New generation concrete — new approach in designing of underground structures

2010 ◽  
pp. 137-144 ◽  
Author(s):  
P Czaja ◽  
J Hydzik
Keyword(s):  
Underground Structures ◽  
New Approach ◽  
New Generation

On the Shoulders of Giants

2018 ◽  
Author(s):  
David D. Nolte
Keyword(s):  
Eighteenth Century ◽  
Robert Hooke ◽  
New Approach ◽  
Isaac Newton ◽  
Least Action ◽  
New Science ◽  
Principle Of Least Action ◽  
Parabolic Trajectory ◽  
Leonhard Euler ◽  
New Generation

Galileo’s parabolic trajectory launched a new approach to physics that was taken up by a new generation of scientists like Isaac Newton, Robert Hooke and Edmund Halley. The English Newtonian tradition was adopted by ambitious French iconoclasts who championed Newton over their own Descartes. Chief among these was Pierre Maupertuis, whose principle of least action was developed by Leonhard Euler and Joseph Lagrange into a rigorous new science of dynamics. Along the way, Maupertuis became embroiled in a famous dispute that entangled the King of Prussia as well as the volatile Voltaire who was mourning the death of his mistress Emilie du Chatelet, the lone female French physicist of the eighteenth century.

scholarly journals Design of local heterogeneous system control networks of a new generation with the preservation of the optimality of the main topological functionals of the network

2021 ◽  
Vol 2091 (1) ◽  
pp. 012038
Author(s):  
M F Karavay ◽  
A M Mikhailov
Keyword(s):  
Control System ◽  
System Control ◽  
Computer Engineering ◽  
New Approach ◽  
Control Networks ◽  
Parallel Tasks ◽  
Parallel Mode ◽  
New Generation ◽  
Very High Frequencies ◽  
Weapons Control

Abstract The paper discusses On-Board Computing Control Systems (OBCS) in astronautics, avionics, autonomous mobile devices, robotics, weapons control and multi-core microprocessors. This is sort of a “backbone”, which unites many sensors, calculators, control and executive devices. The architecture of these networks was developed some 30-40 years ago. At that time, these systems met the technical conditions in terms of dynamics and reliability. Nowadays, these systems must perform their functions for 10 to 15 years without maintenance. The performance of system networks must be high enough to solve such tasks as monitoring “swarms” that comprise hundreds of objects or work as a “garbage collectors” in space orbits. Nevertheless modern system networks continue to be based on bus or multi-bus architectures. Since these systems are serial for active nodes, a multi-bus solution is a main way to increase the performance of networks by using very high frequencies that amount to 2 ÷ 4 GHz. It’s an extensive path of development, which is problematic. More acceptable would be an intensive path of development, which, in electronics and computer engineering, is associated with the parallelism of task execution. It means that the operating frequencies may not be ultra-high, not exceeding that of modern devices for frequencies of 10 – 600 MHz. However, such devices should work in a parallel mode. The paper proposes a new approach to designing of heterogeneous parallel control system networks, solving parallel tasks, and a conflict-free management of “passive” nodes. To the best of our knowledge, such control system networks are not available as yet.

The End of Suburbia?

Suburb ◽  
2017 ◽  
Author(s):  
Royce Hanson
Keyword(s):  
Political Resistance ◽  
New Approach ◽  
Mixed Use ◽  
Property Owners ◽  
Key Issues ◽  
Major Property ◽  
Oriented Activity ◽  
New Generation ◽  
Financing Infrastructure ◽  
Commercial Strip

This chapter focuses on White Flint, a 400-acre obsolete commercial strip on Montgomery County's most congested roadway, and some of the important lessons it offers with respect to successful planning politics. The most recent of Montgomery's efforts in planning for mixed-use, transit-oriented activity centers, White Flint was envisioned as the best place to create a model for a new generation of land use policy. The chapter discusses the plan for White Flint, the key issues that needed to be resolved before it could move forward, and the project planners' new approach to zoning. White Flint illustrates the value of careful economic analysis; engagement of major property owners and community groups in making plans; and willingness to abandon old ideas in favor of new ones that fit the circumstances at hand. The case of White Flint also highlights the problems of bureaucratic and political resistance to new ways of financing infrastructure.

Investigation of New Generation of Ceramic and Single Crystalline Piezo Materials for Helicopter Blade and UAV Actuation

2013 ◽  
Author(s):  
Devdas Shetty ◽  
Claudio Campana ◽  
Nikolay Nazaryan ◽  
Louis Manzione
Keyword(s):  
Large Scale ◽  
Lumped Parameter Model ◽  
New Approach ◽  
Helicopter Blade ◽  
Aerospace Applications ◽  
Actuation System ◽  
Lumped Parameter ◽  
Piezoelectric Stacks ◽  
New Generation ◽  
Piezoelectric Stack Actuator

A great amount of research is being conducted to incorporate smart material actuators in aerospace applications such as (1) turbo fan engines (2) servo flap actuators for helicopter rotor control. For example, a piezoelectric stack actuator, coupled with mechanical or hydraulic amplification could provide the actuation required for the variable pitch fan system with a potentially higher level of reliability. In addition, piezoelectric actuation system could do so at a lower overall weight. However, there are limitations with existing piezoelectric stack actuators relative to power requirements. Therefore, a new approach has been investigated to improve these characteristics in order for piezoelectric stacks to be a feasible solution for these types of large scale applications. A new configuration involving dielectric, conductor, piezoelectric material in a particular sequence of stack actuation is examined and experimented. A nonlinear lumped parameter model of a piezoelectric stack has been developed to describe the behavior for the purpose of control actuation analysis.

scholarly journals The integration of intrapreneurship into a performance management model

2007 ◽  
Vol 5 (2) ◽  
pp. 1 ◽  
Author(s):  
Thabo WL Foba ◽  
Dawie De Villiers
Keyword(s):  
Performance Management ◽  
Management Model ◽  
Management Systems ◽  
Balanced Score Card ◽  
Opinion Survey ◽  
New Approach ◽  
Performance Management Systems ◽  
Score Card ◽  
The Balanced Score Card ◽  
New Generation

This study aimed to investigate the feasibility of using the dynamics of intrapreneurship to develop a new generation performance management model based on the structural dynamics of the Balanced Score Card approach. The literature survey covered entrepreneurship, from which the construct, intrapreneurship, was synthesized. Reconstructive logic and Hermeneutic methodology were used in studying the performance management systems and the Balanced Score Card approach. The dynamics were then integrated into a new approach for the management of performance of intrapreneurial employees in the corporate environment. An unstructured opinion survey followed: a sample of intrapreneurship students evaluated and validated the model’s conceptual feasibility and probable practical value.

scholarly journals ECONOMIC AND INFORMATIONAL SYSTEM OF MONITORING THE PRODUCTION RESOURCES OF THE NEW GENERATION

Vestnik MGSU ◽  
2016 ◽  
pp. 93-106
Author(s):  
Dmitriy Nikolaevich Silka
Keyword(s):  
Large Scale ◽  
New Approach ◽  
Russian Economy ◽  
Information Request ◽  
Geoinformation Technologies ◽  
Private Entrepreneurs ◽  
Main Instrument ◽  
New Generation ◽  
Informational System ◽  
Production Resources

Monitoring of production resources is a large-scale and complicated measure, the results of which are necessary for the state and for private entrepreneurs. There are many approaches to conducting such a monitoring, which firstly base on the information request from the suppliers of the resources by governmental bodies. The authors offer a new approach to data collection, which takes into account the technical achievements of the Russian economy. The main instrument of this approach is geoinformation technologies.

scholarly journals A Supernumerary Soft Robotic Limb for Reducing Hand-Arm Vibration Syndromes Risks

2021 ◽  
Vol 8 ◽  
Author(s):  
Andrea S. Ciullo ◽  
Manuel G. Catalano ◽  
Antonio Bicchi ◽  
Arash Ajoudani
Keyword(s):  
Upper Limb ◽  
Robotic Hand ◽  
Body Parts ◽  
New Approach ◽  
Work Related ◽  
Common Causes ◽  
Work Related Musculoskeletal Disorders ◽  
Mass Spring ◽  
New Generation ◽  
Theoretical Considerations

The most common causes of the risk of work-related musculoskeletal disorders (WMSD) have been identified as joint overloading, bad postures, and vibrations. In the last two decades, various solutions ranging from human-robot collaborative systems to robotic exoskeletons have been proposed to mitigate them. More recently, a new approach has been proposed with a high potential in this direction: the supernumerary robotic limbs SRLs are additional robotic body parts (e.g., fingers, legs, and arms) that can be worn by the workers, augmenting their natural ability and reducing the risks of injuries. These systems are generally proposed in the literature for their potentiality of augmenting the user’s ability, but here we would like to explore this kind of technology as a new generation of (personal) protective equipment. A supernumerary robotic upper limb, for example, allows for indirectly interacting with hazardous objects like chemical products or vibrating tools. In particular, in this work, we present a supernumerary robotic limbs system to reduce the vibration transmitted along the arms and minimize the load on the upper limb joints. For this purpose, an off-the-shelf wearable gravity compensation system is integrated with a soft robotic hand and a custom damping wrist, designed starting from theoretical considerations on a mass-spring-damper model. The real efficacy of the system was experimentally tested within a simulated industrial work environment, where seven subjects performed a drilling task on two different materials. Experimental analysis was conducted according to the ISO-5349. Results showed a reduction from 40 to 60% of vibration transmission with respect to the traditional hand drilling using the presented SRL system without compromising the time performance.

Next Generation Medical Management of Postpartum Hemorrhage

2019 ◽  
Vol 25 (5) ◽  
pp. 549-555 ◽  
Author(s):  
Jaclyn M. Phillips ◽  
John N. van den Anker ◽  
Homa K. Ahmadzia
Keyword(s):  
Low Income ◽  
Postpartum Hemorrhage ◽  
Medical Management ◽  
Low Income Countries ◽  
Fibrinogen Concentrate ◽  
Childbearing Age ◽  
New Approach ◽  
Patients At Risk ◽  
Target Prevention ◽  
New Generation

Background: Postpartum hemorrhage remains a significant contributor to morbidity and mortality of women of childbearing age worldwide. Trends in both incidence and severity of postpartum hemorrhage are increasing which makes it imperative to identify drugs that could target prevention and/or treatment of these postpartum hemorrhages for women living in high, middle and low-income countries. Methods: We have reviewed current advances in the medical management of postpartum hemorrhage focusing on non-uterotonic therapy. We specifically describe the use and mechanism of action of tranexamic acid (TXA) and fibrinogen concentrate. Furthermore, we address the existing data for using these medications in postpartum hemorrhage, highlighting both strengths and limitations. Results: This review describes a new generation of medications that are promising for the prevention and/or treatment of postpartum hemorrhage. For patients at risk for significant hemorrhage, TXA has been shown to reduce intraoperative blood loss and can be given as a prophylactic agent. For the treatment of postpartum hemorrhage, early use of TXA has the potential to reduce mortality. In addition, some data exists supporting the use of fibrinogen concentrate, though more studies are required to help formulate guidelines for its use. Conclusion: A promising new approach for the management of severe postpartum hemorrhage is using medications that alter coagulation. More data are needed to describe ideal patient populations, dosing, the time of administration, and infusion rate.

Late Medieval Translations of the Qurʾān (1450–1525): Discontinuity or Cumulativeness?

2020 ◽  
Vol 26 (4-5) ◽  
pp. 477-506
Author(s):  
Benoît Grévin
Keyword(s):  
Latin Translation ◽  
Late Medieval ◽  
New Approach ◽  
New Generation ◽  
Partial Translation

Abstract What was the reason behind the new, still partly understudied, European “wave of translations” of the Qurʾān characteristic of the years 1440‒1530? Can we find a pattern behind the translation processes and techniques used by John of Segovia and his Muslim coworker, the team commissioned by Egidio da Viterbo, and the Sicilian Jewish convert Guglielmo Raimondo Moncada (alias Flavius Mithridate)? This new generation of Qurʾānic translations presents interesting innovations in contrast to the older works of Robert of Ketton and Marcos de Toledo. Even if the loss (Juan de Segovia) or the non-completion (Moncada) of part of these texts makes it difficult to draw definitive conclusions, there are still significant observations to be made about them: these translations were all bilingual or multilingual, featuring conscious strategies of presentation of the Arabic and Latin versions, and a new approach to the Muslim exegesis. And yet, these new and sophisticated works were no match for the older Iberian versions, and it was the Kettonian translation that became the first Latin translation printed in its entirety, whereas the new works of the years 1440‒1530 were lost or poorly transmitted. This paper tries to explain this paradox. Furthermore, through a comparative new methodology, it also aims at gauging the possible links between the older and the newer Latin translations of the Qurʾān suggesting specific a relationship between the Qurʾān of Marcos de Toledo and Moncada’s partial translation of MS. Vat. Ebr. 457.

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