Secondary adjustment of hydrostatic transmissions
A hydrostatic transmission with secondary adjustment works with an impressed flow ( constant current network ) and has a constant pump and a variable motor, which performs the torque setting itself. T
Pitot-static tube
Slim, cylindrical measuring device for simultaneous recording of static pressure perpendicular to the direction of the flow and total pressure along the direction of the flow. The pitot-static tube is
Loop gain V K
Amplification in the and therefore the product of the amplification factors (proportional coefficients) associated with the individual elements (, controlled subsystem , measuring device) in the open
Surface roughness
Surface roughness (roughness depth) refers to the unevenness of actual surfaces based on the material involved and how is has been processed. Surface roughness is largely responsible for the wear expe
Emergency actuation
Fixture which assumes responsibility for actuation if the normal actuation device fails (triggered manually in most cases).
Nominal width
1. Term previously used instead of " nominal size " to indicate a device size. 2. Standardised numerical variables with which the inside diameter of pipes is compared. The nominal width for pipes is d
Modular design of control systems
A variation on the principle of functional block design whereby certain functional tasks are grouped together in blocks which may also be arranged at different positions at the machine (e.g. rapid tra
Linear control signal
Here, linearity refers to the relationship between the input measured variable (e.g. distance, pressure) and the electrical , which should remain as constant as possible. Where this is not the case, i
Force measuring
Performed with the help of force sensors designed in such a way that the force introduced acts on a strain gauge bridge (two active and two passive strain gauges) upon compression.
Pulse sensor
Signal generator, e.g. limit switches, limit pick ups, directional valves and the like, used to produce a pulse-like signal for a control process.