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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Evaluation of Hydraulically InterconnectedSuspension Systems on TARA Machine

Yu, Jingyao January 2023 (has links)
The TARA machine from Volvo is equipped with hydraulic suspension which can be connected with each other in different ways. The present study focuses on enhancing the dynamic performance of the TARA machine during its operations through the investigation of various hydraulically interconnected suspension (HIS) systems. Employing a comprehensive cosimulation approach using Adams Car (ACar) and MATLAB Simulink, a full-vehicle analysis was conducted. The TARA machine was modeled in ACar, while the Simulink environment was utilized to design the control system and implement the HIS configuration. The HIS system was connected within two wheels, explored with three different connection types: pendulum, cross or individual connections. The model was simulated in pitch, roll, bounce and warp modes, achieved by running on different road conditions generated in ACar. The change of different HIS systems were achieved by manipulation of the hydraulic circuit in Simulink. By analyzing the dynamic performance of the HIS systems in terms of acceleration, the study aims to identify the most favorable HIS configuration on TARA machine. This investigation provides valuable insights for optimizing the overall operational dynamics of TARA machines, thereby contributing to the development of advanced HIS systems in the field. / Den TARA-maskinen från Volvo är utrustad med hydraulisk fjädring som kan kopplas samman på olika sätt. Den aktuella studien fokuserar på att förbättra den dynamiska prestandan hos TARA-maskinen under dess drift genom undersökning av olika hydrauliskt sammanlänkade fjädringssystem (HIS). Genom att använda en omfattande sam-simulering med Adams Car (ACar) och MATLAB Simulink utfördes en helhetsanalys av fordonet. TARA-maskinen modellerades i ACar medan Simulink-miljön användes för att utforma kontrollsystemet och implementera HIS-konfigurationen. HIS-systemet var kopplat mellan två hjul och utforskades med tre olika typer av kopplingar: pendel, korsning eller individuella kopplingar. Modellen simulerades i lutning, roll, studs och förvrängning, vilket åstadkoms genom att köra på olika vägförhållanden genererade i ACar. Förändringen av olika HIS-system åstadkoms genom manipulering av hydraulikkretsen i Simulink. Genom att analysera HIS-systemens dynamiska prestanda i form av acceleration syftar studien till att identifiera den mest fördelaktiga HIS-konfigurationen för TARA-maskinen. Denna undersökning ger värdefulla insikter för att optimera den övergripande operationella dynamiken hos TARA-maskiner och bidrar därmed till utvecklingen av avancerade HIS-system inom området.

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