Electrical Control TRIZ Cases

A variable resistance heating resistor identifies fuel composition and phase by measuring electrical current changes during Joule heating.

Adsorbent-based reaction chambers split onboard fuel into octane-rich and cetane-rich streams using solvent desorption, reducing heat requirements.

Reducing the exhaust gas recirculation ratio during mode switching lowers cylinder temperature and prevents preignition noise.

Periodically switching between stoichiometric and lean operation allows soot oxidation while maintaining three-way catalyst efficiency without extra hardware.

An engine control device acquires a search axis value from actual intake air or requested torque to determine a control target value.

Linear bypass passages connect intake pipes through one body, enabling easy drilling while maintaining balanced air quantity.

Anticipatory throttle control detects road geometry changes and pre-adjusts engine torque to prevent noticeable slowdowns during hill ascent.

Permission unit restricts heater energization during engine start to reduce battery burden and shorten NOx detection downtime.

Vehicle controller wakes to unseal the fuel system and determine pressure sensor offset based on atmospheric pressure changes.

Electronic control module calculates current engine damage using liner polish rate and load factor to prevent piston failure.

A vehicle control device adjusts engine torque reduction rates based on combustion frequency to synchronize deceleration with steering inputs.

A variable geometry twin-scroll turbine manages boost pressure while an adaptive control system adjusts exhaust gas recirculation rates.

Mixed-potential cell output drifts with gas pressure. The control section applies pressure correction to maintain accurate ammonia readings.

A low-temperature combustion engine system adjusts air-fuel ratios during positive valve overlap to stabilize combustion and reduce noise.

A feed pump delivers fuel to a high-pressure pump suction side during engine shutdown.

A turbocharger control device calculates efficiency from characteristic parameters to detect deterioration without relying on waste-gate valve operation.

A throttle control device uses a lookup table to manage mode changes based on operation amount limits.

Exhaust gas heat and electrical heating vaporize methanol before injection, overcoming high latent heat challenges in the intake system.

A control apparatus calculates inflow, vaporization, and consumption fuel amounts to determine engine oil dilution rates based on operating conditions.

Targeted heating of the SCR catalyst restores transition metal ion valence, preventing NOx reduction performance loss during low-load engine operation.

Adjusts cylinder parameters using chamber temperature to optimize engine output, reducing emissions and improving fuel economy during acceleration.

Segmented injection cools the air-fuel mixture to suppress super knock while maintaining engine power output.

A sequential turbocharger control method adjusts turbine and compressor valves using dynamic mass flow thresholds to optimize engine performance during transient events.

Segmented ceramic housing and intermediary filter protect the sensor from fouling, ensuring reliable exhaust parameter measurement.

Predictive gas metering compensates for liquid fuel presence in a dual fluid injector, resolving precision trade-offs during mixed-fuel injection events.

Micro-organisms decompose carbon deposits in particulate filters, enabling regeneration without high exhaust temperatures or extra fuel consumption.

A control unit predicts exhaust gas temperatures using route data and engine operating parameters to optimize internal combustion engine performance.

Inferential control replaces mechanical sensors with mathematical models, reducing system complexity while maintaining accurate vane positioning.

A particulate matter sensor uses dual current detectors to monitor electrode status and manage heating cycles for accurate particle measurement.

Monitoring transition period electrical signals detects stuck fuel injectors without oxygen sensor feedback, maintaining combustion efficiency.

A control device calculates throttle upstream pressure using inflow and outflow air masses from temperature and pressure sensors.

A controller adjusts choke valve opening speed and position based on engine temperature to ensure reliable starting.

Chemical reaction models estimate reformate and burned gas mass fractions in a dedicated-EGR engine, eliminating costly gas composition sensors.

A throttle control system calculates a target opening degree change amount using a correction term to limit rapid valve movement.

An electromagnetic coil restricts fuel flow to the carburetor using induced ignition current, preventing backfires without extra circuitry.

A vehicle control apparatus detects external power supply to trigger driver alerts for manual stopping state maintenance.

A fuel optimizing system calculates combustion ratios to control delivery of multiple fuels in mobile assets.

Adjusts operating parameters when calculated start time precedes the earliest possible start, preventing premature injection and reducing hydrocarbon release.

In-cylinder pressure sensors detect hydraulic start-of-injection timing via wavelet transform analysis of pressure pulsations.

Sequential cylinder firing with dual fuel pulses isolates injector errors from purge hydrocarbon interference, enabling precise lambda deviation analysis.

A sliding cam mechanism controls valve lift to deactivate specific engine cylinders during zero torque operation.

A controller adjusts fuel injection to limit air-fuel ratio differences between lean and rich cylinders during idle operation.

Engine control system calculates root mean square values of crankshaft speed variations to detect spark plug fouling conditions.

A fuel injection control system uses exhaust NOx concentration and induction gas ratios to adjust injected quantities.

High-pass filtering isolates cylinder-specific exhaust signals, enabling the controller to correct torque deviations and improve engine durability.

A fuel injection device calculates transient fuel quantities using corrected intake air pressure variations and engine rotational speed data.

An electronic control unit diagnoses foreign matter in the EGR valve and holds it at a reduced opening before fuel cut to prevent combustion deterioration.

A control device predicts focused engine speed peaks during idle to ensure smooth restarts without excessive vibration.

Adjusting compression ratio to raise exhaust temperature enables particulate filter regeneration without compromising engine torque output.