter oxidation.

Controls engine torque by the gear ratio change factor to prevent shift shocks and stabilize transmission operation.

Combustion chamber pressure sensing compensates for fuel variances and prevents resonance to ensure reliable engine performance.

A re-synchronization module aligns imbalance values with engine cylinders using variance checks and instability indicators.

An engine control apparatus adjusts fuel injection thresholds based on vehicle speed parameters to detect abnormal deviations.

A maintenance management system monitors particulate filter clogging tendency to provide advance driver warnings.

Exhaust temperature sensors estimate per-cylinder air-fuel ratios to adjust post-injection amounts without additional lambda sensors.

Insulating layers reduce eddy current losses while permanent magnets enhance magnetic force for precise position detection.

A diesel exhaust purification system resets integral control terms during regeneration mode transitions.

Segmented combustion zones with varying compression ratios delay ignition past top dead center, reducing trap volume and engine knock.

A multi-fuel engine control system segments cylinders into groups to apply distinct natural gas substitution ratios based on local knock detection.

An engine control apparatus adjusts the starter motor limit time based on crank and cam signal status to ensure reliable ignition.

Dual UHEGO sensors monitor exhaust oxygen levels to regulate deactivated cylinder intake air, reducing backpressure and preventing emissions slip.

Auxiliary-machine controller maintains constant engine speed differential during restart, suppressing vehicle body vibrations caused by rapid acceleration.

A control apparatus manages NOx storage in an NSR catalyst by determining rich spike processing thresholds based on detected temperature.

An engine system uses multiple electric superchargers to compress intake air and optimize valve operations across different operating regions.

A flow regulating valve connects a canister to an intake passage, with a controller adjusting the opening degree based on pressure variations.

A single engine control unit manages automatic and manual choke valve operation based on detected heater connection status.

A controller adjusts throttle valve position to modulate engine braking force in a leisure vehicle.

Controller increases intake pressure before opening the exhaust gas recirculation valve, reducing actuator force requirements.

Detect sensor degradation by analyzing signal patterns against nominal data using an AI program, maintaining emissions performance despite component aging.

A double-walled fuel line assembly uses a pivoting single-walled connector to accommodate misalignment between the injector and cylinder head.

Variable acceleration limits resolve the stability versus responsiveness contradiction in HST work vehicles.

A vehicle idle notification system alerts drivers via mobile terminals when prolonged idling occurs.