Control System Trainer Dealers in Adarsh Nagar, Roorkee

Linear System Simulator

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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 System Op-amp simulated system for greater accuracy Flexible systems configuration Additional experiments may be performed >>Experiments Open and closed loop step response of First Order type-0 system for various values of gain Open and closed loop step response of Second Order type-0 and type-1 systems Response of third order system Steady-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-1 Calibrated variable gain amplifier (Resolution 1:1000) Built-in signal sources: Square wave and Triangular Frequency: 45-90Hz Amplitude: 0-2.5V approximately Trigger output for perfectly steady display on CRO Uncommitted amplifier for phase adjustment Provision for disturbance inputs Complete in all respect, except a measuring CRO

Potentiometric Error Detector

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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 degree rotation have been used for this purpose. Accurately marked dials with least count of 1degree are fixed on the shafts for position indication. The error voltage is read on a built-in 3.5 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 potentiometers >>360 degree Mechanical, 355 degree Electrical span >>DC and AC operation >>3.5 Digital Panel Meter for all measurements Experiments >>Linearity study of the error detector >>Determination of error detector gain >>Use 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 degree shaft rotation >>Requires an external CRO for a.c. studies >>Built-in signal and power sources >>3.5 digit DVM for measurements The experiment is complete in all respect, except a CRO.