Electric & Electronic Active Devices

Our product range contains a wide range of Potentiometric Error Detector and Linear System Simulator

Potentiometric Error Detector

Min. Order (MOQ) 1 Piece(s)

We offer Potentiometric Error Detector useful for control labs. All feedback control systems operate from the error signal which is generated by a comparison of the reference and the output. Error detectors perform the crucial task of comparing the reference and output signals. The present set-up is designed to study the important characteristics of a 2-potentiometer angular position error detector. These include(i) linearity, (ii) sensitivity and(iii) maximum angle of rotation.Good quality wire wound servo potentiometers with full 360 rotation have been used for this purpose. Accurately marked dials with least count of 1 are fixed on the shafts for position indication. The error voltage is read on a built-in 3 digit DVM. An I.C. regulated internal reference voltage is available for d.c. studies. When used with an a.c. reference, the unit also demonstrates the phase reversal of the error signal which is important in applications involving a 2-phase servomotor as actuator.Highlights High quality servo potentiometers360 Mechanical, 355 Electrical spanDC and AC operation3 Digital Panel Meter for all measurements >>Experiments Linearity study of the error detectorDetermination of error detector gainUse of a.c. supply for the error detector-introduction to the phase reversal of error signal >>Features and Specifications High quality servo-potentiometers of 360 shaft rotationRequires an external CRO for a.c. studiesBuilt-in signal and power sources3 digit DVM for measurements The experiment is complete in all respect, except a CRO.

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Linear System Simulator

Min. Order (MOQ) 1 Piece(s)

We offer Linear System Simulator useful for control labs. The set-up offered is a variable configuration simulated system designed for time domain studies of both open loop and closed loop systems. Selection at block diagram level eliminates the need to bother about the details of electronic circuitry and its assembly. The simulator shown includes transfer functions of the form 1/s and 1/(sT+1), a calibrated variable gain K and an error detector. >>Highlights Time domain study of a Linear SystemOp-amp simulated system for greater accuracyFlexible systems configurationAdditional experiments may be performed >>Experiments Open and closed loop step response of First Order type-0 system for various values of gainOpen and closed loop step response of Second Order type-0 and type-1 systemsResponse of third order systemSteady-State errors for closed loop configuration through triangular wave input.The number of experiments possible on the unit is not limited to those suggested above. >>Features and Specifications Simulated first, second and third order system of type-0 and type-1Calibrated variable gain amplifier (Resolution 1:1000)Built-in signal sources: Square wave and TriangularFrequency: 45-90HzAmplitude: 0-2.5V approximately Trigger output for perfectly steady display on CROUncommitted amplifier for phase adjustmentProvision for disturbance inputsComplete in all respect, except a measuring CRO

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