Electrical Control TRIZ Cases

Electronic control unit calculates combustion speed from in-cylinder pressure to differentiate water contamination from alcohol presence.

An adjustable engine speed control drives an oleo-dynamic pump, reducing fuel consumption and noise during non-actuation intervals.

A pump life prediction system calculates remaining operational duration by monitoring flow, speed, and rail pressure to determine cumulative cavitation damage.

Dynamic fueling adjustments balance EGR quality against fuel consumption by switching combustion modes based on engine load and speed.

A verification method for diesel particulate filter differential pressure uses extrapolated correction values to detect sensor freezing.

A particulate trapping filter adsorbs hydrocarbons during low-temperature operation and releases them to reduce emissions.

A thermal flowmeter sub-passage uses a pressure loss generation means to guide water droplets toward a discharge outlet.

A boosting control unit dynamically adjusts dead time based on real-time switch state detection to manage synchronous rectification.

Splitting injection into non-linear and linear pulses compensates for ballistic range errors and nozzle deposits.

A controller adjusts fuel injector pulse width based on preceding pulse dwell time to maintain precise mass delivery.

Dynamic speed modulation prevents compressor surge and reduces NVH, expanding the engine operational range beyond static limits.

Water sensors detect propeller immersion to prevent accidental rotation and overheating when the drive unit is not submerged.

A vehicle control device inhibits fuel cut based on predicted lockup clutch release timing to manage engine operation.

A vehicle exhaust purification system uses palladium and rhodium catalysts to manage unburned fuel concentration.

A hot-film air-mass sensor uses an additional carrier heater to uniformly heat the chip and displace oil droplets.

A control device calculates injection timing and amount to prevent spark plug wetting in direct injection engines.

A control system sets minimum engine speed to maintain exhaust gas mass flow during regeneration.

A marine propulsion controller executes segmented misfire strategies to manage engine rotational speed during over-revving events.

Dynamic pulse frequency adjustment minimizes magnetostriction noise at low flow while reducing switching losses at high demand.

A controller adjusts low pressure EGR valve duty using intake and exhaust sensor data to manage recirculation rates in turbocharged diesel engines.

A high-pressure fuel pump delivers variable pressure to direct injectors and fixed pressure to port injectors using mechanical spill valves.

A fuel injection controller learns optimum pilot injection quantity by varying the amount based on detected ignition timing.

A diagnostic method localizes faults in fuel injection systems by comparing generated test features against predetermined combinations.

Dynamic exhaust gas recirculation adjusts flow rates based on fuel mixture composition to maintain engine efficiency.

A vehicle control system disables fuel economy mode to preserve battery state-of-charge.

Methane-oxidizing microorganisms convert toxic volatile organic compounds into metabolizable carbon sources for polyhydroxyalkanoate synthesis.

A charge motion control valve adjusts engine burn rate to balance performance and knock prevention.

A fuel injection control device adjusts correction reflection speed based on detected sudden changes in injection characteristics.

Controller manages exhaust gas recirculation flow to maintain combustion stability during engine load transitions, preventing excessive gas accumulation.

A purge control system adjusts evaporated fuel supply flow rates to an engine intake passage based on estimated catalyst temperature.

A fuel injector system detects spill valve movement by timing solenoid de-energization to prevent premature control valve return.

Selective cylinder deactivation supplies oxygen-rich exhaust to the gasoline particulate filter, enabling efficient regeneration without separate air devices.

Modal decomposition reconstructs overall cylinder pressure from local sensor signals, eliminating position-dependent inaccuracies in knock detection.

Independent solenoid valves meter fuel and water to reduce wall heat losses and improve combustion efficiency.

A fuel injection control system adjusts injector ratios to maintain combustion chamber fuel supply during engine operation.

A control apparatus adjusts fuel injection ratios between in-cylinder and intake manifold injectors to optimize combustion efficiency.

A catalyst diagnosis device calculates oxygen storage and purge capacities based on elapsed time to assess deterioration.

Clutch commands control crankshaft speed to position the engine for immediate restart, eliminating cam-crank resynchronization delays.

Segmented hydrogen injectors and a two-step camshaft resolve the trade-off between reduced CO2 emissions and slower combustion speed in heavy-duty engines.

Variable valve timing actuator adjusts torque via dynamic command limits to suppress heat and mechanical damage.

A variable compression ratio mechanism reduces piston rising speed near upper dead center, suppressing smoke generation during extended fuel injection periods.

Segmented hydrogen injection improves power density by optimizing mixture formation while reducing displacement effects and emissions.

A control device sets dead zones and variable gains for electronic throttles to manage intake air amounts independently.

A Coriolis flow meter measures fluid density and drive gain to identify multiphase conditions in gaseous fuel lines.

A flywheel assembly uses a separate shaft and clutch to transfer rotational energy for rapid turbocharger speed adjustments.

Heated fuel rail vaporizes gasoline before injection, reducing particulate matter emissions during cold starts.

A model predictive control system optimizes diesel engine air handling by calculating real-time actuator positions for EGR valves and turbochargers.

A carbon monoxide monitoring system automatically shuts down an internal combustion engine when location data indicates an enclosed space.