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Journal articles on the topic 'Payload transportation operations'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

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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2

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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7

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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11

Ledkova, T. A., and V. S. Aslanov. "Space Tethered System Control for Payload Delivery from a Circular Orbit." Mechanical Engineering and Computer Science, no. 11 (December 22, 2017): 1–16. http://dx.doi.org/10.24108/1117.0001323.

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The article deals with the transportation operation of a payload delivery from a circular orbit using a space-tethered system. The use of the tether allows transferring the payload capsule to the reentry orbit without using the jet fuel. The whole transport operation can be divided into three stages: braking for the payload exit from the original orbit, flight along the elliptical orbit to the boundary of the atmosphere, and reentry. For braking at the first stage, an extended tether is used. Its length varies according to the swing principle. This principle allows us to swing the space tether

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da Cás, Pedro L. K., Carlos A. G. Veras, Olexiy Shynkarenko, and Rodrigo Leonardi. "A Brazilian Space Launch System for the Small Satellite Market." Aerospace 6, no. 11 (November 12, 2019): 123. http://dx.doi.org/10.3390/aerospace6110123.

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At present, most small satellites are delivered as hosted payloads on large launch vehicles. Considering the current technological development, constellations of small satellites can provide a broad range of services operating at designated orbits. To achieve that, small satellite customers are seeking cost-effective launch services for dedicated missions. This paper deals with performance and cost assessments of a set of launch vehicle concepts based on a solid propellant rocket engine (S-50) under development by the Institute of Aeronautics and Space (Brazil) with support from the Brazilian

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13

Velychko, Lilia Olegovna, and Evgenia Alexandrovna Ermolenko. "YUZHNOYE`S POSITION IN WORLD PLANS FOR MOON EXPLORATION." Journal of Rocket-Space Technology 27, no. 4 (December 30, 2019): 131–45. http://dx.doi.org/10.15421/451919.

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The article discusses the lunar programs of leading countries of the world: EU, India, People’s Republic of China, South Korea, Israel, Russian Federation, Japan, USA, as well as possible direction of cooperation between Ukrainian cooperation and mentioned countries. The US lunar program is the most attractive. NASA invites private companies which can become Yuzhnoye State Design Office partners. Perspective payload delivery means into lunar orbit are proposed: Space Launch System, Falcon Heavy, Straship. Marketing strategy was developed to achieve economic efficiency of the space launch syste

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14

Goldin, Daniel S., Samuel L. Venneri, and Ahmed K. Noor. "Fresh Air, Wide-Open Space." Mechanical Engineering 123, no. 11 (November 1, 2001): 48–55. http://dx.doi.org/10.1115/1.2001-nov-1.

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This article focuses on space-based observations that are taking on unprecedented importance in national security strategy. The high cost of launching payloads to Earth orbit has impeded progress in the exploration of space, as well as in its commercial use and development. The application of biological concepts and principles to the development of technologies for engineering systems has led to the emergence of biomimetics, neuromimetics, and neuromorphic engineering. System integrity is absolutely essential to achieving this kind of far-reaching vision. The airspace system can be integrated

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15

Kehayas, Nikolaos. "Earth-to-space and high-speed “air” transportation: an aerospaceplane design." Aircraft Engineering and Aerospace Technology 91, no. 2 (February 4, 2019): 381–403. http://dx.doi.org/10.1108/aeat-08-2017-0196.

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Purpose The purpose of this paper is to attempt an aerospaceplane design with the objective of Low-Earth-Orbit-and-Return-to-Earth (LEOARTE) under the constraints of safety, low cost, reliability, low maintenance, aircraft-like operation and environmental compatibility. Along the same lines, a “sister” point-to-point flight on Earth Suborbital Aerospaceplane is proposed. Design/methodology/approach The LEOARTE aerospaceplane is based on a simple design, proven low risk technology, a small payload, an aerodynamic solution to re-entry heating, the high-speed phase of the outgoing flight taking p

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16

Yoshida and Takata. "Uncertainty Simulation of Wood Chipping Operation for Bioenergy Based on Queuing Theory." Forests 10, no. 9 (September 19, 2019): 822. http://dx.doi.org/10.3390/f10090822.

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Managing uncertainty is the way to secure stability of the supply chain. Uncertainty within chipping operation and chip transportation causes production loss. In the wood chip supply chain for bioenergy, operational uncertainty mainly appears in the moisture content of the material, chipping productivity, and the interval of truck arrival. This study theoretically quantified the loss in wood chip production by applying queuing theory and stochastic modelling. As well as the loss in production, the inefficiency was identified as the idling time of chipper and the queuing time of trucks. The aim

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17

Jia, Haiying, Vishnu Prakash, and Tristan Smith. "Estimating vessel payloads in bulk shipping using AIS data." International Journal of Shipping and Transport Logistics 11, no. 1 (2019): 25. http://dx.doi.org/10.1504/ijstl.2019.096864.

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18

Jia, Haiying, Tristan Smith, and Vishnu Prakash. "Estimating vessel payloads in bulk shipping using AIS data." International Journal of Shipping and Transport Logistics 11, no. 1 (2019): 25. http://dx.doi.org/10.1504/ijstl.2019.10017649.

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19

Bernard, M., K. Kondak, and G. Hommel. "Load transportation system based on autonomous small size helicopters." Aeronautical Journal 114, no. 1153 (March 2010): 191–98. http://dx.doi.org/10.1017/s0001924000003638.

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Abstract This paper is devoted to modelling and control algorithms for a slung load transportation system composed of one or multiple helicopters, where the load is coupled by the means of flexible ropes (see Fig. 1). The coupled helicopter system overcomes the payload limitation of a single small size helicopter, while keeping most of its advantages: small costs of operation, low maintenance costs and increased safeness. Therefore, the system can be utilised whenever the use of full size helicopters is impossible, too expensive or prohibited by law. We focus on the deployment and repairing of

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20

Clayton, A., and M. Lai. "Characteristics of large truck–trailer combinations operating on Manitoba's primary highways: 1974–1984." Canadian Journal of Civil Engineering 13, no. 6 (December 1, 1986): 752–60. http://dx.doi.org/10.1139/l86-110.

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Weight and dimension regulations governing large truck operations in Manitoba and western Canada generally have been substantially relaxed since 1974. These changes have facilitated the use of larger and heavier truck–trailer combinations on highways throughout Manitoba and on interconnecting highways in adjacent jurisdictions. Effective engineering of these highways and their bridges requires a solid understanding of the physical and use characteristics of the truck–trailer combinations that have been, and are being, adopted by the trucking industry in response to the relaxed regulatory envir

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21

Kim, Cheol, Sun Goo Kim, and Yong Yun Kim. "Development of Composite Optical Bench Structures on a Satellite Considering Launch and Space Environments." Key Engineering Materials 334-335 (March 2007): 457–60. http://dx.doi.org/10.4028/www.scientific.net/kem.334-335.457.

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Satellite structural components must be able to withstand various loading and environments that will experience during integration, tests, transportation, launch, and on-orbit operation. A polymeric composite optical bench that fixes delicate optical payloads such as a camera or a telescope was developed based on static strength, thermal deformation, and vibration. The optical bench consists of composite sandwich panels with and without a hole and composite struts with end fittings. In this paper, the optimum stacking sequence of the composite optical bench was calculated to minimize severe th

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22

Yang, Xiufeng, Longlong Chang, and Néstor O. Pérez-Arancibia. "An 88-milligram insect-scale autonomous crawling robot driven by a catalytic artificial muscle." Science Robotics 5, no. 45 (August 19, 2020): eaba0015. http://dx.doi.org/10.1126/scirobotics.aba0015.

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The creation of autonomous subgram microrobots capable of complex behaviors remains a grand challenge in robotics largely due to the lack of microactuators with high work densities and capable of using power sources with specific energies comparable to that of animal fat (38 megajoules per kilogram). Presently, the vast majority of microrobots are driven by electrically powered actuators; consequently, because of the low specific energies of batteries at small scales (below 1.8 megajoules per kilogram), almost all the subgram mobile robots capable of sustained operation remain tethered to exte

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23

Altuğ, Erdinç, and Abdullah Türkmen. "A Novel Mini Jet Engine Powered Unmanned Aerial Vehicle: Modeling and Control." Unmanned Systems, May 14, 2021, 1–13. http://dx.doi.org/10.1142/s2301385022500017.

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Significant progress has been made in recent years on personal air vehicles (PAVs), which offer independent and autonomous urban transportation. On-demand parcel delivery drones and heavy-lift drones are gaining serious attention. Although various designs for these systems have been put forward, they still have not reached sufficient maturity. The current systems provide somehow satisfactory operation, but many of these systems are limited in payload capacity and flight duration, and not suitable for future operations. In this paper, we propose a novel thrust system that uses multiple mini jet

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24

Yeow, Lih Wei, and Lynette Cheah. "Comparing Commercial Vehicle Fuel Consumption Models using Real-World Data under Calibration Constraints." Transportation Research Record: Journal of the Transportation Research Board, April 26, 2021, 036119812110074. http://dx.doi.org/10.1177/03611981211007478.

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Assessing commercial road vehicle fuel use at a high spatiotemporal resolution helps in understanding underlying usage patterns and informs future interventions toward fuel-efficient freight planning and operations. With the use of global navigation satellite systems in fleet tracking and advancements in driver activity surveys, instantaneous fuel consumption models can calculate fuel use in high resolution using inputs like speed and acceleration derived from GPS data. Given that several models exist, there is a need to compare fuel use estimates from different models, especially under the co

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25

Ismail, Abdi, Achmad Zubaydi, Bambang Piscesa, Tuswan Tuswan, and Rizky Chandra Ariesta. "STUDY OF SANDWICH PANEL APPLICATION ON SIDE HULL OF CRUDE OIL TANKER." Journal of Applied Engineering Science, April 19, 2021, 1–9. http://dx.doi.org/10.5937/jaes0-30373.

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A lightweight sandwich plate system (SPS) consisted of steel faceplate and polyurethane elastomer composite cores have excellent potential to be applied on the ship structure. Steel faceplate and polyurethane elastomer (PU) cores are frequently applied, but PU has a relatively high material cost. More economical material can be achieved by combining PU with fiberglass as a fiberglass reinforced polyurethane elastomer (FRPU) composite. In this study, the sandwich consisting of steel faceplate and FRPU composite core material is applied in the tanker side hull by investigating the structural per

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26

Rotty, Fernando Fransiskus, Freddy Franciscus, and Ericko Chandra. "Analisis Penentuan Komposisi Optimum Kargo Dan Pax Pesawat Boeing 787 - 8 Dan Airbus 330 – 900 Pada Rute Jakarta – Dubai Menggunakan Optimasi Linear Programming." Jurnal Teknologi Kedirgantaraan 6, no. 2 (August 28, 2021). http://dx.doi.org/10.35894/jtk.v6i2.37.

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Abstract - The need for airplanes is increasing every day, this is due to the increasing number of passengers and cargo shipments from one area to another. Therefore, airlines need to provide optimal, safe, and efficient cargo and passenger transportation services so that the delivery of goods and passengers can run according to correct procedures. Opportunities in the business of transporting passengers and shipping cargo must be utilized properly by each airline by purchasing planes so that the shipping process from one area to another can quickly arrive at its destination. The purpose of th

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