Electrical Control TRIZ Cases

Forced upshift and intake air limiting keep the three-way catalyst within temperature limits while preserving vehicle speed and emissions.

A bypass orifice balances tank and canister pressure during purge, limiting fresh vapor draw while removing hoses and leak points.

Torque is limited after cold start until exhaust aftertreatment warms up, with the threshold adjusted to vehicle driving resistance.

Predictive downhill control preconditions exhaust aftertreatment temperature before an uphill segment, improving NOx reduction without extra fuel use.

Cold-start emission spikes are controlled by warning the driver and temporarily limiting engine power until exhaust aftertreatment reaches compliance.

An electronic Venturi throttle-mixer cuts leak points and replaces mechanical linkages for precise low-pressure gaseous fuel and air control.

Multiple hydrogen tanks and controlled valves match fuel pressure and flow to vehicle power demand, cutting throttling losses and emissions.

Using generator frequency instead of engine speed, this control approach keeps loop gain stable across operating points and reduces tuning effort.

Dual tank arrangements and controlled valves match hydrogen pressure to engine or fuel cell demand, cutting regulation losses and emissions.

Oxygen storage is integrated between air-fuel ratio switching and oxygen reversal points to avoid sensor-delay errors in catalyst diagnosis.

A unified generator set connection module replaces screw wiring with protected plug-in connectors to cut installation time and resist vibration.

Seat and neutral detection let an industrial vehicle stop engine output for safety, then restart steering-assist power when the driver returns.

Tank pressure changes and activation data let vehicles attribute fuel use across engine and auxiliary loads for better efficiency and maintenance.

Control logic uses exhaust geometry, filter fill status, and catalyst temperature to keep engine exhaust invisible while meeting emissions limits.

Dynamic gearbox and engine control keeps low-load operation in an optimal range to cut soot, fuel use, and anti-pollution blockage.

Real-time gear, engine speed, and braking control keeps EATS hot enough on downhill slopes while holding vehicle speed in range.

Electromagnetic rotor-stator actuation replaces bulky throttle linkages, enabling thin-profile, rapid, and precise air intake control.

Excess braking energy drives a hydrogen recirculation compressor, avoiding resistor heat load while storing useful pressure in the fuel system.

Excess braking energy is absorbed by pressurizing recirculated hydrogen, reducing waste and preserving heavy-duty fuel cell braking capacity.

A dual-pass ejector with bypass and check valves purges canister gas under negative or positive intake pressure while cutting gas-line complexity.

Brake-force thresholds keep the engine stopped after stop-on-move deceleration, avoiding unnecessary restarts and reducing fuel use.

Variable boost current matched to engine temperature and injection demand cuts booster load and capacitor wear in fuel injection control.

Throttle and ignition timing are staged across the inertia phase to shorten accelerator-on downshifts while reducing shock and misfire.

Predictive engine power and speed adjustment preserves unloading power reserves without interrupting crop harvesting.

Concurrent delivery of both fuels during changeover stabilizes engine speed and prevents electrical load drops in mobile generators.

A starter-generator with hybrid supercapacitor and lithium-ion power enables low-temperature engine starting, reverse rotation, and less pull-start fatigue.

Coordinated wastegate, vane, and engine control raises engine power while keeping turbo speed within safe limits to reduce degradation risk.

Using generator frequency instead of engine speed improves steady-state control, damping torsional vibration, and adaptation across power assemblies.

Pre-checking combustion conditions before circuit mode activation cuts adaptation steps and prevents unstable engine operation on track.

A motorcycle-mounted ECU module lets riders change engine maps, read fault codes, and test components without specialized tuning tools.

Direct throttle-body signal control bypasses ECU delay, letting drivers tune pedal response with a rheostat to reduce power lag.

Switching from feedback-only to added feedforward injection during sudden load rise improves engine response while avoiding lean air excess ratio.

A dual-switch quenching circuit rapidly discharges solenoid valve inductance while blocking energy feedback and limiting shutdown voltage spikes.

An MGU-based virtual flywheel adjusts crankshaft angle in real time to smooth engine vibrations without the weight and lag of a mechanical flywheel.

Uses existing pressure and fuel level data to estimate whether a vehicle fuel tank vented gas during parking without extra sensors.

An engine control module replaces jumpy mechanical throttle linkage with sensor-based control to smooth response and limit vehicle speed.

AI predicts vehicle signal ranges and tolerance bands from correlated inputs to detect component failures with fewer false alarms.

Future speed profile simulation brings engine restart forward during coasting, cutting fuel use while reducing restart wear and delay.

Travel history and slope-based fuel prediction help recommend work machine parameters that balance fuel use and production on changing routes.

Dual controllers and redundant pedal sensing maintain accurate opening signals when one controller fails, improving vehicle control reliability.

A detachable support structure lets an engine-generator unit be removed for maintenance or replacement while overall power service continues.

Phasing combustion timing between two engines cuts driveline torsional vibration, reducing unloaded gear noise and wear.

A pressure regulator limits turbocharged intake pressure to protect the air compressor from peaks while preserving compression efficiency.

Using air and gas throttles with oxygen sensing, this case shows real-time fuel quality detection for accurate natural gas engine mass flow control.

Combines pressure, VOC, and mass-flow sensing in one leak check module to detect canister leaks and excessive hydrocarbon emissions.

Lookup-table speed control for jet engine starter-generators simplifies FPGA certification while reducing torque ripple and resonance.

Monitors exhaust temperature change before and after a PM trap to detect removal even when sensor wiring remains intact.

Engine brake assistance is adjusted from hydraulic temperature to reduce brake fluid overheating while maintaining work machine braking.

By reading heater resistance instead of external sensors, this case measures fluid flow and temperature faster and more reliably in harsh conditions.

An ion sensor detects pre-ignition during intake or compression, enabling timely countermeasures that reduce pressure and protect engine components.

One integrated valve meters hydrocarbon auxiliary fuel ahead of low-GHG fuel to stabilize combustion and reduce emissions.