Electrical Control TRIZ Cases

A control system adjusts the tumble flow vortex center position to optimize gas velocity around the ignition plug.

Segmenting the exhaust manifold allows independent control of EGR and turbine flow, reducing compressor temperature and preventing residual gas trapping.

A hydrocarbon adsorbent paired with a diesel oxidation catalyst manages exhaust gas composition for engine emission systems.

A multi-lift valvetrain system manages exhaust gas exchange during cylinder deactivation transitions.

A fuel injection control system adjusts high pressure pump duty cycles using integral term feedback to manage feed pressure.

Segmenting the ignition and bias capacitors maintains detection accuracy despite smolder leaks in internal combustion engines.

A monitoring system calculates a filter resistance coefficient using differential pressure and exhaust flow data to detect air filter clogging.

Intake manifold actuator control maintains constant pressure during brake booster vacuum replenishment, reducing engine air disturbances and emissions.

Direct injection of a high latent heat fuel reduces exhaust gas temperature, protecting catalyst materials from thermal degradation under high load conditions.

A drive control system calibrates the upstream lambda sensor using downstream signals to correct offset errors.

A partitioned intake manifold directs air through distinct chambers to concentrate flow at the lower intake port.

A wastegate valve control device adjusts opening based on throttle upstream pressure to maintain desired states.

A desulfurization method triggers sulfur removal based on diesel particulate filter regeneration cycles to simplify control logic.

A method estimates soot filter loading using exhaust gas mass flow and pressure drop characteristic curves for reliable real-time monitoring.

Injecting heated air into exhaust runners reacts with unburnt hydrocarbons to accelerate catalyst light-off temperature.

A variable intake valve actuation system decouples valves from the camshaft to minimize pumping losses during mild-hybrid e-motoring.

Dynamic lambda control based on catalyst light-off temperatures minimizes tailpipe emissions during cold starts.

Keeping the discharging switch on between cycles stabilizes piezoelectric voltage, reducing expansion time variations for precise fuel injection.

Segmenting the sensor chamber via a gas-permeable element eliminates volumetric flow dependence, enabling precise hydrocarbon concentration determination.

A dual fuel engine method manages hydrogen introduction during cold starts to prevent combustion quenching and stalling.

A marine engine control module adjusts combustion parameters using mapped values and feedback controllers to manage fuel-air equivalence ratios.

Applying pulses to the lift pump distinguishes between sensor faults and component wear, resolving ambiguity in fuel rail pressure readings.

A control system adjusts engine speed and transmission output by comparing current operating patterns against predefined reference profiles.

Segmenting torque control into steady-state and transient modes with distinct time constants prevents fuel efficiency deterioration.

A controller adjusts fuel injection using oxygen sensor output coefficients to determine cylinder air-fuel ratios.

A fuel injection control unit corrects energization time based on detected physical quantities to manage partial lift injection operations.

Control means generates solenoid current via inductance charging to eliminate bulky voltage step-up circuits.

An intake air control valve adjusts its basic opening to manage airflow during cylinder transitions.

A non-linear Kalman filter estimates engine torque using crank angle speed to reduce noise.

A vehicle drive force controller adjusts throttle opening and ignition timing to reduce engine output.

Injecting ammonia into the exhaust port and EGR passage improves ignitability of high heat of vaporization fuels while reducing emissions.

Dynamically adjusts stepping motor drive frequency based on engine speed and valve position to prevent sympathetic vibration and step-out.

A controller calculates upstream and downstream exhaust gas temperature changes during fuel cutoff to detect a detached purification device.

Calibrates vehicle sensors using external IoT weather device data with confidence levels, improving sensor accuracy and engine performance.

A system generates a pedal position sensor profile by correlating physical positions with output signals to enable precise vehicle speed regulation.

A multi-duct exhaust gas cooler uses a closing member to route flow through additional channels, boosting total cooling power.

A vehicle fuel injection system modulates fuel delivery based on predicted kinetic energy levels to optimize engine operation.

Control unit lowers engine rotational speed by suppressing ignition to weaken dog clutch meshing force and improve shift actuator durability.

A power train system separates exhaust gas components to recirculate specific gases into the combustion chamber.

A temperature-based control method adjusts EGR valve timing to prevent lacquering in supercharged diesel engines.

A dual path dual purging system uses a low flow pilot valve to actuate a high flow main valve.

Coordinated air and fuel injection prevents hydrocarbon emissions from fuel adhering to cold partition walls, ensuring stable combustion during engine warm-up.

A fuel delivery device adjusts feed pump flow to maintain hydraulic line temperature.

A fuel vapor processing apparatus detects valve opening start positions by measuring tank inner pressure changes and storing learned movement distances.

Wet-alcohol fuel injection in HCCI engines extends cylinder pressure duration, boosting brake mean effective pressure while reducing harmful emissions.

A direct-injection engine control device manages fuel injection timing to switch between homogeneous and stratified combustion modes.

PI controller constrains target engine speed upper limit to resolve contradiction between rapid acceleration and vehicle stability.

Segmented exhaust gas recirculation creates stratified temperature zones in HCCI combustion chambers, lowering peak temperatures and reducing NOx emissions.

A pre-chamber igniter heats injected fuel to amplify ignition energy before main combustion.

An exhaust-driven boost device compresses ambient air using cylinder bank waste energy, reducing emissions and system complexity compared to secondary engines.