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Journal articles on the topic 'Passive safety. structural interaction'

Author: Grafiati

Published: 4 June 2021

Last updated: 19 February 2022

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1

Vrecl Kojc, H., and L. Trauner. "Upper-bound approach for analysis of cantilever retaining walls." Canadian Geotechnical Journal 47, no. 9 (September 2010): 999–1010. http://dx.doi.org/10.1139/t10-004.

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The proposed method for the analysis of cantilever retaining walls is based on ultimate limit states, but in contrast to other methods, which are recognized worldwide, also considers the condition of vertical force equilibrium, which includes the wall unit weight and the vertical component of the soil–structure interaction. The two-dimensional analytical model with polygonal soil pressure distribution is based on two new characteristics: the parameter α and the passive pressure coefficient at the embedment depth, Kb. The kinematic approach of limit analysis is used to examine the limit equilib

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2

Yuan, Jian, Lin He, Feng Fan, and Cong Liu. "THE DYNAMIC PARAMETERS OF PASSIVE HUMAN AT TEMPORARY DEMOUNTABLE GRANDSTANDS DURING EXPOSURE TO LATERAL VIBRATION." Journal of Civil Engineering and Management 24, no. 4 (June 29, 2018): 265–83. http://dx.doi.org/10.3846/jcem.2018.3073.

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Modelling the interaction between crowds and temporary demountable grandstands with identifying the human dynamic properties are challenges for structure optimal design. In this paper, for investigating and understanding the human and structural lateral dynamic features. A demountable grandstand was tested to obtain its model parameters firstly. Then it is tested at amplitudes between 0.16 m/s2 to 1.54 m/s2 with 75 random waves through a shaking table when occupied by twenty persons. Afterword a simplified two-degree of freedom lumped dynamic model of the joint human-structure system is reinte

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3

Adedeji, Joseph Adeniran, Joseph Akinlabi Fadamiro, and Timothy Oluseyi Odeyale. "Design toolkits for campus open spaces from post-occupancy evaluations of federal universities in South-west Nigeria." Built Environment Project and Asset Management 10, no. 2 (October 9, 2019): 296–311. http://dx.doi.org/10.1108/bepam-11-2018-0138.

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Purpose Participatory design strategy through post-occupancy evaluation of built assets is a feedback mechanism into the design process. This paper draws upon a wider empirical study that aims at evaluating the University Campus Open Spaces (UCOS) of six federal universities in South-west Nigeria. The purpose of this paper is to generate evidence-based design toolkits for UCOS towards spanning of disconnects between designers and users thereby revisiting and revitalizing their design criteria. Design/methodology/approach A sample (n=3,016) of users was drawn in a cross-sectional survey through

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4

Yu, Yang, Shimin Wei, Haiyan Sheng, and Yingkun Zhang. "Research on Real-Time Joint Stiffness Configuration of a Series Parallel Hybrid 7-DOF Humanoid Manipulator in Continuous Motion." Applied Sciences 11, no. 5 (March 9, 2021): 2433. http://dx.doi.org/10.3390/app11052433.

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In this paper, the real-time joint stiffness configuration strategy of a series parallel hybrid 7-DOF (degree of freedom) humanoid manipulator with flexible joints in continuous motion is studied. Firstly, considering the potential human robot accidental collision, combined with the manipulator safety index (MSI) and human body injury thresholds, the motion speed and joint stiffness of the robot are optimized in advance. Secondly, using hyperbolic tangent function for reference, the relationship between joint torques and passive joint deflection angles of the robot is given, which is beneficia

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Ticona Melo, Ladislao R., Tulio N. Bittencourt, Diogo Ribeiro, and Rui Calçada. "Dynamic Response of a Railway Bridge to Heavy Axle-Load Trains Considering Vehicle–Bridge Interaction." International Journal of Structural Stability and Dynamics 18, no. 01 (January 2018): 1850010. http://dx.doi.org/10.1142/s0219455418500104.

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Railway bridges can be particularly sensitive to dynamic effects induced by trains owing to the resonance phenomena originated by periodic loading associated with the passage of regularly spaced train’s axles groups. The increase of these dynamic effects in bridges located in freight railway lines, due to heavy axle-loads, higher circulation speeds, and the existence of track irregularities or wheel defects, can lead to excessive bridge vibrations, that can put in risk the structural safety, mainly due to the fatigue phenomena, and wheel–rail contact stability. In this study, the dynamic respo

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Chen, Rong, and Wang Ping. "Dynamic Characteristics of High Speed Vehicle Passing over Railway Turnout on Bridge." Advanced Materials Research 455-456 (January 2012): 1438–43. http://dx.doi.org/10.4028/www.scientific.net/amr.455-456.1438.

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Based on principle of vehicle-track-bridge dynamic interaction, a dynamic simulation model of a high-speed electric multiple units (EMUs) passing over turnout on bridge was established. The calculation focused on 200km/h No.12 improved ballasted turnout (60kg/m rail) being laid on 3×32.0m simply supported beam, it analyze dynamic characteristics of a freight train with 25t axle load passing at speed of 120km/h and those of CRH1 EMUs passing at speed of 200km/h. Results show that: when the freight train passes the turnout through the main line, the vertical stiffness of the simply supported bea

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Bao, Yulong, Huoyue Xiang, and Yongle Li. "A dynamic analysis scheme for the suspended monorail vehicle–curved bridge coupling system." Advances in Structural Engineering 23, no. 8 (January 20, 2020): 1728–38. http://dx.doi.org/10.1177/1369433219900302.

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Based on the rigid–flexible coupling method, an original scheme for the dynamic analysis of the vehicle–bridge interaction between suspended monorail trains and horizontally curved bridges is proposed. Considering the compression deformation and contact model of walking tire and guiding tire, the geometric and mechanical coupling relationships between vehicle and bridge are studied, and the dynamic equations of suspended monorail vehicle–bridge interaction are derived. A vehicle–curved bridge coupling vibration system is established according to transformable relationship between the local coo

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Тарасова, E. Tarasova, Дорохин, and S. Dorokhin. "ACTIVE AND PASSIVE SAFETY VEHICLES." Alternative energy sources in the transport-technological complex: problems and prospects of rational use of 2, no. 2 (December 17, 2015): 713–18. http://dx.doi.org/10.12737/19537.

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The article describes the basic elements of active and passive safety, as well as their impact on the consequences of road accidents. Shows the interaction of systems of active and passive safe- ty in the event of a frontal collision, side collision, rear impact, rollover

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9

Piet, Steven J., Leonid N. Topilski, Hans-Werner Bartels, Andre E. Poucet, and David A. Petti. "ITER inherent/passive ultimate safety margins." Fusion Engineering and Design 42, no. 1-4 (September 1998): 21–27. http://dx.doi.org/10.1016/s0920-3796(97)00149-x.

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10

BELOKUROV, V. P., E. N. BUSARIN, R. A. KORABLEV, and R. A. SPODAREV. "PASSIVE SAFETY OF MOTOR TRANSPORT DEPENDING ON THE." World of transport and technological machines 73, no. 2 (2021): 17–22. http://dx.doi.org/10.33979/2073-7432-2021-73-2-17-22.

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The interrelation of thermal modes of brake units of transport vehicles on their reliability and durability depending on operational factors of transport is considered. It is assumed that all the kinetic energy of rotating and translationally moving masses in the brake nodes is converted into thermal energy. In this regard, a criterion is used that characterizes the thermal energy released in the brakes and the operational criterion of transport vehicles. Comparison of these criteria makes it possible to evaluate the performance and durability of brake components, as well as to outline ways of

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Kovanda, J., T. Růžička, and M. Kepka. "Bonding of Structural Parts of Vehicle Bodies and Aspects of Passive Safety." Transactions on Transport Sciences 2, no. 2 (June 1, 2009): 74–85. http://dx.doi.org/10.5507/tots.2009.012.

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12

Wang, Xin Yu, Deng Feng Wang, Wan Lai Sun, and Pei Wu Liu. "Lightweight Design for a Cab of a Heavy-Duty Truck Based on Passive Safety." Advanced Materials Research 569 (September 2012): 603–9. http://dx.doi.org/10.4028/www.scientific.net/amr.569.603.

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This paper focuses on the cab of a heavy-duty truck. Lightweight design and structural improvements for the cab-in-white were carried out by using the topology optimization shape optimization and size optimization methods, and the weight was reduced by 46kg without changing the cab structural materials. Performed modal analysis of the lightweight cab, and then compared analysis results with those corresponding results of the original cab. Comparative analysis showed that the first ten natural vibration frequencies of the lightweight cab all have a certain increase compared with those of the or

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Khan, Said G., Guido Herrmann, Mubarak Al Grafi, Tony Pipe, and Chris Melhuish. "Compliance Control and Human–Robot Interaction: Part 1 — Survey." International Journal of Humanoid Robotics 11, no. 03 (September 2014): 1430001. http://dx.doi.org/10.1142/s0219843614300013.

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Compliance control is highly relevant to human safety in human–robot interaction (HRI). This paper presents a review of various compliance control techniques. The paper is aimed to provide a good background knowledge for new researchers and highlight the current hot issues in compliance control research. Active compliance, passive compliance, adaptive and reinforcement learning-based compliance control techniques are discussed. This paper provides a comprehensive literature survey of compliance control keeping in view physical human robot interaction (pHRI) e.g., passing an object, such as a c

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Van Dam, Jared, Steven J. Kass, and Lisa VanWormer. "The effects of passive mobile phone interaction on situation awareness and driving performance." Journal of Transportation Safety & Security 12, no. 8 (January 20, 2019): 1007–24. http://dx.doi.org/10.1080/19439962.2018.1564947.

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KOPCZYńSKI, A., M. PTAK, and P. HARNATKIEWICZ. "The influence of frontal protection system design on pedestrian passive safety." Archives of Civil and Mechanical Engineering 11, no. 2 (January 2011): 345–64. http://dx.doi.org/10.1016/s1644-9665(12)60148-4.

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Phillips, J. H., C. L. Atwood, H. L. Magleby, and S. T. Khericha. "Interpretation of Probabilistic Structural Analysis of an Aging Passive Component." Journal of Pressure Vessel Technology 116, no. 3 (August 1, 1994): 295–301. http://dx.doi.org/10.1115/1.2929591.

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This article describes a technique to calculate the risk from failure of passive components over time, and demonstrates the technique by applying it to a weld in the auxiliary feedwater (AFW) system. It uses a modified version of the PRAISE computer code to perform a probabilistic structural analysis to calculate the probability that crack growth due to aging would cause the weld to rupture. It then uses the weld rupture probability as input to a modified existing PRA to calculate the change in plant risk with time. The results show an insignificant effect on plant risk because of the low calc

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Feih, S., A. P. Mouritz, Z. Mathys, and A. G. Gibson. "Fire Structural Modeling of Polymer Composites with Passive Thermal Barrier." Journal of Fire Sciences 28, no. 2 (July 30, 2009): 141–60. http://dx.doi.org/10.1177/0734904109340878.

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18

Gera, B., Pavan K. Sharma, R. K. Singh, and K. K. Vaze. "CFD analysis of passive autocatalytic recombiner interaction with atmosphere." Kerntechnik 76, no. 2 (May 2011): 98–103. http://dx.doi.org/10.3139/124.110119.

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Jung, HaJin, Suran Lee, and YoungWoo Sohn. "The influence of safety-specific transformational leadership on the safety behaviors." Korean Journal of Industrial and Organizational Psychology 28, no. 2 (May 31, 2015): 249–74. http://dx.doi.org/10.24230/kjiop.v28i2.249-274.

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This study examined the influence of safety-specific leadership style (transformational, passive) on safety motivation and safety behaviors. Specifically, the study examined the sequential mediating effect of group-level safety climate and autonomous safety motivations (intrinsic, identified regulation) on the relationship between safety-specific transformational leadership (SSTL) and safety behaviors (participation, compliance) by using structural equation modeling. The study also investigated the moderating effect of trust in leader on the relationship of safety-specific leadership and group

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Chen, Min, and Guo Jing He. "The Research Status and Prospect of Passive Energy Dissipation Technology in Fields of Structural Engineering." Applied Mechanics and Materials 166-169 (May 2012): 338–42. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.338.

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This paper generalizes the research status of passive energy dissipation technology in the field of Structural Engineering. Many achievements has been gotten since its emergence, including the manufacture of dampers, the experimental research and control effect analysis for energy dissipation systems, as well as the studies on its optimal design theory, which plays an important role in protecting people's life safety. However, the current design idea mainly focuses on the security, thus the energy dissipation structures will still suffer great economic losses even in moderate earthquakes. As a

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Lee, Chang, Russell, Lipsitch, and Maurer-Stroh. "Influenza A Hemagglutinin Passage Bias Sites and Host Specificity Mutations." Cells 8, no. 9 (August 22, 2019): 958. http://dx.doi.org/10.3390/cells8090958.

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Animal studies aimed at understanding influenza virus mutations that change host specificity to adapt to replication in mammalian hosts are necessarily limited in sample numbers due to high cost and safety requirements. As a safe, higher-throughput alternative, we explore the possibility of using readily available passage bias data obtained mostly from seasonal H1 and H3 influenza strains that were differentially grown in mammalian (MDCK) and avian cells (eggs). Using a statistical approach over 80,000 influenza hemagglutinin sequences with passage information, we found that passage bias sites

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22

Naumenko, N. Ye, and I. Yu Khyzha. "MODELING OF INTERACTION OF THE PASSENGER TRAIN VEHICLES, EQUIPPED BY PASSIVE SAFETY, AT ACCIDENTAL COLLISION WITH OBSTACLE." Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport, no. 4(58) (September 11, 2015): 163–74. http://dx.doi.org/10.15802/stp2015/49280.

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23

Drobakha, Hr, I. Neklonskyi, A. Kateshchenok, V. Sobyna, D. Taraduda, L. Borysova, and I. Lysachenko. "Structural and functional simulation of interaction in the field of aviation safety by using matrices." Archives of Materials Science and Engineering 2, no. 95 (February 1, 2019): 74–84. http://dx.doi.org/10.5604/01.3001.0013.1734.

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Purpose: The conducted research was aimed at constructing a structural and functional model for the interaction of bodies providing aviation safety during crisis management. Design/methodology/approach: The methods of mathematical simulation and the graph theory, the methods comparison and formalization have been applied to study the process of interaction between the bodies assuring aviation safety. Using methods of the linear algebra allowed constructing a mathematical model for the functional structure of the interaction process that contains description of this process by the main methods

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Pandey, Mahesh D. "Stochastic analysis of structures with passive seismic control." Canadian Journal of Civil Engineering 22, no. 5 (October 1, 1995): 970–80. http://dx.doi.org/10.1139/l95-113.

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In modern building design, the installation of passive control devices such as friction cross-bracings and viscoelastic dampers is considered an attractive option for controlling structural damage due to an earthquake. These control devices, like safety valves, allow earthquake energy dissipation at purposely designed locations such that ductility demands on other structural members are greatly reduced. The paper presents a nonlinear stochastic analysis procedure for large building structures equipped with passive control devices using the method of equivalent linearization. A generalization o

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Horwitz, Sujin K., and Irwin B. Horwitz. "The effects of organizational commitment and structural empowerment on patient safety culture." Journal of Health Organization and Management 31, no. 1 (March 20, 2017): 10–27. http://dx.doi.org/10.1108/jhom-07-2016-0150.

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Purpose The purpose of this paper is to investigate the relationship between patient safety culture and two attitudinal constructs: affective organizational commitment and structural empowerment. In doing so, the main and interaction effects of the two constructs on the perception of patient safety culture were assessed using a cohort of physicians. Design/methodology/approach Affective commitment was measured with the Organizational Commitment Questionnaire, whereas structural empowerment was assessed with the Conditions of Work Effectiveness Questionnaire-II. The abbreviated versions of thes

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Varlahov, V., and A. Lubentsov. "PECULIARITIES OF CONDUCTING FORENSIC RESEARCH ON PASSENGER SRS VEHICLE SYSTEM TO ESTABLISH THE REASON NOT CAUSE THE FRONT BUCKLES." Theory and Practice of Forensic Science and Criminalistics 19, no. 1 (June 2, 2019): 309–19. http://dx.doi.org/10.32353/khrife.1.2019.23.

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Issues that arise from experts during the performance of court automotive expert assessments (expert researches) of technical condition of automobiles are considered, namely: SRS passive safety systems. The sequence of carrying out elemental research of the passive safety system of the SRS of cars on establishing the reasons for failure of the front (front) airbag of the passenger during a traffic accident is presented. The urgency of this paper is due, on the one hand, to the mass installation of airbags on cars of different brands, which are intended to protect the driver and passengers of v

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Pinelli, Jean-Paul, James I. Craig, Barry J. Goodno, and Cheng-Chieh Hsu. "Passive Control of Building Response Using Energy Dissipating Cladding Connections." Earthquake Spectra 9, no. 3 (August 1993): 529–46. http://dx.doi.org/10.1193/1.1585728.

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Ductile cladding connections take advantage of the cladding-structure interaction during an earthquake to dissipate energy. An experimental test program studied the behavior of the different components of a connection system. Analytical models of the connection were incorporated into a 2D model of a six story building with cladding. Time histories of the energy demand and supply to the building, both with and without cladding, trace the response of the structure to earthquake excitations. Results show that properly designed energy dissipative connector elements can be responsible for the total

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Wang, Longfang, and Weiliang He. "Analytical Study on Deformation and Structural Safety of Parafoil." International Journal of Aerospace Engineering 2018 (2018): 1–7. http://dx.doi.org/10.1155/2018/8924983.

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This study focuses on the cell bump distortion and bearing capacity of parafoil structure. Based on the mechanical properties of the membrane structure, the spanwise model of parafoil inflation was established and verified by comparing with the fluid-structure interaction (FSI) results. Because the internal pressure is very low, the chordwise stiffness is mainly generated by suspending lines. The chordwise model of inflated parafoil was established in consideration of elastic force and aerodynamic force. The results show that the cell is slenderer; the canopy surface is smoother; the aerodynam

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Huang, Chao Qun, and Fei Lai. "Study on the Structural Improvement Methods for Car Frontal Crash." Advanced Materials Research 479-481 (February 2012): 2489–92. http://dx.doi.org/10.4028/www.scientific.net/amr.479-481.2489.

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Taking a sedan as the research object, the frontal impact simulation was done. The results showed that the corresponding results of the structure deformation of the body are in agreement with the experimental data. On account of the driving zone and driver survival space that were compressed seriously, some improvements of the front carling were taken in designing. The structural simulation analysis and dummy injury analysis were done to verify the effectiveness of the improved scheme: the peak acceleration of B-Pillar was greatly reduced, the damage value of dummy was significantly reduced, a

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Nejatbakhsh, Naemeh, and Kazuhiro Kosuge. "Loose Guide for Passive Omnidirectional Mobility Aid." Journal of Robotics and Mechatronics 18, no. 4 (August 20, 2006): 511–18. http://dx.doi.org/10.20965/jrm.2006.p0511.

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This paper details the design and control of an intelligent mobility aid for the elderly and gait-disabled, called Omni RT Walker (ORTW). Omni RT Walker-II, version 2 of ORTW, consists of an omnidirectional platform and uses magneto-rheological brakes for passive control. ORTW-II enables the elderly to use the driving skills they possess while supplementing movement that may have declined due to their age or fatigue. We choose indoor navigation as the task to be realized by shared control of ORTW-II. Unlike most path tracking methods, which attempt to lead an objective system on a desired traj

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Bogdanov, Aleksej, Aleksandr Permyakov, and Yulija Zhdanova. "Synthesis of structural scheme of drive of adaptive multiple-link gripper." MATEC Web of Conferences 161 (2018): 03009. http://dx.doi.org/10.1051/matecconf/201816103009.

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The problem of construction of drive of multiple-link gripper capable to operate with human infrastructure objects is considered in the article. Technical specifications of structural scheme of actuating link group of a gripper are determined with reference to analysis of human hand finger bones motion. Structural scheme of system of motion transmission to the output links that realizes group drive and does not have kinematic correspondence of links is recommended. Synthesis of structural scheme is accomplished on the basis of providing of adaptability of output links location to the grasped o

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Leonard, T. R., and W. Herzog. "Regulation of muscle force in the absence of actin-myosin-based cross-bridge interaction." American Journal of Physiology-Cell Physiology 299, no. 1 (July 2010): C14—C20. http://dx.doi.org/10.1152/ajpcell.00049.2010.

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For the past half century, the sliding filament-based cross-bridge theory has been the cornerstone of our understanding of how muscles contract. According to this theory, active force can only occur if there is overlap between the contractile filaments, actin and myosin. Otherwise, forces are thought to be caused by passive structural elements and are assumed to vary solely because of the length of the muscle. We observed increases in muscle force by a factor of 3 to 4 above the purely passive forces for activated and stretched myofibrils in the absence of actin-myosin overlap. We show that th

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Feng, Yongfei, Hongbo Wang, Hao Yan, Xincheng Wang, Zhennan Jin, and Luige Vladareanu. "Research on Safety and Compliance of a New Lower Limb Rehabilitation Robot." Journal of Healthcare Engineering 2017 (2017): 1–11. http://dx.doi.org/10.1155/2017/1523068.

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The lower limb rehabilitation robot is an application of robotic technology for stroke people with lower limb disabilities. A new applicable and effective sitting/lying lower limb rehabilitation robot (LLR-Ro) is proposed, which has the mechanical limit protection, the electrical limit protection, and the software protection to prevent the patient from the secondary damage. Meanwhile, as a new type of the rehabilitation robots, its hip joint rotation ranges are different in the patient sitting training posture and lying training posture. The mechanical leg of the robot has a variable workspace

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Paudyal, Arjun, Hans Degens, Guus C. Baan, Wendy Noort, Mark Slevin, Erwin van Wegen, Gert Kwakkel, and Huub Maas. "Changes in muscle–tendon unit length–force characteristics following experimentally induced photothrombotic stroke cannot be explained by changes in muscle belly structure." European Journal of Applied Physiology 121, no. 9 (June 1, 2021): 2509–19. http://dx.doi.org/10.1007/s00421-021-04729-x.

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Abstract Purpose The aim of this study was to assess the effects of experimentally induced photothrombotic stroke on structural and mechanical properties of rat m. flexor carpi ulnaris. Methods Two groups of Young-adult male Sprague–Dawley rats were measured: stroke (n = 9) and control (n = 7). Photothrombotic stroke was induced in the forelimb region of the primary sensorimotor cortex. Four weeks later, muscle–tendon unit and muscle belly length–force characteristics of the m. flexor carpi ulnaris, mechanical interaction with the neighbouring m. palmaris longus, the number of sarcomeres in se

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Samah, Hasrouri, and Ounis Abdelhafid. "Influence of seismic isolation systems and soil-structure interaction on the response of structures." MATEC Web of Conferences 149 (2018): 02077. http://dx.doi.org/10.1051/matecconf/201814902077.

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The reduction of cyclic loading triggering major damage in urban areas is a major challenge in earthquake engineering. The processes of structural control especially control structures for passive isolation systems and earthquake sinks of energy, which consists in superimposing on the structure a device which modifies the rigidity or the damping of the structural system without the demand for an external energy source and without introducing energy for its operation, these devices with taking account the effect of soilstructure interaction are currently regarded as effective solutions to these

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Cacciola, P., and A. Tombari. "Vibrating barrier: a novel device for the passive control of structures under ground motion." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 471, no. 2179 (July 2015): 20150075. http://dx.doi.org/10.1098/rspa.2015.0075.

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A novel device, called vibrating barrier (ViBa), that aims to reduce the vibrations of adjacent structures subjected to ground motion waves is proposed. The ViBa is a structure buried in the soil and detached from surrounding buildings that is able to absorb a significant portion of the dynamic energy arising from the ground motion. The working principle exploits the dynamic interaction among vibrating structures due to the propagation of waves through the soil, namely the structure–soil–structure interaction. The underlying theoretical aspects of the novel control strategy are scrutinized alo

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Cho, Haeseong, SangJoon Shin, Namhun Lee, and Seungsoo Lee. "Computational Study of Fluid-Structure Interaction on Flapping Wing under Passive Pitching Motion." Journal of Aerospace Engineering 32, no. 4 (July 2019): 04019023. http://dx.doi.org/10.1061/(asce)as.1943-5525.0001011.

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Cha, Jae Ho, and Sung Ho Yoon. "Structural Behaviors of Large Industrial Door Using Computational Fluid Dynamic and Structural Interaction Analysis." Journal of the Korean Society for Precision Engineering 38, no. 6 (June 1, 2021): 441–46. http://dx.doi.org/10.7736/jkspe.021.014.

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Pérez-Aracil, J., E. Pereira, Iván M. Díaz, and P. Reynolds. "Passive and active vibration isolation under isolator-structure interaction: application to vertical excitations." Meccanica 56, no. 8 (March 25, 2021): 1921–35. http://dx.doi.org/10.1007/s11012-021-01342-2.

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AbstractThis work studies the influence of a vibration isolator on the response of a flexible base structure. Two strategies are compared: passive and active vibration isolation (PVI, AVI). Although the multiple advantages of AVI over PVI techniques are well known, their effect in the base structure has not to date been compared. This interaction has an important role in the performance of the general control system, especially when the vibration isolation system is not the only system on the base structure or when there are multiple isolators working simultaneously on it. In addition, the str

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Takamatsu, Kuniyoshi, Tatsuya Matsumoto, Wei Liu, and Koji Morita. "Comparisons between passive RCCSs on degree of passive safety features against accidental conditions and methodology to determine structural thickness of scaled-down heat removal test facilities." Annals of Nuclear Energy 162 (November 2021): 108512. http://dx.doi.org/10.1016/j.anucene.2021.108512.

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Tang, Shuai, Dominic Roberts, and Mani Golparvar-Fard. "Human-object interaction recognition for automatic construction site safety inspection." Automation in Construction 120 (December 2020): 103356. http://dx.doi.org/10.1016/j.autcon.2020.103356.

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Noyce, David A., and Daniel B. Fambro. "Enhanced Traffic Control Devices at Passive Highway-Railroad Grade Crossings." Transportation Research Record: Journal of the Transportation Research Board 1648, no. 1 (January 1998): 19–27. http://dx.doi.org/10.3141/1648-03.

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More than 2,000 crashes and 239 fatalities were reported at public passive highway-railroad grade crossings in 1994. Driver error, often due to a breakdown in communication between traffic control devices and the driver, is commonly cited as a factor in passive grade crossing crashes. The objective of this study was to evaluate an improved method for communicating with drivers in an effort to improve safety at passive grade crossings. Specifically, this study evaluated the effectiveness of a vehicle-activated strobe light and supplemental sign as enhancements to the railroad advance (W10-1) wa

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Krishnaswamy, Kailash, and Perry Y. Li. "Bond Graph Based Approach to Passive Teleoperation of a Hydraulic Backhoe." Journal of Dynamic Systems, Measurement, and Control 128, no. 1 (November 19, 2005): 176–85. http://dx.doi.org/10.1115/1.2168475.

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Human operated, hydraulic actuated machines are widely used in many high-power applications. Improving productivity, safety and task quality (e.g., haptic feedback in a teleoperated scenario) has been the focus of past research. For robotic systems that interact with the physical environments, passivity is a useful property for ensuring safety and interaction stability. While passivity is a well utilized concept in electromechanical robotic systems, investigation of electrohydraulic control systems that enforce this passivity property are rare. This paper proposes and experimentally demonstrat

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Senkal, Doruk, and E. Ilhan Konukseven. "Passive Haptic Interface with MR-Brakes for Dental Implant Surgery." Presence: Teleoperators and Virtual Environments 20, no. 3 (June 1, 2011): 207–22. http://dx.doi.org/10.1162/pres_a_00045.

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In this research a passive haptic interface is explored as a surgical aid for dental implant surgery. The placement of a dental implant is critical since positioning mistakes can lead to permanent damage in the nerves controlling the lips, long lasting numbness, and failure of the implant and the crown on it. Haptic feedback to the surgeon in real time can decrease dependence on the surgeon's skill and experience for accurate implant positioning and increase the overall safety of the procedure. The developed device is a lightweight mechanism with weight compensation. Rotary magnetorheological

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Stuhlenmiller, Florian, Jochen Schuy, Philipp Beckerle, and Stephan Rinderknecht. "A user-specific human-machine interaction strategy for a prosthetic shank adapter." Current Directions in Biomedical Engineering 3, no. 2 (September 7, 2017): 493–96. http://dx.doi.org/10.1515/cdbme-2017-0103.

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AbstractFor people with lower limb amputation, a user-specific human-machine interaction with their prostheses is required to ensure safe and comfortable assistance. Especially during dynamic turning manoeuvres, users experience high loads at the stump, which decreases comfort and may lead to long-term tissue damage. Preliminary experiments with users wearing a configurable, passive torsional adaptor indicate increased comfort and safety achieved by adaptation of torsional stiffness and foot alignment. Moreover, the results show that the individual preference regarding both parameters depend o

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Yu, Zhang-cheng, and Heng Xie. "Feasibility study of applying the passive safety system concept to fusion–fission hybrid reactor." Fusion Engineering and Design 89, no. 4 (April 2014): 370–77. http://dx.doi.org/10.1016/j.fusengdes.2014.03.049.

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Zhang, Hao, Minglei Shi, Lei Yang, and Yuancheng Guo. "A Semianalytical Solution for Passively Loaded Piles Adjacent to Surcharge Load." Advances in Civil Engineering 2020 (June 10, 2020): 1–19. http://dx.doi.org/10.1155/2020/2398389.

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Piles adjacent to a surcharge load commonly support not only active loads from superstructures but also the passive loads caused by soil lateral movement. To investigate the influence of passive load and the response along pile shafts of existing actively loaded piles, a load transfer model for analyzing the soil-pile interaction was developed based on plastic deformation theory and the triparameter soil model. An analytical solution for the deformation and internal force of such piles was proposed using the transfer matrix method, in which the transfer matrix coefficients for piles in free, p

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Mumtaz Qadri, M. N., Fuwang Zhao, and Hui Tang. "Fluid-structure interaction of a fully passive flapping foil for flow energy extraction." International Journal of Mechanical Sciences 177 (July 2020): 105587. http://dx.doi.org/10.1016/j.ijmecsci.2020.105587.

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Nigro, Emidio, Giuseppe Cefarelli, Anna Ferraro, Gaetano Manfredi, and Edoardo Cosenza. "Fire Safety Engineering for Open and Closed Car Parks: C.A.S.E. Project for L’Aquila." Applied Mechanics and Materials 82 (July 2011): 746–51. http://dx.doi.org/10.4028/www.scientific.net/amm.82.746.

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The Fire Safety Engineering (FSE) is a multi-discipline aimed to define the fire safety strategy for buildings under fire conditions, in which structural stability and control of fire spread are achieved by providing active and/or passive fire protection. In this paper, the aspects of FSE for the structural safety checks in case of fire are shown with reference to Italian and European standards. FSE requires the choice of a performance level, the definition of design fire scenarios, the choice of heat flows models and several numerical thermo-mechanical analyses. The information provided by a

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Sobolevska, M. B., and D. V. Horobets. "Analysis of the interaction between a passenger train with passive safety system and a large road vehicle in a collision." Technical mechanics 2019, no. 1 (April 16, 2019): 94–106. http://dx.doi.org/10.15407/itm2019.01.094.

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