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Journal articles on the topic 'Construction simulator'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Nikolic, Dragana, Shrimant Jaruhar, and John I. Messner. "Educational Simulation in Construction: Virtual Construction Simulator." Journal of Computing in Civil Engineering 25, no. 6 (November 2011): 421–29. http://dx.doi.org/10.1061/(asce)cp.1943-5487.0000098.

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2

Lu, Xueqing, and Steven Davis. "Priming effects on safety decisions in a virtual construction simulator." Engineering, Construction and Architectural Management 25, no. 2 (March 19, 2018): 273–94. http://dx.doi.org/10.1108/ecam-05-2016-0114.

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Purpose The purpose of this paper is to investigate the influence of priming on people’s risk perceptions and safety decisions in a virtual construction simulator. Design/methodology/approach Civil engineering students were recruited to interact with a virtual reality (VR) safety simulator. They were divided into four groups covering with and without sound and with and without priming factors. Data were collected on the risks that they perceived and the safety levels of their actions. Findings It was found that obvious stimuli in a virtual environment with sound help people to recognise more hazards near the location of the stimuli. Sound is helpful in training simulations to create high levels of presence. However, priming factors are not suitable to be added to VR simulators for training purposes. Priming of safe choice results in people taking fewer risks in the VR simulator, but this does not carry over into other situations. Compared to priming effects, being “injured” in a training simulator with sound improves trainees’ ability to make safe decisions. Originality/value VR simulation is helpful in construction training because of its unique ability to give trainees exposure to dangerous situations without physical risk. However, the overloading the working memory of users is detrimental to the outcomes. Therefore, the optimum level of complexity in VR simulators should be further studied.

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Allaert, W., Annemieke Van Haver, and Jan Quintelier. "Dynamic spine simulator: design and construction." International Journal Sustainable Construction & Design 1, no. 1 (November 6, 2010): 13. http://dx.doi.org/10.21825/scad.v1i1.20389.

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MD Isa, Siti Fazlina, A. T. S. Azhar, and M. Aziman. "Design, Operation and Construction of a Large Rainfall Simulator for the Field Study on Acidic Barren Slope." Civil Engineering Journal 4, no. 8 (August 27, 2018): 1851. http://dx.doi.org/10.28991/cej-03091119.

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The utilization of rainfall simulators has turned out to be more far reaching with the automated instrumentation and control systems. This paper portrays a rainfall simulator designed for analysis of erosion on steep (2.5H: 1V). A rainfall simulator designed to perform experiments in slope is introduced. The large scale of the apparatus allows the researcher to work in remote areas and on steep slopes. This simulator was designed to be effortlessly set up and kept up as well as able and additionally ready to create a variety of rainfall regimes. The nozzle performance tests and lateral spacing tests were performed at Research Center for Soft Soil (RECESS), which is another Research and Development (R and D) activity by Universiti Tun Hussein Onn Malaysia. This test system is the standard for research involving simulated rainfall. The rainfall simulator is a pressurized nozzle type simulator. It discharges uniform rainfall on a square plot 6 m wide by 6 m (19.685 ft) long. The fundamental parts of a sprinkler rainfall simulator are a nozzle, a structure in which installs the nozzle, and the connections with the water supply and the pumping system. The structure of the test system was manufactured created with four fixed hollow rectangular galvanised on which a header with 25 nozzles attached to it. The nozzles are spaced 1 m apart. Flow meters control the inflow of water from the storage tank, ensuring each nozzle has a similar release rate, regardless of the introduction of the test system. The tank that was utilized has the 200 gallons of water which is 757.08 Lit and the full with water in tank can run the artificial rainfall simulation roughly around 50 to 60 minutes. The support system is collapsible, easy to set up and maintain. The subsequent test system is conservative (under RM9,000 to build), made with industrially accessible parts, simple to set-up and maintain and highly accurate.

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Zolotozubov, D. G., S. V. Kaloshina, S. A. Sazonova, and D. A. Tatiannikov. "RATIONAL PLACEMENT OF WAREHOUSES AT THE CONSTRUCTION SITE." Construction and Geotechnics 11, no. 3 (December 15, 2020): 117–26. http://dx.doi.org/10.15593/2224-9826/2020.3.10.

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Rational construction site planning is especially important when building in cramped urban environments. This requires good training of qualified professionals. Currently, the system of higher professional education imposes new requirements on the technologies of vocational training. The introduction of interactive teaching methods and the improvement of the scientific, methodological and material and technical base are the most important stages on the way to the transition to a new level of education. This process is facilitated by practical exercises using electronic reference books and electronic simulators. As an example, the organization of the interactive form of a practical lesson "Designing temporary warehouses for a construction site" is considered. The lesson is part of the course for training specialists in the development of building master plans. The structure and organization of the lesson is described. It includes such forms of interactive teaching methods as mini-lecture, case-method, discussion. During the lesson, students actively participate in the discussion of the issues under consideration. They offer their own options for solving the tasks assigned to them. Consolidation of the acquired skills for calculating warehouse areas is carried out using an electronic simulator. The simulator allows you to optimize the required warehouse area. To do this, the simulator enters the initial data on the materials required for the construction of the facility. The ability to vary various parameters is provided. The simulator makes it easier to assimilate the studied material. The proposed simulator can also be used for practical purposes, for example, for rational planning of a construction site.

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Sun, Carlos, and Zhu Qing. "Design and Construction of a Virtual Bicycle Simulator for Evaluating Sustainable Facilities Design." Advances in Civil Engineering 2018 (2018): 1–10. http://dx.doi.org/10.1155/2018/5735820.

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The rising interest in sustainable modes of transportation has increased demand for the design and implementation of bicycle facilities in the United States. However, as compared to the vehicular mode, bicycle facilities have relatively less development, research, and understanding. The availability of a bicycling simulator has the potential to contribute to the understanding of bicycle facility design and bicyclist behavior. The design and construction of a bicycling simulator differs from a driving simulator in many ways. A bicycling simulator requires interfaces for bicycle speed, braking, and steering angle as well as a visual interface. In addition, a representation of a real-world network, including pavement, buildings, the sky and background, and fixed and moving objects, needs to be modeled using a simulator engine. This paper presents the details of the ZouSim bicycling simulator development and the tradeoffs associated with various design decisions, such as the choice of a steering sensor and graphical display. A sample application of a wayfinding and detection markings study illustrates the use of ZouSim. The authors hope that this article will encourage other researchers who conduct research in sustainable cities to explore the use of bicycle simulators for improving bicycle facility design and operations.

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Kawasaki, Haruhisa. "Special Issue on Analysis and Simulation Systems for Robotics and Mechatronics." Journal of Robotics and Mechatronics 10, no. 6 (December 20, 1998): 463. http://dx.doi.org/10.20965/jrm.1998.p0463.

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Superior analysis and simulation systems play an important part in robotics and mechatronics R&D. Developing apparatuses involves repeating planning, trial manufacture, experiments, analysis, and improvement. Simulation and analysis are now executed before trial manufacture, decreasing the number of trial manufacture, shortening development, and cutting development cost. Virtual reality is often applied to simulation, and commercialization without trial manufactures will eventually be possible. Most commercialized simulation software are being improved for general use based on software made by researchers because existing analysis and simulation do not function sufficiently and researchers are often required to develop their own analysis and simulation. Simulation developed for research thus may be used by many technical experts and researchers in the future. This special issue introduces seven reports on basic mechanism analysis developed to survey simulation research. Michisuke Jo et al. developed a mechanism kinetic analysis Motor Drive using FORTRAN and MATLAB. This article, entitled Kinematic Analysis of Mechanisms Using Motor Algebra and Graph Theory, considers kinematic analysis method using the latest drive version. Haruhisa Kawasaki et al. are developing robot analysis ROSAM II using C and Maple V. This article, entitled Symbolic Analysis of Robot Base Parameter Set Using Grobner-Basis, considers base parameter analysis of general robots with closed links. Hajime Morikawa et al. developed a robot simulator kinematically simulated by connecting graphic icons. This article, entitled Network-Based Robot Simulator Using Hierarchical Graphic Icons, considers construction of a robot simulator, kinetic analysis of multiple robot arms, dynamic analysis of forest trimmers, and an example applying remote control to space robots. Shigeki Toyama et al. developed general-use mechanism analysis simulator AI MOTION. This article, entitled Dynamic Autonomous Car Mobile Analysis Simulating Mechanical Systems Analysis, considers an autonomous car travel simulator dynamically modeling tires combined into AI MOTION. The simulator analyzes the connection of tire rigidity, car width, caster radius, and motion performance. Takayoshi Muto et al. developed dynamic behavior simulator BDSP for hydraulic systems. This article, entitled Software Package BDSP Developed to Simulate Hydraulic Systems, considers construction of BDSP that analyzes hydraulic systems using easy block diagrams. The simulator analyzes fluid line, nonlinear elements, and discrete time control. Shinichi Nakajima et al. developed a two-dimensional jaw movement simulator for clarifying the function of muscles in lower jaw motion. This article, entitled Development of 2-D Jaw Movement Simulator(JSN/SI), considers hardware and a control system for chewing food at a required force. Yoshiyuki Sankai et al., in Robot Objective Parallel Calculation and Real-time Control Using a Digital Signal Processor, consider parallel distributed and realtime control by DSP for constructing control in an actual robot. This issue discussed analysis and simulation developed for robotics and mechatronics R&D. Most systems are applicable to general-purpose situations. We hope this issue helps deepen the understanding of the status and applications of simulation research in mechatronics and promotes further development in the field.

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Kiwan, Mohamed E., and Abdullah S. Al-Wagdany. "DESIGN AND CONSTRUCTION OF A RAINFALL SIMULATOR." Misr Journal of Agricultural Engineering 26, no. 2 (April 1, 2009): 714–25. http://dx.doi.org/10.21608/mjae.2009.109486.

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Thomas, N. P., and Samir A. El Swaify. "Construction and calibration of a rainfall simulator." Journal of Agricultural Engineering Research 43 (May 1989): 1–9. http://dx.doi.org/10.1016/s0021-8634(89)80001-0.

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10

Chan, R., and CT Sun. "Construction of the Real Patient Simulator System." Perfusion 27, no. 3 (March 8, 2012): 187–92. http://dx.doi.org/10.1177/0267659112437612.

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Namin, Anon, Chaya Jivacate, Dhirayut Chenvidhya, Krissanapong Kirtikara, and Jutturit Thongpron. "Construction of Tungsten Halogen, Pulsed LED, and Combined Tungsten Halogen-LED Solar Simulators for Solar CellI-VCharacterization and Electrical Parameters Determination." International Journal of Photoenergy 2012 (2012): 1–9. http://dx.doi.org/10.1155/2012/527820.

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I-Vcharacterization of solar cells is generally done under natural sunlight or solar simulators operating in either a continuous mode or a pulse mode. Simulators are classified on three features of irradiance, namely, spectral match with respect to air mass 1.5, spatial uniformity, and temporal stability. Commercial solar simulators use Xenon lamps and halogen lamps, whereas LED-based solar simulators are being developed. In this work, we build and test seven simulators for solar cell characterization, namely, one tungsten halogen simulator, four monochromatic (red, green, blue, and white) LED simulators, one multicolor LED simulator, and one tungsten halogen-blue LED simulator. The seven simulators provide testing at nonstandard test condition. High irradiance from simulators is obtained by employing elevated supply voltage to tungsten halogen lamps and high pulsing voltages to LEDs. This new approach leads to higher irradiance not previously obtained from tungsten halogen lamps and LEDs. FromI-Vcurves, electrical parameters of solar cell are made and corrected based on methods recommended in the IEC 60891 Standards. Corrected values obtained from non-STC measurements are in good agreement with those obtained from Class AAA solar simulator.

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Orlov, Aleksey A., Sergey N. Timchenko, and Vladimir S. Sidorenko. "Computer Simulator of Separation Production." Advanced Materials Research 1084 (January 2015): 642–46. http://dx.doi.org/10.4028/www.scientific.net/amr.1084.642.

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The article describes the structure, architecture, principles of construction and operating modes of the computer software that simulates operators' workplaces of centrifuge uranium enrichment production. We have implemented the networking of computer simulator modules and equipment database. A computer simulator of the isotope separation plant of Siberian Chemical Plant OJSC has been created on the basis of the architecture developed. The main purpose of the simulator is to train the operating personnel for production process control in standard and emergency situations.

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Zhang, Jia Yu, Hai Dong Wang, Hu Li Niu, Zhao Hua Zhi, and Li Xia Guo. "The Construction of Multi-Light Steady Solar Simulator Experiment Platform." Applied Mechanics and Materials 368-370 (August 2013): 1296–99. http://dx.doi.org/10.4028/www.scientific.net/amm.368-370.1296.

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Discussed the use and application prospects of the solar simulator, we design a complete solar simulator experiment platform, the simulator contain the optical system, air-cooled system, the mechanical structure and control system. The significance of this paper is to propose a new method for the design of the steady-state solar simulator, which is able to complete a seamless connection with a lot of laboratory equipment and has played an active meaning for the development of the application of solar energy industry .

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Gan, Edward Chern Jinn, Alex Remennikov, David Ritzel, and Brian Uy. "Approximating a far-field blast environment in an advanced blast simulator for explosion resistance testing." International Journal of Protective Structures 11, no. 4 (March 13, 2020): 468–93. http://dx.doi.org/10.1177/2041419620911133.

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While the current state of blast-resistant design methods is based largely on empirical observations of actual explosive testing or numerical simulations, experimental testing remains the ultimate method for validating blast protection technologies. Field trials for performing systematic experimental studies are exceedingly expensive and inefficient. Conventional blast simulators (shock tubes) enable blast testing to be performed in a safe and controlled laboratory environment but are significantly deficient. The Australian National Facility of Physical Blast Simulation based on the ‘Advanced Blast Simulator’ concept was established to address the shortcomings of conventional blast simulators (shock tubes). The blast simulator at the National Facility of Physical Blast Simulation is a state-of-the-art design having a test section of 1.5 × 2.0 m with dual-mode driver able of operating with either compressed gas or gaseous detonation modes. The simulator is capable of a range of blast-test configurations such as full-reflection wall targets and diffraction model targets. This article aims to demonstrate the ability of the Advanced Blast Simulator in accurately generating a far-field blast environment suitable for high-precision and repeatable explosion testing of various building components. Blast pressure-time histories generated with the Advanced Blast Simulator are validated against equivalent TNT free-field curves reproduced with Conventional Weapons Effects Program. Numerical models based on Computational Fluid Dynamics were developed in ANSYS FLUENT to accurately characterise and visualise the internal flow environment of the National Facility of Physical Blast Simulation Advanced Blast Simulator. The Computational Fluid Dynamics model was also used to explain experimental observations and to determine density and dynamic pressure information for comparisons with free-field explosion conditions.

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Tang, Fang, Yan Ding Wei, Xiao Jun Zhou, Zhu Hui Luo, Ming Xiang Xie, and Pei Xin Li. "Research on Vehicle Dynamics Simulation for Driving Simulator." Advanced Materials Research 308-310 (August 2011): 1946–50. http://dx.doi.org/10.4028/www.scientific.net/amr.308-310.1946.

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In order to fulfill the requirement of vehicle dynamics performance and real-time capability in driving simulator, modeling and simulation method of a four-wheeled vehicle model based on multi body dynamics software Vortex was studied. Fundamental construction and dynamics properties of the model such as body, chassis, wheels, power train, suspension and tyre model were described. The model was tested to simulate on the C grade of road. The results indicate that the model and simulation method can well represent vehicle dynamics performance and high real-time capability of simulation, and is worthy to apply to driving simulator in the future.

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G. T. Roberson and C. W. Suggs. "Construction and Evaluation of a Chainsaw Kickback Simulator." Applied Engineering in Agriculture 7, no. 2 (1991): 153–57. http://dx.doi.org/10.13031/2013.26224.

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17

Gwak, Kwan-Woong. "Model-Referenced Cardiovascular Circulatory Simulator: Construction and Control." Artificial Organs 39, no. 4 (October 27, 2014): 309–18. http://dx.doi.org/10.1111/aor.12378.

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Ndekugri, Issaka, and Peter Lansley. "A real life simulator for construction site management." Computers & Education 19, no. 4 (November 1992): 321–28. http://dx.doi.org/10.1016/0360-1315(92)90079-k.

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19

Kennedy, R. S., G. O. Allgood, B. W. Van Hoy, and M. G. Lilienthal. "Motion Sickness Symptons and Postural Changes following Flights in Motion-Based Flight Trainers." Journal of Low Frequency Noise, Vibration and Active Control 6, no. 4 (December 1987): 147–54. http://dx.doi.org/10.1177/026309238700600402.

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Navy pilots flew over 193 standard training mission scenarios while acceleration recordings in three linear dimensions (gx, gy, and gz) were made for two moving-base flight trainers. The pilots, who were of comparable age and experience in both groups, were interviewed for motion sickness symptomatology and were tested for ataxia after leaving the simulators. The aircraft simulated included a P-3C turboprop fixed-wing patrol aircraft (2F87F), and an SH-3 antisubmarine warfare helicopter (2F64C). Motion sickness incidence was high in the SH-3 simulator and nonexistent in the P-3C. Ataxia scores indicated departures, though not significant, from expected learning curve improvements after exposure in both simulators. Spectral analyses of the motion recordings revealed significant amounts of energy in the nauseogenic region of 0.2 Hz in the SH-3 simulator in the gz and gy, but not in the gx. The levels exceeded those recommended for ship motion exposures by Military Standard 1472C. The P-3C simulator had low levels of energy in these regions, and well below recommended levels. The data are discussed from the standpoint that simulator sickness in moving-base simulation may be, at least in part, a function of exposure to frequencies that make people seasick.

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Lee, Sanghoon, Dragana Nikolic, and John I. Messner. "Framework of the Virtual Construction Simulator 3 for Construction Planning and Management Education." Journal of Computing in Civil Engineering 29, no. 2 (March 2015): 05014008. http://dx.doi.org/10.1061/(asce)cp.1943-5487.0000388.

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Karshenas, Saeed. "Discussion of “Educational Simulation in Construction: Virtual Construction Simulator” by Dragana Nikolic, Shrimant Jaruhar, and John I. Messner." Journal of Computing in Civil Engineering 26, no. 6 (November 2012): 804–5. http://dx.doi.org/10.1061/(asce)cp.1943-5487.0000223.

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Nikolic, Dragana, Shrimant Jaruhar, and John I. Messner. "Closure to “Educational Simulation in Construction: Virtual Construction Simulator” by Dragana Nikolic, Shrimant Jaruhar, and John I. Messner." Journal of Computing in Civil Engineering 26, no. 6 (November 2012): 805–6. http://dx.doi.org/10.1061/(asce)cp.1943-5487.0000231.

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23

Jia, Li Shan, and Li Wen Wang. "Construction of Motion Model of Motion Simulation System of Airport Fire Engine Simulator." Advanced Materials Research 765-767 (September 2013): 634–38. http://dx.doi.org/10.4028/www.scientific.net/amr.765-767.634.

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To the high real-time quality requirement of motion simulation system of airport fire engine simulator, a simulation system with simplified motion model was promoted. The simplified motion model simplifies motion model of vehicle based on application requirement of virtual training of vehicle driving. On one hand, the simplification can reduce calculation amount of simulation, on the other hand, the simplification can make it easier to get parameters of model. Motion simulation system based on simplified motion model of airport fire engine was constructed and experiment was taken. Experiment showed that the motion simulation system has high calculation speed and good fidelity through setting parameters properly.

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Nakata, Narutoshi. "A multi-purpose earthquake simulator and a flexible development platform for actuator controller design." Journal of Vibration and Control 18, no. 10 (October 26, 2011): 1552–60. http://dx.doi.org/10.1177/1077546311421946.

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This paper presents a multi-purpose uniaxial earthquake simulator that has been designed and developed at the Johns Hopkins University. The earthquake simulator is coupled with a flexible platform that facilitates the development of actuator control strategies to enhance accuracy in shake table tests. The development platform provides a full access to processes in control including an actuator servo control loop, enabling high-fidelity controller designs to be implemented and experimentally investigated for earthquake simulators. This paper presents construction details, hydraulic components, dynamic specifications, an integrated control and data acquisition system, and example applications of the earthquake simulator. The paper demonstrates the versatility of the earthquake simulator and the development platform that can be adopted elsewhere.

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McAvoy, Deborah S., Kerrie L. Schattler, and Tapan K. Datta. "Driving Simulator Validation for Nighttime Construction Work Zone Devices." Transportation Research Record: Journal of the Transportation Research Board 2015, no. 1 (January 2007): 55–63. http://dx.doi.org/10.3141/2015-07.

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Ng, Kim-Gau. "Design and Construction of an Oscillometric Blood Pressure Simulator." Journal of Clinical Engineering 23, no. 3 (May 1998): 196–214. http://dx.doi.org/10.1097/00004669-199805000-00019.

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NAKAMURA, Shinya, Hiroshi YOSHINADA, Keita KURASHIKI, Takanobu TANIMOTO, and Daisuke KONDO. "Development of a Dynamics Simulator for the Construction Robot." Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2016 (2016): 1P1–09a6. http://dx.doi.org/10.1299/jsmermd.2016.1p1-09a6.

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YOSHIDA, Akinobu, Mitsuhiro MAKITA, Yukiyo KURIYAGAWA, and Ichiro KAGEYAMA. "3208 Construction of motorcycle riding simulator with stereoscopic vision." Proceedings of the Transportation and Logistics Conference 2014.23 (2014): 241–44. http://dx.doi.org/10.1299/jsmetld.2014.23.241.

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Kim, Y. H., S. T. Cha, J. W. Lee, T. K. Kim, J. B. Choo, and H. K. Nam. "Construction of largest equivalent systems for power system simulator." European Transactions on Electrical Power 16, no. 1 (January 2006): 79–91. http://dx.doi.org/10.1002/etep.66.

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Kelly, A., and M. Hubbard. "Design and construction of a bobsled driver training simulator." Sports Engineering 3, no. 1 (February 2000): 13–24. http://dx.doi.org/10.1046/j.1460-2687.2000.00037.x.

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Claassens, A. S., and H. v. H. van der Watt. "An inexpensive, portable rain simulator: construction and test data." South African Journal of Plant and Soil 10, no. 1 (January 1993): 6–11. http://dx.doi.org/10.1080/02571862.1993.10634635.

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Kim, Kyuchull, and Kewal K. Saluja. "HYSIM: Hybrid Fault Simulation for Synchronous Sequential Circuits." VLSI Design 4, no. 3 (January 1, 1996): 181–97. http://dx.doi.org/10.1155/1996/72136.

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The paper identifies the inefficiencies of the critical processes in concurrent fault simulation and proposes methods to remove such inefficiencies in a systematic manner. Also, proposed are dynamic memory usage reduction strategies for concurrent fault simulators. Through extensive step-by-step experimentation, we verified the effectiveness of the proposed methods for performance improvement and identified best memory management strategy for dynamic memory usage reduction. A simulator, HySim, based on the proposed methods is implemented and shown to outperform the existing fault simulators and achieve dramatic memory usage reduction. The HySim maintains fault lists which are subsets of that of a conventional concurrent fault simulator, which yields shorter fault list processing time and reduced dynamic memory usage. It also employs Release-and-Reconstruct method for fault list construction, where any fault list identified to be useless is released immediately. The experimental results show that Release-and-Reconstruct method is very effective in dynamic memory usage reduction.

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IIDA, Yumi, Kazunori ASANO, and Yasushi UEMATSU. "DEVELOPMENT OF A DOWNBURST SIMULATOR." AIJ Journal of Technology and Design 24, no. 58 (October 20, 2018): 941–46. http://dx.doi.org/10.3130/aijt.24.941.

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Xu, Shuai, Bai Da Zhang, and Yan Su. "OONS: An Object Oriented Neuronal Simulator." Applied Mechanics and Materials 198-199 (September 2012): 917–21. http://dx.doi.org/10.4028/www.scientific.net/amm.198-199.917.

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OONS is a new Object Oriented Neural Simulator. The goal creating it is making the construction of neural model as quickly and easily as possible for the users, and can run in shorter time than other simulators. OONS is written in C++ programming language and using crank-Nicholson implicit integral method to allow for efficient simulations. Because of multi-level package, it is suitable both for beginners and for experts, especially the simulating algorithm researchers. We test OONS by Rallpacks benchmark set, the results show that OONS is higher efficient and more precision.

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V.O., Ostapenko. "Methodological instructions from construction of computer virtual simulator in distance learning systems." Artificial Intelligence 24, no. 3-4 (December 27, 2019): 114–25. http://dx.doi.org/10.15407/jai2019.03-04.114.

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Today, the training of operators of complex industrial technical systems in real installations and in real conditions is very dangerous and expensive, and often can not be implemented. The alternative is computer simulation systems, which simulate real installations as much as possible, generate virtual objects and allow to gain the right and stable skills during training. The paper describes the methodological instructions for the construction of computer virtual simulators in the distance learning systems

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A, Mi Na, Moon Je Koo, and Kwon Soon Lee. "A Development of Next-Generation Port Simulator for the Performance Evaluation of Port Crane." Applied Mechanics and Materials 548-549 (April 2014): 1498–503. http://dx.doi.org/10.4028/www.scientific.net/amm.548-549.1498.

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In this study, the innovative operation system performance was evaluated for port competitiveness improvement at port distribution industry field. We conducted the 3D modeling of existing crane and suggested crane. The loading and unloading simulation was fulfilled for each crane in accordance with developed port simulator scenario. We compared loading and unloading performance of each crane based on the simulation result. Through this, Development of the simulator will be available in the construction and development of the new port cranes. Also, It is performance evaluation method with economic savings and It considered new methods in contrast with the existing development system.

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Benabed, Ahmed, Karim Limam, Bart Janssens, Walter Bosschaerts, and Jan Vercauteren. "Experimental investigation of the airflow generated by the human foot tapping using the hot-wire anemometry." Journal of Building Physics 44, no. 2 (February 10, 2020): 121–36. http://dx.doi.org/10.1177/1744259120905331.

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Human-walking-induced particle resuspension in indoor environments is believed to be an important source of particulate matter. Aerodynamic disturbance generated by the human foot during a gait cycle are the main driver for particle detachment and dispersion in the room. In this work, the hot-wire anemometry technique was employed to investigate the airflow generated by one phase of the human gait cycle: the foot tapping. This phase was simulated by a mechanical simulator that consists of a wooden rectangular 25 × 8 × 1.2 cm plate, and a servomotor that allows downward and upward rotations of the plate with a constant velocity. A correction procedure based on the hot-wire velocity measurements and the analytical solution of Falkner–Skan has been derived to correct the hot-wire readings in the near-wall region. Results show a sharp increase of airflow velocity in front of the simulator after the simulator rotation. Transverse hot-wire measurements downstream of the simulator show that the profile of the maximal velocities reaches a peak at a distance y = 8 × 10−3 m from the wall. The expulsed air from the volume under the simulator propagates downstream from the foot to reach near zero velocity values at 0.15 m away from the top of the simulator.

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Kamezaki, Mitsuhiro, Hiroyasu Iwata, and Shigeki Sugano. "Development of an Operation Skill-Training Simulator for Double-Front Construction Machinery – Training Effect for a House Demolition Work –." Journal of Robotics and Mechatronics 20, no. 4 (August 20, 2008): 602–9. http://dx.doi.org/10.20965/jrm.2008.p0602.

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This paper reports a newly developed simulator for operation skill training in Double-Front Construction Machinery (DFCM) that allows novices to virtually experience tough operations repeatedly using DFCM under various conditions, including dangerous congestion. First, we selected several situations targeted where the DFCM needs to be used to provide a high level of operation skills: sorted dismantling for recycling and reusing resources, rescue and recovery work in disaster areas, and building construction. In addition, we developed an operation skill-training simulator that enables novice operators to repeatedly train with the high level of operation skills needed to easily and safely handle the DFCM in even more complicated works. This simulator system has two joysticks (set in front of a monitor) to dependently control the two fronts of the animated DFCM on the monitor. Several modes involving basic construction tasks are provided and the effects of improvement in operability achieved by the training simulator can be verified. Evaluation experiments indicated that repeated training using the simulator successfully decreased the operation time to complete a task and enhanced positioning accuracy in cooperative transportation with the two fronts. The results confirm the effectiveness of the developed simulator. Futhermore, it was confirmed that informational or operational support based on knowledge provided from experiment results enabled work performance greatly improved.

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Jakobsen, Bent K., Eugene R. Miller, Phil Alman, Mark Huber, and J. Dennis Gay. "The U.S. Merchant Marine Academy Liquid Cargo Handling Simulator." Marine Technology and SNAME News 27, no. 04 (July 1, 1990): 257–64. http://dx.doi.org/10.5957/mt1.1990.27.4.257.

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This paper describes the tanker cargo handling simulator recently installed at the U.S. Merchant Marine Academy. The tanker simulator is modeled on a nominal 80 000-dwt tank vessel with segregated ballast, crude oil wash, and inert gas systems. The loading console is typical in design, construction, and detail to that which is normally found in a shipboard cargo control room. Through the real-time operation of this console, the student receives training in tanker loading, discharging, and ballasting operations. In addition, a unique method of instructor interface and control allows the incorporation of spontaneous malfunctions in an exercise. The simulator is based on a computer model using hydraulic network theory to describe the piping systems and overall performance. This paper describes the development of the simulator and many of the features incorporated in it. Attention is given to the instructor's interface, which is made user friendly through the use of simulation control menus. These menus allow the instructor to completely command and monitor the simulation exercise.

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Farfán, Ricardo Fabricio Muñoz, Telly Yarita Macías Zambrano, Vicente Paúl Zambrano Valencia, and Victor Manuel Delgado Sosa. "Design and construction of a cold production simulator system: chiller." International journal of physical sciences and engineering 3, no. 3 (November 25, 2019): 31–40. http://dx.doi.org/10.29332/ijpse.v3n3.367.

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The design and construction of a cold production system from the ice water submitted by a mechanical direct expansion system contributing to the development of knowledge in the area of air conditioning were carried out. Among the technical design parameters, a direct expansion system with cooling capacity of 9000 BTU/Hrs, R134 refrigerant gas to a turbine for the work of the Fan Coil of ½ Hp of force 220 V was selected, as was the fan motor of the cooling tower as fundamental means for heat transfer. The recirculation pumping system is carried out by pumps of 0.37 kW of power and a maximum flow of 40 l/min. For both the evaporator sump (cold) and the condenser sump (hot). The work stage is given in two independent circuits, the Fan Coil system is connected to the evaporator sump and the cooling tower, in turn, is connected to the condensation system for proper operation and achieve condensation temperatures of 35 ° C and in case of having water requirements in the cold sump, the tower is connected by means of an electromagnetic valve for its supply.

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NAKAMURA, Shinya, Hiroshi YOSHINADA, Keita KURASHIKI, Takanobu TANIMOTO, and Daisuke KONDO. "Development of Operating Interface for Construction Robot using Dynamics Simulator." Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2017 (2017): 2A1—Q09. http://dx.doi.org/10.1299/jsmermd.2017.2a1-q09.

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NANJO, Genki, and Ichiro KAGEYAMA. "Study on Construction of Driving Simulator for Personal Mobility Vehicle." Proceedings of the Transportation and Logistics Conference 2018.27 (2018): 3112. http://dx.doi.org/10.1299/jsmetld.2018.27.3112.

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MAEDA, Tomoyasu, Toshiro NORITSUGU, Masahiro TAKAIWA, and Daisuke SASAKI. "1004 Construction of the Palpation Simulator Using Pneumatic Parallel Manipulator." Proceedings of Conference of Chugoku-Shikoku Branch 2005.43 (2005): 361–62. http://dx.doi.org/10.1299/jsmecs.2005.43.361.

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KAGEYAMA, Ichiro, Yoshinari NINAKAWA, and Eun IM Hyung. "2209 Construction of Traffic Simulator Considered Dynamic Characteristics of Vehicles." Proceedings of the Transportation and Logistics Conference 2000.9 (2000): 77–80. http://dx.doi.org/10.1299/jsmetld.2000.9.77.

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YAMASHITA, Akira, Ichiro KAGEYAMA, and Yukiyo KURIYAGAWA. "2203 Study on Construction of Traffic Simulator Including Decision-Making." Proceedings of the Transportation and Logistics Conference 2005.14 (2005): 67–70. http://dx.doi.org/10.1299/jsmetld.2005.14.67.

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Kirk, T. B., and G. W. Stachowiak. "Design and construction of a wear simulator for knee joints." Journal of Biomechanics 25, no. 7 (July 1992): 768. http://dx.doi.org/10.1016/0021-9290(92)90483-h.

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Pettersen, Øystein, and Tron Golder Kristiansen. "Improved Compaction Modeling in Reservoir Simulation and Coupled Rock Mechanics—Flow Simulation, With Examples From the Valhall Field." SPE Reservoir Evaluation & Engineering 12, no. 02 (April 14, 2009): 329–40. http://dx.doi.org/10.2118/113003-pa.

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Summary In traditional flow simulation, compaction is modeled as a function of fluid pressure, whereas in reality, it is dependent on effective stress (e.g., mean effective and shear stress). Therefore, although compaction computed by a flow simulator may be correct on a regional average basis, the true variation throughout the reservoir (both spatial and temporal) cannot be accounted for by a traditional approach. A stress simulator (i.e., geomechanics model) honoring material properties, rock mechanical boundary conditions, and material-to-material interaction is needed to achieve this compaction. Especially for sands, chalk, and other weak materials, which in general, have a compaction-dependent permeability, the spatial variation of compaction may have a significant impact on the flow pattern. The industry standard approach for computing true compaction is by either doing a fully coupled simulation or by using partial coupling with pore-volume iterations, both typically being expensive in terms of computer processor time. For this reason, the simplified compaction calculations are often used in practice thus disregarding actual physics in the reservoir simulation. In this paper, we describe a procedure whereby a modified (pseudo) material definition is constructed and used to improve compaction calculations by the flow simulator. The construction is based on results from a simplified, coupled flow-stress simulation, typically consisting of three to six explicit stress steps. The resulting compaction field is comparable to the true one and represents a significant improvement over the traditional approach. This compaction state is the optimal input to the stress simulator in a coupled scheme and, therefore, assures the rock mechanics calculations can be performed with maximum efficiency. By using our suggested procedure, the pore-volume iterations in a coupled scheme are eliminated or significantly reduced, and the simulated reservoir state is accurate at all times--not only when stress simulations are performed. Our main goal is to reduce the total computer time in iterative-coupled simulations without loss of accuracy, especially focusing on two mechanistic models from the Valhall field, which is a highly compacting chalk reservoir in the North Sea. We also demonstrate benefits of using the procedure in a simplified form to increase accuracy in reservoir simulation for reservoirs in which coupled simulation is traditionally not seen as needed because of either a perceived lack of complexity or the computing costs. In this paper, we demonstrate that the developed construction methodology is general in use. Further, the maximum permitted difference between flow-simulator calculated compaction and true compaction (i.e., computed from strain using a geomechanics simulator) is user-controlled, such that by proper definition of this parameter, the coupled simulation in most cases can be guaranteed to converge at the first pore-volume iteration.

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Magid, S. I., I. Sh Zagredtinov, S. V. Mishcheryakov, Ye N. Arkhipova, and V. L. Samoylov. "Standardization of digital technologies of simulator systems as a method of ensuring reliability of conditions of service of power engineering facilities (part 3)." Safety and Reliability of Power Industry 13, no. 3 (October 27, 2020): 164–87. http://dx.doi.org/10.24223/1999-5555-2020-13-3-164-187.

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The article deals with the issues of creating standardized digital simulator systems, in order to ensure reliable service conditions of electric power facilities. The article presents the reasons which prevented all simulator designers in power engineering from ensuring efficient functional properties of simulation systems for operator training. The primary problem was the lack of methods and procedures for developing the simulator’s core subsystem – a mathematical model of a power facility, because the existing standards, norms and technical requirements were only concerned with the structure and functional properties of simulator subsystems. These reasons and circumstances determine the current state of the Russian simulator production; its negative trends are covered in depth in this article. There is also a critical assessment of simulators designed by some of the Russian engineers: these machines are not conducive to improving the quality of training and retraining of operating personnel of power companies. The article identifies the concept of a physical-statistical approach to developing a power facility simulation model: it includes preparing an analytical description of the physical processes at the simulation object, adapted to real processes, taking into account real-time sample observation, collecting and analyzing statistical procedure data, adjusting the model structure and assessing the parameters and states of the facility model. This approach concept defines the main aspect of modern methodology for setting and achieving all goals related to the energy facility modeling for simulator construction. Western sanctions and import substitution requirements dictate the necessity of developing home-grown technology, manufacturing and introducing new equipment in power engineering, including the sphere of simulator production. The designers of Russian simulators should understand that the principles and technical rules of power equipment imported from Western countries, including automatic control systems for such equipment, are different from the ones which the Unified Power System of Russia is based on. It is emphasized that, in real operating conditions of Russian power facilities, reliability of operation, maintenance and repair personnel is essential. It is noted that, in order to improve this reliability, it is necessary to develop a new regulatory document which would fully explore its topic: ensuring consistent and efficient methods for developing the structure and functions of digital technological systems for training power facility personnel.

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Kaczor, Maciej, and Marcin Januszka. "Optimization of semi-trailer design as a result of using the MTS road simulator." Mechanik 92, no. 1 (January 14, 2019): 52–54. http://dx.doi.org/10.17814/mechanik.2019.1.10.

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The systematized approach in the process of developing a new technical product should constitute a standard for ensuring high quality, functionality and durability of modern products. This paper presents a methodology used by Wielton company – a manufacturer of trailers and semi-trailers – for the optimization of semi-trailer’s construction, supported by a modern test stand – a road simulator included as part of the methodology. As a result of the optimization of the construction with the use of the road simulator, the semi-trailer as a new product for sale is delivered quickly and it is free from any construction defects.

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Yilmaz, O., and A. C. Cem Say. "Causes of Ineradicable Spurious Predictions in Qualitative Simulation." Journal of Artificial Intelligence Research 27 (December 27, 2006): 551–75. http://dx.doi.org/10.1613/jair.2065.

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It was recently proved that a sound and complete qualitative simulator does not exist, that is, as long as the input-output vocabulary of the state-of-the-art QSIM algorithm is used, there will always be input models which cause any simulator with a coverage guarantee to make spurious predictions in its output. In this paper, we examine whether a meaningfully expressive restriction of this vocabulary is possible so that one can build a simulator with both the soundness and completeness properties. We prove several negative results: All sound qualitative simulators, employing subsets of the QSIM representation which retain the operating region transition feature, and support at least the addition and constancy constraints, are shown to be inherently incomplete. Even when the simulations are restricted to run in a single operating region, a constraint vocabulary containing just the addition, constancy, derivative, and multiplication relations makes the construction of sound and complete qualitative simulators impossible.

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