Academic literature on the topic 'Payload transportation operations'

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Journal articles on the topic "Payload transportation operations"

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Brown, Mark W. "Evaluation of the Impact of Timber Truck Configuration and Tare Weight on Payload Efficiency: An Australian Case Study." Forests 12, no. 7 (June 28, 2021): 855. http://dx.doi.org/10.3390/f12070855.

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The forest industry tends to plan, and model transportation costs based on the potential payload benefits of increased legal gross vehicle weight (GVW) by deploying different configurations, while payload benefits of a configuration can be significantly influenced by the vehicle design tare weight. Through this research the relative benefit of increased legal GVW of different configurations is compared across Australia over a 13-year period from 2006 to 2019, by examining data collected post operation across multiple operations. This approach is intended to offer realistic insight to real oper
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Salmin, V. V., A. A. Kvetkin, and A. S. Russkikh. "Choice of mission trajectory plans and conceptual design of electrical propulsion module for launching payloads into circumterrestrial orbits." VESTNIK of Samara University. Aerospace and Mechanical Engineering 19, no. 4 (December 31, 2020): 58–69. http://dx.doi.org/10.18287/2541-7533-2020-19-4-58-69.

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The problem of increasing the efficiency of transport operations in space is currently coming to the fore. In the context of this problem, we investigated the possibility of developing a space transportation system including a chemical upper stage and an electric propulsion transport module capable of performing a specified range of space maneuvers. Electric propulsion module design was carried out for a given range of target orbits and payload mass with the provision of restrictions on the flight time. Calculation of the ballistic characteristics of the flight is performed and an optimal prog
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Thamm, F. P., N. Brieger, K. P. Neitzke, M. Meyer, R. Jansen, and M. Mönninghof. "SONGBIRD – AN INNOVATIVE UAS COMBINING THE ADVANTAGES OF FIXED WING AND MULTI ROTOR UAS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XL-1/W4 (August 27, 2015): 345–49. http://dx.doi.org/10.5194/isprsarchives-xl-1-w4-345-2015.

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This paper describes a family of innovative fixed wing UAS with can vertical take off and land – the SONGBIRD family. With nominal payloads starting from 0.5 kg they can take off and land safely like a multi-rotor UAV, removing the need for an airstrip for the critical phases of operation. A specially designed flight controller allows stable flight at every point of the transition phase between VTOL and fixed wing mode. Because of this smooth process with a all time stable flight, very expensive payload like hyperspectral sensors or advanced optical cameras can be used. Due to their design all
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Mathanlal, Thasshwin, Anshuman Bhardwaj, Abhilash Vakkada Ramachandran, María-Paz Zorzano, Javier Martín-Torres, Charles S. Cockell, Sean Paling, and Tom Edwards. "Subsurface robotic exploration for geomorphology, astrobiology and mining during MINAR6 campaign, Boulby Mine, UK: part I (Rover development)." International Journal of Astrobiology 19, no. 2 (October 3, 2019): 110–25. http://dx.doi.org/10.1017/s147355041900020x.

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AbstractAutonomous exploration requires the use of movable platforms that carry a payload of instruments with a certain level of autonomy and communication with the operators. This is particularly challenging in subsurface environments, which may be more dangerous for human access and where communication with the surface is limited. Subsurface robotic exploration, which has been to date very limited, is interesting not only for science but also for cost-effective industrial exploitation of resources and safety assessments in mines. Furthermore, it has a direct application to exploration of ext
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Demircali, Anil, and Huseyin Uvet. "A STUDY OF UNMANNED GLIDER DESIGN, SIMULATION, AND MANUFACTURING." CBU International Conference Proceedings 5 (September 24, 2017): 1064–70. http://dx.doi.org/10.12955/cbup.v5.1072.

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This paper describes a mini unmanned glider's design, simulation, and manufacturing with a wing-folding mechanism. The mini-glider is designed for the CANSAT 2016 competition, which has the theme of a Mars glider concept with atmosphere data acquisition. The aim is to facilitate transportation and to land it to the destination point. Having a light and compact design is important since it is a glider without an engine and it uses power only for the transmission of sensory data. The glider is produced with a wingspan which is 440 mm, and its longitudinal distance is 304 mm. The wings can be pac
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Demircali, Ali, and Huseyin Uvet. "Mini Glider Design and Implementation with Wing-Folding Mechanism." Applied Sciences 8, no. 9 (September 3, 2018): 1541. http://dx.doi.org/10.3390/app8091541.

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This paper describes a mini unmanned glider’s design, simulation, and manufacturing with a novel wing-folding mechanism. The mini-glider is designed for CanSat competition, which has a theme of a Mars glider concept with atmosphere data acquisition. The aim is to facilitate the transportation of the glider and to land it on the destination point by following strict rules. Having a light and compact design is important since it uses power for the transmission of sensory data only. Dimensions of the glider is produced with a wingspan that is 440 mm and a length of 304 mm. The wings can be stowed
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Borz, Stelian Alexandru, Marina Viorela Marcu, and Maria Francesca Cataldo. "Evaluation of an HSM 208F 14tone HVT-R2 Forwarder Prototype under Conditions of Steep-Terrain Low-Access Forests." Croatian journal of forest engineering 42, no. 2 (January 14, 2021): 185–200. http://dx.doi.org/10.5552/crojfe.2021.775.

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Forwarding technology is well established in use around the world but, at the same time, forwarders are expensive machines that require a good planning to ensure the sustainability of operations. In addition, forwarder market is characterized by a limited pool of customers, therefore innovation attempts may be limited compared to other product development industries. Since the steps towards a full automation of operations are still at their beginning, improvements of forwarder machines may rest in developing and integrating components that could contribute to an increased effectiveness. To res
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Garren, Austin M., M. Chad Bolding, W. Michael Aust, Angelo C. Moura, and Scott M. Barrett. "Soil Disturbance Effects from Tethered Forwarding on Steep Slopes in Brazilian Eucalyptus Plantations." Forests 10, no. 9 (August 22, 2019): 721. http://dx.doi.org/10.3390/f10090721.

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Traditional timber harvests on steep slopes have been conducted through labor-intensive and sometimes environmentally impactful methods, such as manual felling with chainsaws and extraction using bladed skid trails, winching, or cable yarding. Ground-based mechanized harvesting and primary transportation methods such as cut-to-length harvesters and forwarders have emerged in some parts of the world as low-impact, safe, and efficient alternatives to the aforementioned systems. However, when mechanized operations are used on steep terrain, problems such as poor stability, loss of traction, and i
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Franko, Josef, Shengzhi Du, Stephan Kallweit, Enno Duelberg, and Heiko Engemann. "Design of a Multi-Robot System for Wind Turbine Maintenance." Energies 13, no. 10 (May 18, 2020): 2552. http://dx.doi.org/10.3390/en13102552.

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The maintenance of wind turbines is of growing importance considering the transition to renewable energy. This paper presents a multi-robot-approach for automated wind turbine maintenance including a novel climbing robot. Currently, wind turbine maintenance remains a manual task, which is monotonous, dangerous, and also physically demanding due to the large scale of wind turbines. Technical climbers are required to work at significant heights, even in bad weather conditions. Furthermore, a skilled labor force with sufficient knowledge in repairing fiber composite material is rare. Autonomous m
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Hyla, Paweł, Agnieszka Kosoń-Schab, Janusz Szpytko, and Jarosław Smoczek. "Integrated Supervision for Supporting Control and Proactive Maintenance of Material Handling System." Journal of KONES 26, no. 1 (March 1, 2019): 65–72. http://dx.doi.org/10.2478/kones-2019-0008.

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Abstract Material handling systems, as an important part of different type of manufacturing processes, face the same challenges as manufacturing industries pushed nowadays forward by innovative ideas and technologies to the next level loudly announced as industry 4.0. Development of the next generation of automated manufacturing systems involves advanced approaches to material handling systems design and their close integration with the higher levels of manufacturing and production control and management, e.g. manufacturing execution systems (MES), enterprise resource planning (ERP). In the pr
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Dissertations / Theses on the topic "Payload transportation operations"

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Sgarioto, Daniel Emmanuel, and s9908712@student rmit edu au. "Non-linear Dynamic Modelling and Optimal Control of Aerial Tethers for Remote Delivery and Capture of Payloads." RMIT University. Aerospace, Mechanical and Manufacturing Engineering, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20070209.144754.

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Many potentially useful applications that broadly fall under the umbrella of payload transportation operations have been proposed for aerial towed-cable (ATC) systems, namely the precise capture and delivery of payloads. There remain outstanding issues concerning the dynamics and control of ATC systems that are inhibiting the near-term demonstration of these applications. The development of simplified representations of ATC systems that retain the important dynamics, yet are simple enough for use in control system development is limited. Likewise, little research exists into the development of
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Book chapters on the topic "Payload transportation operations"

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Palaszewski, Bryan. "Martian Moons and Space Transportation Using Chemical and Electric Propulsion Options." In Solar Planets and Exoplanets [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96717.

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Using chemical and nuclear electric propulsion for the exploration of the Martian moons will be investigated. Both oxygen/hydrogen chemical propulsion and nuclear electric propulsion with 500 kilowatt electric (kWe) to 10 megawatt electric (MWe) reactors will be assessed. The initial masses, propellant masses, and trip times for a variety of space vehicle payload masses will be compared. For high energy orbital transfer, the nuclear electric propulsion vehicles required a small fraction of the propellant mass over oxygen/hydrogen orbital transfer vehicles (OTVs). The moons, Phobos and Deimos, may hold resources for refueling future space vehicles. In-situ resource utilization (ISRU) can be a powerful method of reducing Earth dependence on space vehicle propellants, liquid water, and breathing gases. Historical studies have identified the potential of water in carbonaceous chondrites on the moons. The moon-derived propellants OTVs that move payloads between the moons and to other important operational Mars orbits. Also, the propellants have been suggested to support reusable Mars landers. To extract the water, the mined mass, its volume and the mining time were estimated. The water mass fraction may be as low as 2x10−4. Very large masses were needed to be extracted for up to 100 MT of water.
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Conference papers on the topic "Payload transportation operations"

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Clauss, Gu¨nther F., Hans W. Gerber, and Carsten Hippe. "ASTRA: An Automatic Spading Tool for the Remote Application at Abyssal Depths." In ASME 2003 22nd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2003. http://dx.doi.org/10.1115/omae2003-37171.

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The future approach of the European marine research programme focuses on the establishment of multi-disciplinary networks including existing systems, and the development of new technologies for efficient installation and near real time communication. Within this framework the European Community funds the networks ORION (Ocean Research by Integrated Observation Networks - GEOSTAR 3) and ESONET 2 (European Seafloor Observatory NETwork) with several European partner institutions involved in marine research. Key technologies for deep-sea research have been developed in the frame of the GEOSTAR pro
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Matveev, Konstantin I., and Zachary J. Malhiot. "Construction and Testing of Radio-Controlled Power Augmented Ram Model." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41136.

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Heavy-payload Power Augmented Ram vehicles represent a new class of amphibious transportation means. In the static and low-speed operational regimes, these machines utilize a skirtless pressurized air cushion generated by front jet propulsors. In the high-speed motion, the aerodynamic lift augmented in ground effect becomes the dominant support. The construction of a small-scale radio-controlled Power Augmented Ram model is described. Results of initial static and self-propelled tests on solid surfaces are presented. Future research work and possible full-scale applications are discussed.
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James, Daniel, and Maurizio Collu. "Aerodynamically Alleviated Marine Vehicle (AAMV): Bridging the Maritime-to-Air Domain." In SNAME 13th International Conference on Fast Sea Transportation. SNAME, 2015. http://dx.doi.org/10.5957/fast-2015-019.

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As high performance marine vessels with improved performance characteristics are being requested by governments (DARPA 2015) and commercial operators, the Aerodynamically Alleviated Marine Vehicle (AAMV) provides a solution that combines speeds typical of rotary-wing and light fixed-wing aircraft with payload and loitering ability found in current high speed craft. The innovative AAMV hybrid aero-marine platform utilizes an alternative implementation of wing-in-ground effect (WIG), a proven technology with a fascinating history of high speed marine operation. This paper outlines some challenge
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Shust, William, and Corey Pasta. "Numerical Simulation of Freight Railcar Dynamic Clearance Envelopes." In ASME 2008 Rail Transportation Division Fall Technical Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/rtdf2008-74025.

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The operating dynamic clearance envelope has historically been a sum of estimated dimensional tolerances, sometimes even called “black magic” [1]. These tolerances exist by design within the car and the track, as well as between the wheel flanges and the rail gage face. Field observations of operating clearance have augmented these estimates. Recently a review of such expectations was desired as related to wide and/or tall payloads, with particular respect to train speed and track roughness. This project reexamines the factors affecting car body envelopes, including track curvature and elevati
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Glossiotis, G., and I. Antoniadis. "Maximally Robust Sway Free Point-to-Point Transportation of Boom Crane Loads by a FIR Filtering Approach of the Motion Commands." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84846.

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A new method for sway suppression of boom crane loads is implemented, which is based on the application of appropriate filters on the motion commands. A typical boom crane mechanism is considered, which accomplishes independently the luffing and hoisting motions, needed for load grabbing, transfer and final positioning. The resulting dynamic model of the crane mechanism leads to a strongly non-linear and time varying problem. Property designed Finite Impulse Response (FIR) filters are then applied to the typical motion commands of the system. The resulting filtered motion commands are shown to
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Hopkins, Brad M., and Saied Taheri. "A Dynamic Wheel/Rail Interaction Model Based on an Euler-Bernoulli Beam Rail Model." In ASME 2011 Rail Transportation Division Fall Technical Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/rtdf2011-67003.

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Early detection of rail defects is necessary for preventing derailments and costly damage to the train and railway infrastructure. A rail surface flaw can quickly go from a small fracture to a broken rail after only a few train cars have passed over it. Rail defect detection is typically performed by using an instrumented car or a separate railway monitoring vehicle. Such systems can either be costly or time consuming to implement. This paper presents a dynamic wheel/rail interaction model for generating training data for a defect detection algorithm. The defect detection algorithm works with
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Liu, Tuanjie, Xiaohong Chen, and Wei Ye. "Concept Selection Philosophy for Floating Control Facilities." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20805.

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Floating control facilities (FCFs) are designed to support fields using only subsea production system. Potential concepts, including Tension Leg Platform (TLP), Spar and semi-submersible can be selected as the FCFs. This paper discusses the philosophy of concept selection for FCFs. Two basic considerations for concept selection for FCFs are functional requirements and costs. Different structure types are first to be sized to meet the functional requirements for given water depths, environmental conditions and soil conditions. Then the costs for the procurement, construction, installation, hook
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Dumas, Antonio, Michele Trancossi, and Stefano Anzillotti. "An Airship Design Methodology Based on Available Solar Energy in Low Stratosphere." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-38931.

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The actual applicative research concerning airships and their use as HAP (High Altitude Platforms for telecommunications and military use) presents new applicative hypothesis of these systems, also concerning energetic high quote production. Authors present the energetic balance of a high quote photovoltaic platform with capability of static hovering realized by electric powered propellers. This is the first step trough the design of the P. S. I. C. H. E. (Photovoltaic Space Island for Conversion of Hydrogen as Energy vector) airship concept: a stratospheric airship which could be considered a
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