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simulators adheres to ICAO standards• Southern Air Traffic Services of Vietnam: 270-degree Virtual TowerSimulator (implementation in progress)• Civil Aviation Authority of Tanzania: 270-degree Virtual TowerSimulator (see story below)• Civil Aviation Department of Hong Kong: ATC Radar Simulator• Singapore Aviation Academy: 360-degree Virtual Tower Simulator• Airports Authority of India: 360-degree Virtual Tower Simulator• Singapore Aviation Academy: Non-Radar (Procedural) Simulator360 degree Virtual Tower Simulator at Singapore Aviation Academy (SAA).(Photograph courtesy of SAA)To ensure that the simulators meetthe specifications defined by users,ST Electronics conducts a series oftests to demonstrate full complianceof system hardware and software.These form part of the acceptancerequirements of the system and eachsimulator is commissioned based on:• factory Acceptance• on-site Acceptance• load Testing• reliability TestingOverall, the ATC simulators facilitate the conduct of rigorousinstructional sessions to allow trainees to receive complete trainingbased on the actual ATC environment and operations of aircraft. Thisenables them to develop highly specialised skills in ATC and be betterprepared for transition to on-the-job training at the operational units.The cutting edge simulators arespecially tailored for initial andadvanced ATC courses, as wellas operational and refreshertraining. They also enable usersto test and evaluate new Air TrafficManagement concepts, standardsand procedures to cater to futureincrease in air traffic, as well aschanges to airport environments (eg.new taxiways, parking bays) – makinguse of extensive traffic samples andscenarios, and weather conditions.Since its inception, ST Electronicshas grown to become a leadingsystems house for realtime decisionsupport systems, including significantinvolvement in the ATC and defenceindustries in Singapore. For example,the company has delivered one of theworld’s largest integrated ATC Towerand Radar Simulators. Users of itsATC simulators include:Trainees using the 3D aerodrome control tower simulatorATC simulator in TanzaniaIn May 2010, ST Electronics (Info-Software Systems) completed itsinstallation and commissioning ofa three-dimensional aerodromecontrol tower simulator to theTanzania Civil Aviation Authority.With the simulator system,trainees will receive realistictraining in aerodrome controloperations based on actualenvironments and operations.The system simulates day, duskand night operations as wellas a wide range of weatherconditions. It is also capable ofgenerating various scenarios tofacilitate training in the handlingof emergencies.The simulator will enable traineesto develop highly specialisedskills in air traffic controloperations to meet the stringentstandards set by the ICAO.For more information, please contact Patricia Loh at (65) 6413 1620 oremail: patricialoh@stee.stengg.comDECEMBER 2010 25
P R O D U C T S & S E R V I C E SDistributed aperture systemBy Andy Tan, Chief, System Engineering, STELOPAll round surveillance systems havetypically been achieved by connectingmultiple cameras or sensors todisplay monitors, with separate ormultiplexed views for each cameravideo stream. This approach poses achallenge to the operator, particularlyin a dynamic, realtime scenario ormoving platform environment.An operator has to monitor multipleviews to interpret large volumes ofimagery and look for potential targetsof interest. The overlap of informationfrom cameras also often causesdifficulty in target reporting leadingto unnecessary delays to the entiredetection process. Most of today’ssystems rely solely on the operator fordetection of an ‘event’.Further, this approach also presentschallenges to Human FactorEngineering (HFE) considerations.Figure 1 – All-round surveillanceThe presentation of large volumes ofvideo imagery coupled with the effectsof operational stress and fatiguesignificantly reduces the operator’seffectiveness.Distributed Aperture SystemSTELOP’s Distributed Aperture System(DAS) provides solutions to the aboveissues and enhances the performanceof surveillance assets and theiroperators. The product offers apreviously unattainable level of localsituational awareness to platformssuch as armoured vehicles operatingin closed hatch scenarios. The systemis also capable of providing videoimagery information to drivers havingto navigate difficult corners on urbanroads.Features of DAS• Provides instantaneous accessto 360-degree high resolutionrealtime panoramic videoimagery without camera rotationmechanism (no blind spots);• Easily integrates with an existingplatform’s cameras or sensors asit operates from a wide range ofdifferent physical sensor positionsand orientations;• Operator-friendly and intuitiveuser interface with the videopanorama display;• Video panorama can be pannedor zoomed instantaneouslyvia joystick and touch screeninterfaces notwithstandingcamera movements or thepanning and tilting of the system;• Panoramic display preservesintuitive spatial relationships;• Automatic moving target detectionof video stream over the 360degree field of view with realtimevisual and audio alerts;• Requires only single displaydevice for multiple input streams,thus saving space and power forthe platform;• Videos are aligned and presentedwithout distortion, such thatstraight lines in the real worldappear straight on the final imagedisplay;• Operates with cameras orsensors sensitive to any availablewaveband, thus reducing the needfor existing platform modification;Figure 2 - Zoomed-out panoramic viewFigure 3 - Zoomed-in panoramic view• Can be integrated with anindependent high resolutionsteer-able sensor, eg. gunner orcommander sighting system;• Provides driving and orientationsupport to the driver;• Outputs dual video streamthat allows both operators(eg. vehicle commander andtroop commander) to observethe vehicle’s surroundingssimultaneously;• Provides indications of platform’sposition relative to the omnidirectionalscene.The above features of DAS aredivided into two image-processingfunctionalities: ‘Data Extraction’ (thedetection of events) and ‘Visualisation’(the presentation of the multiple videoimages and information).26 ELECTRONICS REVIEW
Page 6 and 7: N E W SST Electronics wins contract
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