Electrical Control TRIZ Cases

Stored abnormality history lets an in-vehicle unit light the warning lamp at power-on before sensor signals are available, then stop it after recovery.

Selective injector skipping during upshift inertia phases cuts engine torque for quicker, smoother sport-mode shifts with limited combustion impact.

Future-stroke parameter updates keep current control margin available in free piston movers, avoiding saturation and adapting to system changes.

Waste heat from the engine and seawater cooling are combined to warm fuel cells faster, cut heater use, and stabilize ship hybrid power temperatures.

By detecting a drop in engine friction, the control unit raises engine speed to evaporate mixed fuel and quickly inhibit oil dilution.

A supervisory controller compares downshifting and fuel dosing paths to raise aftertreatment temperature with less fuel during warm-up and regeneration.

Cascode MOSFET and zener clamp paths protect low-voltage inputs from -10V to +70V while preserving linear, high-speed signal handling.

Sensor-based cumulative damage tracking modifies vehicle trip plans to reduce propulsion wear, cut downtime, and schedule maintenance earlier.

Logic-based start signal detection replaces bulky switching circuits, saving board area while keeping safety functions active when ignition is off.

Limits launch torque after range switching to release brake hold smoothly, preventing sudden starts and uphill rollback.

Bit-level trace memory maps instruction execution status to cut storage size while exposing unexecuted code paths and security gaps.

By adjusting sensor signals before waste gate release, this case shows how higher boost can raise engine power while staying within factory limits.

Ambient sensors detect indoor conditions and stop a remotely started engine to prevent exhaust buildup and cabin air deterioration.

Engine speed is adapted to active hydraulic demand, cutting residual flow losses, fuel use, and emissions in road-building machines.

Three level sensors and control logic estimate fuel across saddle tank chambers while balancing twin low-pressure pumps without a crossover pipe.

Water pump RPM is used to detect low coolant and circulation faults without extra sensors, reducing accessory volume and cost.

Wireless input revs the engine and adjusts the exhaust tuning valve to create user-triggered revving sound without pedal input.

Controller-managed throttle holds engine speed during manual launches, limiting wheel slip and reducing driveline wear.

Adaptive setpoint curves let vehicle controllers shift operating variables to safe target values smoothly while staying responsive to changing conditions.

A Venturi fuel mixer draws supplemental fuel into diesel intake air, simplifying cross-engine retrofits while reducing primary fuel use.

Drive time statistics predict likely routes and travel times so regeneration can run automatically with lower fuel use and less driving impact.

Rotor angle from sensorless AC motor control is used to derive crankshaft position, improving high-speed accuracy while removing separate sensors.

Phase-shifting combustion timing between two engines cuts driveline torsional vibration, reducing gear rattle, noise, and wear.

Operating-mode detection matches engine speed and hydraulic volume flow to each work phase, reducing power losses and fuel consumption.

Indirectly diagnose transmission warm-up valve degradation by comparing estimated and actual fluid temperatures without dedicated sensors.

Temporary two-stroke valve control raises engine speed quickly during critical downshifts to cut torque interruption and improve gear sync.

Wheel-speed-based torque correction cuts launch slip without unnecessary torque loss by pre-tuning air charge and ignition timing.

Pedal-force and position sensing lets the control unit limit throttle opening during simultaneous gas and brake input to reduce drive power.

Stored characteristic curves let a tractor driver assistance system set engine and transmission operating points for better drivetrain efficiency.

Separate neural network paths for design values and operating inputs improve vehicle drive output prediction across different hardware.

A manifold model with Kalman-filter estimation derives oxidizer-fuel mix from pressure, temperature, and flow signals when lambda sensors are unavailable.

Acceleration feedback weakens tractive-force limits in low-output mode, helping work machines recover speed while improving fuel use.

Sensors detect renewable fuel during refueling or driving, enabling vehicle displays or lighting that visibly communicate sustainable fuel use.

When low-output mode cuts speed and acceleration, the controller relaxes tractive-force limits and adjusts gear ratio to recover motion efficiently.

Stored optimum speeds guide initial work travel, helping agricultural vehicles avoid engine overload while maintaining driving force to the work device.

Three level sensors replace a balance pipe in a saddle fuel tank, enabling accurate fuel quantity calculation and lower hydrocarbon emissions.

During downhill coasting, the controller checks soot load and filter temperature, then keeps exhaust flow for cooling when ignition risk rises.

Future-stroke control updates parameter sets before each piston stroke to avoid current margin saturation and keep free piston movers stable.

Engine power suppression is adjusted by load and predicted work waiting time to cut dump truck fuel use without slowing the haul cycle.

Control failure frequency reveals fuel pump motor abnormalities by separating torque-related causes such as foreign matter or impeller interference.

An OBD-II dongle calibrates throttle plate position against ECU target ranges, replacing manual adjustment with precise, accessible alignment.

By using heater resistance and heat loss to infer mass flow, this case improves fluid heating control in harsh environments without separate sensors.

Selective single- and multi-stage ignition balances lean-burn ignitability, coil heat buildup, and battery power use in engine operation.

Hardwired electro-mechanical switches link airflow, pressure, and temperature directly to fuel shutoff, simplifying safety testing and fault isolation.

Intercooler efficiency estimates ambient air temperature to detect sensor faults while avoiding false alerts from blocked intake airflow.

Real-time air and fuel throttle feedback uses AF ratio error to infer gas quality and adjust combustion for cleaner, steadier engine operation.

Threshold-current timing estimates electromagnetic actuator temperature despite coil tolerances, enabling overheating protection without sensors.

Operational data maps drivetrain capacity across mission stages, letting a faulted vehicle keep working in non-critical areas with less disruption.

Closed-loop feedback dynamically adjusts pilot and main fuel injection to maintain precise air-fuel ratios despite varying load conditions.

Digitizes engine operating states via driving pattern analysis weightings to resolve contradictions between engine reliability and fuel efficiency.

Aggregates individual adaptive impact values to assess combined effects on fuel richness, reducing false detections and ensuring emission compliance.

An ignition timing control device restricts advance correction amounts during fuel switching to maintain knocking resistance.

Electronic control unit calculates injection standby period using reference fall detection timing of excitation current.

A fuel injection control apparatus uses a carbon monoxide concentration sensor to regulate engine air-fuel ratio via exhaust gas analysis.

A compressor unit monitors precompressed air pressure to manage turbocharger operation and prevent mechanical damage.

An anomaly determination section monitors secondary-side current behaviors to detect electrical connection faults in corona discharge systems.

Electronic controller adjusts diesel injection pressure based on detected fuel type, reducing NOx emissions when operating with vegetable oil.