FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W1566672723> ?p ?o ?g. }

• W1566672723 abstract "High speed tilting trains are a smart solution to guarantee shorter travelling time with respect to conventional trains without the need of major investments to renew the railway network. A design issue associated to the train carbody tilting is the need to keep the pantograph centred with respect to the catenary that runs aligned to the rails. The solution used in most tilting trains is to mechanically link the pantograph to the bogie: it is a simple design concept, but the mechanical structure connecting the pantograph to the bogie takes away useful space from the carbody interior. For this reason, a solution used in recent tilting trains is to connect the pantograph to the carbody roof and implement a position control system in order to keep the pantograph centred with the catenary. This paper specifically addresses the case of a pantograph position control performed by two servovalve controlled, spring centred hydraulic actuators mounted in opposite pair, each equipped with a position transducer for position control and system monitoring. The monitoring system presently implemented in this servocontrol detects the servocontrol failures, but in case the two position transducers provide a conflicting information, it is not always able to sort out which of the two transducers is failed. As a result, a position transducer failure always leads to disabling the tilting function and reducing the train speed, and then to remove and replace the entire pantograph, because the functionality of each individual transducer can only be checked at shop level. An advanced diagnostic system was hence developed that can both identify the presence of a failure and recognize which of the two position transducers is the failed one. In case of a transducer failure is thus possible to isolate the failed transducer and keep the pantograph position control operational, thereby retaining the train tilting function. A further merit of the advanced diagnostic system is the reduction of maintenance time and costs because the failed transducer can be replaced without removing the entire pantograph from the train. The merits of the presented health management system were assessed running several simulations of a model representing the dynamic response of a train pantograph. These simulations were performed, both in normal and in failed conditions, in order to assess the ability of the implemented advanced diagnostic system to properly identify a failure of one or both position transducers and to avoid false alarms. The transducers health management process described in this paper was first tested simulating different tracks over the whole range of normal operating and environmental conditions, and appropriate limits for the failure detection were established to prevent false alarms. Then, all types of transducers failures and malfunctionings were injected and the ability of the health management system to recognize them was positively assessed. The results of the entire simulation campaign proved the robustness of the proposed transducers health management system and a confidence was hence gained in its ability to detect a transducer failure or malfunctioning with minimum risk of false alarms or missed failures. The implementation of such health management system on a tilting train will thus enable the tilting operation to continue after a failure of a pantograph lateral position sensor, hence allowing the train to maintain its high speed travel for the remainder of the ride. Furthermore, the positive recognition of a transducer failure would greatly ease the maintenance operation, since the failed transducer can be replaced without the need of removing the entire pantograph assembly from the train roof" @default.
• W1566672723 created "2016-06-24" @default.
• W1566672723 creator A5027850818 @default.
• W1566672723 creator A5046065083 @default.
• W1566672723 creator A5055710147 @default.
• W1566672723 creator A5075386706 @default.
• W1566672723 date "2012-04-10" @default.
• W1566672723 modified "2023-09-24" @default.
• W1566672723 title "Advanced Diagnostics for a Position Control System of the Pantographs of Tilting Trains" @default.
• W1566672723 doi "https://doi.org/10.4203/ccp.98.183" @default.
• W1566672723 hasPublicationYear "2012" @default.
• W1566672723 type Work @default.
• W1566672723 sameAs 1566672723 @default.
• W1566672723 citedByCount "0" @default.
• W1566672723 crossrefType "proceedings-article" @default.
• W1566672723 hasAuthorship W1566672723A5027850818 @default.
• W1566672723 hasAuthorship W1566672723A5046065083 @default.
• W1566672723 hasAuthorship W1566672723A5055710147 @default.
• W1566672723 hasAuthorship W1566672723A5075386706 @default.
• W1566672723 hasConcept C10138342 @default.
• W1566672723 hasConcept C119599485 @default.
• W1566672723 hasConcept C123045823 @default.
• W1566672723 hasConcept C127413603 @default.
• W1566672723 hasConcept C133731056 @default.
• W1566672723 hasConcept C154945302 @default.
• W1566672723 hasConcept C162324750 @default.
• W1566672723 hasConcept C172707124 @default.
• W1566672723 hasConcept C190839683 @default.
• W1566672723 hasConcept C198082294 @default.
• W1566672723 hasConcept C205649164 @default.
• W1566672723 hasConcept C20756127 @default.
• W1566672723 hasConcept C2775924081 @default.
• W1566672723 hasConcept C29279314 @default.
• W1566672723 hasConcept C41008148 @default.
• W1566672723 hasConcept C47446073 @default.
• W1566672723 hasConcept C56318395 @default.
• W1566672723 hasConcept C58640448 @default.
• W1566672723 hasConcept C66938386 @default.
• W1566672723 hasConcept C78519656 @default.
• W1566672723 hasConceptScore W1566672723C10138342 @default.
• W1566672723 hasConceptScore W1566672723C119599485 @default.
• W1566672723 hasConceptScore W1566672723C123045823 @default.
• W1566672723 hasConceptScore W1566672723C127413603 @default.
• W1566672723 hasConceptScore W1566672723C133731056 @default.
• W1566672723 hasConceptScore W1566672723C154945302 @default.
• W1566672723 hasConceptScore W1566672723C162324750 @default.
• W1566672723 hasConceptScore W1566672723C172707124 @default.
• W1566672723 hasConceptScore W1566672723C190839683 @default.
• W1566672723 hasConceptScore W1566672723C198082294 @default.
• W1566672723 hasConceptScore W1566672723C205649164 @default.
• W1566672723 hasConceptScore W1566672723C20756127 @default.
• W1566672723 hasConceptScore W1566672723C2775924081 @default.
• W1566672723 hasConceptScore W1566672723C29279314 @default.
• W1566672723 hasConceptScore W1566672723C41008148 @default.
• W1566672723 hasConceptScore W1566672723C47446073 @default.
• W1566672723 hasConceptScore W1566672723C56318395 @default.
• W1566672723 hasConceptScore W1566672723C58640448 @default.
• W1566672723 hasConceptScore W1566672723C66938386 @default.
• W1566672723 hasConceptScore W1566672723C78519656 @default.
• W1566672723 hasLocation W15666727231 @default.
• W1566672723 hasOpenAccess W1566672723 @default.
• W1566672723 hasPrimaryLocation W15666727231 @default.
• W1566672723 hasRelatedWork W1520564937 @default.
• W1566672723 hasRelatedWork W2002260595 @default.
• W1566672723 hasRelatedWork W2019161138 @default.
• W1566672723 hasRelatedWork W2219055056 @default.
• W1566672723 hasRelatedWork W2314026554 @default.
• W1566672723 hasRelatedWork W2318521692 @default.
• W1566672723 hasRelatedWork W2429969570 @default.
• W1566672723 hasRelatedWork W2553988862 @default.
• W1566672723 hasRelatedWork W2562508630 @default.
• W1566672723 hasRelatedWork W266878753 @default.
• W1566672723 hasRelatedWork W2748478541 @default.
• W1566672723 hasRelatedWork W2768780727 @default.
• W1566672723 hasRelatedWork W2921936767 @default.
• W1566672723 hasRelatedWork W2922361152 @default.
• W1566672723 hasRelatedWork W3162857797 @default.
• W1566672723 hasRelatedWork W3196001519 @default.
• W1566672723 hasRelatedWork W1038942314 @default.
• W1566672723 hasRelatedWork W2188118544 @default.
• W1566672723 hasRelatedWork W2343045337 @default.
• W1566672723 hasRelatedWork W2956784887 @default.
• W1566672723 isParatext "false" @default.
• W1566672723 isRetracted "false" @default.
• W1566672723 magId "1566672723" @default.
• W1566672723 workType "article" @default.