Antenna Azimuth Position Control System Model SYSTEM DESCRPTION AND PARAMETERS The antenna azimuth position control syst

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Antenna Azimuth Position Control System Model System Descrption And Parameters The Antenna Azimuth Position Control Syst 1 (40.96 KiB) Viewed 89 times

Antenna Azimuth Position Control System Model System Descrption And Parameters The Antenna Azimuth Position Control Syst 2 (27.66 KiB) Viewed 89 times

Antenna Azimuth Position Control System Model System Descrption And Parameters The Antenna Azimuth Position Control Syst 3 (36.07 KiB) Viewed 89 times

Antenna Azimuth Position Control System Model SYSTEM DESCRPTION AND PARAMETERS The antenna azimuth position control system is one of the fundamental components of modern telecommunication systems including satellites, radar systems and space robots. Accurate and precise azimuth positioning of an antenna is necessary for optimum performance of these practical systems. This has attracted interest of many rescarchets in the field of control systems, [1.2). The figure I below shows layout of a typical antenna azimuth position control system. Figure 2 and Figure 3 show the system schematic and block diagrams respectively. Detail description of cach sub-components can be read from literature [1.2]. The goal is to design appropriate controller with azimuth positioning with less possible positioning error, overshoot, settling time and chattering Potentiometer 2100 Antenna Desired azimuth angle input BAN) Azimuth angle Output Differential amplifier and power amplifier Motor Potentiometer C2000, John Wiley & Sons, Inc. Nise/Control Systems Engineering, 3/e Figure 1: Components Level Layout of an antenna azimuth position control system 11 V2
-turn potentiometer Differential Power preamplifier M Find field 10000 D. Nad Vorad KNWA Armature G de kan DEN Ng = C2000, John Wiley & Sons, Inc. Nise/Control Systems Engineering, 3/e Figure 2: Schematic diagram of the control system [11 Plant Input transducer Angular Voltage Error proportional Summing or to junction Actuating signal input input Controller Signal and power amplifiers Process Motor, Angular load. output and gears Potentiometer Sensor (output transducer) Voltage proportional to output Potentiometer Figure 3: System components block diagram [1] V2
Desired Azimuth angle K; KA s(s+an) Output Azimuth angle Bols) @() Potantiometer Preamplifier Gears Motor and Power amplifier lond Potantiometer Figure 4: Control System block diagram (11 The system component parameters are given in the table 1 below. Value System Parameters (1.2): Parameters Description K Pre-amplifier Ki Power amplifier gain Power amplifier pole ko Motor load and gain am Motor load and pole K. Gear gain Output transducer gain a 150 5 2.083 1.71 0.5 0.318 Ket References [1] N.S. Nise, "Control System Engineering", 6th Ed. John Wiley & Sons, 2000. [2] Aveen U. and Shahdan S. (2018). "Antenna Azimuth Position Control System using PID Controller & State-Feedback Controller Approach." International Journal of Electrical and Computer Engineering (IECE) Vol. 8, No.3, June 2018, pp. 1539-1550 II V2