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.