Bibliographies thématiques / Bumper subsystem

Littérature scientifique sur le sujet « Bumper subsystem »

Auteur : Grafiati
Publié le 14 mars 2023

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Articles de revues sur le sujet "Bumper subsystem"

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Farkas, L., D. Moens, S. Donders et D. Vandepitte. « Optimisation study of a vehicle bumper subsystem with fuzzy parameters ». Mechanical Systems and Signal Processing 32 (octobre 2012) : 59–68. http://dx.doi.org/10.1016/j.ymssp.2011.11.014.

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Belingardi, Giovanni, Ermias Gebrekidan Koricho et Brunetto Martorana. « Implementation of composite and recyclable thermoplastic materials for automotive bumper subsystem ». International Journal of Automotive Composites 1, no 1 (2014) : 67. http://dx.doi.org/10.1504/ijautoc.2014.064128.

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Fu, Yong Ling, Peng Zhang, Sheng Jun Li et Zhu Feng Li. « Drop Dynamic Simulation for Landing Gear via SimMechanics ». Advanced Materials Research 694-697 (mai 2013) : 77–83. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.77.

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To better reflect the dynamic performance of landing gear, a hybrid modeling method based on Matlab/SimMechanics is proposed as our approach and drop simulations were carried out for it to verify our approach. Firstly, a widely used levered-suspension landing gear is chosen as studying subject. Secondly, the mathematic models of the respective landing gear subsystem were established for the bumper and the tire, while braking control system was imposed via Simulink. Thirdly, SimMechanics was used to integrate all the subsystems into a comprehensive unit by taking advantage of its capability of showing the joint constraint, force reaction of each part, and on-line control law imposing. Lastly drop simulation tests were done on the landing gear model to verify its validity. The simulation results show that our approach can effectively simulate the drop feature, and accordingly provides a foundation for retrofit design in the next step, and thus makes it is valuable for real engineering applications.
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MATSUI, YASUHIRO. « Evaluation of Pedestrian Subsystem Test Method Using Legform and Upper Legform Impactors for Assessment of High-Bumper Vehicle Aggressiveness ». Traffic Injury Prevention 5, no 1 (mars 2004) : 76–86. http://dx.doi.org/10.1080/15389580490430272.

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Totu, Vlad, et Cătălin Alexandru. « Dynamic Simulation of a Motor Vehicle in Virtual Prototyping Environment ». Applied Mechanics and Materials 555 (juin 2014) : 369–74. http://dx.doi.org/10.4028/www.scientific.net/amm.555.369.

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In this paper, we attempt to carry out the dynamic analysis of a motor vehicle, using the virtual prototype developed with the MBS (Multi-Body Systems) software ADAMS. The virtual prototype includes the front and the rear suspension subsystems, the steering subsystem, and the car body subsystem. The experiment designed is one frequently carried by the automotive manufacturers, namely passing over bumps. The connection between wheels (tires) and road (ground) is made using contact forces, which allow modelling how adjacent bodies interact with one another when they collide during the simulation. On the virtual prototype, several measurements have been realized having in view to evaluate the dynamic behaviour of the vehicle.
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Markoska, Elena, Aslak Johansen, Mikkel Baun Kjærgaard, Sanja Lazarova-Molnar, Muhyiddine Jradi et Bo Nørregaard Jørgensen. « Combining Performance Testing and Metadata Models to Support Fault Detection and Diagnostics in Smart Buildings ». Applied System Innovation 2, no 3 (27 août 2019) : 28. http://dx.doi.org/10.3390/asi2030028.

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Performance testing of components and subsystems of buildings is a promising practice for increasing energy efficiency and closing gaps between intended and actual performance of buildings. A typical shortcoming of performance testing is the difficulty of linking a failing test to a faulty or underperforming component. Furthermore, a failing test can also be linked to a wrongly configured performance test. In this paper, we present Building Metadata Performance Testing (BuMPeT), a method that addresses this shortcoming by using building metadata models to extend performance testing with fault detection and diagnostics (FDD) capabilities. We present four different procedures that apply BuMPeT to different data sources and components. We have applied the proposed method to a case study building, located in Denmark, to test its capacity and benefits. Additionally, we use two real case scenarios to showcase examples of failing performance tests in the building, as well as discovery of causes of underperformance. Finally, to examine the limits to the benefits of the applied procedure, a detailed elaboration of a hypothetical scenario is presented. Our findings demonstrate that the method has potential and it can serve to increase the energy efficiency of a wide range of buildings.
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Syahza, Almasdi, Enni Savitri, Brilliant Asmit et Geovani Meiwanda. « Small-scale agricultural product marketing innovation through BUMDes and MSMEs empowerment in coastal areas ». Management Science Letters 11, no 8 (2021) : 2291–300. http://dx.doi.org/10.5267/j.msl.2021.3.015.

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A region’s economic growth depends on the development policies based on the wealth determined from the potential of human, institutional and local resources. Furthermore, tThe development needs to link primary sectors with future processing to increase agricultural products’ added value and marketing competitiveness. This study develops an innovative marketing model in agricultural products for small-scale farmers through village-owned enterprises (BUMDes) and micro, small, and medium enterprises (MSMEs) empowerment in coastal areas. One way of realizing this program is by building agribusiness and agro-industry partnerships that are well-planned and associated with other economic sectors' development. The partnership involves community economic institutions, including BUMDes, credit institutions, farmer entrepreneurs, as well as Micro, Small, and Medium Enterprises. BUMDes is a rural-based business with a legal entity managed by the village government to create added value for the community’s agricultural products. Together with MSMEs, these businesses need to support the agribusiness subsystem's development, including trading in agricultural production facilities and business activities. Furthermore, they need to promote agricultural production, support services, a source of market information for rural communities, the main actors of appropriate technology for agricultural products.
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Kothmire, Manish Vilas, et Prof Dr A. M. Badadhe. « Design, Analysis of Car Knuckel by using ANSYS Workbench ». International Journal for Research in Applied Science and Engineering Technology 10, no 7 (31 juillet 2022) : 1669–74. http://dx.doi.org/10.22214/ijraset.2022.45545.

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Abstract: Steering knuckle is an indispensable part of an automobile vehicle, integrating different subsystems like suspension, brakes and steering. Being the pivot point of the vehicle, it undergoes diverse stacking under rigorous conditions resulting in failure of the component. The objective of this paper is to perform static structural analysis on the knuckle under diverse loadings. This is achieved by designing a generic steering knuckle of a car in CATIA V5R20 and performing the finite element analysis using ANSYS Workbench 14.5. The analysis is carried out under maximum loading condition, braking and bump maneuvering.
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Miller, R. H., G. R. Roelofs et B. F. Smith. « An Experimental Study of Counter-Rotating Cores in Elliptical Galaxies ». International Astronomical Union Colloquium 124 (1990) : 549–54. http://dx.doi.org/10.1017/s0252921100005637.

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Recent observational studies (Franx and Illingworth 1987; Jedrzejewski and Schechter 1988; Bender 1988; Illingworth and Franx 1989) have shown that some elliptical galaxies have a small region near the center that rotates in the opposite direction from the outer parts of the galaxy. Often the rotation in the central part is much faster than that in the outer part. A few other galaxies show a small region near the center that rotates in the same di rection as the rest of the galaxy, but much faster. Either way, the part near the center that shows a strange pattern of rotation (the “core”) has been interpreted as a distinct dynamical subsystem. Very briefly, the observational data seem to be that (1) anomalies show up in rotation curves near the centers of some elliptical galaxies and that (2) galaxies with these strange rotational properties do not show a photometric signature: there are no noticeable bumps in the brightness profile and no unusual shapes of isophotal contours that would suggest an excess of matter concentrated near the center. No strong color variations have been reported. The puzzle is to learn what we can about elliptical galaxies in general, and about galaxies with strange central regions in particular, from these observational facts.
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Mocera, F., S. Martelli et M. Costamagna. « Dynamic behaviour of a battery pack for agricultural applications ». IOP Conference Series : Materials Science and Engineering 1214, no 1 (1 janvier 2022) : 012032. http://dx.doi.org/10.1088/1757-899x/1214/1/012032.

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Abstract Fight and contrast against climate change and global warming can be considered the most important challenge for the next decades. One of the most involved sectors is the one related to the carriage of passengers and goods, and, recently, also the work vehicles too. The agricultural machines and tractors are no exception to this. Indeed, agricultural industry is the second contributor in terms of pollutant emissions. So, research about agricultural machinery is focusing itself about the development of more sustainable propulsion systems such as hybrid or full-electric solutions. One of the most important components of a hybrid or full electric vehicle is the battery pack. The lack of adequate vibration isolation is the main cause of battery pack failure during operation. In the field of the agricultural vehicles, since the maximum speed is quite low and the weight of the various subsystems are high, combined with heavy working cycles, the dynamic analysis of the battery pack focuses on its low frequency behaviour. In this context, this paper focuses the attention on the dynamic behaviour of a battery pack, thought for a plug-in hybrid electric orchard tractor, through simulations obtained taking advantage of FEM and multibody software. In particular, it will be illustrated the dynamic behaviour of the battery pack while the tractor is moving on a bumpy road and when the tractor chassis is subjected to an impulsive load.
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Chapitres de livres sur le sujet "Bumper subsystem"

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Koricho, Ermias, Giovanni Belingardi, Alem Tekalign, Davide Roncato et Brunetto Martorana. « Crashworthiness Analysis of Composite and Thermoplastic Foam Structure for Automotive Bumper Subsystem ». Dans Advanced Composite Materials for Automotive Applications, 129–48. Chichester, UK : John Wiley & Sons Ltd, 2013. http://dx.doi.org/10.1002/9781118535288.ch6.

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Farkas, Laszlo, Cedric Canadas, Stijn Donders, Herman Van der Auweraer et Danny Schildermans. « Optimization Study of a Parametric Vehicle Bumper Subsystem Under Multiple Load Cases ». Dans Recent Advances in Optimization and its Applications in Engineering, 481–90. Berlin, Heidelberg : Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-12598-0_42.

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Actes de conférences sur le sujet "Bumper subsystem"

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Kajzer, Janusz, et Günter Schroeder. « Examination of Different Bumper System Using Hybrid II, RSPD Subsystem and Cadavers ». Dans Stapp Car Crash Conference. 400 Commonwealth Drive, Warrendale, PA, United States : SAE International, 1992. http://dx.doi.org/10.4271/922519.

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Patil, S. A., Rasoul Moradi et Hamid M. Lankarani. « Vehicle Mass Optimization for Frontal Structure Using I-Sight and Study of Weld Parameterization for Mass Improvement ». Dans ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37311.

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In order to meet the Federal Motor Vehicle Safety Standards (FMVSS) requirement, the frontal structure of the vehicle needs to be design to maximize energy absorption in the presence powertrain design layout constraint. This needs the basis for structural optimization using a pragmatic approach. With regards to passive safety of a vehicle, there is a constant increase of the requirements to the BIW (Body in White) stiffness in ever greater extent, without a significant increase in vehicle weight. The primary objective of this study is to demonstrate mass optimization in a virtual tryout chain and generate optimized analytical model that can be leveraged in future assessment of a car. For this, a parameter investigation concerning variation of input data is done using I-sight. Simplified model of the bumper subsystem is developed for the offset crash test to serve as a base for the creation of designs by changing design variables. The optimization is carried out using I-sight to explore design space for this subsystem. Finally the effectiveness of optimized bumper subsystem is examined using full vehicle impact test. The focus of the work is further promoting the trend for light weight construction by weld optimization. Overall, this virtual tryout leads in sustainability by lighter transport on road, thus saving fuel and reducing emission.
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Kim, Sung-Soo, Wan Hee Jeong, Junyoun Jo et Ji-Hyeun Wang. « Mutibody Vehicle Dynamics Analysis Using an Explicit-Implicit Integrator With Subsystem Synthesis Method ». Dans ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47788.

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This paper proposes an explicit-implicit numerical integration method in order to apply to multibody vehicle dynamics model based on a subsystem synthesis method. The subsystem synthesis method can provide effective means to independently analyze each subsystem with virtual reference body. In the proposed method, the explicit integration is used for solving the equations of motion for a base body, while the implicit integration is utilized for obtaining the solutions of the equations of motion for each subsystem. For the purpose of the application of the implicit formulas easily, a subsystem synthesis method with the Cartesian coordinates is developed. In order to show the application viability and effectiveness of the proposed method, an extensive comparative study has been performed through simulations. Then, the proposed method is compared to conventional implicit integration method applied to an overall system. When simulating the bump run of a multibody vehicle model with compliance effect such as bushing elements, the proposed method achieves about 2 times computational speed-up. Furthermore, the simulation study reveals that the larger the number of the attached subsystems is, the better the computational efficiency of the proposed method is than that of the conventional implicit integration method.
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Kim, Sung-Soo, Wan Hee Jeong et Seonghoon Kim. « Compliance Effect Consideration for Real-Time Multibody Vehicle Dynamics Using Quasi-Static Analysis ». Dans ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34739.

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HILS (Hardware-in-the Loop Simulation) vehicle simulator is one of the most effective tools to develop control subsystems for the intelligent vehicles, since expensive vehicle field tests can be replaced with virtual tests in the HILS simulator. In the HILS simulator, the software vehicle dynamics model must be solved in real-time, and it must also reproduce the real vehicle motions. Compliance effects from suspension bush elements significantly influences the vehicle behavior. In order to include such compliance effects to the vehicle model, normally the spring-damper model of the bush elements is used. However, high stiffness of the bush elements hinders real-time simulations. Thus, it is necessary to have an efficient method to include compliance effects for the real-time multibody vehicle dynamics model. In this paper, compliance model for real-time multibody vehicle dynamics is proposed using quasi-static analysis. The multibody vehicle model without bush elements is used based on the subsystem synthesis method which provides real-time computation on the multibody vehicle model. Reaction forces are computed in the suspension subsystem. According to deformation from the quasi-static analysis using reaction forces and bush stiffness, suspension hardpoint locations and suspension linkage orientation are changed. To validate the proposed method, quarter car simulations and full car bump run simulations are carried out comparing with the ADAMS vehicle model with bush elements. CPU times are also measured to see the real-time capabilities of the proposed method.
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Kim, Sung-Soo, et Young-Seok Oh. « A Real-Time Multibody Vehicle Dynamics Model Using a Subsystem Synthesis Method ». Dans ASME 2001 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/detc2001/vib-21311.

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Abstract A real-time multibody vehicle dynamics model has been developed using a subsystem synthesis method in a PC-based workstation. The subsystem synthesis method produces 6 × 6 matrix form of equations of motion for the chassis and small size each of suspension subsystem equations of motion separately. Simulations such as, bump-run, stop-and-go, and brake-in-turn have been carried out. Solutions have been validated to compare with those from the model with the conventional recursive formulation. CPU times taken for simulations have been also measured to verify the real-time simulation capability of the proposed vehicle model.
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