Fluid-Pressure Actuator Testing TRIZ Cases

A calibration apparatus adjusts a valve sleeve position to lock the spring reaction force at a target value.

Pressure sensor monitors decay rates to detect leakage levels without adding hardware, reducing energy waste.

A controller adjusts hydraulic actuator current based on measured extension time to maintain nominal velocity.

Monitoring null bias current deviations identifies wear before mechanical failure occurs.

A filter state estimation system uses oil temperature and bypass valve status to determine the clogging condition of hydraulic filters.

A control system calibrates pilot oil pressure sensors to ensure identical detection values across the hydraulic circuit.

Controller adjusts engine speed and hydraulic pump displacement based on operator skill level to reduce fuel consumption and component wear.

A variable speed motor adjusts pump output based on measured flow, reducing power consumption and noise during high-pressure aircraft maintenance operations.

Processor estimates hydraulic element health and remaining useful life by measuring accumulator charge time, eliminating expensive flow sensors.

A hydraulic warmup valve directs fluid through a bypass passage to heat components before operation.

A hydraulic tank controller compares estimated and actual fluid pressures to assess system health status using temperature and pressure sensor data.

A hydraulic crane registration system detects load movements by monitoring the rate of change in cylinder force rather than static pressure levels.

A valve device calculates fluid flow from pressure differentials to set predefinable volume or mass flows without position measurement systems.

A handheld measuring device with a detachable sensor head detects electrostatic charges in flowing hydraulic fluid.

Systematic valve diagnostics isolate blocked work ports and resolve contamination issues through controlled pressure analysis.

An electromagnetic actuator accelerates conductive fluid via Lorentz force to generate pressure without mechanical components.

A wind turbine pitch hydraulic system circulates control oil to equalize temperature and lubricate components before operation.

A controller adjusts a variable pressure relief valve via solenoid current to manage hydraulic fluid flow in material handling vehicles.

Dual seals and diagnostic channels monitor piston-cylinder units to maintain hydraulic functionality during component failure.

A hydraulic cylinder stroke diagnosis device displays continuous time changes in measurement values to simplify sensor calibration verification.

A hydraulic controller synchronizes valve movement timing by detecting pump discharge pressure changes during operation.

A payload measurement system uses a mathematical model to estimate weight from remote pressure sensor data adjusted for hydraulic fluid temperature.

A controller adjusts swing position determination accuracy by dynamically changing the sampling cycle of cylinder sensor output values.

Controller sets independent operation signal changes per actuator direction to prevent inadvertent movement and improve attachment operability.

A pressure transducer monitors gas pressure near the output port of a vitrectomy machine to activate a venting valve.

Bar codes on pilot valves store measurement data to modify operating signals, eliminating electronic circuits and correcting manufacturing non-uniformities.

Dual sensors monitor reservoir and remote device volumes to detect leakage before recirculation, eliminating delayed alarms.

Electro-hydraulic actuation system maintains consistent cylinder piston velocity through valve throttling and pump speed adjustments.

A control unit detects compressor malfunctions by comparing measured state variables against simulated reference values.

An automated method calibrates electrically actuated hydraulic valves by monitoring ultrasonic sensor data to determine precise command signals.

A hydraulic cylinder calibration system uses a stroke sensor and highlight display to guide operators through initial setup procedures.

An electro-hydraulic actuator system enables operator tuning of speed characteristics through a human machine interface gain adjustment mechanism.

Redundant block and bleed valves enable individual component testing during operation, resolving manual intervention challenges in emergency trip scenarios.