Electrical Control TRIZ Cases

Adjusting intake valve closure timing controls equivalence ratio in gaseous fuelled engines.

A volume-based pump-synchronous control method discretizes pressure deviations per crankshaft revolution to adjust high-pressure pump actuators.

Enriching a pre-combustion chamber with gaseous fuel and igniting it with liquid fuel creates a flame front that reduces nitrogen oxide emissions.

Vaporized water displaces oxygen in the catalyst before combustion, preventing oxidation saturation that degrades NOx conversion efficiency.

A particulate matter sensor uses a particle size correction coefficient to adjust output values for accurate filter failure detection.

Frequency analysis of crankcase pressure signals distinguishes degradation types and pinpoints affected cylinders, reducing maintenance delays.

A control unit closes the exhaust circulation valve when the intake circulation valve opens to prevent excessive gas mixing.

An electrified air system supplies compressed air to a central tire inflation setup via selective fluid communication with an engine cylinder.

Computing turbine inlet pressure via an air model avoids efficiency drops during acceleration by coordinating pressure rise with intake manifold dynamics.

A model generating device estimates steady-state operation data using prediction equations and machine learning.

A control unit adjusts engine speed based on vehicle velocity to stabilize creeping during non-traveling states.

Adjusts engine actuators to purge condensate from the charge air cooler, reducing combustion instability during exhaust gas recirculation flow.

Motor torque compensation stabilizes driveline oscillations caused by engine air-fuel ratio modulation, improving vehicle drivability and component lifespan.

A controller adapts fuel injector pulse width using closing electrical decay signals.

A stroke determination unit recognizes combined intake pressure waveforms within specified crankshaft phases to identify cylinder positions.

Engine controller calculates intake air pulsation using average and minimum flow rates to switch calculation methods.

Segmenting the EGR system into two independent flowpaths allows dynamic temperature control of the aftertreatment device without increasing fuel consumption.

A variable geometry supercharger control system restricts hydraulic pump absorbing torque to lower device temperature.

A turbocharger turbine cleaning method uses water mist injection during inertial rotation to detach carbon deposits from hot surfaces.

Parallel first and second spill valves separate pressurization start from spill end to resolve control precision versus complexity trade-offs.

A dynamic estimation method computes fresh air flow rate using temperature, pressure, and mass gas data for diesel engines.

A control unit modifies engine stop and restart conditions using gradient sensors to manage vehicle powertrain operations.

A close-coupled SCR catalyst positioned upstream receives raw exhaust gases directly from the combustion chamber to enable immediate chemical treatment.

An air flow rate adjusting apparatus estimates output values using measured gap dimensions and tilt angles between the sensor chip and support plate.

Electronic control unit manages fuel injection and ignition timing to guide crankshaft rotation.

Supercharged watercraft engine maintains lean air/fuel ratio via controller feedback to boost output power and fuel efficiency without exhaust catalysts.

A diesel particulate filter regeneration system uses brake pedal depression to initiate and maintain the cleaning process while the vehicle is parked.

An expansion machine in the intake bypass line extracts energy from compressed charge air to generate additional power output.

A selective catalytic reduction system uses a tank heater valve to defrost urea solution.

Dynamic cylinder deactivation and load limiting maintain safe cylinder head temperatures while preserving vehicle operability during coolant loss events.

Ultrasonic atomizers inject sub-5-micron droplets that vaporize during compression, reducing entropy and NOx while enabling higher power density.

Dynamic fuel flow control maintains stable accumulator pressure during measurement cycles, preventing undesirable drops that compromise injection performance.

An engine start control apparatus stabilizes idling speed using intake throttle and fuel injection management.

A vehicle control device synchronizes engine starting with shift switching operations to prevent simultaneous execution.

A detection apparatus calculates normalized index values to identify inter-cylinder air/fuel ratio variations among fuel injection valves.

An on-board separator extracts ethanol from mixed fuel blends, enabling selective injection that reduces engine knock while maintaining charge cooling effects.

A control apparatus detects throttle opening and engine speed to manage driving force during shift lever manipulation.

Oxygen sensors monitor exhaust composition to adjust an EGR valve, releasing adsorbed hydrocarbons at optimal temperatures for complete catalyst conversion.

An engine starter control module disengages the motor when the clutch pedal releases during cranking.

A controller calculates cylinder internal pressure using crank angle acceleration and torsional vibration torque.

A current cutoff mechanism de-energizes injector drivers via a dedicated control signal line.

A primary control module uses model-based predictive control to determine setpoint specifications for secondary modules.

An active expansion chamber accumulator adjusts its volume via a motor-driven plunger to regulate fuel delivery system pressure.

Dynamic switching between heating and basic settings reduces fuel consumption while maintaining effective exhaust gas treatment.

A controller recirculates exhaust gas through the intake during coasting to eliminate piston drag against static air, reducing fuel consumption.

Segmenting exhaust flow via a bypass valve resolves the trade-off between high boost pressure and insufficient EGR drive pressure.

A mixed-fuel control circuit uses a dummy load to balance electrical resistance in parallel sub-circuits.

Pre-stored injector-individual correction values compensate for manufacturing tolerances and aging effects without real-time computational overhead.

A computing unit processes sensor signals to exclude irrelevant markings and determine the motor shaft rotation angle.

Mathematical modeling estimates exhaust gas temperatures and pressure to adjust engine parameters, reducing production costs from sensor arrays.