Electrical Control TRIZ Cases

Adjusting direct injector pulse-widths avoids high variability transition regions, improving engine drivability and reducing emissions.

Controller boosts ammonia injection during engine shutdown to overcome insufficient cold-start conversion caused by sudden stoppages.

Microprocessor-controlled variable speed motor adjusts pump output using current and voltage measurements to maintain stable fluid delivery.

Replacing indirect thermal measurements with direct hydrocarbon concentration detection eliminates exhaust flow errors and improves diagnosis accuracy.

A variable intake valve train actuated by a single cam piece controls air-fuel mixing in internal combustion engines.

Decouples the internal combustion engine during electric driving to calibrate sensors without trailing throttle, improving energetic efficiency.

A hybrid engine control system activates cylinders to pump air before firing, reducing intake manifold pressure during mode transitions.

A control system corrects intake air values based on injection ratio trends to maintain accurate measurements.

Control apparatus corrects ignition timing in rich and lean cylinders to suppress torque fluctuations that deteriorate drivability and fuel economy.

Parallel canisters with a balance valve reduce back pressure during heavy duty refueling by distributing vapor load evenly.

Statistical analysis of pre- and post-injection pressure differentials compensates for valve variations, ensuring accurate fuel distribution across cylinders.

A remote engine diagnostic system transmits data during cranking to identify faults.

Early HCCI combustion timing raises exhaust gas temperature, enabling aftertreatment device regeneration without reducing engine efficiency or charge flow.

A vehicle control unit reduces engine speed set-points to manage wheel slippage while maintaining operational stability.

Segmenting spring and solenoid forces maintains suction valve responsiveness despite increased pump pressure.

Coordinated throttle and ignition timing adjustments manage engine torque during driver tip-in events.

A diesel exhaust filter control system calculates hypothetical bed temperature using a first-order delay model and dynamic heat radiation coefficients.

A control device measures vehicle standing time to manage engine stop operations.

A diagnostic method determines the mass of reducing agents consumed during a rich regeneration step to assess nitrogen oxide trap condition.

Electromagnetic actuators replace mechanical camshafts to eliminate fixed timing constraints and reduce engine complexity.

Control unit calculates system pressure from motor speed and operating current to prevent overpressure damage in vehicle fuel delivery systems.

Calibrating engine auto-stop delay time against battery state of charge prevents premature shutdowns while maintaining restart reliability.

An engine control device calculates a continuous NOx reference value to adjust SCR catalyst injection.

Upstream reductant injection generates exothermic heat to increase turbine speed and reduce turbo lag in boosted engine conditions.

A controller opens air bypass valves based on throttle passage decrease speed to manage intake airflow dynamics.

A nitrogen oxide sensor detects gas concentration in the intake tract to evaluate crankcase ventilation line tightness.

A controller connects to an OBD-II port to access engine data for fuel level monitoring, avoiding tedious wire tapping into sending units during installation.

A variable flap air intake structure adjusts cross-sectional area to induce tumble flow for improved fuel-air mixing.

Electronic latch enables injector identification via drive wires, eliminating manual configuration errors.

A fuel supply control device compresses fluid to bias a mechanical plunger against a rotating camshaft component.

A detection chamber surrounds a valve in a fuel tank vent line to monitor pressure via an integrated sensor.

A control device adjusts hydrocarbon metering in an exhaust gas aftertreatment apparatus based on oxidation converter temperature.

Automatically raises engine idle speed upon detecting clutch depression and parking brake release, preventing stalling during heavy-load uphill launches.

Segmented valve system with shared actuator resolves complexity versus flow control trade-off.

Increasing rail pressure prevents vapor space formation and fuel distillation in the injector tip during high-temperature operation.

An exhaust treatment system adds alkaline substances to neutralize acidic condensate, preventing corrosion while cooling gas below dew point for NOx reduction.

Adjusting variable valve gear timing based on road properties reduces fuel consumption and improves exhaust gas aftertreatment efficiency.

A method learns the intake oxygen sensor zero point during non-fueling conditions to adjust exhaust gas recirculation flow.

A vapor return system draws fuel vapor through a bypass conduit to condense it in a reservoir.

Introducing a reducing agent into the charge air before combustion enriches exhaust gas with hydrocarbons for downstream catalytic conversion.

A driveline control system manages vehicle coasting to maintain exhaust temperature within optimal ranges.

Controller initiates fuel enrichment after detecting fuel shut-off events to manage exhaust gas flow through the catalytic converter.

A vehicle start-stop system estimates electronic power module temperatures using computational models to prevent overheating.

Dual pulse width control compensates for ballistic region non-linearities in direct fuel injectors, reducing air-fuel errors and torque imbalance.

Sensing the current intensity profile allows determining the movement profile to reduce noise and mechanical wear during actuation.

Segmenting the cooler volume prevents compressor surge without opening recirculation valves, maintaining engine output.

A fuel injection valve performs pre, middle, and main injections to cancel pressure waves.

A lower oxygen combustion strategy reduces exothermic reaction rates to control after-treatment temperatures.

Electromagnetic soft actuators replace bulky pneumatic systems with compact coil designs to enable portable wearable assistance.