Balise
A balise (/bəˈliːz/ bə-LEEZ) is an electronic beacon or transponder placed between the rails of a railway as part of an automatic train protection (ATP) system.[1] Balises are used in the KVB signalling system installed on main lines of the French railway network, other than the high-speed Lignes à Grande Vitesse.Thus a fixed balise can notify a train of its exact location, and the distance to the next signal, and can warn of any speed restrictions.A controllable balise is connected to a Lineside Electronics Unit (LEU), which transmits dynamic data to the train, such as signal indications.A train travelling at maximum speed of 500 km/h (310 mph) will transmit and receive a minimum of three copies of the telegram while passing over each Eurobalise.If the trains control system failed to receive an update, within 1km of the last signal, the displayed speed limit would be blanked an audio tone the driver had to respond to generated, else the trains brakes were automatically applied, the system would be see revenue service from December 1981, with the introduction of the British Rail Class 370.[6] The development of a system using the principle of passive balises with fixed or controlled information started in 1975 by LMEricson and SRT, following an incident in Norway in 1975 (Tretten).The French KVB replaced the external system with balises in the early 1990s to transmit a combined information for oncoming signal aspects and the allowed train speed.
Croco train stopbeacontransponderautomatic train protectionFrenchLignes à Grande VitesseEuropean Train Control SystemEuropean UnionChinese Train Control SystemEurobaliseradio frequencygeometry of the linerailway signalsignalling controlselective door openingJyväskyläMuuramesleeperswrong-side failureIntegra-SignumZUB 121S-Bahn BerlinWest Coast Main LineNortheast Corridormoving blockAutomatic train controlAutomatic train stopCommunications-based train controlEBICABtripcockcab signallingBritish Rail Class 370ZUB 123European Rail Traffic Management SystemAutomatic Warning SystemLinienzugbeeinflussungPositive Train ControlTrain Protection & Warning SystemModern RailwaysRailway signallingBlock systemsAbsolute block signallingAutomatic block signalingCentralized traffic controlDirect traffic controlRadio Electronic Token BlockTrack Warrant ControlTrain order operationBlock postIntegrated Electronic Control CentreInterlockingLever frameRail operating centreSolid State InterlockingWestlock InterlockingSignalsApplication of railway signalsNorth American railroad signalsRailway semaphore signalAxle counterTrack circuitTrack circuit interrupterTreadleTrain protectionAdvanced Civil Speed Enforcement SystemAutomatic train operationAutomatic Train Protection (United Kingdom)Automatische treinbeïnvloedingCatch pointsCityflo 650 CBTCContinuous Automatic Warning SystemContrôle de vitesse par balisesInteroperable Communications Based SignalingCrocodileKorean Train Control SystemPulse code cab signalingPunktförmige ZugbeeinflussungRS4 CodiciSelTracSistema Controllo Marcia TrenoSlide fenceTrain automatic stopping controllerTrain stopTrainguard MTTransmission balise-locomotiveTransmission voie-machineLevel crossing signalsCrossbuckWigwagE-signalWayside hornAdtranzAlstomAŽD PrahaFederalGeneral ElectricGriswoldHitachiHyundai RotemMagneticProgress RailSafetranSiemensSmith and YardleyThalesUnion SwitchWestinghouse Brake & SignalWestinghouse Rail SystemsTransport CanadaAustraliaBavariaBelgiumCanadaFinlandFranceGermanyGreeceNetherlandsNew ZealandNorth AmericaNorwayPolandSwedenSwitzerlandThailandUnited Kingdom