Electrical Control TRIZ Cases

A dual canister onboard refueling vapor recovery system switches to a spare unit when the primary adsorption capacity declines.

Pre-charging the cylinder with compressed air minimizes reaction time to torque jumps while limiting compressed-air consumption.

A controller adjusts pilot fuel injection pressure thresholds to enable reliable ignition during engine startup.

A control unit reduces engine idle speed below certified minimums to lower fuel consumption.

Dynamic reference electrode adjustment maintains sufficient voltage drop across current sources in broadband lambda probes under varying exhaust conditions.

A programmable controller predicts fuel recovery operations during shift-up maneuvers to manage engine torque and prevent sudden driving shocks.

A vehicle intake air heater coil uses resistance measurement to modulate current flow and maintain target temperature.

A diesel particulate filter calibration method establishes a temperature-independent offset using radio frequency attenuation data.

A powertrain arrangement uses conductivity and temperature sensors in the fuel tank to monitor additized dimethyl ether fuel quality.

Estimates first combustion period length using mathematical expressions and intake valve phase angle data.

A method adjusts air-fuel ratios to combust fuel evaporated from engine oil during operation.

A testing module generates SENT format test signals from analog throttle position inputs to simulate specific fault conditions.

A vacuum actuator moves a segmented governor linkage to reduce idle speed, lowering noise and fuel consumption while preserving pump performance under load.

A control system estimates in-cylinder temperature using Bayes estimation of self-ignition timing derived from pressure signals.

A controller calculates wastegate valve control values using real-time engine conditions and pre-determined maps.

A spring-loaded encoder wheel accommodates limited crankshaft space by using elastic deformation to self-align the magnetic sensor interface.

A fuel injection system calculates required pump discharge to align accumulator pressure with a target value using real-time feedback.

Detecting induction pulses in the decay signal to adjust braking force, reducing inlet valve opening noise while maintaining pump efficiency.

A marine engine control module switches between stoichiometric and lean-burn modes using mapped parameter sets.

Moisture sensors monitor condensate levels in bypass ducts, activating an electric turbocharger to clear accumulation and prevent damage.

Processor-based control apparatus shortens valve overlap period when exhaust gas temperature rises, preventing catalyst damage from unburned fuel afterburn.

A supplemental stage turbocharger assembly provides constant sea-level pressure input to a high-pressure compressor unit.

Thresholding sensor signals to generate abnormal derivative frequency values detects subtle faults that fixed models miss, reducing false negatives.

Dynamic reductant dosing control reduces unnecessary urea consumption and exhaust gas recirculation activity while maintaining NOx emission compliance.

Segmented submethods evaluate control variable plausibility to resolve accuracy trade-offs in sensorless fuel delivery systems across varying operating states.

An outboard motor control apparatus increases fuel supply to the engine when high speed is detected during acceleration.

A latch circuit holds starter motor current to prevent idle speed control valve reinitialization after voltage resets.

An integral-based engine speed controller reduces thermal loading by proactively limiting rotation when accumulated speed exceeds a threshold.

Dynamic engine idle speed adjustment boosts vacuum pump output for diesel vehicles.

Rapid heating strategy for diesel oxidation catalysts adjusts air flow and fuel injection during engine start-up.

Emergency injection correction method monitors misfire rates and switches to single injection mode for precise learning.

Heating intake air via compressor recirculation accelerates catalytic converter light-off and reduces cold start emissions.

A computing unit adapts the accelerator pedal characteristic curve to match desired engine torque during driving.

A hydraulic circuit actuates two intake valves per cylinder to generate controlled tumble and swirl airflow patterns within the combustion chamber.

A fuel pump control system defines a fallback delivery rate to a closed position in anticipation of potential crashes.

A control program prioritizes engine adaptation processes using an adjacency matrix to sequence sensor and actuator adjustments based on system quality.

Deactivating fuel injectors during deceleration maintains turbine speed, reducing turbo lag and preventing exhaust catalyst thermal degradation.

An engine mount control apparatus manages vibration damping during vehicle idle-stop operations.

A dedicated exhaust gas recirculation cylinder decouples from the crankshaft to operate independently as a generator.

A dual camshaft control system adjusts inlet valve timing dynamically using a motor generator and differential mechanism.

A fuel control device detects boost voltage during capacitor off-states to stabilize the supply for accurate injection.

A two-step turbocharger system uses a bypass conduit and compressed gas tank to rapidly spin up the high pressure unit.

A virtual NOx sensor calculates emissions from engine parameters, enabling rapid exhaust gas recirculation adjustments that overcome real sensor signal lag.

A fuel governor adjusts injection amounts to maintain target combustion phasing in HCCI engines.

A method captures engine RPM thresholds at low unloaded speeds using existing tachometer data.

Electronic controller switches fuel injection modes based on measured main-fuel pressure to maintain combustion stability.

Hybrid engine controller stabilizes SCR catalyst temperature between 200°C and 400°C using generator and heater signals to maintain catalytic efficiency.

Integrated circuit package with tapered protrusion minimizes fluid resistance and heat transfer to improve measurement reliability.

A diesel consumption model calculates optimal fuel usage by analyzing operational parameters in dual-fuel engines.