This control system is ideally suited for small and medium aperture antenna applications requiring capabilities. General dynamics 7200 operation and maintenance manual pdf. In 1, an antenna rotor control system arcs has been designed where a controller enforces the given safety, liveness, and realtime control constraints, while selecting a single controllable. Control systems an integral part of any industrial society many applications including transportation, automation, manufacturing, home appliances, helped exploration of the oceans and space examples. The model 123t1 antenna control system provides precision satellite tracking for mobile, transportable and flyaway antennas. The antenna control unit acu is the operator interface point for the system, featuring pc104 based processing and operatorfriendly function menus. The 2200 with the smc 2048, gives more of an oem option with smart motors and a power source provided by the oem or end. Tracking receiver the tracking receiver is a rack mounted receiver that. Jennings institute for telecommunication sciences boulder, co 803053328 prepared for. The ngc antenna control system offers precise, userfriendly control over the basic motorization kits for asc signal corporation antennas with sizes 2. The two loops in the 4way system are completely separatenot connected at the top 2.
The ngc antenna control system offers precise, userfriendly control over the basic motorization kits for cpi antenna systems division antennas with sizes 2. The core module of the antenna control is our satnms acuodm. Summary the acs3000 is a complete kit that provides precision threeaxis control of all the andrew earth antennas from 2. Fault tolerant control ftc system is designed using the ship simulator facility to maintain the tracking functionality. Two major control loops of the antenna control system are the position loop and rate loop. International journal of electrical and computer engineering ijece vol. Availability we understand the need for quick delivery. All parameters are fully programmable and displayed from a pc running a web browser or an existing station monitor and control system. Model 990 antenna control system general dynamics satcom. This article presents the development of the testbed control system model of an array antenna and the analysis of its performance. The system consists of acu rack, adu rack, dbr rack and portable antenna control unit pacu.
A phidgetsbased antenna control system ron chambers, n5qq it started 10 years ago when brent, w5ww, and i decided to throw in together on a contest station. Shortly after, nikola tesla wirelessly lit lamps in his workshop, demonstrated the first remote control toy boat, and established the alternatingcurrent system we use to transfer electricity throughout the world today. The antenna equipment group block diagram 10762a, fig. Page 1 rev n august 20 operation and maintenance manual for the 7200 antenna control system export control warning the disclosure of this document or its contents to nonu.
Dc servomotorbased antenna positioning control system. The ngcidu features a smartrack predictive tracking mode that utilizes a patented threepoint peak algorithm that saves wear on the antenna motors and jacks. Figure 1 is a func tional block diagram of a typical position control loop. It is included in each of the integration form below. The satnms acu product family covers antenna control that means its applications range from positioner only applications up to a full featured adaptive steptrack system. Antenna control systems general dynamics satcom technologies is the worlds leading endtoend provider of groundbased satellite communications products and highprecision scientific and satellite terminals and services. Point the antenna exactly at a target with well defined position, for example the sun. The system is controllable via ethernet or rs232e rs422 serial ports, allowing remote operation or integration with a supervisory monitor and control computer. The detailed block diagram of a satellite antenna tracking system is very lousy. Modeling and simulation of antenna azimuth position. Model 123t1 antenna control system general dynamics.
Zieglernicholsbased pid controller design method 2 this method is applied for a system with a predetermined transfer function. The position loop drives the antenna based on a desired angle command. Current products include a fast tuning hf antenna system 1. Pdf software control systems for smart antenna esat. Comrod designs and manufactures specialised antennas and antenna switching systems for the tactical frequency range 1. The motion control experts at cross company have streamlined this application by designing a standard but configurable antenna position control system using industrial grade controls and mechanics. The two loops are connected properlynot one end of loop a and one end of loop b 5. No data is stored in the controllers acu antenna control unit. The system is controllable via rs232c or rs422 serial ports, allowing for remote operation or integration with a supervisory monitor and control computer. Zieglernicholsbased intelligent fuzzy pid controller.
The electromechanical system includes a base x axis to provide linear travel and an azimuth, or tilt, axis for angular adjustments. Lean manufacturing methods allow us to ship most systems within 30 days of an accepted order. National institute of justice office of science and technology washington, dc 20531 april 2001 ncj 185030. Thus a simplified model of antenna pitching or yawing control system is applied to speed up the design and obtain the key parameters.
You can teach the system to compensate a not correct mounting of the encoders. The antenna control unit acu is the primary control and monitor interface point for the entire system, featuring a friendly touch screen windowed interface. Power drive unit pdu antenna control unit acu azimuth position transducer elevation position transducer portable maintenance control unit pmu tracking. Pdf antenna azimuth position control system using pid. Antenna performance is impacted by features that blocks, reflects and absorbs the signal, and cosite interference can dramatically impair the communication range. Features of the antenna control unit key stroke operation target tracking 3.
The 22002300 antenna control system provides a flexible approach for the higher speed, full motion antenna systems normally used in leomeo applications. Pdf antenna azimuth position control system analysis and. Acss is an antenna pointing system, controlled manually or. Antenna control system performance flexible tracking modes, intuitive menu layouts and a compact parameter set keep your limited motion antenna applications on point. The antenna axis configuration is an elevation over azimuth. Pdf software control systems for smart antenna esat journals academia. Brent was an avid phone op who wouldnt go near a cw paddle, and i a confirmed brass pounder who wouldnt touch a microphone.
Control and pointing challenges of antennas and radio. The antenna control system is the primary control and monitoring interface for the system, featuring a userfriendly interface and menudriven configuration. Cobham satcom tracstar antenna control system advanced. Using this chart, ensure that you have the proper gauge rotator cable based on the distance the control unit will be from the drive unit. The system comprises an antenna control unit acu, tracking receiver unit tru and a power drive unit pdu which are linked via dedicated ethernet connections. The array antenna test bed is a scaled model of the array antenna, designed and built to test antenna control system hardware, to test the development of control software, and to verify the control system algorithms. Alex hb9dri has written an additional very useful documentation how to test, install and interface the system to the antenna. The detected wifi signals are transferred into a mobile device through a wifi adapter.
Using the antenna the tracstar control system is resident on the antenna. However, the fault estimation has proved to be an extremely challenging task. The indoor display idd with the blue box or the 1ru controller interface serve as io devices for the users antenna system. Temperature control flight control process control. The antenna equipment group block diagram 14498, fig. Model 7200 antenna control system key features field proven in. Using this chart, ensure that you have the proper gauge rotator cable based on. Comrod active and passive antenna combiners allow multiple transceivers to share a single antenna, offering superior performance under reallife conditions. The system is configured around the model 7200 antenna control unit acu, contained in a 7inch rackmountable cabinet. Pitype fuzzy controllers for mobile satellite antenna. An introduction to antenna basics technical articles. Our team must analyze the current configuration and determine the stability.
Aug 24, 2016 the video above shows an alternatingcurrent lamp filament being flexed between support points in the presence of a strong magnetic field. The ngc antenna control system is an advanced level antenna control system intended for applications with demanding tracking requirements, complex geometries, and dynamic conditions. Model 950a antenna control system general dynamics. The control system performs digital signal processing of servo loop closures for highly accurate position, tracking, rate and torque bias loops required for large aperture antennas operating at kaband and beyond. It was jack lemmon and walter matthau all over again. The antenna control servo system acss is built to control a 32mtr deep space antenna dsn system. Communications and control for wireless dronebased. The antenna azimuth control system currently available on the market is described as a servo controlled antenna through the use of gears and feedback potentiometers.
The current design lacks any sort of compensator controller that would provide stability control. Ac4100 is an antenna control unit designed for high dynamic systems tracking leo, meo, and geo satellites. Connecting pin1 and pin3 of sl2 for five seconds p3. Antenna azimuth position control system analysis and controller implementation approvals. This provides flexibility in locating the key system components, allows for variable separation distances and. Modeling and simulation of antenna azimuth position control system boban temelkovskia and jugoslav achkoskia amilitary academy general mihailo apostolskiskopje, macedonia accepted 03 march 2014, available online 01 april 2014, vol. Model 990 antenna control system datasheet pdf features system. In the design stage, an analytical model of the control system is developed. The control cable is wired properly between the indoor control unit and the outdoor relay unit 3. Antenna control unit the antenna control unit acu is the primary control and monitor interface point for the entire system, featuring a friendly touch screen windowed interface. The model 74 antenna control system is a microprocessorbased system incorporating digital technology for accurate antenna positioning with high reliability, maximum flexibility, and a straightforward and practical user interface. It contains the cpu, system firmware, control logic io, and position encoding circuitry. Antenna digital control switch user manual for use with tone and antenna telescope 2 5 8 4 7 3 6 9 button guide adjust the table upwards scroll up when in the menu adjust the table downwards scroll down when in the menu adjust the table to preset sitting position scroll to left in the menu adjust the table to preset standing position. Acs1 antenna control system components acu1 antenna control unit the acu1 is a rack mounted control unit that serves as the main point of antenna control.