Electrical Control TRIZ Cases

A nitrogen oxide trap purge method adjusts engine mixture richness to reduce stored pollutants.

A regeneration control unit switches operation priority based on soot accumulation to manage engine load during exhaust purification.

Dynamic pump curve shifting prevents compressor surge near the pump line while enhancing acceleration performance.

Asymmetric water injection rates bridge exhaust gas recirculation mixing delays to maintain combustion stability.

A control apparatus measures drive current to calculate a difference value against a reference profile for precise fuel injection.

Segmented turbochargers with bypass ducts overcome rotor inertia delays, enabling rapid boost response across varying engine loads.

An engine control device determines complete combustion to calculate integrated intake air amount for setting target equivalent ratios.

A fuel delivery control method determines system pressure by calculating the volume difference between pump output and engine consumption.

A fuel injection control device detects pressure waveform variations to correct injection timing signals.

A variable displacement fuel pump rotates its barrel via a hydraulic actuator to minimize excess fuel recirculation and reduce energy wastage.

A low-pressure EGR control method uses oxygen sensors and compensation factors to determine mass flow rates.

Exhaust back-pressure control elevates gas temperature to combust trapped soot in diesel particulate filters without adding complex external heating systems.

Monitoring device calculates injection amounts using dynamic start-up parameters, preventing erroneous abnormality determinations during engine operation.

Drive processing circuit delays detection section activation until engine temperature rises, preventing water droplet induced insulation resistance failure.

A controlling apparatus calculates an auto-ignition index using cylinder temperature and pressure data to predict engine combustion events.

A pump-accumulator injector combines a plunger pumping portion with an internal accumulator to deliver high-pressure fuel injection.

A control system reduces engine torque during vehicle start-up to limit clutch frictional work.

A controller measures solenoid coil current pulses to determine armature pull-in and drop-off times based on inductance growth.

Electronic control unit adjusts individual throttle valve openings to equalize intake air amounts across engine cylinders.

A pressurizing unit compresses liquid fuel using liquefied gas pressure to ensure smooth engine supply.

A marine engine control unit selects fuel-specific operating parameters to enable multi-fuel operation without hardware changes.

A control method selects optimal engine modes by prioritizing variable capacity states and applying boost pressure constraints.

A diagnostic method compares intake manifold and air filter temperatures to detect sensor failure.

Variable injection into cylinder tube arrays recovers waste heat, improving fuel economy despite control complexity.

Refueling vapor loading enables exhaust gas sensor diagnostics for a bleed canister, detecting degradation that causes undetected hydrocarbon emissions.

A diesel exhaust purification system adjusts NOx purge intervals based on catalyst temperature and occlusion levels.

A temperature estimation module calculates virtual and actual exhaust purifier temperatures using engine operation points.

Unfired cylinders pump secondary air into the exhaust system to accelerate catalyst heating and reduce hydrocarbon emissions during cold start.

A Luenberger observer stabilizes air mass flow measurements by combining sensor data with outflow models, resolving instability under transient conditions.

Opposing second coil field counteracts first coil magnetism, reducing armature release time and improving switching speed.

A one-way valve and parallel intake branch isolate the auxiliary air compressor, preventing compressed air from driving its impeller to reduce design costs.

A controller estimates engine power output using augmentation and performance models.

Water injection control adjusts cylinder water volume based on knocking occurrence ratio measurements.

A control system determines cylinder activation states using in-cylinder pressure values to manage engine load.

Heating a fuel fraction to over 100°C before injection into a cylinder.

A diagnostic circuit measures voltage across a PN junction to verify energy discharge in fluid injector drive coils.

Filtering the direct injection fraction compensates for fuel puddle formation and dispersal, maintaining accurate air-fuel ratio control.

A controller sets a target equivalence ratio that increases with the air excess ratio to promote oxygen release from the catalyst.

Reverse turbocharger rotation routes ambient air through the particulate filter to remove soot.

A diesel engine PM emission estimation device applies transient correction factors to base maps for accurate output.

A determination unit verifies flow meter readings against the valve model to correct learning accuracy despite manufacturing tolerances.

A diagnosis device estimates particulate matter amounts using engine conditions, pressure difference, and sensor outputs to identify component faults.

A control apparatus uses a knock sensor to detect knocking tendency and switch injection modes, resolving detection accuracy issues under varying conditions.

A current control device samples fan motor operating currents and compares them against threshold signals to generate protective motor signals.

Monitoring resonant circuit impedance prevents voltage breakthrough, maintaining stable corona discharge to improve combustion efficiency.

Adjusting scroll valve position manages exhaust flow distribution in binary flow turbines.

A solenoid valve controller uses pre-energization to accelerate magnetic field buildup and reduce current rise time lag.

Controller monitors urea deposits and ambient conditions to trigger controlled heating cycles, reducing NH3 slip during desoot regeneration.

A remote control apparatus uses a rotary encoder and processor to generate proportional signals for adjusting vehicle engine speed from a distant location.

A water injector control method manages fluid supply to an engine combustion chamber.