Electrical Control TRIZ Cases

Maintains lockup during fuel-cutoff recovery to keep deceleration consistent while preventing filter device overheating.

A DC-DC converter and threshold switch isolate a faulty low-voltage battery during hybrid engine start to prevent voltage sag and protect safety functions.

Sensors trigger a deployable deflector to keep rain, hail, and debris out of aircraft fuel cell air intakes while limiting pressure loss.

Incremental WOT shift-point and hydraulic-pressure learning prevents hard fuel cutoff while improving acceleration and shift feel.

A pressure regulator using return-fuel reference pressure keeps prime mover inlet pressure stable despite dirty filters, cold weather, and air bleed issues.

Lowering engine idle speed with ignition retard before clutch connection cuts inertial torque and suppresses shift selection shock.

Operators can set exact PTO engine speeds through the instrument cluster, avoiding technician tools while improving calibration precision.

Starting intake air cooling before air-fuel ratio switching helps suppress NOx during lean and stoichiometric mode transitions.

Reinforcement learning adapts vehicle control data to driver preferences for acceleration, noise, vibration, and energy efficiency.

Distance-based storage of engine speed and fuel-load frequency relations cuts data volume while preserving long-term vehicle condition history.

Dynamic engine speed limits keep excavator output within safe ranges while preserving fuel efficiency and suitable power for changing work.

Overboost and negative braking voltage speed solenoid plunger motion while softening valve-seat impact to improve precision and service life.

Positive overboost and negative braking voltage speed solenoid plunger motion while reducing impact and tracking closure time for maintenance.

Weighted pitch, roll, and wheel-speed signals estimate road roughness so EGR and VDE can improve fuel economy while masking NVH.

A controller mediates life safety and powertrain requests, enabling fault diagnosis, bypass, and manual throttle operation during emergencies.

Real-time slope and pitch sensing lets ACC adjust engine torque to hold steady following distance on uphill, flat, and changing roads.

A control module disconnects lithium-ion cells from loads when the engine is off, preventing idle drain and extending starting attempts.

Shared operating data from other fleet vehicles helps adapt engine control to fuel and weather changes, improving response, fuel use, and emissions.

Direct release-pedal warnings combine audio and visual cues to correct pedal misapplication faster and help decelerate the vehicle sooner.

A Venturi fuel mixer draws natural gas or other supplemental fuel into diesel engines, simplifying conversion across vehicle-specific designs.

Grouped electrical loads trigger idle speed increases only after a threshold count, aligning engine response with occupant actions and power demand.

A dummy harness matched for heat exchange lets engineers estimate ECU-to-solenoid harness resistance accurately under pulsed current and changing temperatures.

Automatic engine speed increase keeps the clutch engaged downhill, preserving engine braking and reducing brake load.

A regulator between the turbocompressor and air compressor caps pressure peaks, cutting power use while protecting compressor durability.

Maintaining a constant fuel delivery rate at a defined engine state cuts fuel use while preserving power, torque, and travel time.

Preloading an auxiliary engine load before an upshift improves gaseous fuel response and limits speed droop in constant-speed pump drives.

Anticipating air flap closure and clutch opening enables smoother coasting engine shutdown with lower vibration, noise, and fuel use.

Intercooler cooling capacity and airflow estimate ambient temperature to distinguish blocked air intake from sensor failure and reduce false faults.

An intermediary control unit converts and filters autonomous driving commands to enable secure cross-vendor ECU compatibility in vehicle control.

A condition-based max point signal clips throttle input to prevent excessive prime mover speed, improving drivetrain efficiency and fuel use.

Ambient and solar heat are routed through series heat exchangers to warm the EVAP canister and boost vapor capacity with lower energy use.

Solenoid coil current reveals temperature and clogging effects, enabling tighter vapour recovery pump control and fewer shutdowns during refuelling.

Known-voltage coil current measurement lets a linear vapour recovery pump compensate for temperature shifts and clogging during refueling.

A model-based virtual sensor estimates heater and sheath temperature in fluid flow, avoiding unstable sensors and oversized heaters.

A sealed reference volume and pressure-drop measurement let a compact module quantify large tank leaks more reliably and reduce misdiagnosis.

Controller logic limits jake or exhaust brake cooling of SCR exhaust flow to preserve catalyst temperature and reduce NOx during braking.

A control module bypasses ECU throttle processing and lets drivers manually adjust pedal-to-throttle response to reduce lag and flat spots.

Frequency relations compress engine load and speed history by distance, enabling long-term vehicle state checks with less storage.

A Venturi mixer draws propane or natural gas into diesel intake air, simplifying cross-engine installation while reducing primary fuel use.

Sensor-based shift shaft detection adjusts engine torque for clutchless motorcycle gear changes without the spongy feel of spring-assisted shifters.

Integrated load, speed, and time logging in the ignition coil enables more precise engine maintenance and user-specific service planning.

Retarding injection and increasing fuel in a target cylinder suppresses pre-ignition during hybrid engine restart while preserving torque output.

During key-off, the bellows valve opens to the EVAP canister so bellows leaks can be detected and vapors contained without extra hardware.

Throttle limiting is adjusted by brake and accelerator timing to stop a stuck-throttle vehicle without causing excessive deceleration.

Torque and brake coordination keeps transmission members in the acceleration position to reduce backlash shock during throttle reapplication.

A dual-stage compressor and valve manifold shares pressurized air between engine intake and CTIS to speed tire pressure changes.

Clutch, brake, and vehicle speed signals let manual-transmission ISG stop the engine during deceleration and restart reliably for better fuel economy.

Electric catalyst heating combined with cylinder fuel cutoff speeds cold-start activation while maintaining engine stability and limiting emissions.

Differential current sensing across high-side and low-side paths detects shorts to battery or ground and shuts off the solenoid driver.

An ISG display device shows idle stop status and restart counts to drivers via a dedicated control unit.

A fully variable valve mechanism drives a pre-combustion chamber to enable smooth transitions between HCCI and SI modes, resolving control stability trade-offs.

A controller adjusts air-fuel ratio in primary EGR cylinders to increase fuel richness during flow reduction events.

Variable valve lift restricts airflow to prevent catalyst oxygen saturation, then increases lift to maximize cylinder temperature for reliable fuel restart.

A fuel injection control unit adjusts standby time periods based on crankshaft rotational speed to determine precise injection timing.

A coordinated engine and selective catalytic reduction system adjusts intake oxygen to optimize SCR performance.

A particle sensor adjusts its threshold value based on exhaust gas flow measurements to maintain consistent signal sensitivity.

A control device compares reference and actual heat production efficiency to determine combustion state deterioration.

An electric turbocharger system monitors motor speed and pressure ratios against threshold values to identify operational anomalies.

A control unit detects injector failure by comparing the angle of the 0.5th harmonic from a Fourier-transformed crank signal against stored reference values.

A control apparatus adjusts fuel injection amounts using a correction coefficient to manage air-fuel ratios during engine operation.

A mass airflow sensor uses a heater control circuit to maintain the sensor element at a lower temperature range during engine stop-start cycles.

A control device adjusts tumble ratio to stabilize combustion during catalyst warm-up.

A triple fuel injection strategy segments delivery into intake and compression strokes to manage combustion chamber conditions.

A pressure reducing valve control apparatus adjusts electromagnetic coil current to open a fuel discharge passage.

A fuel tank acts as a pressure store to enable leakage detection via a sensor.

A control device calculates estimated supercharging pressure by correcting basic values with intake gas flow rate change parameters.

A diesel particulate filter control system calculates soot change rates from candidate engine operating points to maintain optimal particle accumulation.

Selective ignition delay prevents energy waste and maintains optimal cylinder temperatures by adjusting spark timing after maximum compression.

A diesel particulate filter controller uses detected vehicle travel distance to time manual regeneration prompts for the driver.

Segmenting torque control into fast spark and slow air pathways resolves the contradiction between rapid response time and steady-state efficiency.

Controller determines target intake manifold pressure and valve position using volumetric efficiency to command throttle and valve actuators.

A cam torque actuated variable cam timing phaser uses a spool valve detent region to synchronize hydraulic commands with cam torsion events.

Clutch locking and gearshift neutral control prevent drive-away until catalyst light-off, reducing cold-start emissions without increasing fuel consumption.

Pulsing fuel injector spill valves between closed and open positions increases parasitic load on deactivated cylinders to raise exhaust temperatures.

A vehicle control unit detects sensor drift by comparing measurements from similar sensors over time.

Adsorbent fuel filter captures sulfur compounds to prevent catalyst poisoning, extending NOx adsorber life.

Periodic internal power circuit operation reduces energy consumption while maintaining soak time data integrity across ignition cycles.

Dynamic exhaust gas recirculation valve adjusts flow based on turbocharger speed to maintain optimal engine operation.

A water injection assembly pumps fluid into an engine air intake to cool combustion and suppress knocking.

Electronic throttle control integrates rotational acceleration into the torque command to prevent engine rotation speed undershoot and stall under load.

A fuel injection control apparatus selects between single intake stroke or dual stroke injection strategies based on engine thermal state.

Alternating rich and lean phases promotes sulfur desorption from the exhaust purification catalyst, preventing precious metal activity loss.

Driver alert module generates audio and visual signals to inform operators of engine shutdown.

Cumulative heat energy thresholds trigger NOx sensor heating during engine off, improving offset accuracy while conserving battery charge.

A fuel supply control device sets injection initiation delay based on upstream and downstream pressures to manage kick pilot valve timing.