Relevant bibliographies by topics / Lightweight vehicle

Academic literature on the topic 'Lightweight vehicle'

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Published: 14 March 2023

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Journal articles on the topic "Lightweight vehicle"

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Xie, Yong. "A Comparative Study on the Effectiveness of Lightweight Shipborne Underwater Vehicle Based on Certification Position." Applied Mechanics and Materials 148-149 (December 2011): 478–82. http://dx.doi.org/10.4028/www.scientific.net/amm.148-149.478.

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For the operational effectiveness comparison of lightweight shipborne underwater vehicle,establish and implement anti-ship underwater vehicle’s and two types of lightweight shipborne underwater vehicle’s trajectory and hit probability model,proposed the method of certification position for lightweight shipborne underwater vehicle,given the operational effectiveness calculation model.Finally,through the practical example of two types of lightweight shipborne underwater vehicle’s operational effectiveness comparison.The calculation results testify that this method is feasibility and effectiveness.The research is of great reference value for the assess different types of lightweight shipborne underwater vehicle.
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Stabile, Pietro, Federico Ballo, Gianpiero Mastinu, and Massimiliano Gobbi. "An Ultra-Efficient Lightweight Electric Vehicle—Power Demand Analysis to Enable Lightweight Construction." Energies 14, no. 3 (February 1, 2021): 766. http://dx.doi.org/10.3390/en14030766.

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A detailed analysis of the power demand of an ultraefficient lightweight-battery electric vehicle is performed. The aim is to overcome the problem of lightweight electric vehicles that may have a relatively bad environmental impact if their power demand is not extremely reduced. In particular, electric vehicles have a higher environmental impact during the production phase, which should be balanced by a lower impact during the service life by means of a lightweight design. As an example of an ultraefficient electric vehicle, a prototype for the Shell Eco-marathon competition is considered. A “tank-to-wheel” multiphysics model (thermo-electro-mechanical) of the vehicle was developed in “Matlab-Simscape”. The model includes the battery, the DC motors, the motor controller and the vehicle drag forces. A preliminary model validation was performed by considering experimental data acquisitions completed during the 2019 Shell Eco-marathon European competition at the Brooklands Circuit (UK). Numerical simulations are employed to assess the sharing of the energy consumption among the main dissipation sources. From the analysis, we found that the main sources of mechanical dissipation (i.e., rolling resistance, gravitational/inertial force and aerodynamic drag) have the same role in the defining the power consumption of such kind of vehicles. Moreover, the effect of the main vehicle parameters (i.e., mass, aerodynamic coefficient and tire rolling resistance coefficient) on the energy consumption was analyzed through a sensitivity analysis. Results showed a linear correlation between the variation of the parameters and the power demand, with mass exhibiting the highest influence. The results of this study provide fundamental information to address critical decisions for designing new and more efficient lightweight vehicles, as they allow the designer to clearly identify which are the main parameters to keep under control during the design phase and which are the most promising areas of action.
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Mei, Lin, and Li Xiaoke. "Key Technologies of Lightweight Materials for New Energy Vehicles Based on Ant Colony Algorithm." Computational Intelligence and Neuroscience 2022 (June 17, 2022): 1–8. http://dx.doi.org/10.1155/2022/1617814.

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From the perspective of the new energy vehicle, application of lightweight technology can effectively improve the endurance level of new energy vehicles and promote the steady improvement and rapid development of China’s new energy vehicle industry. By keeping in view the importance of lightweight effect of new energy vehicles, in this paper, we have carried out an in-depth analysis of key contents such as new materials, battery weight, carbon fiber technology, and structural design technology in the process of lightweight development of new energy vehicles. Furthermore, this paper introduces the pseudorandom proportional rule to improve the selection method of the seed solution, makes appropriate random disturbance to the center of the pheromone distribution, and reforms the standard deviation of the pheromone distribution. Taking the lightweight of new energy vehicle doors as an example, this paper verifies the new energy vehicle lightweight algorithm based on ant colony algorithm. It is found that the improved continuous domain basic ant colony algorithm is superior to the other two algorithms and it has the capacity to solve optimization problems and has the advantages of high reliability.
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LIN, Shih-Pin, Yuichiro TAKINO, Yoshihiro SUDA, Masahisa KAGEYAMA, Atsushi TANIMOTO, and Shinichiro KOGA. "2F23 Study on Lightweight Railway Vehicle Dynamics in Wet Condition (Vehicles-Rail/Wheel)." Proceedings of International Symposium on Seed-up and Service Technology for Railway and Maglev Systems : STECH 2015 (2015): _2F23–1_—_2F23–6_. http://dx.doi.org/10.1299/jsmestech.2015._2f23-1_.

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Hyunhee Park, Hyunhee Park. "Edge Based Lightweight Authentication Architecture Using Deep Learning for Vehicular Networks." 網際網路技術學刊 23, no. 1 (January 2022): 195–202. http://dx.doi.org/10.53106/160792642022012301020.

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<p>When vehicles are connected to the Internet through vehicle-to-everything (V2X) systems, they are exposed to diverse attacks and threats through the network connections. Vehicle-hacking attacks in the road can significantly affect driver safety. However, it is difficult to detect hacking attacks because vehicles not only have high mobility and unreliable link conditions, but they also use broadcast-based wireless communication. To this end, V2X systems need a simple but a powerful authentication procedure on the road. Therefore, this paper proposes an edge based lightweight authentication architecture using a deep learning algorithm for road safety applications in vehicle networks. The proposed lightweight authentication architecture enables vehicles that are physically separated to form a vehicular cloud in which vehicle-to-vehicle communications can be secured. In addition, an edge-based cloud data center performs deep learning algorithms to detect car hacking attempts, and then delivers the detection results to a vehicular cloud. Extensive simulations demonstrate that the proposed authentication architecture significantly enhanced the security level. The proposed authentication architecture has 94.51 to 99.8% F1-score results depending on the number of vehicles in the intrusion detection system using control area network traffic.</p> <p>&nbsp;</p>
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Dittmar, Harri, and Henrik Plaggenborg. "Lightweight vehicle underbody design." Reinforced Plastics 63, no. 1 (January 2019): 29–32. http://dx.doi.org/10.1016/j.repl.2017.11.014.

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Mao, Ping Huai, Shuai Zhang, Li Bao Wang, and Yi Lin Mao. "Analysis of Lightweight Extension Support Coal Mine Car Loader." Applied Mechanics and Materials 687-691 (November 2014): 593–96. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.593.

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Horizontal support extending loader vehicle is used in coal mine, whose main role is to play a supportive role in belt transport unit. When the support car is pulled by tractor or pushed by motor vehicle, energy consumption is high with its own excessive weight. The car lightweight design is carried out through structural designing and material changing. Lightweight design has met the requirements after analysis. Lightweight design for support vehicle is not only to achieve the purpose of energy conservation, but also make the support vehicles assembling easily and get a good effect.
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Busarac, Nina, Dragan Adamovic, Nenad Grujovic, and Fatima Zivic. "Lightweight Materials for Automobiles." IOP Conference Series: Materials Science and Engineering 1271, no. 1 (December 1, 2022): 012010. http://dx.doi.org/10.1088/1757-899x/1271/1/012010.

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Abstract This paper deals with vehicle lightweighting, as a strategy to help attain sustainability in the automotive industry by facilitating improved fuel economy. We reviewed innovative materials appropriate for the manufacturing of low-carbon vehicles (LCVs), such as advanced high-strength steel (AHSS), aluminum alloys, magnesium alloys, as well as novel composite materials commonly used for lightweight construction applications. Research shows that vehicle curb weight greatly affects fuel consumption. Primary weight reduction refers to body-in-white (BIW), which can subsequently lead to secondary weight reductions in terms of engine and powertrain size. This review takes into account the environmental aspect of the car body material and the possibility of closed-loop recycling, especially for aluminum and magnesium alloys.
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Almuhaideb, Abdullah M., and Sammar S. Algothami. "ECQV-Based Lightweight Revocable Authentication Protocol for Electric Vehicle Charging." Big Data and Cognitive Computing 6, no. 4 (September 27, 2022): 102. http://dx.doi.org/10.3390/bdcc6040102.

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In the near future, using electric vehicles will almost certainly be required for the sustainability of nature and our planet. The most significant challenge that users are concerned about is the availability of electric vehicle charging stations. Therefore, to maximize the availability of electric vehicle charging stations, we suggest taking benefit from individual sellers who produce renewable energy from their homes or electric vehicle owners who have charging piles installed in their homes. However, energy services that are rapidly being offered by these businesses do not have a trust connection developed with the consumers and stakeholders in these new systems. Exchange of data related to electric vehicles and energy aggregators can be used to identify users’ behavior and compromise their privacy. Consequently, it is necessary to set up a charging system that will guarantee privacy and security. Several electric vehicle charging systems have been proposed to provide security and privacy preservation. However, ensuring anonymity alone is not enough to guarantee protection from reconstructing the victim vehicle’s route by the tracking adversary, even if the exchanged messages are completely anonymous. Furthermore, anonymity should not be absolute in order to protect the system and function as necessary by all entities. In this research, we propose an effective, secure, and privacy-preserving authentication method based on the Elliptic Curve Qu–Vanstone for an electric vehicle charging system. The proposed scheme provides all the necessary requirements and a reauthentication protocol to minimize the overhead of subsequent authentication processes. To create credentials and validate electric vehicles and energy aggregators, the scheme makes use of the Elliptic Curve Qu–Vanstone implicit certificate mechanism. The new protocols give EVs security and privacy while cutting computational time by 95% thanks to reauthentication, as demonstrated by the performance comparison with earlier works.
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Obradović, Đorđe, Živorad Mihajlović, Vladimir Milosavljević, and Miloš B. Živanov. "Graphic LCD for Lightweight Electric Vehicles." Key Engineering Materials 543 (March 2013): 163–66. http://dx.doi.org/10.4028/www.scientific.net/kem.543.163.

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In this paper, one solution of graphic LCD control board for lightweight electric vehicles is shown. The main idea was to build adoptable hardware solution that can be fast and easy applied in different electrical vehicles and easy for modifications. It was designed, built and tested graphic LCD for monitoring and seting up of main parameters and control signals for lightweight electric vehicle. Some of parameters that could be displayed on graphic LCD are charge status, actual speed, total mileage, daily mileage and indicators of direction. Also we discussed about other possibilities for some sensors that can be used to monitor vehicle speed and ways of visualizing the parameters of interest. The main principles that were used during the selection of hardware solutions implementation also are shown.
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Dissertations / Theses on the topic "Lightweight vehicle"

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Davis, Mark E. (Mark Edward). "Design of a lightweight, multipurpose underwater vehicle." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/12646.

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Constantin, Hannah. "Carbon fibre reinforced aluminium for lightweight vehicle structures." Thesis, University of Nottingham, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.718465.

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The impact of human activity on the environment is significant. One way to reduce our carbon footprint is to decrease the mass of passenger vehicles, improving fuel efficiency. In addition, the use of recycled materials can reduce environmental impact further. The aim of this project is to fabricate and evaluate novel recycled carbon fibre reinforced aluminium as a lightweight material for passenger vehicles. Recycled carbon fibre reinforced aluminium materials were fabricated by gas pressure infiltration. The infiltration behaviour of the preforms was quantified by mercury intrusion porosity, compared to other preform types, and compared to composite materials fabricated at different pressures. Recycled carbon fibre reinforced aluminium materials can be fabricated by gas pressure infiltration, using less than 12 bar gas pressure, resulting in fibres occupying approximately 11% of the material volume. A sodium silicate binder was utilised in an effort to increase the fibre packing fraction and improve preform handle-ability. Silicon was added to the aluminium matrix to inhibit the formation of aluminium carbide during fabrication at the fibre/matrix interface. Although this was not successful, the composite materials containing silicon exhibited reduced porosity and fibre breakage, and no aluminium carbide was observed after up to 4 hours of heat treatment. Nickel-coated carbon fibre was used to improve the wetting behaviour between the fibres and the matrix, which reduced the required pressure for infiltration with aluminium by five times. The mechanical properties of the composite material were evaluated using wear testing and a novel small-specimen creep test. The testing specimen size may not be representative of the composite material as a whole, as in most cases, the addition of carbon fibres had a deleterious effect on the mechanical properties of the material.
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Worley, Marilyn Elizabeth. "Experimental Study on the Mobility of Lightweight Vehicles on Sand." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/34005.

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This study focuses on developing a better comprehension of the mobility of lightweight autonomous vehicles with varying locomotion platforms on sand. This research involves four segments.

The first segment is a review of military criteria for the development of lightweight unmanned ground vehicles, followed by a review a review of current methodologies for evaluating the terramechanic (vehicle-ground interaction) mobility measures of heavyweight wheeled and tracked vehicles, and ending with a review of the defining properties of deformable terrain with specific emphasis on sand. These present a basis for understanding what currently defines mobility and how mobility is quantified for traditional heavyweight wheeled and tracked vehicles, as well as an understanding of the environment of operation (sandy terrain) for the lightweight vehicles in this study.

The second segment involves the identification of key properties associated with the mobility and operation of lightweight vehicles on sand as related to given mission criteria, so as to form a quantitative assessment system to compare lightweight vehicles of varying locomotion platforms. A table based on the House of Quality shows the relationships—high, low, or adverse—between mission profile requirements and general performance measures and geometries of vehicles under consideration for use. This table, when combined with known values for vehicle metrics, provides information for an index formula used to quantitatively compare the mobility of a user-chosen set of vehicles, regardless of their methods of locomotion. This table identifies several important or fundamental terramechanics properties that necessitate model development for robots with novel locomotion platforms and testing for lightweight wheeled and tracked vehicles so as to consider the adaptation of counterpart heavyweight terramechanics models for use.

The third segment is a study of robots utilizing novel forms of locomotion, emphasizing the kinematics of locomotion (gait and foot placement) and proposed starting points for the development of terramechanics models so as to compare their mobility and performance with more traditional wheeled and tracked vehicles. In this study several new autonomous vehicles—bipedal, self-excited dynamic tripedal, active spoke-wheel—that are currently under development are explored.

The final segment involves experimentation of several lightweight vehicles and robots on sand. A preliminary experimentation was performed evaluating a lightweight autonomous tracked vehicle for its performance and operation on sand. A bipedal robot was then tested to study the foot-ground interaction with and sinkage into a medium-grade sand, utilizing a one of the first-developed walking gaits. Finally, a comprehensive set of experiments was performed on a lightweight wheeled vehicle. While the terramechanics properties of wheeled and tracked vehicles, such as the contact patch pressure distribution, have been understood and models have been developed for heavy vehicles, the feasibility of extrapolating them to the analysis of light vehicles is still under analysis. A wheeled all-terrain vehicle was tested for effects of sand gradation, vehicle speed, and vehicle payload on measures of pressure and sinkage in the contact patch, and preliminary analysis is presented on the sinkage of the wheeled all-terrain vehicle.

These four segments—review of properties of sandy terrain and measures of and criteria for the mobility of lightweight vehicles operating on sandy terrain, the development of the comparison matrix and indexing function, modeling and development of novel forms of locomotion, and physical experimentation of lightweight tracked and wheeled vehicles as well as a bipedal robot—combine to give an overall picture of mobility that spans across different forms of locomotion.
Master of Science

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Wallis, Lauren. "Lightweight lead acid batteries for hybrid electric vehicle applications." Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/378338/.

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This report presents architectures, designs and chemistries for novel static soluble lead acid batteries, with the objective of producing a lightweight lead acid battery for improved specific energy. The demands for lightweight lead-acid batteries come from an expanding hybrid electric vehicle market demanding improved battery specific energy. There are several avenues for improving battery specific energy; the main two are improved active material utilisation efficiency and grid weight reduction. Both of these have been focuses of this project. Two approaches have been taken in this project, the first is focussed on the electrode design. Design modifications have been achieved by using novel grid materials to reduce weight and novel electrode designs to improve active material utilisation. Battery electrodes were built from titanium and the active material was applied as a thin film of lead. Characterisation of lead coatings on several material geometries under different plating regimes was conducted. A novel thin-film active material battery was designed, built and tested satisfactorily to industrial standards. The second battery system being investigated has the active materials solvated in the methanesulphonic acid electrolyte during the discharged state. Due to the high solubility of lead in this Pb-CH3SO3H electrolyte, lead-acid batteries with this chemistry have a theoretical specific energy of 35.7 Ah l-1. This compares favourably with the specific energy for a conventional spiral wound VRLA battery at 44.4 Ah l-1. These soluble lead acid batteries operate by a mechanism whereby cycling is stripping and plating lead and lead dioxide onto the electrodes. Active material utilisation in this type of lead-acid battery is not limited in the same way as conventional lead-acid batteries, as the discharge product is not electrically insulating, as is lead sulphate. The operation mechanism was improved by using additives in the electrolyte to maintain a quality deposit and preserve charge efficiency, voltage efficiency and active mass utilisation. In addition, the use of a separator membrane and novel carbon-polymer electrodes improved battery performance further. The behaviour of a static soluble lead acid battery during cycling with and without additives and a cell membrane is characterised and the results are used to develop a 6 V battery. The results of the 6 V battery cycling under HEV simulated cycling are presented and discussed.
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Daniel, Ajay. "Suspension design for Uniti, a lightweight urban electric vehicle." Thesis, KTH, Fordonsdynamik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-234900.

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Climate change is real and the automotive industry is no longer in denial that electrification of vehicles is the future. But what if there is a better solution to meeting the commuting requirements in an urban environment than a form of a car that we are so familiar with? Something which gives the freedom of mobility like a car but is more practical. Perhaps a Uniti? Uniti aims at providing a smart solution to urban commute, something which is sustainable, fun and in step with the strides made in technology. This involved starting from a clean slate and attacking the very fundamental problem; a two-ton machine meant for carrying four to five people being used by only one person for majority of its lifespan, which makes all the more less sense in an urban environment. Hence came into life Uniti; a lightweight electric vehicle in the L7e category designed to be the second family car. Designing such a vehicle from the standpoint of vehicle dynamics is tricky as the user shapes the mass of the vehicle significantly. The driver and passenger in this vehicle accounts for almost a quarter of the total weight. That along with the high unsprung mass coming with the use of in wheel electric motors makes this project all the more challenging. The thesis is aimed at providing a starting point to build on to a robust suspension design. The fundamentals of vehicle dynamics were used to build up mathematical models in MATLAB and simulations were done with ADAMS/Car to study and optimize the design. All said and done the scope of the work was limited considering it had to be built from scratch but the models developed and the concepts laid out would hopefully be a good foundation to develop it into the prefect one.
Klimatförändringarna är verkliga och bilindustrin kan inte längre förneka att elektrifiering av fordon är framtiden. Men vad händer om det finns en bättre lösning för att uppfylla pendlingskraven i en stadsmiljö än en form av bil som vi är så bekanta med? Något som ger fri rörlighet som en bil men är mer praktisk. Kanske en Uniti? Uniti har som målsättning att erbjuda en smart lösning för urban pendling, något som är hållbart, roligt och i takt med de framsteg som gjorts inom tekniken. Detta innebar att man startade från ett tomt papper och attackera det mycket grundläggande problemet; en två ton maskin som är avsedd att bära fyra till fem personer som används av endast en person för majoriteten av sin livslängd, vilket är mindre önskvärt i en stadsmiljö. Därför kom Uniti till livet; ett lätt elfordon i L7e-kategorin som är konstruerad för att vara den andra familjebilen. Att utforma ett sådant fordon utifrån fordonets dynamik är svårt eftersom användaren förändrar fordonets massa väsentligt. Föraren och passageraren i detta fordon står för nästan en fjärdedel av den totala vikten. Detta tillsammans med den höga ofjädrade massan pga hjulmotorer gör det mer utmanande. Examensarbetet syftar till att skapa en utgångspunkt att bygga vidare på för en robust hjulupphängningsdesign. Grunder i fordonsdynamik användes för att bygga upp matematiska modeller i MATLAB och simuleringar gjordes med ADAMS / Car för att studera och optimera designen. Arbetets omfattning var begränsat med tanke på att allt behövde byggas från början, men modellerna som utvecklats och de koncept som lagts fram ska förhoppningsvis vara en bra grund för att utveckla vidare.
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Johnson, Christopher Patrick. "Comparative Analysis of Lightweight Robotic Wheeled and Tracked Vehicle." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/76994.

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This study focuses on conducting a benchmarking analysis for light wheeled and tracked robotic vehicles. Vehicle mobility has long been a key aspect of research for many organizations. According to the Department of Defense vehicle mobility is defined as, "the overall capacity to move from place to place while retaining its ability to perform its primary mission"[1]. Until recently this definition has been applied exclusively to large scale wheeled and tracked vehicles. With new development lightweight ground vehicles designed for military and space exploration applications, the meaning of vehicle mobility must be revised and the tools at our disposal for evaluating mobility must also be expanded. In this context a significant gap in research is present and the main goal of this thesis is to help fill the void in knowledge regarding small robotic vehicle mobility assessment. Another important aspect of any vehicle is energy efficiency. Thus, another aim of this study is to compare the energy needs for a wheeled versus tracked robot, while performing similar tasks. The first stage of the research is a comprehensive review of the state-of-the-art in vehicle mobility assessment. From this review, a mobility assessment criterion for light robots will be developed. The second stage will be outfitting a light robotic vehicle with a sensor suite capable of capturing relevant mobility criteria. The third stage of this study will be an experimental investigation of the mobility capability of the vehicle. Finally the fourth stage will include quantitative and qualitative evaluation of the benchmarking study.
Master of Science
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Barbalata, Corina. "Modelling and control of lightweight underwater vehicle-manipulator systems." Thesis, Heriot-Watt University, 2017. http://hdl.handle.net/10399/3279.

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This thesis studies the mathematical description and the low-level control structures for underwater robotic systems performing motion and interaction tasks. The main focus is on the study of lightweight underwater-vehicle manipulator systems. A description of the dynamic and hydrodynamic modelling of the underwater vehicle-manipulator system (UVMS) is presented and a study of the coupling effects between the vehicle and manipulator is given. Through simulation results it is shown that the vehicle’s capabilities are degraded by the motion of the manipulator, when it has a considerable mass with respect to the vehicle. Understanding the interaction effects between the two subsystems is beneficial in developing new control architectures that can improve the performance of the system. A control strategy is proposed for reducing the coupling effects between the two subsystems when motion tasks are required. The method is developed based on the mathematical model of the UVMS and the estimated interaction effects. Simulation results show the validity of the proposed control structure even in the presence of uncertainties in the dynamic model. The problem of autonomous interaction with the underwater environment is further addressed. The thesis proposes a parallel position/force control structure for lightweight underwater vehicle-manipulator systems. Two different strategies for integrating this control law on the vehicle-manipulator structure are proposed. The first strategy uses the parallel control law for the manipulator while a different control law, the Proportional Integral Limited control structure, is used for the vehicle. The second strategy treats the underwater vehicle-manipulator system as a single system and the parallel position/force law is used for the overall system. The low level parallel position/force control law is validated through practical experiments using the HDT-MK3-M electric manipulator. The Proportional Integral Limited control structure is tested using a 5 degrees-of-freedom underwater vehicle in a wave-tank facility. Furthermore, an adaptive tuning method based on interaction theory is proposed for adjusting the gains of the controller. The experimental results show that the method is advantageous as it decreases the complexity of the manual tuning otherwise required and reduces the energy consumption. The main objectives of this thesis are to understand and accurately represent the behaviour of an underwater vehiclemanipulator system, to evaluate this system when in contact with the environment and to design informed low-level control structures based on the observations made through the mathematical study of the system. The concepts presented in this thesis are not restricted to only vehicle-manipulator systems but can be applied to different other multibody robotic systems.
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Magnusson, Tobias. "Conceptual sandwich-sandwich-steel joint design for lightweight rail vehicle." Thesis, KTH, Lättkonstruktioner, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-159283.

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In order to find a feasible solution for a joining method of a sandwich side-wall, a sandwichfloor and a steel underbody of a railway vehicle, conceptual joint designs have been devel- oped by using structural optimization software.  It is shown that the joints are capable of carrying the loads assumed to act on the structure but that  several improvements to theanalysis needs to be done to assure a safe design.
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Marino, Michael A. "Precession damping and axial velocity control of a lightweight reentry vehicle." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/41239.

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Polakowski, Matthew Ryan. "An Improved Lightweight Micro Scale Vehicle Capable of Aerial and Terrestrial Locomotion." Case Western Reserve University School of Graduate Studies / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=case1334600182.

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Books on the topic "Lightweight vehicle"

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Hodkinson, Ron. Lightweight electric/hybrid vehicle design. Warrendale, PA: SAE International, 2001.

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Ron, Hodkinson, ed. Lightweight electric/hybrid vehicle design. Boston: Butterworth-Heinemann, 2001.

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Wagner, David, Jeff L. Conklin, Matthew Zaluzec, and Timothy W. Skszek. The Multi Material Lightweight Vehicle (MMLV) Project. Warrendale, PA: SAE International, 2015. http://dx.doi.org/10.4271/pt-170.

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United States. National Aeronautics and Space Administration., ed. Taurus lightweight manned spacecraft: Earth orbiting vehicle. [College Park, Md.]: University of Md., Aerospace Engineering, 1991.

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Engineers, Society of Automotive, and SAE World Congress (2005 : Detroit, Mich.), eds. Achieving lightweight vehicles 2005. Warrendale, Pa: Society of Automotive Engineers, 2005.

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Fenton, John. Lightweight Electric. S.l: Society of Automotive Engineers, 2001.

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Egede, Patricia. Environmental Assessment of Lightweight Electric Vehicles. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-40277-2.

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Materials, design and manufacturing for lightweight vehicles. Boca Raton, Fla: CRC Press, 2010.

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Rajulu, Sudhakar L. Lightweight seat lever operation characteristics. Houston, Tex: National Aeronautics and Space Administration, Lyndon B. Johnson Space Center, 1999.

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Use of lightweight materials in 21st century army trucks. Washington, D.C: National Academies Press, 2003.

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Book chapters on the topic "Lightweight vehicle"

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Ballo, Federico Maria, Massimiliano Gobbi, Giampiero Mastinu, and Giorgio Previati. "Structural Optimisation in Road Vehicle Components Design." In Optimal Lightweight Construction Principles, 233–70. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60835-4_13.

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Kriescher, Michael, Sebastian Scheibe, and Tilo Maag. "Development of the Safe Light Regional Vehicle (SLRV): A Lightweight Vehicle Concept with a Fuel Cell Drivetrain." In Small Electric Vehicles, 179–89. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65843-4_14.

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AbstractThe safe light regional vehicle (SLRV) concept was developed within the DLR project next-generation car (NGC). NGC SLRV addresses the safety concern of typical L7e vehicles. The SLRV is therefore specifically designed to demonstrate significant improvements to the passive safety of small vehicles. Another important goal of the NGC SLRV concept is to offer solutions to some of the main challenges of electric vehicles: to provide an adequate range and at the same time a reasonable price of the vehicle. In order to address these challenges a major goal of the concept is to minimize the driving resistance of the vehicle, by use of lightweight sandwich structures. A fuel cell drivetrain also helps to keep the overall size and weight of the vehicle low, while still providing sufficient range.
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Singh, Arun Kumar, R. J. H. Wanhill, and N. Eswara Prasad. "Lightweight Ballistic Armours for Aero-Vehicle Protection." In Aerospace Materials and Material Technologies, 541–57. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2143-5_25.

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Kriegler, Wolfgang, Martin Gossar, Thomas Lechner, Dietmar Hofer, and Henning Sommer. "eCULT – a lifestyle, purist, lightweight urban vehicle." In Proceedings, 53–71. Wiesbaden: Springer Fachmedien Wiesbaden, 2019. http://dx.doi.org/10.1007/978-3-658-26056-9_4.

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Marumo, R., O. B. Molwane, and A. Agarwal. "Numerical Analysis of Rear Spoilers in Improving Vehicle Traction." In Advances in Lightweight Materials and Structures, 165–73. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7827-4_16.

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Mohrbacher, Hardy, and Christian Klinkenberg. "The Role of Niobium in Lightweight Vehicle Construction." In Materials Science Forum, 679–86. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-426-x.679.

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Mohamad Junaida, L. H., and N. Sakundarini. "Material Selection for Lightweight Design of Vehicle Component." In Lecture Notes in Mechanical Engineering, 1001–15. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-9505-9_88.

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Pototzky, Alexander, Daniel Stefaniak, and Christian Hühne. "POTENTIALS OF LOAD CARRYING CONDUCTOR TRACKS IN NEW VEHICLE STRUCTURES." In Technologies for economical and functional lightweight design, 79–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-58206-0_8.

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Agarwal, A., R. Marumo, O. B. Molwane, and I. Pitso. "Transient Thermal Analysis of Vehicle Air Conditioning System by Varying Air Vent Location." In Advances in Lightweight Materials and Structures, 771–80. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7827-4_78.

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Daberkow, Andreas, Stephan Groß, Christopher Fritscher, and Stefan Barth. "An Energy Efficiency Comparison of Electric Vehicles for Rural–Urban Logistics." In Small Electric Vehicles, 85–96. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65843-4_7.

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AbstractIn many small and medium-sized businesses in rural–urban areas, delivery services to and from customers, suppliers, and distributed locations are required regularly. In contrast to purely urban commercial centres, the distances here are larger. The aim of this paper is to identify opportunities for substituting combustion-engine logistics with lightweight electric commercial vehicles and the limitations thereto, describing an energy efficiency comparison and improvement process for a defined logistics application. Thus, the area of Heilbronn-Franconia and its transport conditions are presented as examples to compare the use case to standard driving cycles. Then the logistic requirements of Heilbronn UAS (University of Applied Science) locations and the available vehicles as well as further electric vehicle options are depicted. Options are discussed for the additional external payload in search of transport volume optimisation without increasing the vehicle floor space. To this end, simulation models are developed for the aerodynamic examination of the enlarged vehicle body and for determining energy consumption. Consumption and range calculation lead to vehicle concept recommendations. These research activities can contribute to the transformation of commercial electro mobility in rural and urban areas in many parts of Germany and Europe.
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Conference papers on the topic "Lightweight vehicle"

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Gur, Yuksel, Rick Wykoff, Kenneth E. Nietering, and David A. Wagner. "NVH Performance of Lightweight Glazing Materials in Vehicle Design." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89439.

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Fuel economy and NVH (noise, vibration, and harshness) performance of vehicles are important parameters in a customer’s vehicle purchase decision. Lightweight vehicle designs are necessary to help with fuel economy improvements. In this research work, the weight saving potential and NVH performance of different lightweight glazing materials are investigated to help the lightweight design effort. The lightweight glazing materials included in this study are “Material A”, “Material B”, “Material C” with regular lamination, and “Material C” with acoustic lamination. The results of this research work indicate that the lightweight glazing materials have 30% to 40% weight saving potentials without NVH penalty. These materials have much higher damping properties than conventional tempered glass so they can compensate for the mass reduction influence on vehicle NVH. The tire patch noise reduction, vehicle transparency, and wind noise results of “Vehicle A” tested with different lightweight backlight designs indicate that there is almost no acoustic response difference between the tempered glass and other lightweight alternative backlight designs. Damping loss factor measurements indicate that “Material C” with acoustic PVB (polyvinyl-butyral) has the highest damping loss factor value of 37%. The “Material C” backlight with acoustic PVB is the best among all the lightweight alternatives and brings 29% weight reduction without any NVH degradation. Statistical Energy Analysis (SEA) results also indicate that it is possible to eliminate the NVH degradation by using glazing material having high material damping properties or using laminated panels having damping loss values in the range of 6% to 20%. In this paper, we only address the weight reduction and NVH performance of light weight glazing materials but not the costs or any potential assembly procedure changes.
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Lee, Seok, Taehyun Shim, and Byung-Kwan Cho. "Development of a Brake System for Lightweight Vehicle." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-15437.

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With a growing demand for improved fuel efficiency and reduced emissions, lightweight vehicles have gained strong attention in current automotive industry. This paper discusses the development of a brake system for a lightweight vehicle that has significant weight variations. A conventional brake system was first designed and its performance was assessed. In order to improve the brake efficiency and prevent wheel lockup under all loading cases, antilock brake system (ABS) is proposed in which a wheel slip controller based on sliding mode control and a solenoid valve actuator is modeled. In the wheel slip controller, Extended Kalman Filter (EKF) was used to monitor the brake forces and a pulse width modulation (PWM) technique was applied to control the solenoid valve. The overall brake performance was evaluated through simulation of 8 DOF nonlinear vehicle model. The proposed brake system showed significant improvement in brake efficiency.
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Grove, Hans-Wilhelm, and Christian Voy. "Volkswagen Lightweight Concept Vehicle Auto 2000." In SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1985. http://dx.doi.org/10.4271/850104.

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Bhatnagar, Ashok, Madhu Rammoorthy, Raymond Glaser, Chandrasekhar V. Nori, and P. Raju Mantena. "Ballistic and Damping Characteristics of ECPE/Glass Hybrid Composites." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-1047.

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Abstract Lightweight ballistic composites offer a host of advantages over traditional metal armor for stopping bullets and fragments in armored vehicles. Military and civilian vehicles armored with metal require higher horsepower engines, heavy suspension systems, and heavy duty hinges. Lightweight composites, however, are easy to install and remove, and increase vehicle life by as much as 50%. Another advantage lightweight composites offer is damping to the vehicle system. Composites reduce vibration and thus increase the comfort and fatigue life of other vehicle components. In this paper the damping behavior of four types of ballistic composites using combinations of glass and extended chain polyethylene (ECPE) is characterized. These composites provide a low cost, lightweight, easy to mold material for vehicle armor. A study of ballistic properties is included and compared to damping behavior.
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William, Gergis W. "Innovative Design Concepts for Lightweight Floors in Heavy Trailers." In SAE 2010 Commercial Vehicle Engineering Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2010. http://dx.doi.org/10.4271/2010-01-2033.

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Lovas, Havard Snefjella, Asgeir J. Sorensen, and Martin Ludvigsen. "Framework for Combining Multiple Lightweight Underwater Vehicles into Super Underwater Vehicle." In 2020 IEEE/OES Autonomous Underwater Vehicles Symposium (AUV). IEEE, 2020. http://dx.doi.org/10.1109/auv50043.2020.9267887.

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Marshall, Mary K., Lawrence R. Nichols, and Wayne Kirk. "Electric Vehicle Cockpit and Lightweight Components Development." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998. http://dx.doi.org/10.4271/980436.

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Seal, Michael R. "The Viking VII-A Lightweight Research Vehicle." In SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1985. http://dx.doi.org/10.4271/850101.

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Griffen, C. T., R. Wentzel, S. T. Raveendra, and S. Khambete. "Acoustic Tuning of Lightweight Vehicle Interior Systems." In SAE 2001 Noise & Vibration Conference & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2001. http://dx.doi.org/10.4271/2001-01-1628.

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Tian, Feng, Lichen Wu, Weibo Fu, and Xiaojun Huang. "Application of lightweight YOLOv4 in vehicle detection." In 4th International Conference on Information Science, Electrical and Automation Engineering (ISEAE 2022), edited by Mengyi (Milly) Cen and Lidan Wang. SPIE, 2022. http://dx.doi.org/10.1117/12.2640131.

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Reports on the topic "Lightweight vehicle"

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Sanella, M. Friction Stir Welding of Lightweight Vehicle Structures: Final Report. Office of Scientific and Technical Information (OSTI), August 2008. http://dx.doi.org/10.2172/958678.

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Stodolsky, F., R. M. Cuenca, and P. V. Bonsignore. Technology and future prospects for lightweight plastic vehicle structures. Office of Scientific and Technical Information (OSTI), August 1997. http://dx.doi.org/10.2172/578735.

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Yumori, I. R. Advanced Tethered Vehicle Lightweight Handling System Development and Testing. Fort Belvoir, VA: Defense Technical Information Center, August 1991. http://dx.doi.org/10.21236/ada240418.

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Prucz, Jacky C., Samir N. Shoukry, Gergis W. William, and Thomas H. Evans. Innovative Structural and Joining Concepts for Lightweight Design of Heavy Vehicle Systems. Office of Scientific and Technical Information (OSTI), September 2006. http://dx.doi.org/10.2172/902081.

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Jacky C. Prucz, Samir N. Shoukry, and Gergis W. William. Innovative Structural and Joining Concepts for Lightweight Design of Heavy Vehicle Systems. Office of Scientific and Technical Information (OSTI), August 2005. http://dx.doi.org/10.2172/912759.

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Janney, Mark A. Low Cost Carbon Fiber Composites for Lightweight Vehicle Parts, Phase II Final Report. Office of Scientific and Technical Information (OSTI), April 2014. http://dx.doi.org/10.2172/1122851.

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Zhang, Yangjun. Unsettled Topics Concerning Flying Cars for Urban Air Mobility. SAE International, May 2021. http://dx.doi.org/10.4271/epr2021011.

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Flying cars—as a new type of vehicle for urban air mobility (UAM)—have become an important development trend for the transborder integration of automotive and aeronautical technologies and industries. This article introduces the 100-year history of flying cars, examines the current research status for UAM air buses and air taxis, and discusses the future development trend of intelligent transportation and air-to-land amphibious vehicles. Unsettled Topics Concerning Flying Cars for Urban Air Mobility identifies the major bottlenecks and impediments confronting the development of flying cars, such as high power density electric propulsion, high lift-to-drag ratio and lightweight body structures, and low-altitude intelligent flight. Furthermore, it proposes three phased goals and visions for the development of flying cars in China, suggesting the development of a flying vehicle technology innovation system that integrates automotive and aeronautic industries.
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Skszek, Tim. Demonstration Project for a Multi-Material Lightweight Prototype Vehicle as Part of the Clean Energy Dialogue with Canada. Office of Scientific and Technical Information (OSTI), December 2015. http://dx.doi.org/10.2172/1332277.

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Pruez, Jacky, Samir Shoukry, Gergis Williams, and Mark Shoukry. Lightweight Composite Materials for Heavy Duty Vehicles. Office of Scientific and Technical Information (OSTI), August 2013. http://dx.doi.org/10.2172/1116021.

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Arcone, Steven, James Lever, Laura Ray, Benjamin Walker, Gordon Hamilton, and Lynn Kaluzienski. Ground-penetrating radar profiles of the McMurdo shear zone, Antarctica, acquired with an unmanned rover : interpretation of crevasses, fractures, and folds within firn and marine ice. Engineer Research and Development Center (U.S.), December 2021. http://dx.doi.org/10.21079/11681/42620.

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The crevassed firn of the McMurdo shear zone (SZ) within the Ross Ice Shelf may also contain crevasses deep within its meteoric and marine ice, but the surface crevassing prevents ordinary vehicle access to investigate its structure geophysically. We used a lightweight robotic vehicle to tow 200- and 40 MHz ground-penetrating radar antennas simultaneously along 10 parallel transects over a 28 km² grid spanning the SZ width. Transects were generally orthogonal to the ice flow. Total firn and meteoric ice thickness was approximately 160 m. Firn crevasses profiled at 400 MHz were up to 16 m wide, under snow bridges up to 10 m thick, and with strikes near 35°–40° to the transect direction. From the top down, 200- MHz profiles revealed firn diffractions originating to a depth of approximately 40 m, no discernible structure within the meteoric ice, a discontinuous transitional horizon, and at least 20 m of stratified marine ice; 28–31 m of freeboard found more marine ice exists. Based on 10 consecutive transects covering approximately 2.5 km², we preliminarily interpreted the transitional horizon to be a thin saline layer, and marine ice hyperbolic diffractions and reflections to be responses to localized fractures, and crevasses filled with unstratified marine ice, all at strikes from 27° to 50°. We preliminarily interpreted off nadir, marine ice horizons to be responses to linear and folded faults, similar to some in firn. The coinciding and synchronously folded areas of fractured firn and marine ice suggested that the visibly unstructured meteoric ice beneath our grid was also fractured, but either never crevassed, crevassed and sutured without marine ice inclusions, or that any ice containing crevasses might have eroded before marine ice accretion. We will test these interpretations with analysis of all transects and by extending our grid and increasing our depth ranges.
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