Electrical Control TRIZ Cases

See how real-time coolant temperature control keeps charge air above dew point to prevent intak

See how a sealed supercharger housing with bypass line recycles leaked air-fuel mixture, preven

See how an adjustable bearing device enables dynamic spring force tuning for furniture fittings

See how a closed-housing PTC load resistor absorbs and radiates heat externally to shorten engi

See how resistance-based feedback control prevents over-temperature damage in engine intake air

See how sensor-based crash, leak, and stall detection triggers dual shutoff valves to prevent f

See how resistance-based PWM control prevents intake air heater over-temperature during warm en

See how an integrated controller stabilizes high-pressure water supply to engine intake ports,

See how crash sensors and dual shut-off valves detect fuel tank impacts, leaks, and engine stal

See how droop-mode engine control increases compressor speed and refrigerant flow at low load,

See how a linear heat detector creates resistance changes at threshold temperatures to trigger

See how dual in-line fuel flow sensors at tank outlet and prime mover inlet detect leaks by com

See how parallel turbocharger and supercharger modes with check valves resolve engine efficienc

See how GPS-based mode selection and fuel injection parameter control reduce TRU emissions and

See how a closed PTC heating element with heat-sink housing and cooling fins accelerates engine

See how a gas heat-pump turbocharger with controller-adjusted bypass valve enables active contr

See how differential pressure sensors and regression modeling replace expensive flow sensors in

See how a relay detects unauthorized engine control modifications and blocks activation signals

See how dynamic engine speed reduction, extended delay periods, and variable compressor displac

See how a linear heat detector embedded in transport refrigeration unit insulation detects ther

Real-time ECU feedback lets a transport refrigeration controller limit load demand, prevent engine shutdown, and maintain temperature control.

Real-time fuel use is calculated from instantaneous consumption, engine load, and operating state to improve tracking in refrigeration units.

Adaptive cabin comfort thresholds trigger engine-driven A/C only when needed, balancing hybrid vehicle fuel economy and occupant comfort.

Reducing compressor displacement before clutch engagement cuts driveline torque disturbance while preserving cabin cooling and fuel control.

Parallel control of the LPI fuel pump and shut-off valves stops post-shutdown pump noise, cuts wasted power, and limits voltage surge damage.

By predicting when cabin temperature will hit a comfort threshold, this control avoids unnecessary engine cycling, improving fuel economy and NVH.

Discrete intake and compression stroke injection windows cut fuel wall wetting, lowering particulate matter and unburned hydrocarbons.

A bypass control module and rheostat reshape pedal signals to remove ETC flat spots and improve throttle response without engine changes.

Temporary ignition timing changes cut generator-grid phase error fast, reducing sync time, emissions, misfires, and switching transients.

By predicting surge risk before a gearshift, the control system lowers boost pressure early to protect the turbo and shorten power cut-off.

Gradual ECU speed limiting encourages timely truck gear shifts, improving fuel economy while avoiding torque lock and overly restrictive control.

A redundant engine control module on a separate core arbitrates commands to keep vehicles mobile after faults while maintaining safety.

Route-aware downhill preconditioning keeps exhaust aftertreatment temperature ready for uphill climbs, improving NOx reduction and fuel use.

When diagnosis is interrupted, the control unit detects the inhibition event and notifies the ECU so countermeasures can continue efficiently.

Electronic horizon data lets EGR open before slowdown sections, cutting NOx while preserving torque and stable vehicle speed.

Pressure-based valve sequencing isolates breaches and blocked vent lines in parallel EVAP canisters for heavy-duty vehicle emissions diagnosis.

Additive dosing and shutdown purging help an engine-generator start reliably on low-reactivity fuels without manual fuel reconfiguration.

A deployable air deflector boosts intake static pressure at speed while limiting rain and particulate ingestion in heavy vehicles.

Rear-camera feedback adjusts automatic braking when a fast-approaching following vehicle raises rear-end collision risk.

Fixed over-rev thresholds and mode-switch records keep engine durability assessment consistent when circuit mode raises maximum speed.

A Venturi fuel mixer draws supplemental fuel by vacuum, cutting diesel use while avoiding vehicle-specific conversion kit complexity.

Exhaust SO2 sensing linked to refueling location updates regional fuel sulfur data in real time, improving sulfur purge timing and fuel efficiency.

Smooths displayed engine idle speed during auxiliary load changes so drivers do not mistake normal control response for instability.

A controller limits fuel flow when vaporizer temperature drops during cold starts, preventing engine stall and reducing wasted fuel replacement.

Maintenance indicators adjust a simulated driving environment as components deteriorate and restore it after virtual servicing for more realistic vehicle behavior.

Multiple engine-generator units send identified state data to management support equipment, allowing operation to continue when one unit fails.

Road topography is used to cap pedal-requested torque and add haptic feedback, cutting fuel use without driver training downtime.

An auxiliary control fluid and movable separator discharge pressurized gaseous fuel efficiently while avoiding direct high-pressure injector demands.

Phase-controlled engine combustion uses a virtual inertia model to help generator sets counter frequency dips and load surges.

Swing-displacement rollover detection is corrected with independent vehicle-state sensors to cut false positives from road conditions and maneuvers.

Output suppression is adjusted by overspeed duration and degree to limit rotational speed while reducing power fluctuation and poor acceleration.

Real-time shaft and wheel speed monitoring aborts moving engine restarts when clutch torque could trigger excessive wheel slip on slippery roads.

Two-stage driver alerts use signal-change prediction and adaptive delay timing to reduce annoyance while improving safe vehicle starts.

When driving-unit diagnosis is inhibited, the control unit notifies the in-vehicle ECU to trigger timely countermeasures without excess alerts.

When PTO operation keeps a vehicle idling too long, controller-based speed adjustment cuts fuel use and engine wear while preserving readiness.

Raises engine speed before a neutral-to-high-gear shift so work machines avoid driveline load surge, lugging, and stall.

Lambda sensor feedback meters purge gas during fuel tank venting, maintaining the fuel-oxygen ratio without extra sensors or added cost.

Pre-brake and main brake motor control stop the crankshaft at a target position after idle stop, enabling quicker engine restart.

Pressure inflection testing identifies whether an EVAP leak comes from a degraded capless door seal, avoiding false DTCs and unnecessary service.

A starter-generator selects full, assist, or manual start modes from power-source health to cut pull effort and improve cold starts.

Wireless off-board plausibility checks compare vehicle and reference data to expose spoofed urea dosing signals and confirm tampering.

A combined control signal lets one valve controller decode current profiles and actuate solenoids through a single input pin, cutting ASIC complexity.

By predicting time to obstacles or route changes before launch, this case avoids incomplete vehicle diagnostic cycles and improves test completion.

Residual cylinder pressure can push the crankshaft off target after engine stop, so generator torque is sustained to hold the stop position.

Virtual sensor values from existing powertrain signals reveal operating changes without adding specialized sensors, cutting cost and complexity.

A single Hall sensor on the gearbox drum enables fast, low-resistance motorcycle shifting while cutting sensor count, complexity, and maintenance.

Stepwise fast and slow inductor discharge speeds solenoid valve closure while reducing plunger wear and preserving monitoring control.

Driving-state detection closes the canister and purge valves during water fording to seal the fuel system and block water ingress.

FRAM buffering lets an engine control module preserve critical operating data during sudden power loss when shutdown time is too short.

Gradual inverter frequency ramping lets a drainage pump start smoothly, cutting fuel use, noise, and engine size in standby-driven operation.

A single Hall sensor on the gearbox drum lets the ECU detect shift position and cut torque quickly, reducing resistance, cost, and maintenance.

A Venturi fuel mixer and voltage-gated lockoff valve let diesel engines use supplemental fuel safely across different vehicle setups.

Frequency analysis of high-side drive signals detects shorted load switching early and shuts down the injector drive before FET damage.

Adaptive damping filters driver input signals so on-board diagnostics can run reliably during dynamic driving without frequent aborts.

When intake air charge is capped to protect the three-way catalyst, shift control lowers the rev limit to preserve speed and output.

When circuit mode raises the engine speed limit, the tachometer display also shifts so drivers recognize the mode change without risking durability.

State-aware ISG control switches engine stop and restart rules between working and traveling modes to cut unnecessary fuel use in construction machines.

Electronic valves route decay-phase induction current into energy storage, protecting switching elements while supporting faster linear drive cycles.

A single controller coordinates machine travel and implement requests to choose engine speed and torque for lower fuel use and faster response.

Sensor-based CVT belt monitoring detects slip and critical life events early to prevent damage, cut downtime, and reduce repair costs.

A motor-generator and energy storage unit correct crankshaft slip angle to smooth ICE vibrations without heavy flywheel inertia or lag.

Intermittent ID signaling pre-activates vehicle electronics when a rider approaches, cutting wait time without raising power use.

Topography-based gear preselection restarts the engine in the right gear to preserve drivability, speed, and fuel-saving coasting.

A PCB-based connection module combines power, fuse, harness, and diagnostic links to simplify generator wiring across engine configurations.

By updating turning, acceleration, and deceleration data only when needed, this control approach improves model accuracy without unsettling occupants.

A vehicle-embedded computer compares live control data with an emissions-test fingerprint to detect calibration drift and flag non-compliance.

After range switching, capped torque rises past the brake-hold threshold in a controlled ramp to avoid sudden launch and support uphill starts.

A Venturi nozzle and staged pressure regulation let gaseous fuel retrofit diesel engines with easier installation, tuning, and lower primary fuel use.

Forward and rear cameras detect lead-vehicle movement at green lights and adjust emergency braking to reduce front and rear collision risk.

Updates MPC cost-function coefficients online to adapt engine airpath control modes without full recalculation, cutting recalibration time and memory use.

Sequential clutch engagement uses load-based thresholds to spin up a cutter wheel smoothly while preventing engine droop, stalling, and vibration.

A pressure sensor is checked by comparing low- and high-frequency noise power, enabling reliable detection of aging or clogging.

Destination data from distributors or base stations lets the controller set vessel engine speed and air-fuel ratios without GNSS.

Hard-wired RBF gradient and model-value calculation reuses intermediate results to cut processing load and meet real-time control needs.

An angled dual-section airflow path keeps the sensor compact and calibration-free while maintaining accurate air mass measurement in tight engine layouts.

Different input-parameter combinations across neural network units raise engine output calculation accuracy without adding new sensor types.

Flight-trained physics-based engine models replace lengthy rig testing by adapting to real operating conditions for faster health monitoring.

Tracks filter hydraulic power loss and fuel economy penalty to identify when a fuel filter should be serviced before pressure drop wastes fuel.

A nonlinear rotary valve passage and exhaust-gas preload improve sealing while lowering actuation force in turbocharger flow switching.

An ECU-linked conductive loop detects crankcase pipeline breaks or connector disconnection before engine damage and emissions issues worsen.

A clamp-diode pre-regulator and PFET bypass extend LDO input range while cutting current draw and protecting downstream circuits.

Independent speed control links engine RPM and hydraulic actuator motion to balance machine productivity with lower fuel use and noise.

Zero-voltage synchronized bridge oscillators cut switching loss and electromagnetic noise in resonant fuel injector induction heating.

Fuel quantity is set from air flow, EGR, and inert gas input to keep hydrogen combustion lean, stable, and resistant to knocking.

A fastened fluid fitting lets one leak detection module housing fit multiple EVAP layouts, cutting mold cost and manufacturing lead time.

Linear LTFT prediction fills unlearned PDI split-ratio cells to reduce fueling errors, emissions, and purge-related interruptions.

Injecting EGR condensate into the cylinder during power or exhaust stroke cools exhaust gas, cuts condensate waste, and protects downstream parts.

Variable geometry and bypass valve control tune turbine outlet flow to improve DEF mixing and urea decomposition while limiting backpressure.

An electric motor and feedback control stabilize turbocharger shaft speed to cut bearing wear, turbo lag, and fuel economy loss.

When storage fills in poor communication conditions, event-based priority keeps critical vehicle operation data from being overwritten.

Downstream sensor feedback resets catalyst oxygen storage estimates to keep air-fuel control near target and suppress NOx spikes.

Biasing the target oxygen storage amount toward the lower threshold cuts high-side resets and helps suppress NOx in three-way catalyst control.

MAP sensor data and thermodynamic modeling estimate turbo speed without a compressor outlet pressure sensor, cutting cost and improving reliability.

Geographic calibration switching adjusts two-stroke exhaust valve maps to match regional fuel conditions, improving run quality and emissions.

AI recalibrates engine and aftertreatment settings from real driving data to cut emissions, improve fuel efficiency, and reduce manual calibration effort.

Pressure oscillation frequency in each combustion chamber is used to calculate cylinder gas mass accurately with one sensor and simpler processing.

Bias-aware delta fuel control constrains controller authority when oxygen sensors drift, helping maintain air-fuel balance and lower emissions.

Alternating lean and rich exhaust control preserves catalyst oxygen storage and suppresses downstream NOx release despite HC poisoning.

Staged pre-injection, main injection, and exhaust recirculation extend premixing time to cut NOx and PM without unstable ignition.

Feedback control of the recirculation valve and wastegate holds compressor outlet pressure to stabilize engine speed with low throttle loss.

Split injections are timed to piston travel to avoid local rich zones, cutting THC, CO, and PM while preserving engine output and fuel economy.

A central-tendency check compares three vehicle sensors under a predefined state to cut misdiagnosis from outliers, tolerances, and environment.

Hydraulic lost-motion components maintain cylinder deactivation and decompression during diesel engine shutdown, reducing vibration and starter wear.

A pressure regulator and in-cylinder injector coordinate fuel pressure and compression-stroke timing to improve gaseous-fuel combustion efficiency.

Dynamic piston top-dead-center adjustment lowers compression in resonance ranges, suppressing torsional stress while preserving marine-engine thermal efficiency.

A portable generator uses a proximity sensor to detect exhaust outlet distance and trigger an automatic shutdown.

A hybrid data-based analysis model combines nonlinear and linear submodels to determine fuel injection valve opening and closing times.

A control device determines a target exhaust gas recirculation rate by intersecting knock, temperature, and air quantity limit lines to maximize engine output.

A controller manages cylinder deactivation by adjusting valve lift profiles and fuel delivery in internal combustion engines.

A control unit heats exhaust gas to raise gasoline particulate filter temperature for rapid activation.

A control unit adjusts electric supercharger actuation timing based on engine rotational speed and accelerator opening changes.

A control system corrects intake oxygen sensor readings using a purge fuel concentration factor derived from learned states.

Dynamically adjusts injection nozzle closing time using pressure and speed data to prevent backfiring during gaseous fuel injection.

A correction factor module adjusts throttle area based on estimated versus measured intake airflow to maintain precise engine control.

Individual cylinder calibration using measured compression ratios, fuel flow, and IMEP data eliminates manufacturing tolerance variations.

Virtual turbocharger speed sensor predicts future speed using kinetic energy models to prevent overspeed and minimize wastegate wear.

A pressure regulating valve in a fuel rail stabilizes high pressure via a dedicated control loop during protective mode.

Engine operation control unit maintains running state during active inter-vehicle distance control, preventing unintended stops that cause driver discomfort.

A diagnostic method compares calculated and measured O2 signals to assess exhaust gas probe dynamics independently of operating points.

Adjustable learning rate accelerates initial compensation for fuel injection valve deviations while maintaining stability during extended operation.

A control system adjusts engine speed setpoints based on hydraulic load and gear state to maintain adequate torque output during operation.

Monitoring the SCR vaporizer temperature allows dynamic dosing adjustments that prevent urea crystal formation while maintaining NOx conversion efficiency.

Late valve timing and split exhaust routing push fresh air back into the intake manifold, reducing engine pumping work while maintaining high EGR flow.

A control law corrects compressor mass flow rate using turbine gas enthalpy to stabilize supercharging pressure.

A control system adjusts exhaust gas recirculation quantity based on driver acceleration requests to optimize engine operation.

Dynamic mode switching manages supercharger bypass valves to increase torque output while limiting control complexity.

A vehicle control system generates profile data records from energy utilization characteristics to adjust fuel composition and energy distribution.

A fuel injector driver switches between peak and hold modes to actuate valves.

Staged fuel injection into an oxidation catalysis device records outlet temperature changes to characterize operational status.

Analyzing magnetic flux and current intensity data determines needle stroke variations, correcting injection timing against wear-induced deviations.

A programmable controller predicts fuel recovery to prohibit fuel-cut operations during vehicle coasting.

Dynamic temperature feedback controls late post-injection fuel quantity, preventing excessive heat rise and oil dilution during DPF regeneration cycles.

A synchronous reluctance generator uses cylinder shutdown to manage grid faults.

Engine control system estimates fuel consumption for cylinder patterns to optimize active cylinder count and transmission gear selection.

Alternating rich and lean fuel injections in selected cylinders maintain exhaust temperatures, reducing parked regeneration needs and fuel consumption.

A controller calculates exhaust gas temperature at any pipe position by subtracting heat radiation losses from combustion chamber outlet values.

A transmission downshifts through an intermediate gear to purge condensate from the charge air cooler before reaching the target lower gear.

Controller activates exhaust braking subsystem to build backpressure before engaging compression release brakes.

An AI apparatus determines optimal engine ignition timing using traffic and driving data to automate restarts.

A control system estimates exhaust gas recirculation flow using intake oxygen and differential pressure sensors to detect valve flow area changes.

A method recalibrates fuel injector laws using common rail pressure drop measurements to determine precise injection quantities.

A method calculates torque reserve using rotational speed and air mass setpoints to optimize engine control.

A control unit monitors electric motor current to detect liquid accumulation in internal combustion engine cylinders.

An engine control module adjusts fuel injection and ignition timing to prevent compressor surge in turbocharged gasoline engines.

A fuel injection controller adjusts quantities based on throttle grip operation to compensate for valve opening deviations.

Adjustable valve overlap manages intake-exhaust gas flow during engine operation.

Resistive heating reduces working fluid viscosity to overcome low temperature resistance, ensuring consistent fuel delivery and reliable engine performance.

A vehicle control system limits engine rotational speed during starting to prevent wheel slip and enhance driver comfort.

Pre-storing medium output commands in memory corrects assembly errors and improves control accuracy.

Electronic control system processes exhaust manifold pressure data to identify air-fuel ratio imbalances across engine cylinders.

A control unit manages oil supply in two-stroke engines by limiting engine speed to an intermediate range between idle and nominal speeds.

A computing unit calculates air mass flow from intercooler pressure loss using a geometric throttle model.

A throttle valve controller sets a dynamic lower limit to prevent mechanical collision during high-speed closure.

Machine controller monitors hydraulic and coolant temperatures, transmitting torque limits to prevent overheating and maintain work machine productivity.

A variable displacement controller adjusts active engine cylinders based on speed and temperature data to optimize fuel efficiency.