Electrical Control TRIZ Cases

Electronic control system adjusts electric dwell time to generate stable fuel injections.

Pilot fuel injection stabilizes main combustion in lean-burn engines, resolving uncontrollable ignition delays and reducing NOx emissions.

A solenoid inlet valve control circuit generates short voltage pulses to decelerate valve closure and minimize mechanical impact.

Dual lambda sensors measure exhaust oxygen to adjust the combustion air ratio, resolving unstable catalytic converter operation and high fuel consumption.

Periodic filter regeneration clears reducing agent crystals and hydrocarbons from the SCR catalyst, maintaining nitrogen oxide treatment efficiency.

Segmenting exhaust flow via a dedicated EGR cylinder and bypass valve accelerates catalyst light-off, reducing cold-start emissions.

A thermal flow meter outer lead features a bent portion to absorb axial stress from temperature differences.

A fuel injection system injects fuel into a cylinder on an expansion stroke to control the engine's stopping position.

A processor-based device calculates characteristic cylinder temperature to determine optimal fuel substitution rates for dual-fuel engines.

Aircraft fuel flow meter validation logic uses combinational circuits to assess signal thresholds and engine speed.

A control method adjusts the intake valve to maintain fuel mixture richness during deceleration in indirect injection engines.

Dual low-pass filters process terminal voltage to isolate noise and calculate inflection timing for precise armature position tracking.

Capacitive measurement systems inject test signals into aircraft heaters to predict degradation, preventing flight delays from impaired sensor visibility.

A hydraulic CVVT controller monitors integrated operating value differences to detect insufficient engine oil.

Segmenting intake throttles resolves interference between fresh air volume and exhaust gas recirculation accuracy, ensuring balanced mixture delivery.

A controller limits engine temperature by adjusting power output based on the rate of temperature change.

A sparkplug assembly with a prechamber volume uses a high-pressure air/fuel source to purge residual gases during the compression stroke.

Current sources and optimized timing resolve short-cycle noise interference for precise fault diagnosis.

Dual catalyst exhaust systems suppress NOx emission during lean operation by storing reducing agents via rich transitions, improving fuel efficiency.

A controller adjusts a differential pressure valve based on mass air flow signals to mitigate LPEGR-induced intake noise without adding hardware.

An evaluation device fuses exhaust gas measurements with onboard diagnostic data to identify internal combustion engine malfunctions.

Dynamic injection management switches between single and multi-shot fuel delivery modes to reduce particulate emissions during cold transient operation.

A high-pressure fuel supply pump control device reduces anchor collision noise by lowering driving current before valve opening.

Upstream and downstream oxygen sensors measure Nernst resistance to determine exhaust gas temperatures.

Diesel exhaust treatment system manages active regeneration via fuel injection control to prevent filter saturation and thermal damage.

A second circuit directs residual charge to a third circuit after power cutoff.

An engine control process measures speed changes to determine required air/fuel ratio adjustments.

A fuel injection control device executes current correction based on sensed driving currents to align injector states.

Dynamic buffer allocation reduces transfer time by allowing larger program data reception in fewer communications.

A fuel injector energization control method adjusts coil parameters to maintain stable injection flow.

A torque-based engine controller actuates air and fuel actuators independently to manage power delivery across different engine architectures.

A coast stop control method manages engine operation in automated vehicles by predicting preceding vehicle behavior to maintain safe intervehicular distance.

Engine control device increases fuel injection after fuel cut to counteract reverse air flow, stabilizing the air-fuel ratio and preventing torque reduction.

A monitoring method measures piezoelectric actuator compensation times to calculate current actuator play parameters for internal combustion engines.

A control device adjusts energization to reduce operating noise in high-pressure pumps.

Optimizing pressure tap passage length prevents acoustic resonance excitation in EGR flow measurement systems.

Flash boiling alters spray cone angle and penetration distance, preventing fuel adhesion to the piston crown while maintaining combustion efficiency.

A dual generator supercharger employs a disengageable clutch and electric motor to adjust impeller speed, reducing fuel consumption by preventing idling.

A method executes monitoring programs across multiple engine controller execution units to compare output signals for fault detection.

Segmented vapor storage devices and a vacuum-actuated check valve enable accurate evaporative emissions testing while preventing undesired exhaust emissions.

A fuel injection device compares injected fuel quantity with generated heat to identify injector abnormalities.

A fuel injector uses one liquid as barrier and working fluid to simplify the needle guide mechanism.

A vehicle safety controller restricts acceleration by monitoring driver pedal input patterns and environmental data to prevent unintended speed increases.

An adaptive fuel injection control system manages gaseous fuel parameters to maintain ignition reliability during filter regeneration or altitude changes.

A hydrocarbon generator converts exhaust hydrocarbons into reducing gases, enabling efficient NOx purification while minimizing CO2 emissions.

Air-fuel ratio control system generates hydrogen via water-gas shift reactions to replace rhodium in three-way catalytic converters.

Closed-loop piston engine injects water post-combustion to regulate exhaust temperature and maintain thermal cycle efficiency.

A pre-chamber injection system moves fuel and air during the expansion stroke to maintain combustion turbulence.

A controller calculates a dynamic speed threshold using steering angle and road grade to enable automatic engine stop.

A control system monitors electrical energy patterns to identify installed fuel injector types and trigger corrective actions.