Fluid-Pressure Actuator Testing TRIZ Cases

Segmented mounting member fits into a wide and narrow sensor attachment groove for secure actuator positioning.

Grouping multiple hydraulic control valves into test patterns reduces diagnosis time by eliminating unnecessary individual component tests.

A valve control unit detects actuator stroke length to identify valve type and select the correct control algorithm.

A hydraulic control system calculates pump flow rates using cylinder pressure and operation data to manage fluid delivery.

A controller monitors actual versus modeled actuator positions and applies a load-based threshold to identify degradation while filtering measurement noise.

Calibration circuit isolates a dedicated conduit from the main supply line to measure pressure transitions across series orifices on the valve spool.

Controller compares actual and theoretical proportional valve command values to correct operation characteristics using existing sensors.

A monitoring device calculates time derivatives of chamber pressure to determine piston arrival at cylinder ends without local sensors.

A servo-valve detects rotor engagement with a mechanical stop to generate a malfunction signal without bulky sensors.

Control unit reduces pump power output upon detecting filter contamination, preventing component damage and extending system lifespan.

User-adjustable proportional relief valves modulate hydraulic pressure to prevent damage when work implements strike hard objects.

A control device defines drive characteristics using minimum and maximum operation parameters to set actuator speed.

A control unit derives operation characteristics by acquiring command values and cylinder speed data from individual pilot oil passages.

A sensor arrangement uses electromagnetic coils to detect angular velocity and axial position on a rotatable element.

A hydraulic circuit uses a pump and direct control valve to manage friction element pressure.

Pressure sensors detect chamber conditions to switch the hydraulic circuit between floating mode for energy saving and forced descent for jack-up operations.

Electromagnetic coil detects displacement element position to calculate fluid pressure without mechanical sensors.

Extracting unique calibration features reduces memory storage requirements while maintaining absolute position accuracy despite localized surface wear.

Integrating a simulator device within the master brake cylinder housing eliminates intermediate components, reducing system complexity and idle strokes.

A solenoid valve monitors its own current draw to determine hydraulic accumulator fill levels without external sensors.

Evaluation unit combines usage quantity and state variables into a lifetime decrement value to track component degradation.

A pressure controller adjusts pilot fluid pressure based on temperature sensor readings to manage hydraulic system output power.

A cylinder monitoring device calculates differential pressure between chambers to determine piston reciprocating motion states.

A microactuator uses bubble growth and destruction to drive a moving member between chambers for precise mechanical displacement.

Replacing spring stiffness with gravitational balancing and magnetic retention, this converter maintains signal-pressure accuracy across varying orientations.

A hydraulic cylinder stroke calibration control device uses a rotary encoder to reset measurement values upon detecting a reference point.

A variable return metering valve modulates hydraulic fluid flow between cylinders to enable independent actuation of hoist and stick booms.

A control unit resets hydraulic cylinder stroke length using position sensor data and regulation valve adjustments for precise bucket operation.

A fluid testing device measures dissolved gas content by correlating pressure differentials after vacuum out-gassing.

A diagnostic system calculates and compares horsepower data from engine, hydraulic pump, and work apparatus sensors to identify component abnormalities.

An integrated sensor assembly harvests mechanical energy from hydraulic pressure variations to power condition monitoring controllers without external wiring.

Electronic control unit calculates seal wear volume from pressure, displacement, and temperature signals.

A hydraulic anomaly diagnosis device corrects pump operation counts based on measured intervals, resolving temperature-induced detection errors.

A hydraulic control device detects check valve opening to stop or reduce second pump rotation speed.

A magnetic dosing pump determines fluid density and viscosity using position sensors and optimization calculations.

Pressure monitoring devices detect valve position deviations to prevent undesired operations and ensure personnel safety during high pressure conditions.

Segmented retainer and sensor carrier modules install via a minimal aperture to eliminate large slots, reducing replacement time and preventing contamination.

A modular actuator assembly uses a tandem piston module to enable precise valve positioning during maintenance cycles.

A hydraulic monitoring system tracks pressure drop across fluid filters to detect contamination levels and trigger maintenance alerts.

A hydraulic excavator controller calculates trajectory corrective pressure to maintain the boom cylinder motion above the target construction surface.

An autotrim algorithm estimates trim values from valve assembly backpressure to normalize bias and ensure consistent pressure readings across channels.

A hydraulic actuator selects the most accurate sensor unit from multiple candidates to detect piston position.

Test device applies opposing force to measure displacement changes, enabling in-situ actuator effectiveness checks without aircraft removal.

Stop valves isolate the hydraulic line so a controller adjusts relief pressure via sensor feedback without actuating equipment, preventing surge pressures.

A pneumatic drive calculates power using a path transducer and pressure sensor to measure piston movement and internal pressure.

A treatment device cleanses high-pressure liquid via a circulation pump and filter within a hydraulic installation.

Segmenting the actuator into separate static and dynamic circuits reduces energy consumption during fatigue testing.

Controller lowers and increases command current to electromagnetic proportional valve, enabling accurate calibration of work implement operation speed.

Controller adjusts hydraulic fluid flow rate based on detected operator skill level to ensure controlled machine responses.

A valve controller limits electromagnetic proportional control valve opening based on engine revolution to manage hydraulic pressure loads.