Electrical Control TRIZ Cases

A fuel injection control device detects drive states of coil valves to monitor operational integrity.

A control system adjusts fuel injection and ignition timing to maintain stoichiometric air-fuel ratios during mode transitions.

A humidity sensor uses a lookup table to retrieve pre-calculated target temperatures for its heating resistor.

In-cylinder fuel injection moves a spark-discharge plasma channel to advance combustion phasing in controlled auto-ignition engines.

Single multi-port diverter valve replaces complex linkage assemblies, eliminating coordination bottlenecks while maintaining precise exhaust gas diversion.

An ion current sensor detects in-cylinder soot levels using electrical signals generated during combustion.

A control device adjusts target air-fuel ratios for injection systems to manage engine operation states.

An injection control device calculates energization time corrections using integrated current differences to ensure accurate fuel delivery.

Synchronizing particulate filter and deNOx converter operation regimes enables controlled regeneration using nitrogen dioxide as the oxidizing agent.

A switching-mode drive circuit uses a single flyback transformer to step up voltage for capacitive actuators.

Dynamic spark timing correction prevents engine flare and overshoot by adjusting ignition angles based on measured versus target speeds.

Electronic control unit modulates throttle valve opening to limit maximum engine speed and prevent rough operation during acceleration.

Intersecting water and fuel injection axes within the cylinder collide droplets with gaseous fuel to improve atomization.

Real-time EGR valve modulation prevents compressor surge and choke while preserving engine power and fuel efficiency.

Fuel injection control unit advances intake valve timing to promote gasification.

A fuel vapor canister routes tank vapors through the engine intake manifold during engine-off conditions.

A boat propulsion control system synchronizes engine speeds across multiple units using lever position and throttle opening detection.

A vehicle drive train control device adjusts output torque using camera-derived roadway profile data to optimize gear shifting.

An actuator moves a control tube to switch exhaust gas through a catalyst or bypass, reducing installation space while managing system complexity.

Dynamic valve speed adjustment stabilizes air-fuel ratio by reducing disturbances during purge operations.

A vehicle control apparatus manages torque reduction during simultaneous pedal depression to maintain drivability.

Extracting filtering functions to engine control outputs eliminates metallic shielding costs while reducing electromagnetic interference radiation.

Calibrates vehicle intake humidity sensors using external weather device data to maintain accurate engine control readings.

Variable valve drive actuates inlet valve device with distinct control times to manage intake manifold pressure during engine operation.

Varying solenoid valve current strength simulates timing defects, eliminating physical prototype costs.

Dynamic fuel injection control reduces torque fluctuation and vehicle vibration by adjusting injection amounts as engine speed passes through resonance ranges.

System calculates elapsed time between engine operation and exhaust response to verify sensor position, preventing misidentification of faulty components.

An exhaust-gas control device switches operation modes to adjust ignition timing and air-fuel ratio.

Integrating sensing elements and circuits inside the engine reduces external noise interference while managing high operating temperatures.

Local logic devices analyze injector pressure data to reduce signal noise and central system load.

Backup rotation sensor ensures accurate spark timing and quick re-starts when electromagnetic pickup fails.

Electronic control unit regulates throttle opening to maintain centrifugal clutch disconnection, preventing sudden starts and catalyst deterioration.

Control unit adjusts injection timing using correction values derived from fuel pressure and temperature data.

Controller adjusts EGR ratio using fuel mixture and exhaust gas temperatures to manage combustion parameters.

A particulate sensing system uses a heater element to maintain electrode temperature above the exhaust gas dew-point.

Adsorbent-based chambers separate onboard fuel into octane-rich and cetane-rich components using thermal desorption cycles.