Accompanying a person is one of the core capacities of a personal mobility vehicle and demands a smooth movement function with collision avoidance. In previous studies on a personal mobility vehicle, a vehicle moves i...
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ISBN:
(纸本)9781467380768
Accompanying a person is one of the core capacities of a personal mobility vehicle and demands a smooth movement function with collision avoidance. In previous studies on a personal mobility vehicle, a vehicle moves in synchrony with a walking partner. However, in some cases, especially where potentially dangerous obstacles appear in the environment, a vehicle should lead its partner. In this case, a vehicle that leads its partner in appropriate environments should also enable smoother and more effective movement with the partner. This, this study aims to develop a motion design that realizes smooth cooperative movement with a human partner for a personal mobility vehicle. Our proposed vehicle not only estimates its partner's intention and moves accordingly but also reveals its own intention to the partner. To realize this objective, we investigate conditions that induce the partner's movements and propose a motion design that follows the partner's intended movement. Our proposed method is installed in our omni-directional prototype vehicle and evaluated its effectiveness in experiments.
We search for gravitational-wave (GW) transients associated with fast radio bursts (FRBs) detected by the Canadian Hydrogen Intensity Mapping Experiment Fast Radio Burst Project, during the first part of the third obs...
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Image magnification is one of the branches in digital image processing that is often required in various applications such as in the field of medicine, multimedia, and in satellite imagery. As technology grows, more a...
Image magnification is one of the branches in digital image processing that is often required in various applications such as in the field of medicine, multimedia, and in satellite imagery. As technology grows, more and more methods are used for image enlargement. In this study, the image enlargement process performs by using Bi-Cubic spline interpolation method, and the result of image try to compare between the original one and picture after enlargement.
This paper put forwards a study on the development of navigation and guidance systems for AUV. The restriction in AUV model and estimation on the degree of freedom are recognized as the common problem in AUV's nav...
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This study presents the modelling and simulation of an airport terminal using EnergyPlus software considering the conditions currently faced by the terminal, the cooling demand attended to by chillers and an alternati...
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ISBN:
(纸本)9782955553909
This study presents the modelling and simulation of an airport terminal using EnergyPlus software considering the conditions currently faced by the terminal, the cooling demand attended to by chillers and an alternative situation in which a thermal energy storage (TES) tank is employed. The airport terminal was modelled considering real materials, occupation schedules and equipment usage coupled to the climatic file for the specific city where the airport is located. The electrical energy consumption and power demand were adjusted to match the energy and demand bills issued by the local electricity utility company. The air-conditioning system was modelled using performance data obtained from the manufacturers of the equipment. The electricity cost reduction was estimated in US$ 285,000.00 per year, mainly due to an electrical demand reduction of almost 24% at peak hours. The use of different operating strategies such as night operation allowed for a higher coefficient of performance (COP) to be achieved. Considering only the summer months, a general energy reduction of 5% was estimated for the HVAC system plant equipment. Another important benefit of TES is the possibility of increasing the airport's cooling capacity by approximately 25% through the simultaneous use of the HVAC system and cooling storage tank capacities.
This study aims to provide subsidy for construction entrepreneurs in the implementation of a Health and Safety Work (HSW) Management plan based on OSHAS 18001 specifications [1], the guidelines of ILO Brazil (Internat...
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ISBN:
(纸本)9780983762447
This study aims to provide subsidy for construction entrepreneurs in the implementation of a Health and Safety Work (HSW) Management plan based on OSHAS 18001 specifications [1], the guidelines of ILO Brazil (International Labor Organization) and other legislations related to workers health and safety. The method presented here was based on national and international publications about management methods, identifying the requirements of HSW legislation and how can organizations define a schedule to implement its management. As a methodology, explanatory research was used, aiming to develop, explain and modify concepts and ideas, considering more precise problem formulations or researchable hypothesis for further studies and descriptive research, where facts are observed, registered, analyzed, classified and interpreted. The integration of a quality management system, environment, health and safety at work legislation is a reality in Brazil and a global tendency that if applied effectively in companies' daily operations, can result in continuous improvement of entrepreneurial development and satisfaction of the parts interested.
作者:
Gasparin, SuelenBerger, JulienDutykh, DenysMendes, NathanLAMA
CNRS Université Savoie Mont Blanc Campus Scientifique Le Bourget-du-Lac CedexF-73376 France Thermal Systems Laboratory
Mechanical Engineering Graduate Program Pontifical Catholic University of Paraná Rua Imaculada Conceicaõ 1155 Curitiba-Paraná Brazil LOCIE
UMR CNRS Université Savoie Mont Blanc Campus Scientifique Le Bourget-du-Lac CedexF-73376 France Univ. Grenoble Alpes
Univ. Savoie Mont Blanc CNRS LAMA Chambéry73000 France LAMA
CNRS Université Savoie Mont Blanc Campus Scientifique Le Bourget-du-Lac CedexF-73376 France
This paper proposes the use of a Spectral method to simulate diffusive moisture transfer through porous materials as a Reduced-Order Model (ROM). The Spectral approach is an a priori method assuming a separated repres...
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Onset of nucleate boiling of a droplet when impacted onto hot surface was investigated. Three kinds of surfaces, normal stainless steel (NSS), stainless steel with TiO2 coating (UVN), and stainless steel with TiO2 coa...
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Onset of nucleate boiling of a droplet when impacted onto hot surface was investigated. Three kinds of surfaces, normal stainless steel (NSS), stainless steel with TiO2 coating (UVN), and stainless steel with TiO2 coating and radiated by ultraviolet ray were employed to examine the effect of wettability. The droplet size was 2.4 mm diameter, and dropped under different We number. The image is generated by high speed camera with the frame speed of 1000 fps. The boiling conditions are identified as natural convection, nucleate boiling, critical heat flux, transition, and film boiling. In the present report, the discussion will be focused on the beginning of nucleate boiling on the droplet. Nucleate boiling occurs when bubbles are generated. These bubbles are probably caused by nucleation on the impurities within the liquid rather than at nucleation sites on the heated surface because the bubbles appear to be in the bulk of the liquid instead of at the liquid-solid interface. In addition, the smaller the contact angle, the fastest the boiling. [ABSTRACT FROM AUTHOR]
We present the results of a search for gravitational-wave transients associated with core-collapse supernova SN 2023ixf, which was observed in the galaxy Messier 101 via optical emission on 2023 May 19, during the LIG...
This paper proposes a control structure for a heterogeneous leader-follower formation involving an unmanned ground vehicle (UGV) - the leader, and an unmanned aerial vehicle (UAV) - the follower, based on their kinema...
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This paper proposes a control structure for a heterogeneous leader-follower formation involving an unmanned ground vehicle (UGV) - the leader, and an unmanned aerial vehicle (UAV) - the follower, based on their kinematic models. The control architecture is a centralized one, in which it is possible to get the robots sensory data and to synthesize and deliver the control signals necessary to establish the formation. The experimental platform, the mathematical models of the robots and other structures needed to carry out the cooperative navigation are detailed. The closed-loop system stability is demonstrated and the effectiveness of the proposed methodology is validated through experimental results.
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