Electrical Control TRIZ Cases

Dynamic control lowers compression ratios before supercharging pressure thresholds are reached, preventing engine knocking while maintaining torque response.

A fuel injection timing drift detection system uses crank synchronous pressure data to measure start-of-injection timing.

Controller opens inlet valve to remove residual fluid, eliminating energy loss from compression cycles and reducing audible noise.

A turbocharger control system calculates a surge correction factor to adjust exhaust manifold pressure dynamically.

A merged reference fingerprint system aligns time series signals to train machine learning models for asset monitoring.

A fuel injection controller selects single or split injection modes based on drive current detection signals to assess combustion state satisfaction.

A variable geometry compressor adjusts stator angles via distinct steady-state and transient maps to improve acceleration capacity.

A diesel moisture sensor testing method compares actual upstream NOx emissions against a model value derived from intake oxygen concentration.

A diagnostic method detects purge valve malfunctions by comparing measured intake manifold pressure against modeled values during active engine operation.

Targeted ethanol injection into the end-gas zone prevents knocking without reducing compression ratio or ignition timing.

Segmenting the outlet into spatially separated ports breaks sound waves, reducing air flow noise without increasing device complexity.

A common electric actuator drives both the low-pressure EGR regulating valve and intake throttle valve using a linking device.

External removable fuel pressurization system couples to vehicle fuel lines to monitor pressure decay and detect leaks without engine activation.

Controller tracks fuel rail pressure and reach time to identify high pressure fuel pump leakage, preventing performance loss.

Differentiates water droplets from exhaust gas recirculation via a saturation vapor pressure threshold to prevent engine misfires.

A fuel injection control device estimates combustion state using cylinder pressure sensing values from multiple injection stages.

Controller adjusts reducing agent supply to post-stage catalyst based on NSR temperature history, preventing unreacted NOx purging during rich spikes.

Segmented control orifices resolve the contradiction between needle opening speed and closing reliability, enabling precise injection rates.

A powertrain control system regulates engine speed to a set target value using transmission components during braking events.

Segmented sensors determine piston position in free piston engines, resolving measurement precision versus device complexity trade-offs.

A bypass throttle manages air mass flow to pre-spin the compressor before clutch engagement.

An engine control device regulates exhaust gas flow rate to promote condensed water drainage and ice thawing in cold conditions.

An intermediary control device modifies sensor signals via stored maps, reducing installation complexity and error risks in engine tuning.

A MEMS multigas sensor network acquires flammable gas data via a wireless mesh topology.

Correction device adjusts air/fuel ratio sensor output using rich/lean cycling to stabilize stoichiometric reference signals.

A filter malfunction determination apparatus calculates parameter changes to correct sensor offsets.

A cylinder pressure sensor detects in-cylinder gas force to calculate a reference pressure difference for precise air-fuel ratio estimation.

A hydrogen engine control system adjusts fuel injection timing based on storage pressure to prevent pre-ignition.

A vehicle controller switches engine cylinders to full operation before upshifting gears.

A control unit compares measured oxygen content against modeled values to verify the physical location of an SCR system NOx sensor.

An injector driver monitors driving switches during idle mode to detect short defects in individual channels.

A controller coordinates variable geometry turbocharger vanes and intake throttle valve settings to manage compressor outlet pressure.

Dual reductant injectors manage ammonia to NOx ratios across catalyst stages, resolving aging and ash loading bottlenecks.

An air pump maintains positive pressure in the exhaust pathway via a sealing valve, preventing water intrusion when the engine stops.

A rotary valve shaft with internal flow passages aligns intake and exhaust ports via stepper motor rotation to control engine timing.

Portable propane injection system initiates combustion in cold engines using low flashpoint fuel, eliminating heavy electric pre-heaters.

A hydrocarbon fuel blend with specific paraffin, naphthene, aromatic, and olefin ratios increases engine power output.

A controller identifies irregular fuel requests during idle conditions using clutch parameters and speed thresholds to adjust engine operation.

A three-way valve mediates flow between purge and atmosphere ports to prevent back-diffusion during engine stop, ensuring accurate detection.

Segmented closed-loop pressure controllers correct A and B side rails via a common disturbance variable, reducing step response time during load changes.

A control method manages wastegate closure to preserve exhaust gas energy during engine deceleration phases.

A free-piston linear generator uses a variable multistate controller to adjust piston movement and valve timing for precise combustion control.

A particulate filter management system monitors differential pressure and outlet temperature to control regeneration cycles.

A catalytic converter temperature estimation method tracks stored reactants to calculate transient heating corrections.

Electronic control unit measures battery characteristics to determine type and sets specific threshold values for idling stop permission.

Ejector creates supplementary compression stage to reduce turbolag and improve engine efficiency during acceleration.

A turbocharger control device calculates the rate of reduction in intake pressure during valve opening to identify specific wastegate or bypass valve faults.

A processing subsystem adjusts compressor recirculation valve position based on measured pressure ratio and estimated flow.

A controller adjusts automatic vehicle speed parameters based on soot load in a gasoline particulate filter to increase deceleration fuel shut-off events.

An ignition timing adjustment unit retards or advances spark timing per cylinder firing order to equalize torque fluctuations and suppress vibration.