Electrical Control TRIZ Cases

Event-based comparison of engine sensor measurements predicts degradation before failure, helping aftertreatment maintenance and emissions compliance.

Variable dither test cycles reveal high friction in fuel-system flow control devices, improving diagnosis and avoiding unnecessary part replacement.

Embedded conductive elements in a PCV conduit detect breaks and disconnections more reliably than pressure sensors, including small pathway failures.

Stored accumulator pressure keeps the transmission shaft brake engaged during engine shutdown, preventing pump loading on restart.

Pressure sensors and a regulating valve close the loop on mixer inlet and outlet pressures to tighten air-gas ratio control and speed engine response.

A piston cavity and reverse squish flow guide the mixture back to the intake-side spark plug, improving ignitability under high engine load.

Controller-based torque limiting and actuator prioritization improve hydraulic energy use and fuel efficiency in industrial vehicles.

Independent engine RPM and actuator speed settings are linked to match load, operator skill, and working conditions in hydraulic machines.

Real-time biodiesel measurement and valve control keep distillate blends on target while preventing injection into incompatible fuels.

A dual-capacitive sensor tracks oil level and dielectric constant in pump reservoirs, enabling remote detection of lubricant degradation.

Wireless remote control lets welders adjust and monitor power supply settings from a distance while priority switching prevents control conflicts.

By locking the torque converter in Park or Neutral, the engine load rises to heat the catalyst faster and cut cold-start emissions.

Absolute rotor position sensing lets an electric turning machine deliver starting torque with lighter power supply and shorter engine start sequences.

A movable pivot axis adds three valve modes to prevent knock and misfire in dual-fuel engines when methane number drops below 75.

A pressure-responsive reed valve airbox supplies supplemental combustion air during turbo spool-up, reducing turbo lag and transient power loss.

Dividing calibration space into lower-dimensional sub-spaces cuts data envelope computation while preserving drivability limit checks.

A proportional spool valve creates bypass, zero-flow, and metering stages in a high-pressure fuel pump while cutting solenoid power use and leakage.

Exhaust gas is diverted to an air turbine to generate vehicle compressed air without parasitic engine torque loss or external compressors.

An auxiliary exhaust fuel burner restores diesel particulate filter temperature for soot oxidation when normal driving leaves regeneration incomplete.

Oil quality, humidity, conductivity, and pressure sensing in the engine oil circuit helps detect abnormal engine states before breakdowns.

Pilot injection is increased at higher engine speed to keep fuel split stable between upper and lower piston cavities for rapid multi-stage combustion.

Selective signal routing lets a gas turbine starter air valve regulate pressure during start and disable it under PWM to mitigate rotor bowing.

Derivative-based saturation of the PI integral term improves engine speed response during load changes while limiting oscillation and instability.

A relay converts Bowden cable motion into electronic throttle signals, preserving precise engine control without hardware modifications.

Redundant transmission temperature sensors trigger torque limiting first, then shift restriction, to balance single-fault drivability and double-fault protection.

Real-time comparison of master and slave operation amounts triggers stop or alarm control before a remote-operated construction machine moves unsafely.

Separate cooled and bypass EGR passages warm the valve body during engine warm-up, suppressing condensation and valve damage.

MPC weighting shifts engine operation toward monitorable zones, improving diagnostics reliability while limiting performance loss.

Modular shift sequences combine time-based and operating-variable logic to protect marine engines and transmissions during gear changes.

Inverse reinforcement learning turns manipulation and measurement data into visualized reward criteria, helping engineers build expert-level control maps.

Dual-speed purge valve control uses hydrocarbon concentration and temperature coefficients to stabilize air-fuel ratio while maintaining purge rate.

Adaptive pilot and main injection timing keeps fuel split stable between upper and lower piston cavities across engine speeds and loads.

A current transformer senses engine speed from excitation current so the control circuit blocks starter engagement while the engine is running.

Switching behavior in a two-position controller reveals armature movement timing without sensors, helping prevent incomplete reopening and maximum output.

Segmented EC dial speed mapping skips resonance and torque-drop ranges while preserving fine high-speed engine adjustment.

A shared stop-button line enables one-wire data exchange, transient protection, and shutdown power hold-up for small engine control units.

A rotatable valve links twin volute passages and a bypass to balance exhaust flow, stabilize boost, and reduce vibration across engine speeds.

Fuel and oxygen are ignited near the particulate filter to restore regeneration when diesel exhaust temperatures stay too low.

Mathematical virtual sensors infer pressure and temperature between sealed EGR parts, helping pinpoint failures without added hardware.

Change-probability models monitor engine state features to pinpoint degrading components and adjust control as wear shifts plant behavior.

Bidirectional operation-amount feedback detects communication or motor mismatches early, then stops the construction machine or issues an alarm.

A variator-controlled supercharger drive adapts boost speed to engine demand, cutting energy waste and avoiding torque dips during acceleration.

Selective parasitic engine load raises DPF temperature above regeneration threshold during idle or low-load operation, limiting soot buildup.

A fitting-and-strongarm stabilizer limits solenoid vibration and wear in engine fluid shutoff valves, reducing false tripping over time.

A nonlinear rotary axial valve uses exhaust-gas pre-loading to switch turbine and EGR flow with lower leakage and actuation force.

Preconfigured ECU profiles let vehicles switch high idle and high performance modes during operation without factory-default limits.

Independent RVDT linkages and shearable fasteners keep aircraft throttle control operable when one mechanical path jams or fails.

Operation history from a removable engine-start permitting unit enables tailored maintenance guidance that helps prevent marine engine degradation.

A coaxial X-shape four-way valve balances fresh air and EGR flow to hold exhaust temperature, cut NOx, and avoid added engine complexity.

A dual-solenoid valve balances tank pressure and fuel vapor flow during refueling and engine operation while reducing emissions.