Relevant bibliographies by topics / Tracked vehicles

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Tracked vehicles'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Tracked vehicles"

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Eto, Ryosuke, Tomoaki Satomi, and Hiroshi Takahashi. "Kinematics of Wheel-Type Tracked Vehicle with Crawlers in Between the Front and Rear Wheels." Journal of Robotics and Mechatronics 24, no. 6 (December 20, 2012): 933–38. http://dx.doi.org/10.20965/jrm.2012.p0933.

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Tracked vehicles are generally trucked to the field because they cannot move on the pavement. This operation is very slow and inefficient. To solve the problem, it is necessary to develop tracked vehicles that can move swiftly on both soft ground and pavement. Wheel-type tracked vehicles with crawlers in between the front and rear wheels can move swiftly using only the wheels on pavement and both wheels and crawlers on soft ground. However, such vehicles cannot turn on both wheels and crawlers. In this study, this steering constraint condition of the vehicle was analyzed with inverse kinematics. Using the obtained optimal conditions, numerical simulations and experiments were carried out. The vehicle’s turning performance was also shown to improve.
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Shiller, Zvi, and William Serate. "Trajectory Planning of Tracked Vehicles." Journal of Dynamic Systems, Measurement, and Control 117, no. 4 (December 1, 1995): 619–24. http://dx.doi.org/10.1115/1.2801122.

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This paper presents a method for computing the track forces and track speeds of planar tracked vehicles, required to follow a given path at specified speeds on horizontal and inclined planes. It is shown that the motions of a planar tracked vehicle are constrained by a velocity dependent nonholonomic constraint, derived from the force equation perpendicular to the tracks. This reduces the trajectory planning problem to determining the slip angle between the vehicle and the path tangent that satisfies the nonholonomic constraint along the entire path. Once the slip angle has been determined, the track forces are computed from the remaining equations of motion. Computing the slip angle is shown to be an initial boundary-value problem, formulated as a parameter optimization. This computational scheme is demonstrated numerically for a planar vehicle moving along circular paths on horizontal and inclined planes.
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Dong, Chao, Kai Cheng, Kangle Hu, and WenQiang Hu. "Dynamic modeling study on the slope steering performance of articulated tracked vehicles." Advances in Mechanical Engineering 9, no. 7 (July 2017): 168781401771241. http://dx.doi.org/10.1177/1687814017712418.

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Articulated tracked vehicles are used as special off-road transportation vehicles, and their mobility is gaining more attention now than before. As an important evaluation indicator of the mobility of articulated tracked vehicles, steering performance receives wide attention in particular. Most of the present studies focus on the planar steering performance; few studies employing current models concentrate on the slope steering performance of articulated tracked vehicles. To address this research gap, this study proposes a dynamic modeling method for analyzing the slope steering performance of articulated tracked vehicles. A kinematic model of a vehicle is initially constructed to analyze its kinematic characteristics during slope steering; these characteristics include velocity and acceleration. A dynamic model of a vehicle is then developed to analyze its mechanical characteristics during slope steering; these characteristics include vertical loads, driving forces, and driving moments of tracks. The created dynamic model is then applied to analyze the slope steering performance of a specific articulated tracked vehicle. A mechanical-control united simulation model and an actual test of an articulated tracked vehicle are suggested to verify the established steering model. Comparison results show the effectiveness of the proposed dynamic steering model.
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Reitbauer, Eva, and Christoph Schmied. "Bridging GNSS Outages with IMU and Odometry: A Case Study for Agricultural Vehicles." Sensors 21, no. 13 (June 29, 2021): 4467. http://dx.doi.org/10.3390/s21134467.

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Nowadays, many precision farming applications rely on the use of GNSS-RTK. However, when it comes to autonomous agricultural vehicles, GNSS cannot be used as a stand-alone system for positioning. To ensure high availability and robustness of the positioning solution, GNSS-RTK must be fused with additional sensors. This paper presents a novel sensor fusion algorithm tailored to tracked agricultural vehicles. GNSS-RTK, an IMU and wheel speed sensors are fused in an error-state Kalman filter to estimate position and attitude of the vehicle. An odometry model for tracked vehicles is introduced which is used to propagate the filter state. By using both IMU and wheel speed sensors, specific motion characteristics of tracked vehicles such as slippage can be included in the dynamic model. The presented sensor fusion algorithm is tested at a composting site using a tracked compost turner. The sensor measurements are recorded using the Robot Operating System (ROS). To analyze the achievable accuracies for position and attitude of the vehicle, a precise reference trajectory is measured using two robotic total stations. The resulting trajectory of the error-state filter is then compared to the reference trajectory. To analyze how well the proposed error-state filter is suited to bridge GNSS outages, GNSS outages of 30 s are simulated in post-processing. During these outages, the vehicle’s state is propagated using the wheel speed sensors, IMU, and the dynamic model for tracked vehicles. The results show that after 30 s of GNSS outage, the estimated horizontal position of the vehicle still has a sub-decimetre accuracy.
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WONG, J. Y. "Dynamics of Tracked Vehicles." Vehicle System Dynamics 28, no. 2-3 (August 1997): 197–219. http://dx.doi.org/10.1080/00423119708969354.

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Gao, Y., and J. Y. Wong. "The Development and Validation of a Computer Aided Method for Design Evaluation of Tracked Vehicles with Rigid Links." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 208, no. 3 (July 1994): 207–15. http://dx.doi.org/10.1243/pime_proc_1994_208_183_02.

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In the past decade, a computer aided method for design evaluation of high-speed tracked vehicles with flexible tracks (or tracks with relatively short track pitch commonly in use in tracked transport vehicles and military vehicles) has been developed. It has been successfully used in assisting vehicle manufacturers in the development of new products and governmental agencies in the selection of vehicle candidates. For low-speed tracked vehicles commonly in use in agriculture, construction and logging, rigid tracks with relatively long track pitch are employed to achieve a more uniform ground pressure distribution. To assist manufacturers of this type of vehicle to expedite the development of new products in a cost effective manner, a computer aided method for design evaluation of tracked vehicles with rigid links has recently been developed. It treats the track as a system of interconnected rigid links and takes into account the characteristics of the interaction between track links and deformable terrain. The basic features of the method have been verified by field test data. The method can be an extremely useful tool for the engineer to optimize vehicle design and for the procurement manager to select appropriate vehicle candidates to meet specific operating requirements.
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Li, Guo Qiang, and Xing Ye Wang. "Research on Electronic Pneumatic Steering and Braking Control Technology for Autonomous Tracked Vehicles." Applied Mechanics and Materials 577 (July 2014): 359–63. http://dx.doi.org/10.4028/www.scientific.net/amm.577.359.

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To realize the autonomous driving of a certain tracked vehicle, the paper has a research on its steering and braking control technology. According to the steering and braking device’s structure and work principle on the original vehicle, the paper design an electronic pneumatic steering and braking control system before analyzing the design request of the system and introduce the system’s work principle. Applying this system to the original vehicle’s autonomous transformation, a test was conducted on the vehicle, the test prove that the electronic pneumatic steering and braking control system can well satisfied the tracked vehicles’ request of steering and braking.
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Zhang, Yu, Mianhao Qiu, Xixia Liu, Jun Li, Haijun Song, Yue Zhai, and Hongjuan Hu. "Research on Characteristics of Tracked Vehicle Steering on Slope." Mathematical Problems in Engineering 2021 (January 31, 2021): 1–18. http://dx.doi.org/10.1155/2021/3592902.

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A special design is needed for an unmanned tracked vehicle (UTV) to meet the requirements of off-road environments and complex tasks. A loose surface is the main terrain for tracked vehicles in off-road driving. Slope steering is inevitable while driving in such conditions; hence, its performance is a major concern for tracked vehicles on loose terrain. This study investigates the slope steering performance of a tracked vehicle. An improved dynamic steering model is proposed when considering the shear stress-shear displacement relation of soil at the track-ground interface. The influence of ground characteristics on the slope steering performance of a tracked vehicle is illustrated. The track slip rate is adopted as an index to evaluate the influence of typical vehicle structure parameters on the slope steering performance of a tracked vehicle. This study provides technical support for the design and optimization of UTV.
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Chen, Ning, Yun Peng Han, Pei Pei Liu, and Shuai Yang. "The Motion Attitude Analysis of High-Speed Tracked Vehicle Climbing over Vertical Wall." Advanced Materials Research 852 (January 2014): 515–19. http://dx.doi.org/10.4028/www.scientific.net/amr.852.515.

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The research object is the motion attitude of the high-speed tracked vehicles climbing over the vertical wall. The new calculation method is used in calculating certain parameters of the equation and establishing the equation of driving characteristics. The changing equations of the pitch angle and roll angle when the high-speed tracked vehicles crossing the obstacles can be obtained. The analysis results show that the motion attitude when the high-speed tracked vehicles crossing the obstacles is related to the terrain parameters, the tracked vehicle parameters, the initial velocity when crossing the obstacles, and the motion attitude can be expressed by the mathematics equations. These results provide the research-based and the theory support for the modal and analysis of the high-speed tracked vehicles crossing over the obstacles, which have high practical value.
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Ding, Zhao, Yaoming Li, and Zhong Tang. "Theoretical Model for Prediction of Turning Resistance of Tracked Vehicle on Soft Terrain." Mathematical Problems in Engineering 2020 (March 20, 2020): 1–9. http://dx.doi.org/10.1155/2020/4247904.

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Skid-steered tracked vehicles are commonly used in soft agricultural terrain due to its low ground pressure between vehicle tracks and the ground. However, the sliding and sinkage of the track during a turning maneuver causes considerable turning resistance, which reduces the vehicle's turning ability. Therefore, we constructed a theoretical model that predicts the turning resistance of tracked vehicles—under steady-state conditions on soft terrain—accounting for track sinkage effects and track slip and skid. The results demonstrate that the moment of turning resistance decreases with increased track slip and skid ratio but increases with track sinkage depth. The model-predicted moments of turning resistance for the outer and inner tracks—at a given track sinkage depth and track slip and skid ratio—are in reasonably close agreement with available experimental data. This theoretical model can be employed as a predictor for testing the turning resistance of tracked vehicles operating on a wide range of soils.
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Dissertations / Theses on the topic "Tracked vehicles"

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Peterson, Jeremy. "Directional control of a tracked machine utilizing a dual-path hydrostatic transmission /." free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p1418057.

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Chiang, Chi-Feng. "Handling characteristics of tracked vehicles on non-deformable surfaces." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0018/MQ48517.pdf.

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Chiang, Chi-Feng Carleton University Dissertation Engineering Mechanical and Aerospace. "Handling characteristics of tracked vehicles on non-deformable surfaces." Ottawa, 1999.

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Kasim, Salim Y. "Ride Analysis For Suspension System of off-Road Tracked Vehicles." Thesis, Cranfield University, 1991. http://dspace.lib.cranfield.ac.uk/handle/1826/4664.

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In this work. an attempt has been made to develop a programming package for ride analysis of off-road vehicles based upon a finite-element formulation of vehicle suspension systems. Mathematical modelling of generalised suspension systems has been carried out with several non-linear aspects being investigated and implemented in the programming package. such as large deflection. non-linear characteristics of springs and dampers. bump stops and wheel separation. Different types of soi 1 have been considered together with an appropriate modelling of vehicle tracks. Several methods for time integration of dynamic equations have been investigated so as to deal wi th numerical instabi 1 i ty problems expected for off-road suspension systems which often have "stiff" differential equations of motion. Three ride analysis criteria have also been considered in the programming package. Several case studies have been analysed using the developed programming package. They consist of two simple case studies with known analytical solutions. an existing wheeled off-road vehicle with published analog computer resul t s , and an off-road tracked vehicle wi th known experimental results. The package has been validated and proved to be an acceptable tool for the ride analysis of off-road vehicles. within the approximating assumptions considered. Several measures for future development have also been suggested.
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Bodin, Anders. "Improving the mobility performance of tracked vehicles in deep snow /." Luleå : Luleå tekniska univ, 2002. http://epubl.luth.se/1402-1544/2002/10/index.html.

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Lee, Sang Uk S. M. Massachusetts Institute of Technology. "Robust motion planning for autonomous tracked vehicles in deformable terrain." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/106779.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2016.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 90-95).
Ensuring the safety of autonomous vehicles during operation is a challenging task. Numerous factors such as process noise, sensor noise, incorrect model etc. can yield uncertainty in robot's state. Especially for tracked vehicles operating on rough terrain, vehicle slip due to vehicle terrain interaction affects the vehicle system significantly. In such cases, the motion planning of the autonomous vehicle must be performed robustly, considering the uncertain factors in advance of the real-time navigation. The primary contribution of this thesis is to present a robust optimal global planner for autonomous tracked vehicles operating in off-road terrain with uncertain slip. In order to achieve this goal, three tasks must be completed. First, the motion planner must be able to work efficiently under the non-holonomic vehicle system model. An approximate method is applied to the tracked vehicle system ensuring both optimality and efficiency. Second, the motion planner should ensure robustness. For this, a robust incremental sampling based motion planning algorithm (CC-RRT*) is combined with the LQG-MP algorithm. CC-RRT* yields the optimal and probabilistically feasible trajectory by using a chance constrained approach under the RRT* framework. LQG-MP provides the capability of considering the role of compensator in the motion planning phase and bounds the degree of uncertainty to appropriate size. Third, the effect of slip on the vehicle system must be modeled properly. This can be done in advance of operation if we have experimental data and full information about the environment. However, in case where such knowledge is not available, the online slip estimation can be performed using system identification method such as the IPEM algorithm. Simulation results shows that the resulting algorithms are efficient, optimal, and robust. The simulation was performed on a realistic scenario with several important factors that can increase the uncertainty of the vehicle. Experimental results are also provided to support the validity of the proposed algorithm. The proposed framework can be applied to other robotic systems where robustness is an important issue.
by Sang Uk Lee.
S.M.
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Gower, Daniel W. Jr. "Speech intelligibility in tracked vehicles and pink noise under active noise reduction and passive attenuation communications headsets." Diss., Virginia Tech, 1992. http://hdl.handle.net/10919/38410.

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Speech intelligibility tests using three headset systems, two passive and one with active noise reduction technology, were conducted. Nine listeners, six males and three females, responded to 180 50-word Modified Rhyme Word Lists presented under two noise conditions, two conditions of bilateral phase reversal of the speech signal, and the three headset systems. These three independent variables were studied in a full factorial within-subjects design. The noise conditions were pink noise and recordings from the troop carrying compartment of a u.S. Army M-2 Bradley Fighting Vehicle (tank noise having substantial low frequency energy). Phase reversal of the speech signal was also tested for its effect on speech intelligibility. The three headset systems were the David Clark Noise Attenuating Aviation Headset, and the Bose Aviation Headset used in both its passive and active mode. Active noise reduction technology employs the physical principle of constructive and destructive interference by creating signals which are identical to the noise under the earmuff but out of phase by 180 degrees. This technology is most effective at frequencies below 1000 Hz. Results showed that the Bose headset in its active mode required a significantly higher speech-to-noise ratio in both noise environments than the two passive headset systems to achieve the 70% level of speech intelligibility, the dependent variable in this study. The mean speech level under the Bose headset in its active mode was 2.8 dB higher in tank noise and 3.5 dB higher in pink noise than under the David Clark headset. The Bose headset in the active mode, however, provided a greater degree of broadband attenuation especially in the lower frequency range, e.g. < 630 Hz. Phase reversal proved to be of no benefit to performance in either noise environment. The pink noise proved to be the harsher environment for speech intelligibility than did the tank noise, primarily due to the increased levels in the speech bandwidth. Articulation Index scores for the three headset systems evidenced that the differences in performance among the three headset systems were in part the result of better earphone response characteristics in the principal speech bandwidth (600 - 4000 Hz) in conjunction with the strong attenuation performance of the David Clark headset in that same range. It is suggested that, in the absence of better earphone response characteristics and a broader bandwidth of active noise reduction performance, speech intelligibility is no better under active noise reduction headsets than under quality passive headsets. Further, the levels of speech intelligibility attained by active noise reduction headsets are at a cost of increased signal strength and higher purchase price.
Ph. D.
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Gothing, Grant Edward. "Development of the "Discretized Dynamic Expanding Zones with Memory" Autonomous Mobility Algorithm for the Nemesis Tracked Vehicle Platform." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/34404.

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The Nemesis tracked vehicle platform is a differentially driven Humanitarian Demining tractor developed by Applied Research Associates, Inc. The vehicle is capable of teleoperational control and is outfitted with a sensor suite used for detecting and neutralizing landmines. Because the detection process requires the vehicle to travel at speeds less than 0.5 km/h, teleoperation is a tedious process. The added autonomous capabilities of waypoint navigation and obstacle avoidance could greatly reduce operator fatigue.

ARA chose to leverage Virginia Tech's experience in developing an autonomous mobility capability for the Nemesis platform. The resulting algorithms utilize the waypoint navigation techniques of Virginia Tech's JAUS (Joint Architecture for Unmanned Systems) toolkit, and a modified version of the Dynamic Expanding Zones (DEZ) algorithm developed for the 2005 DARPA Grand Challenge. The modified approach discretizes the perception zones of the DEZ algorithm and provides the added capability of obstacle memory, resulting in the Discretized Dynamic Expanding Zones with Memory (DDEZm) algorithm. These additions are necessary for efficient autonomous control of the differentially driven Nemesis vehicle.

The DDEZm algorithm was coded in LabVIEW and used to autonomously navigate the Nemesis vehicle through a waypoint course while avoiding obstacles. The Joint Architecture for Unmanned Systems (JAUS) was used as the communication standard to facilitate the interoperability between the software developed at Virginia Tech and the existing Nemesis software developed by ARA. In addition to development and deployment, the algorithm has been fully documented for embedded coding by a software engineer. With embedded implementation on the vehicle, this algorithm will help to increase the efficiency of the landmine detection process, ultimately saving lives.


Master of Science
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Revathi, Palaniappan Natchammai. "Forest Machine Track-Soil Interaction." Thesis, KTH, Maskinkonstruktion (Inst.), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-142428.

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I många västeuropeiska länder har metoden för skogsavverkning ändrats från användning av motorsåg till ett mekaniserat skogsavverkningssystem känt som kortvirkesmetoden. Denna metod är baserad på en tvåmaskinslösning – en skördare som fäller, grenar och sågar träden enlig fördefinierade längder, och en skotare som transporterar stockarna till en lastplats för vidare transport till en bearbetningsanläggning. För att utveckla skogsmaskiner som är skonsammare för marken behövs en djupare förståelse av interaktionen mellan terrängen och dragfordonet. Huvudfokus i detta projekt ligger på bandgående skotare.Inom detta projekt, innefattar interaktionen mellan bandet och marken spårbildning, sammanpressning, marktryck, skjuvning, grepp och dragkraft. Spårdjupet är en av de viktiga faktorerna för att bestämma fordonets prestanda och skadeåverkan på mark och vegetation. Mätning och karakterisering av de mekaniska egenskaperna för flersiktade jordlager är en komplex uppgift. De två oftast använda metoderna för att mäta jordens mekaniska egenskaper är Bevametertekniken och Konpenetrometertekniken, där Bevametertekniken är jämförelsevis mindre effektiv för att karakterisera den nordiska skogsträngen eftersom skogsjorden inte är homogen.Olika semiempiriska WES-modeller och parametriska modeller används för bestämmandet av marktryck, spårdjup, dragkraft, rörelsemotstånd och kraften i dragkroken för hjul- och bandfordonen. Beräkningarna utfördes för en skotare av mediumstorlek utrustad med tre olika typer av band monterade på boggihjulen. Detta gjordes för tre olika typer av terrängförhållanden och både med och utan last. Även en jämförelse mellan hjul- och bandfordon gjordes. Resultatet från de teoretiska beräkningarna jämfördes med testdata från ett fullskaligt fältprov. Fältprovet inkluderade data för marktryck, nerträngning i jorden och spårdjup mätt på en skotare, både med och utan last.Adams for Tracked Vehicles (ATV) plugin är ett verktyg primärt utvecklat för dynamiska simuleringar av bandfordon. Fördelar och nackdelar med mjukvaran och dess lämplighet för användning för modellering av interaktionen mellan band och jord for skogsmaskiner diskuteras i denna rapport.
In many Western European countries, the method of timber harvesting has changed from the use of chain saws to a mechanized harvesting system known as Cut-To-Length method. This cut to length method is based on a two-machine solution – a harvester that folds, branches and cuts trees according to pre-defined lengths, and a forwarder that transports logs to a loading area from where it is further transported to a processing facility. In order to develop forest machines that is gentler to the ground, a thorough understanding of the terrain and the vehicle’s traction unit is required. The main focus of this project is on the tracked forest forwarders.In this project, the track soil interaction covers issues like rutting, compaction, ground pressure, shearing, traction and drawbar pull. The rut depth is one of the important factors to determine the vehicle performance and damages caused to the ground and vegetation. Measurement and characterization of the mechanical properties of a multilayer soil is quite a complex task. The two most commonly used methods to measure the soil mechanical properties are the Bevameter technique and the Cone penetrometer technique, of which the Bevameter technique is comparatively less efficient for characterizing the Nordic forest terrain as the forest soil is not homogenous.Different semi-empirical WES models and parametric models are used for the determining the ground pressure, rut depth, tractive force, motion resistance and drawbar pull for the wheeled and tracked vehicles. The calculations were performed for a medium sized forwarder equipped with three different types of tracks mounted on bogie wheels on three types of terrain conditions under loaded and unloaded conditions. A comparison of the wheeled and tracked vehicle performance is also made. The results obtained from the theoretical calculations are compared with the test data from a full scale field test. The field test data include ground pressure, soil penetration and rut depth data measured on the forwarder with and without load.Adams for Tracked vehicles (ATV) plugin is a tool primarily developed for performing dynamic simulations of tracked equipment. The pros and cons of the software and it’s suitability to be used for the track soil interaction modeling of forestry machines is discussed in this report.
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Park, Si-Won. "Analysis of interactions of logistics elements of K-1 tracked vehicles in the Republic of Korea Army by using simulation model." Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion-image.exe/07Jun%5FPark.pdf.

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Thesis (M.S. in Operations Research)--Naval Postgraduate School, June 2007.
Thesis Advisor(s): Susan M. Sanchez, Keebom Kang. "June 2007." Includes bibliographical references (p. 103-104). Also available in print.
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Books on the topic "Tracked vehicles"

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Tracked vehicles. Vero Beach, Fla: Rourke Enterprises, 1989.

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Crismon, Fred. U.S. military tracked vehicles. Osceola, WI, USA: Motorbooks International, 1992.

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Croizat, Victor J. Across the reef: The amphibious tracked vehicle at war. Blandford: Arms and Armour Press, 1989.

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Mesko, Jim. Amtracs in action. Carrollton, TX: Squadron/Signal Publications, 1993.

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Croizat, Victor. Across the reef: The amphibious tracked vehicle at war. London: Blandford, 1989.

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Michael, Green. Assault amphibian vehicles: The AAVs. Mankato, Minn: Capstone Press, 2004.

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Boger, Dan C. Development phase cost drivers for production costs: The case of tracked vehicles. Monterey, Calif: Naval Postgraduate School, 1993.

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Harper, David E. LVT 2, LVT (A) 2. Moscow Mills, MO: Letterman Publications, 2003.

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Harper, David E. LVT 2, LVT (A) 2. Moscow Mills, MO: Letterman Publications, 2003.

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Frank, Reinhard. German medium half-tracked prime movers: 1934-1945. Atglen, PA: Schiffer Pub., 1997.

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Book chapters on the topic "Tracked vehicles"

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Dobretsov, R. Yu, A. V. Lozin, and M. S. Medvedev. "Hyperbolic Steering for Tracked Vehicles." In Proceedings of the 4th International Conference on Industrial Engineering, 2367–74. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95630-5_255.

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Bruzzone, Luca, Giovanni Berselli, Pietro Bilancia, and Pietro Fanghella. "Design Issues for Tracked Boat Transporter Vehicles." In Advances in Mechanism and Machine Science, 3671–79. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20131-9_362.

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Bourassa, P., G. Payre, B. Marcos, B. Ezzerrouqi, and S. Reiher. "Kinematics and Dynamics of Ski-Tracked Vehicles." In The Dynamics of Vehicles on Roads and on Tracks, 34–46. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003210900-4.

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Sobel, Dawid, Karol Jędrasiak, Krzysztof Daniec, Józef Wrona, Piotr Jurgaś, and Aleksander M. Nawrat. "Camera Calibration for Tracked Vehicles Augmented Reality Applications." In Innovative Control Systems for Tracked Vehicle Platforms, 147–62. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04624-2_8.

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Barnat, Wiesław, and Aleksander M. Nawrat. "The Influence the Location of Large Charge on Behaviour Special Vehicles SHIBA and AV (Armoured Vehicle)." In Innovative Control Systems for Tracked Vehicle Platforms, 299–322. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04624-2_18.

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Barnat, Wiesław, and Aleksander M. Nawrat. "Selected Issues of the Underwater Explosion on the Special Vehicles." In Innovative Control Systems for Tracked Vehicle Platforms, 281–98. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04624-2_17.

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Kciuk, Sławomir, Sławomir Duda, Arkadiusz Mężyk, Eugeniusz Świtoński, and Klaudiusz Klarecki. "Tuning the Dynamic Characteristics of Tracked Vehicles Suspension Using Controllable Fluid Dampers." In Innovative Control Systems for Tracked Vehicle Platforms, 243–58. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04624-2_15.

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Bartnicki, Adam, Marian Janusz Łopatka, Lucjan Śnieżek, Józef Wrona, and Aleksander M. Nawrat. "Concept of Implementation of Remote Control Systems into Manned Armoured Ground Tracked Vehicles." In Innovative Control Systems for Tracked Vehicle Platforms, 19–37. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04624-2_2.

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Zou, Yuan, Junqiu Li, Xiaosong Hu, and Yann Chamaillard. "Application of Hybrid Drive System Modeling and Control for Tracked Vehicles." In Modeling and Control of Hybrid Propulsion System for Ground Vehicles, 271–328. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-53673-5_8.

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Kozlov, K. E., V. N. Belogusev, and A. V. Egorov. "Development of Method and Instruments to Identify Efficiency of Tracked Vehicles." In Proceedings of the 4th International Conference on Industrial Engineering, 1107–15. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95630-5_116.

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Conference papers on the topic "Tracked vehicles"

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Akcabay, Deniz T., N. C. Perkins, and Zheng-Dong Ma. "Predicting the Mobility of Tracked Robotic Vehicles." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-60877.

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Robotic vehicles are an attractive alternative to manned vehicles in hazardous or dangerous off road and urban environments. Present designs of robot vehicles employ wheels or tracks as the running gears and, in general, tracks provide superior mobility on rough or uneven terrain. This paper presents a multibody dynamics model of a tracked robotic vehicle for the purpose of predicting mobility in two different scenarios: 1) steep terrains, and 2) urban terrains in the form of staircases. In both scenarios we study the physical limitations on vehicle mobility imposed by key vehicle design variables and vehicle operating conditions. Example vehicle design variables include the location of the mass center, grouser penetration, and track/terrain friction. Example vehicle operating conditions include climbing under full versus partial track/terrain contact, and climbing on straight versus switch back courses.
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Huh, Kunsoo, Chung Choo Chung, and Mun-Suk Suh. "Experimental Evaluation of a Track Tension Controller in Tracked Vehicles." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59450.

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Track tension is closely related to the maneuverability of tracked vehicles and the durability of their tracks and suspension systems. The tension needs to be maintained at an optimum level throughout the maneuver in order to minimize the excessive load on the tracks and to prevent track peel-off from the sprocket. In this paper, a track tension control system is developed for tracked vehicles which are subject to various maneuvering tasks. It consists of track tension estimator, track tension controller and hydraulic unit. The tension around the idler and sprocket is estimated in real-time, respectively. Using the estimated track tension and considering the highly nonlinear vehicle characteristics, a fuzzy logic controller is designed in order to control the track tension in the vehicles. The performance of the proposed tension control system is verified through experimental field tests.
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Wasfy, Tamer M., and James O’Kins. "Finite Element Modeling of the Dynamic Response of Tracked Vehicles." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86563.

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A time-accurate finite element model for predicting the dynamic response of tracked vehicles is presented. The model supports flexible continuous belt-type tracks and segmented-tracks consisting of rigid and/or flexible links connected using revolute joints. The flexible multibody system representing the tracked vehicle is modeled using rigid bodies, flexible bodies, joints and actuators. Flexible bodies are modeled using total-Lagrangian brick, membrane, beam, truss and linear/rotational spring elements. The penalty method is used to impose the joint/contact constraints. An asperity-based friction model is used to model joint/contact friction. A recursive bounding box contact search algorithm is used to allow fast contact detection between finite elements and other elements as well as general triangular/quadrilateral surfaces. The governing equations of motion are solved along with joint/constraint equations using a time-accurate explicit solution procedure. The model can help improve the design of tracked vehicles including increasing the vehicle’s stability and durability.
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Shabana, A. A., J. H. Choi, and H. C. Lee. "Nonlinear Dynamics and Vibrations of Three Dimensional Multibody Tracked Vehicles." In ASME 1996 Design Engineering Technical Conferences and Computers in Engineering Conference. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-detc/mech-1186.

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Abstract A three dimensional model that includes significant details is developed for the nonlinear dynamic analysis of large scale multi-body tracked vehicle systems. In this model, the joint articulations of the track chains are taken into consideration so as to allow the developement of a computational procedure for the analysis of the vibrations and the contact forces of the multibody tracked vehicles. The three dimensional vehicle system is assumed to consist of three kinematically decoupled subsystems which include the chassis subsystem, and two track subsystems. A recursive approach for formulating the nonlinear equations of the vehicle based on the velocity transformation is used in this investigation in order to reduce the number of equations, avoid the solution of a system of differential and algebraic equations, and avoid the use of nonholonomic constraints to describe the rotations of the sprockets. The singular configurations of the closed kinematic chains of the tracks are also avoided by using a penalty function approach to define the constraint forces at selected secondary joints of the tracks. Detailed three dimensional nonlinear contact force models that describe the interaction between the track links and the vehicle components such as the rollers, sprockets, and idlers as well as the interaction between the track links and the ground are developed and used to define the generalized contact forces associated with the vehicle generalized coordinates. In particular, body and surface coordinate systems are introduced in order to define the spatial contact conditions that describe the dynamic interaction between the teeth of the sprockets and the track link pins. These conditions provide the forces necessary for driving the tracked vehicle. The effect of the tangential friction forces on the stability of the motion of the vehicle is also discussed in this investigation. A computer simulation of a tracked vehicle that consists of one hundred and six bodies and has one hundred and twenty degrees of freedom is presented in order to demonstrate the use of the formulations presented in this study. A simple formula that can be used to predict the steady state velocity of the vehicle when the sprockets rotate with a constant angular velocity is presented and used to verify the numerical results obtained from the nonlinear dynamic simulation of the multibody vehicle.
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Sandu, Corina, and Jeffrey S. Freeman. "Three-Dimensional Multibody Tracked Vehicle Modeling and Simulation." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/vib-48359.

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Off-road vehicles have broad areas of application (in agriculture, in the construction industry, in the transport industry, in the military, in the U.S. space programs, in the oil and gas industry). A large segment of the off-road vehicles is made up by the tracked vehicles. The purpose of this study is to develop and implement an independent vehicle model. The vehicle model is general, in the sense that it is not restricted to a specific vehicle; it can model vehicles with varying numbers of road wheels, or different suspension characteristics It can be used, together with a track model, to analyze several types of tracked vehicles. A recursive dynamics formulation approach is used to model the vehicle. All the computations are performed in relative coordinates. The kinematic formulation of the model is presented, as well as the dynamic analysis, including the external and the internal applied forces. Dynamic settling simulations of the vehicle model on several types of soil are presented. The vehicle model presented in this study serves as a support, to help testing and comparing different track models and track-terrain interaction formulations.
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Choi, J. H., H. S. Ryu, D. S. Bae, G. S. Huh, and D. C. Park. "Dynamic Track Tension of High Mobility Tracked Vehicles." In 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-21309.

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Abstract In this paper, dynamic track tension for high mobility tracked vehicle is investigated by multibody dynamic simulation techniques. This research focuses on a heavy military tracked vehicle which has sophisticated suspension and rubber bushed track systems. In order to obtain accurate dynamic track tension of track subsystems, each track link is modeled as a body which has six degrees of freedom. A compliant bushing element is used to connect track links. Various virtual proving ground models are developed to observe dynamic changes of the track tension. The dynamic track tensions are monitored at several stationary hull points and points on the track link itself. The effects of pre-tensions, traction forces, turning resistances, sprocket torques, ground profiles, and vehicle speeds, for dynamic responses of track tensions are explored, respectively. Numerical studies of the dynamic track tension are validated against the experimental measurements.
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Choi, J. H., D. S. Bae, and H. S. Ryu. "A Compliant Double Pin Track Link Model for Multibody Tracked Vehicles." In ASME 1999 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/detc99/vib-8199.

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Abstract It is the objective of this investigation to develop compliant double pin track link models and investigate the use of these models in the dynamic analysis of high mobility tracked vehicles. There are two major difficulties encountered in developing the compliant track models discussed in this paper. The first is due to the fact that the integration step size must be kept small in order to maintain the numerical stability of the solution. This solution includes high oscillatory signals resulting from the impulsive contact forces and the use of stiff compliant elements to represent the joints between the track links. The characteristics of the compliant, elements used in this investigation to describe the track joints are measured experimentally. The second difficulty encountered in this investigation is due to the large number of the system equations of motion of the three dimensional multibody tracked vehicle model. The dimensionality problem is solved by decoupling the equations of motion of the chassis subsystem and the track subsystems. Recursive methods are used to obtain a minimum set of equations for the chassis subsystem. Several simulation scenarios including an accelerated motion, high speed motion, braking, and turning motion of the high mobility vehicle are tested in order to demonstrate the effectiveness and validity of the methods proposed in this investigation.
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Senthilkumar, D., Natesan Babu, T. Asokan, and Shankar C. Subramanian. "Tele-operation of unmanned tracked vehicles." In the 2015 Conference. New York, New York, USA: ACM Press, 2015. http://dx.doi.org/10.1145/2783449.2783460.

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Choi, J. H., A. A. Shabana, and Roger A. Wehage. "Propagation of Nonlinearities in the Inertia Matrix of Tracked Vehicles." In ASME 1994 Design Technical Conferences collocated with the ASME 1994 International Computers in Engineering Conference and Exhibition and the ASME 1994 8th Annual Database Symposium. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/detc1994-0045.

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Abstract In this investigation, a procedure is presented for the numerical solution of tracked vehicle dynamics equations of motion. Tracked vehicles can be represented as two kinematically decoupled subsystems. The first is the chassis subsystem which consists of chassis, rollers, idlers, and sprockets. The second is the track subsystem which consists of track links interconnected by revolute joints. While there is dynamic force coupling between these two subsystems, there is no inertia coupling since the kinematic equations of the two subsystems are not coupled. The objective of the procedure developed in this investigation is to take advantage of the fact that in many applications, the shape of the track does not significantly change even though the track links undergo significant configurations changes. In such cases the nonlinearities propagate along the diagonals of a velocity influence coefficient matrix. This matrix is the only source of nonlinearities in the generalized inertia matrix. A permutation matrix is introduced to minimize the number of generalized inertia matrix LU factor evaluations for the track.
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Espinoza, Albert A., Jorge L. Torres-Filomeno, Karla M. Montanez-Sanchez, and Angel J. Ortiz-Andujar. "Vehicle-Terrain Parameter Estimation for Small-Scale Unmanned Tracked Vehicles." In 2019 IEEE International Symposium on Measurement and Control in Robotics (ISMCR). IEEE, 2019. http://dx.doi.org/10.1109/ismcr47492.2019.8955708.

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Reports on the topic "Tracked vehicles"

1

Shabana, Ahmed A. Nonlinear Dynamics of Tracked Vehicles. Fort Belvoir, VA: Defense Technical Information Center, January 1997. http://dx.doi.org/10.21236/ada344299.

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Goodman, John. Industrial Assessment for Tracked Combat Vehicles,. Fort Belvoir, VA: Defense Technical Information Center, October 1995. http://dx.doi.org/10.21236/ada303814.

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ABERDEEN TEST CENTER MD. Infrared Measurements of Wheeled and Tracked Vehicles. Fort Belvoir, VA: Defense Technical Information Center, October 2011. http://dx.doi.org/10.21236/ada550346.

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Van Horn, Albert. Mortality Curves for Road Wheels of Tracked Vehicles. Fort Belvoir, VA: Defense Technical Information Center, February 1987. http://dx.doi.org/10.21236/ada179766.

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Rodriguez, Gumersindo, Paul Touchet, Alan R. Teets, and David P. Flanagan. Elastomers for Tracked Vehicles - Development of Rubber Compounds for Bushings. Fort Belvoir, VA: Defense Technical Information Center, October 1999. http://dx.doi.org/10.21236/ada370200.

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Roldan, S. 17-Inch Single Pin Aluminum Track Development Program for Future U.S. Marine Corps Tracked Vehicles. Fort Belvoir, VA: Defense Technical Information Center, November 1986. http://dx.doi.org/10.21236/ada204818.

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Boger, Dan C., and David S. Malcolm. Development Phase Cost Drivers for Production Costs: The Case of Tracked Vehicles. Fort Belvoir, VA: Defense Technical Information Center, February 1993. http://dx.doi.org/10.21236/ada263196.

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ARMY COLD REGIONS TEST CENTER FORT GREELY AK. Cold Regions Logistic Supportability Testing of Wheeled, Tracked and Special Purpose Vehicles. Fort Belvoir, VA: Defense Technical Information Center, June 1985. http://dx.doi.org/10.21236/ada158758.

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Baladi, George Y., Donald E. Barnes, and Rebecca P. Berger. Steerability Analysis of Tracked Vehicles: Theory and User's Guide for Computer Program TVSTEER. Fort Belvoir, VA: Defense Technical Information Center, August 1986. http://dx.doi.org/10.21236/ada172008.

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DEPARTMENT OF THE ARMY WASHINGTON DC. Department of the Army Procurement Programs. Committee Staff Procurement Backup Book FY 2001 Budget Estimate. Weapons and Tracked Combat Vehicles. Fort Belvoir, VA: Defense Technical Information Center, February 2000. http://dx.doi.org/10.21236/ada373911.

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