A control device correlates acceleration and deceleration jerk characteristics to enhance driver feel.
A compressor bypass system directs compressed air to a second turbine driven by exhaust flow.
A NOx sensor inspection program executes high-temperature and high-flow-rate exhaust driving to neutralize residual reductant effects on the catalyst.
A diagnostic method monitors fuel tank pressure transducer accuracy by loading a canister with fuel vapors and applying vacuum to the evaporative emissions system.
A vehicle engine control system classifies driving modes using catalyst temperature, operation period, and time to optimize fuel injection and exhaust gas recirculation.
Adapts signal processing logic to distinct intake modes for accurate air flow measurement.
An inductive coil heats the fuel injector nozzle to autoignition temperature, enabling sparkless compression combustion without mechanical ignition systems.
A control valve coil temperature controller manages actuator heat through pulsed current delivery.
Electronic control unit calculates a correlation index between measured and reference combustion mass ratio data to filter sensor noise.
Aircraft performance monitoring system calculates real-time fuel mileage using sensor data and mass calculations.
Variable valve drive optimizes intake and exhaust timing to minimize drag torque, preventing oxygen enrichment and emissions during engine overrun phases.
Dynamic shielding blocks unauthorized access while allowing legitimate users to operate vehicle systems via authenticated triggers.
A prohibition counter tracks idling stop failures to enable rapid diagnostic analysis.
Segmented needle valves enable HCCI and conventional modes, reducing emissions without increasing system complexity.
A diagnostic device sets a variable mask period for fuel injection failure diagnosis based on corrected injection amounts.
Correlates fuel tank pressure with evaporative leak check module signals to verify sensor accuracy without adding dedicated hardware.
A warm-up control apparatus calculates fuel injection amounts using spark plug seat temperature changes for precise engine management.
A fuel vapor treatment apparatus manages valve operations to purge vapors during non-turbocharging and relieve pressure during turbocharging.
A turbocharger system injects pressurized gas from a storage tank to drive the turbine and maintain engine operation.
A control apparatus calculates throttle valve clogging using averaged sample points and least-squares coefficients.
A disconnect clutch decouples the engine from the driveline to enable independent cooling cycles for hybrid powertrains.
Remote service mode allows unaided individuals to perform complex repairs by commanding brake presses and throttle adjustments through a mobile application.
A high-pressure sensor monitors accumulator pressure to trigger protective alarms.
A boost capacitor discharge circuit operates during shutdown to measure voltage decay for component health checks.
A control system adjusts an exhaust gas recirculation valve position using a modified desired mass flow rate to match transient engine demands.
A transfer circuit switches engine control signals between redundant controllers using an arbiter circuit for rapid authority handover.
An apparatus control system updates a motor calculation model using an estimation unit to maintain optimal driving conditions.
A thermally conductive fluid barrier layer on the PCB allows engine coolant to reduce operating temperature without active systems.
An electrically controlled crankcase ventilation valve adjusts flow rates using electromagnetic actuation to optimize engine breathing.
A fuel injection detecting device computes maximum-fuel-injection-rate-reach and fuel-injection-rate-decrease-start timings using modeled pressure waveforms.
Dynamic valve timing and lift strategies expand the HCCI operating range while maintaining combustion stability across varying engine temperatures.
A particulate filter control system adjusts soot accumulation measurements using ambient humidity and temperature correction factors.
An air reservoir supplies compressed air during sudden load increases to prevent lean misfiring while maintaining combustion stability.
Supercharger heating and fuel injection enable reliable diesel engine cold starting without glow plugs.
A fuel supply control apparatus stabilizes pressure in the supply pipe by driving a fuel pump to open a relief valve until termination conditions are met.
A fuel injection control device measures solenoid voltage to correct injection amounts and detect drive IC abnormalities.
Segmenting combustion into a pre-chamber overcomes poor ignition on expansion strokes, generating sufficient torque for direct engine starting.
Air fuel ratio dither control stabilizes exhaust gas flow across a three-way catalyst cross section by assigning rich operation to the cylinder with the lowest flow speed uniformity.
Dual bypass valve regulation corrects compressor operating points to eliminate pumping losses and maintain stability across varying ambient conditions.
A method updates the exhaust pressure law using UEGO sensor current differences and gas flow rate data for accurate engine control.
Switching to homogeneous charge compression ignition minimizes knocking and noise while maintaining quick torque delivery.
A method detects passive pressure limiting valve opening by comparing rail pressure against a second limit value and monitoring negative pressure gradients.
Auto-igniting a pilot gas quantity in a pre-chamber eliminates diesel requirements, enabling pure methane operation and reducing system complexity.
A control system manages urea injection into an exhaust line based on measured gas temperature to maintain catalyst activity.
A thermal model estimates exhaust manifold gas temperature from cooler outlet signals to command EGR valve closure.
A vehicle control method detects power train oscillations by analyzing prime mover rotation speed cyclic variation to modify torque requests.
An electric supercharger shares boost load with a turbocharger to prevent over-speed conditions while maintaining required engine torque delivery.
Dynamic model set adjustment mitigates emissions threshold violations by underweighting faulty components.
A fuel-pressure controller adjusts low-pressure pump voltage to match target pressure without generating vapor.
A solenoid valve uses a spring element to couple mechanical motion with a magnetic circuit for precise closing time detection.