Pub Date : 2017-09-01DOI: 10.1109/ICAT.2017.8171635
T. M. Plekhanova, E. Gromova, D. Gromov, Stewart Blakeway, A. Kirpichnikova
This paper considers an application of Dynamic Game Theory with the goal of increasing the performance of a Mobile Ad Hoc Network in relation to increasing packet delivery ratio and reducing end-to-end delay by the strategic placement of drones. A multi-stage sequential game of two players, each with one drone is played out in a scenario depicted by a hexagonal graph, obstacles such as forests are also included. The algorithm for the game has been implemented in JavaScript and the results show that the best strategic locations of the placement of the drones can be established during the sequential moves of the players. Results also show that the Nash Equilibrium is achieved during play.
{"title":"The strategic placement of mobile agents on a hexagonal graph using game theory","authors":"T. M. Plekhanova, E. Gromova, D. Gromov, Stewart Blakeway, A. Kirpichnikova","doi":"10.1109/ICAT.2017.8171635","DOIUrl":"https://doi.org/10.1109/ICAT.2017.8171635","url":null,"abstract":"This paper considers an application of Dynamic Game Theory with the goal of increasing the performance of a Mobile Ad Hoc Network in relation to increasing packet delivery ratio and reducing end-to-end delay by the strategic placement of drones. A multi-stage sequential game of two players, each with one drone is played out in a scenario depicted by a hexagonal graph, obstacles such as forests are also included. The algorithm for the game has been implemented in JavaScript and the results show that the best strategic locations of the placement of the drones can be established during the sequential moves of the players. Results also show that the Nash Equilibrium is achieved during play.","PeriodicalId":112404,"journal":{"name":"2017 XXVI International Conference on Information, Communication and Automation Technologies (ICAT)","volume":"228 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132188208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-09-01DOI: 10.1109/ICAT.2017.8171600
Vincenzo Ricciardi, Manuel Acosta, K. Augsburg, S. Kanarachos, V. Ivanov
The latest braking system architectures for Hybrid (HEV) and Full Electric Vehicles (EV) feature the adoption of the X-by-wire solutions, namely electro-hydraulic (EHB) and electro-mechanical (EMB) braking systems, aimed at providing additional flexibility to the distinctive functions of brake blending and regeneration. Regenerative brakes still need to be supported by conventional friction brakes because of failures occurrence, fully-charged battery conditions, and unexpected variations of the tire-road friction coefficient. In order to achieve a smooth coordinated action between the regenerative and the conventional friction brakes, the brake linings coefficient of friction (BLCF) needs to be monitored. The main contribution of this work lies on the estimation of the BLCF using a tire-model-less approach. In particular, two different observer designs are proposed and compared. Whereas the proposed approach does not rely on any fixed tire modelization, the state estimation is robust against variations in the road friction characteristics and tire uncertainties caused by inflating pressure variations, wear, and aging. The functionality of the developed observers is tested in IPG CarMaker® by employing an experimentally validated EV, equipped with four onboard motors and an EHB system. Braking events are simulated at different deceleration levels on both dry and wet surfaces. Finally, the compensation function against variations in the BLCF is implemented in the EHB controller to achieve constant deceleration levels. Authors envisage that the precise knowledge of the BLCF will contribute to enhance the braking performance and to actively monitor the brake pad wear under different working conditions.
{"title":"Robust brake linings friction coefficient estimation for enhancement of ehb control","authors":"Vincenzo Ricciardi, Manuel Acosta, K. Augsburg, S. Kanarachos, V. Ivanov","doi":"10.1109/ICAT.2017.8171600","DOIUrl":"https://doi.org/10.1109/ICAT.2017.8171600","url":null,"abstract":"The latest braking system architectures for Hybrid (HEV) and Full Electric Vehicles (EV) feature the adoption of the X-by-wire solutions, namely electro-hydraulic (EHB) and electro-mechanical (EMB) braking systems, aimed at providing additional flexibility to the distinctive functions of brake blending and regeneration. Regenerative brakes still need to be supported by conventional friction brakes because of failures occurrence, fully-charged battery conditions, and unexpected variations of the tire-road friction coefficient. In order to achieve a smooth coordinated action between the regenerative and the conventional friction brakes, the brake linings coefficient of friction (BLCF) needs to be monitored. The main contribution of this work lies on the estimation of the BLCF using a tire-model-less approach. In particular, two different observer designs are proposed and compared. Whereas the proposed approach does not rely on any fixed tire modelization, the state estimation is robust against variations in the road friction characteristics and tire uncertainties caused by inflating pressure variations, wear, and aging. The functionality of the developed observers is tested in IPG CarMaker® by employing an experimentally validated EV, equipped with four onboard motors and an EHB system. Braking events are simulated at different deceleration levels on both dry and wet surfaces. Finally, the compensation function against variations in the BLCF is implemented in the EHB controller to achieve constant deceleration levels. Authors envisage that the precise knowledge of the BLCF will contribute to enhance the braking performance and to actively monitor the brake pad wear under different working conditions.","PeriodicalId":112404,"journal":{"name":"2017 XXVI International Conference on Information, Communication and Automation Technologies (ICAT)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116986106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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