A direct injection engine control device adjusts fuel injection parameters based on piston position during restart requests.
Monitoring residual oxygen content during fuel-to-air ratio changes identifies defective exhaust gas flaps without relying on position feedback.
Electronic control circuit regulates maximum excitation current using a preprogrammed limitation curve based on temperature and rotation speed.
An auxiliary starting system injects dimethyl ether into a gas engine intake to ensure reliable ignition.
A control device adjusts fuel injection pressure to regulate the in-fuel-spray air excess ratio.
A particle sensor system determines remaining operating time to maintain measurement accuracy.
A hybrid vehicle control device adjusts electric motor assist amounts to match user acceleration preferences.
Pilot fuel injection disperses within the combustion chamber to enable controlled cool flame combustion.
Segmenting fuel quantity ranges allows dynamic threshold adjustment, preventing erroneous failure diagnoses in dead zones where sensor output changes minimally.
Increases reductant dosage during filter regeneration to maintain NOx conversion efficiency despite high exhaust temperatures.
Continuous hydrocarbon sensing in the purge line enables real-time fuel quantity adjustment and optimized fuel vapor filter regeneration.
Delayed spark retardation allows unburnt fuel to reach other cylinders, reducing engine knock while maintaining combustion efficiency.
A sensor control device uses preliminary constant current to stabilize oxygen levels in gas sensors.
Lowering the compression ratio increases exhaust temperature for particulate filter regeneration without spark retard, reducing noise and vibration.
A fuel injection control device adjusts the lower limit of cylinder fuel supply based on simulated exhaust valve seat temperature.
A speed density method calculates cylinder air mass using volumetric efficiency and manifold absolute pressure data.
A compression ratio fixing control maintains a low mechanical compression ratio and stratified combustion mode during engine idling.
An inverse fuel dynamics model compensates for lost fuel, reducing calibration effort and catalyst loadings.
A continuously variable valve lift system adjusts inlet valve actuation to match required air charge volumes for precise engine torque delivery.
A controller adjusts fuel injection and purge control based on intake air amount regions to manage evaporated fuel gas distribution.
Adaptive throttle control minimizes induction noise by trapping pressure waves within the intake manifold, improving acoustic comfort at low engine speeds.
A solenoid fuel injector adapts opening behavior by comparing current time profiles against reference data to adjust mechanical parameters.
Adjusting exhaust gas recirculation schedules to maintain spark plug tip temperatures for soot cleaning.
A dynamic target high pressure filter adjusts its time constant based on engine operating conditions to optimize signal processing.
Normalized turbine power calculations reduce ECU modeling complexity while maintaining control accuracy during transient operations.
A fuel injection controller adjusts injection timing using in-cylinder pressure data to align with designed median values.
Dynamic intake valve control eliminates waste-gate intervention, reducing fuel consumption while maintaining stoichiometric combustion ratios.
A diesel engine controller adjusts pilot and main injection parameters based on real-time combustion state detection.
A control unit adapts fuel injection quantities using separate values for intake manifold and direct injection modes.
An intake oxygen sensor measures air concentration while an electronic control unit sweeps pressure to store accurate values.
Switching to intake pressure-based models during startup prevents excessive fuel injection and emission deterioration.
Adjusting second fuel injection quantity and timing controls combustion chamber temperature and pressure within a diesel-type dual fuel engine.
An engine controller modifies fuel delivery and timing based on sensed ambient temperature, resolving efficiency losses caused by diurnal thermal variations.
A sensor element uses a porous protective layer extending into the gas inlet to secure mechanical adhesion.
A fuel injection control device detects solenoid residual voltage to adjust valve-open periods for precise timing.
An acceleration sensor measures combustion noise amplitude to detect pre-ignitions in internal combustion engines.
A de-rate control system adjusts engine load to prevent stalling during low fuel pressure events.
A combustion prediction method calculates cylinder temperature zones to determine start and end timings.
Dynamic thruster selection algorithms adapt to uncertainties and failures, reducing propellant consumption while extending mission life.
Controller prevents engine stop during active evaporative emissions testing to maintain vacuum pressure for accurate diagnostic completion.
La2Ge1-xMxMgO6-0.5x perovskite conductors achieve high conductivity above 300°C, solving the trade-off between ion mobility and operating temperature.
A control device adjusts fuel injection rate based on estimated internal exhaust gas recirculation to maintain linearity between injection period and amount.
A variable valve timing controller restricts motor drive current to protect switching elements from overheating.
A control apparatus extracts specific frequency components to detect air-fuel ratio system failures using operational state variation calculations.
Thermal desorption initializes ammonia adsorption on the SCR catalyst, eliminating accumulated estimation errors in NOx purification control.
Trained models determine valve operating characteristics from engine sensor data, replacing mechanical adjustments with electronic control.
Engine controller detects EGR hose disconnections via knock intensity and fuel corrections, reducing emissions and engine knock.
A fuel injector control system applies a pull-in current to close the spill valve and detects the closure timing using electrical parameters.