Electrical Control TRIZ Cases

Control apparatus prohibits downshift requests during upshift inertia phase to raise input shaft speed before initiating shift, preventing rattling shocks.

Variable speed pumps adjust cooling capacity to prevent wet-stacking in generators while maintaining optimal operating temperatures across all load modes.

A diesel oxidation catalyst regeneration control device executes a two-stage temperature increase process to activate the catalyst and remove blockage.

A control device adjusts fuel injection timing and pressure to stabilize combustion in spark-ignition gasoline engines.

Electronic control unit restricts turbocharger rotation speed and target pressure using pre-determined operating limit curves.

A valve actuation system uses a composite camshaft and solenoid control to switch between four-stroke and two-stroke operating modes.

Controller adjusts engine speed and EGR to increase exhaust flow for accurate delta pressure soot load measurements.

Diesel engine limits maximum output torque in low revolution speed regions to optimize combustion modes.

A control circuit verifies sensor signal plausibility by comparing actuating variable relationships against predetermined characteristic curves.

Independent secondary coils decelerate the armature before impact, reducing noise and wear in hydrogen injection systems.

Dynamic threshold adjustment prevents overspeed and misfire during gas-to-diesel transitions by adapting fuel supply limits to real-time engine conditions.

An air induction system routes ambient air via a brake duct and valve to lower air charge temperature while preventing debris contamination.

Hybrid SPCCI combustion reduces pressure variation noise while maintaining high efficiency across varying engine speeds.

A battery-less engine system uses a generator-driven control unit to supply electric power to the igniter, fuel pump, and injector.

A single upstream exhaust gas sensor measures component concentration during engine overrun to determine catalytic converter status.

A reference governor adjusts feedforward references to optimize air handling actuator positions.

A shutdown unit short-circuits the brushless DC motor upon enable signal loss, preventing explosive fluid pumping after control disconnect.

Cavity resonance and waveguide measurements enable direct electromagnetic probing of material properties, eliminating time delays from sample extraction.

Partial spark ignition stabilizes combustion timing fluctuations while maintaining high thermal efficiency in compression-ignition engines.

A control module adjusts the gaseous fuel substitution rate using engine load and speed data to optimize fuel mixture.

A mechanical fuel shutoff interrupts liquid flow at the carburetor inlet during cross-over switching.

A dual lambda sensor system measures exhaust oxygen upstream and downstream of a vehicle catalytic converter to adjust the combustion air ratio.

Segmented exhaust manifold isolates recirculation tube from fuel-rich streams, preventing hydrocarbon deposition while enabling aftertreatment regeneration.

A sigma delta controller adjusts firing sequence phase to minimize torque surges and noise during skip fire transitions.

Geolocation-based control maintains high pressure in diesel fuel supply pumps to prevent premature wear of the high-pressure pump.

Air bypass valve redirects supercharged intake air upstream of the compressor to manage collector pressure during mode transitions.

Segmenting fuel delivery into port and direct phases reduces particulate matter emissions while maintaining charge cooling benefits.

Actuator controls switching valve movement to reduce minimum opening time, enabling precise small injection quantities.

Segmented exhaust pathways with dynamic valve timing control turbine over-speed and component overheating while minimizing manifold energy losses.

A control circuit estimates NOx inlet content to calculate conversion efficiency using outlet sensor data.

Air intake shut-off valve cuts airflow to prevent uncontrolled diesel engine running in airborne fuel environments.

Closed-loop fuel control system estimates trapped air mass using pressure and temperature sensors to adjust injection pulsewidth.

Adapts injection strategies using cylinder event tracking to resolve cold start emission challenges while maintaining reliable combustion stability.

An electronic control unit adjusts EGR valve actuation intensity and frequency based on a calculated foreign-matter accumulation index.

Predictive controller switches between flame propagation and compressed self-ignition combustion modes to maintain stability during load transitions.

An integrated canister purge valve combines a vacuum generator and check valves into one housing.

Injecting water during cold-start accelerates catalyst light-off by generating heat through momentum conversion, eliminating costly external heaters.

A heater control unit adjusts heating timing based on engine start modes to ensure rapid sensor activation.

Segmented injection paths and variable valve timing preheat air to improve vaporization, reducing cold start particulates while maintaining engine efficiency.

A dual fuel engine system selects combustion modes based on detected gaseous fuel performance parameters to manage injection timing.

A control system calculates air-per-cylinder values using mass airflow and engine speed signals to determine current accumulated air mass in the intake manifold.

A controller manages exhaust gas after-treatment thermal conditions to coordinate engine start and stop operations.

A three-way catalyst control method detects an oxygen storage capacity inflection point to adjust the heating period for optimal purification.

Remote mounting isolates the sensor from intake manifold heat and vibration, ensuring precise air pressure measurement.

A construction machine control system manages engine loading during diesel particulate filter regeneration to maintain actuator stability.

Corrects injector closing time deviations using electrical sensing and compensation to adjust injection timing.

ECU monitors hydraulic pressure and flow signals to reduce engine speed during idle periods, cutting fuel consumption and wear.

Dynamic current profiles balance spring and actuator forces to minimize mechanical impact, reducing noise and wear in high-pressure injection systems.

A fuel control system senses actual turbocharger speed to regulate engine fuel flow and prevent mechanical damage.