Electrical Control TRIZ Cases

A control device predicts engine stalls by analyzing rotational speed gradients before clutch engagement to initiate torque demand increases.

Air sensors feed manifold data to the ECU, which actuates injectors to maintain optimal air-to-fuel ratio for efficient combustion.

A supercharger control apparatus calculates dynamic feedback targets to manage boost pressure.

A control system manages compressed natural gas fuel switching by executing property learning before permitting changes.

A fuel injection control device estimates valve lift quantity by calculating drive coil inductance after the pulse turns off.

Software prioritizes de-SOx over de-NOx regeneration cycles to restore storage capacity lost to sulfur adsorption.

A solenoid spill valve energized for a minimum angular duration maintains pump lubrication and improves fuel metering precision at low discharge rates.

A control device calculates ideal in-cylinder gas parameters using speed-density methods for mixed gas amounts and temperatures.

The controller detects seat occupancy to trade off NVH constraints for fuel economy by dynamically adjusting cylinder deactivation and torque converter lock-up states.

Electronic control unit determines precise opening time by analyzing voltage and current dynamics, resolving low precision in small quantity fuel injection.

Switching engine modes generates high exhaust temperatures and nitrogen dioxide, resolving temperature dependencies that limit passive regeneration rates.

A fuel injection system allocates air-fuel ratio errors to separate port and direct injectors.

Variable time constant filtering distinguishes transient fuel dilution from sustained degradation, preventing unnecessary controller actions that waste fuel.

Adjusts cylinder air charge estimates using firing patterns from adjacent cylinders, resolving complexity trade-offs in variable displacement engines.

An accumulator stores pressurized fuel to buffer engine demand and reduce pump cycling frequency.

A controller monitors in-cylinder pressure to determine combustion variation parameters and adjusts fuel injection timing.

A monitoring method checks zero torque conditions to adjust injector fuel injection during vehicle deceleration phases.

A fuel injection learning apparatus stores characteristic values associated with detected fuel temperature to generate precise command signals.

A high pressure fuel pump controller adjusts duty cycle using a learned transfer function and instantaneous bulk modulus estimates.

A controller adjusts fuel injection timing regimes using temperature and pressure sensors to manage combustion chamber conditions.

A throttle control section expands valve opening during engine rotation drop to secure restart air supply.

A combustion chamber pressure sensor measures cylinder pressure during the compression stroke to detect autoignitions.

Retarding intake closing after bottom dead center lowers effective compression ratio, suppressing preignition in high-load turbocharged engines.

Real-time sensor feedback detects water heater faults early, reducing gas leakage risks and eliminating user waiting time for manual inspections.

Evaluation unit compares actual pressure against expected values from a reference model to identify fuel pump or nozzle defects during engine operation.

A valve control device sets different control gains based on wastegate valve states to maintain followability.

A control method times pilot and gaseous fuel injection to maintain exhaust temperatures above 200 degrees Celsius for efficient SCR operation.

A control device adjusts ignition timing using crank angle cycle ratios to manage engine speed during startup.

Comparing oxygen sensor and pressure sensor time constants detects degradation, preventing inaccurate EGR flow estimates from compromised sensors.

Recirculating compressed air from an electric supercharger warms the charge-air cooler, preventing ice formation and maintaining charging efficiency.

Reducing canister pressure with a compressor re-gasifies adsorbed fuel, cutting supply delay to the engine.

Individualized drive current waveform profiles reduce injection quantity variation and enhance dynamic range across multiple combustion cycles.

A crankshaft sensor voltage modifier circuit generates distinct output signals to differentiate between component and cable faults.

A multi-flow exhaust system routes hot bypass gas directly to aftertreatment elements.

A calculation device normalizes exhaust gas pressure loss to reference conditions using mass flow and temperature relationships.

A load driving device uses a timer circuit to measure signal duration and force output state transitions.

Cycling cylinder air-fuel ratios heats the lean NOx trap to optimal temperatures while preventing fuel dilution and sudden emissions spikes.

Speed-based valve timing control eliminates throttle lag and stabilizes combustion pressure variations in lean-burn engines.

A controller monitors drive and hydraulic loads to adjust engine speed and pump swash plate angles for reduced fuel consumption.

Discharging stored charge into the exhaust manifold increases temperature and pressure, reducing turbo lag during transient engine operation.

A fuel injection system monitors high pressure to detect continuous injection events in internal combustion engines.

A magnetized cylindrical rotor generates magnetic resistance within a handlebar to provide stable operation feedback.

Dynamic firing fraction adjustment resolves the trade-off between fuel efficiency and NVH.

A negative pressure open/close valve manages fuel tank venting by holding open or closing based on specific pressure differences.

A vehicle control system sets distinct target acceleration values for pedal depression and return to enhance driver perception of speed changes.

Segmented control units calculate cylinder-specific speed references to balance load deviations and resolve complexity trade-offs in engine speed regulation.

A hybrid forced induction system uses an electric motor to drive the compressor while a turbine-driven generator supplies power.

Strategic sensor placement monitors nitrogen oxide levels to resolve the trade-off between continuous regeneration trap precision and carbon dioxide emissions.