scholarly journals Reflection on the Sustainability and Multilevel Antifragility Workshop

2017 ◽  
Vol 16 (4) ◽  
pp. 31
Author(s):  
David N Berger
Keyword(s):  
Critical Review ◽  
Catastrophic Failure ◽  
Primary Research ◽  
Current Form ◽  
Campus Sustainability ◽  
Institutional Level ◽  
Study Methodology ◽  
Primary Research Interest ◽  
Fail Safe ◽  
Future Work

Aim: The aim of this article is to provide a brief reflection on the campus sustainability workshop that was held on May 13th, 2016 at the WSB University in Wroclaw. The topic of sustainability, and identifying critical threats to sustainability at the institutional level and beyond is of major concern.Design / Research methods: This reflection relies on a critical review of the discussion and materials presented during the workshop, and the opinion of the author. The observation and participation of the author and fellow participants played a crucial role in shaping the reflection.Conclusions / findings: Firstly, the conclusion drawn is that the methodology used by the host should be more clearly specified, and the questions should be focused and separated, in order to properly research them. Secondly, given the data that was available, that the study of fragilization in this context should focus on Safe to Fail, instead of Fail Safe approaches, to prevent catastrophic failure events.Originality / value of the article: The value of this reflection lies in the primary research interest, however, institutions may benefit from the analysis and opinions suggested. Without properly redesigning the study methodology to be more specific, the value of this research in its current form is limited, this author looks forward to the future work on the topic.

scholarly journals Design of a Multifunctional Forceps for Use in Endoscopic Surgery

2010 ◽  
Vol 4 (2) ◽  
Author(s):  
Andrew Rau ◽  
Mary Frecker ◽  
Abraham Mathew ◽  
Eric Pauli
Keyword(s):  
Minimally Invasive ◽  
Endoscopic Surgery ◽  
Minimally Invasive Surgical Procedures ◽  
Ex Vivo ◽  
Catastrophic Failure ◽  
Minimally Invasive Surgical ◽  
Design Characteristics ◽  
Fail Safe ◽  
Ex Vivo Testing ◽  
Good Agreement

This paper presents a 3.0 mm diameter endoscopic forceps design for use in minimally invasive surgical procedures, which require significant grasping and spreading forces. Models of the proposed design predict considerable improvements in the opening range (140%) and force application (87%) for both grasping and spreading when compared with currently used endoscopic forceps. Several of the tool’s design characteristics promote fail-safe malfunctions, including locking before catastrophic failure and the decreased likelihood in detached parts. Initial benchtop testing showed good agreement between prototype performance and model prediction. Frictional losses experienced during testing were found to depend on load orientation. A surgical prototype is currently being manufactured for ex vivo testing.

A critical review on automation of steering mechanism of load haul dump machine

2019 ◽  
Vol 234 (2) ◽  
pp. 160-182
Author(s):  
Sreeharsha Rowduru ◽  
Niranjan Kumar ◽  
Ajit Kumar
Keyword(s):  
Critical Review ◽  
Tracking Error ◽  
Steering System ◽  
Pictorial Representation ◽  
Research Gaps ◽  
Steering Mechanism ◽  
Different Types ◽  
Automatic Steering ◽  
Complete Automation ◽  
Future Work

This article presents a brief note on the evolution of steering mechanisms and more emphasized on articulated steering system of the load haul dump machine. In this respect, pictorial representation of the evolution of steering mechanisms for on-road and articulated steering mechanisms of the load haul dump machine is made from the available literature. Critical review on basic elements required for the complete automation of the load haul dump vehicle steering system is presented. Different types of controllers for path tracking error minimization of the scale-modeled or simulated model of the load haul dump steering system are tabulated. Few case studies stimulating the complete automation of the load haul dump steering system employed on the field are also discussed. Challenges and some research gaps in making fully automated steering system of the load haul dump machine are identified in this review article. At the end, based on the critical review, some novel methods for making the fully automated steering system of the load haul dump machine is provided, which is the potential future work for the design and development of feasible automatic steering system.

scholarly journals Script Structures in Modern Audio-Visual Art

2021 ◽  
Vol 9 (2) ◽  
pp. 45
Author(s):  
Oleksandr Balaban ◽  
Olena Levchenko ◽  
Ivan Krupskyy ◽  
Alla Medvedieva ◽  
Volodymyr Mykhalov
Keyword(s):  
Visual Art ◽  
Practical Significance ◽  
Complex Object ◽  
Primary Research ◽  
Present Stage ◽  
Work Of Art ◽  
Stage Of Development ◽  
Modern Methods ◽  
Visual Text ◽  
Future Work

Every last detail in a work of art of any scale depends on the correctness of its construction. This study reveals the essence of audio-visual text as an artistic area that develops and operates in the modern media landscape. The problem of determining the structure of the audio-visual script at the present stage of development was one of the most significant issues addressed in this study. The purpose of the study is to explore the main stages of creating a script for an audio-visual work as an intricate complex object that is the result of creative and production activities. The primary research method was the method of analysis, which managed to achieve the goal of discussing the current stages of creating and structuring the script of an audio-visual work. The task of compositional construction of the script for an audio-visual work is to unite its elements into one, giving the future work logic, harmony, and integrity. It was established which modern methods of writing a script are the most effective in practice. It was concluded that the use of modern methods of structuring the script in creating an audio-visual product contributes to its improvement as a work of art. The practical significance of the study is that the methodological basis of creating the script presented in this study can be used to construct any audio-visual product.

scholarly journals The concept of care: Insights, challenges and research avenues in COVID-19 times

2020 ◽  
pp. 095892872097392
Author(s):  
Mary Daly
Keyword(s):  
Critical Review ◽  
Relative Power ◽  
Critical Questions ◽  
Future Work

This review focuses on the concept of care, a concept that has never been more popular as a focus of study. It undertakes a critical review, motivated by the breadth of the field and the lack of coherence and linkages across a diverse literature. The review concentrates first on organizing and reviewing the literature in terms of key focus and, second, drawing out the strengths and weaknesses of existing work and making suggestions for how future work might proceed in COVID-19 times. While the existing literature offers many insights, some quite basic things need to be reconsidered, not least definition and conceptualization. Defining care as based on the meeting of perceived welfare-related need, I develop it as comprising need, relations/actors, resources and ideas and values. Each of these dimensions has an inherent disposition towards the study of inequality and it is possible, either by looking at them individually or all together, to identify care as situated in relations of relative power and inequality. The framework allows a set of critical questions to be posed in relation to COVID-19 and the policies and resources that have been mustered in response.

scholarly journals “Die Muttersprache vergisst man nicht” – or do you? A case study in L1 attrition and its (partial) reversal,

2009 ◽  
Vol 13 (1) ◽  
pp. 19-31 ◽  
Author(s):  
DORIS STOLBERG ◽  
ALEXANDRA MÜNCH
Keyword(s):  
Language Skills ◽  
Research Interest ◽  
Language Attrition ◽  
Primary Research ◽  
Permanent Change ◽  
L1 Attrition ◽  
Permanent Loss ◽  
Primary Research Interest ◽  
Partial Reversal

Is it possible to undo or reverse language attrition? In other words, has there been, in the case of attrition, a permanent change with respect to the speaker's L1 knowledge, or do we only see temporary effects on the control of that knowledge? It is proposed here that the concept of attrition should include the temporary loss of language skills since it is, so far, not clear whether or to what extent once-acquired linguistic abilities can be permanently lost at all, particularly with respect to an L1. A reversal in the development of attrition after renewed contact with the L1 can support the claim that a decrease in L1 proficiency can be temporary, and that it is the accessibility of items and structures that is affected by attrition rather than the L1 knowledge (competence) itself. Our primary research interest in the present study is to analyze what skills and features are recoverable and what phenomena persist, (possibly) indicating permanent loss.

Multifunctional Forceps for Use in Endoscopic Surgery—Initial Design, Prototype, and Testing

2011 ◽  
Vol 5 (4) ◽  
Author(s):  
Andrew C. Rau ◽  
Mary Frecker ◽  
Abraham Mathew ◽  
Eric Pauli
Keyword(s):  
Minimally Invasive ◽  
Surgical Procedures ◽  
Endoscopic Surgery ◽  
Model Prediction ◽  
Catastrophic Failure ◽  
Endoscopic Surgical Procedures ◽  
Force Application ◽  
Design Characteristics ◽  
Fail Safe ◽  
Good Agreement

This paper presents a 3.0 mm diameter multifunctional endoscopic forceps design for use in minimally invasive flexible endoscopic surgical procedures. Multifunctional capabilities including grasping, spreading, and cauterizing tissue are demonstrated experimentally and compared to commercially available forceps. Models of the proposed design predict considerable improvements in opening range (140%) and force application (87%) for both grasping and spreading when compared to currently used endoscopic forceps. Several of the tool’s design characteristics promote fail-safe malfunctions, including locking before catastrophic failure and a decreased likelihood in detached parts. Initial benchtop testing shows good agreement between prototype performance and model prediction. Frictional losses experienced during testing were found to depend on load orientation.

scholarly journals A Study of Cutaneous Perception Parameters for Designing Haptic Symbols towards Information Transfer

Electronics ◽  
2021 ◽  
Vol 10 (17) ◽  
pp. 2147
Author(s):  
Tawanda Denzel Nyasulu ◽  
Shengzhi Du ◽  
Nico Steyn ◽  
Enzeng Dong
Keyword(s):  
Best Practices ◽  
User Experience ◽  
Information Transfer ◽  
Specific Task ◽  
Primary Research ◽  
Knowledge Gaps ◽  
Vibrotactile Perception ◽  
Haptic Patterns ◽  
Sense Of Touch ◽  
Future Work

Vibrotactile displays can substitute for sensory channels of individuals experiencing temporary or permanent impairments in balance, vision, or hearing, and can enhance the user experience in professional or entertainment situations. This massive range of potential uses necessitates primary research on human vibrotactile perception. One leading aspect to consider when developing such displays is how to develop haptic patterns or symbols to represent a concept. In most settings, individual patterns are sorted as alphabets of haptic symbols which formulate tactons. Tactons are structured and perceivable tactile patterns (i.e., messages) that transfer information to users by employing the sense of touch. Hence, haptic patterns are critical when designing vibrotactile displays, as they not only affect the rate of information transfer but also determine the design of the displays (e.g., the number and the placement of tactors engaged) and how the information is encoded to achieve separability. Due to this significance, this paper presents an overview study on the cutaneous perception parameters (i.e., intensity, loci, frequency, duration, illusions, and combinations of these) for designing haptic symbols to identify mutual best-practices and knowledge gaps for future work. The study also provides developers from different scientific backgrounds with access to complex notions when engaging this specialized topic (i.e., the use of cutaneous perception parameters towards information transfer). Finally, it offers recommendations on defining which parameters to engage for a specific task or pattern.

Non-Wettable Surfaces – From Natural to Artificial and Applications: A Critical Review

2019 ◽  
Vol 7 (2) ◽  
pp. 195-231 ◽  
Author(s):  
Andrew Terhemen Tyowua ◽  
Msugh Targema ◽  
Emmanuel Etim Ubuo
Keyword(s):  
Critical Review ◽  
Real Life ◽  
Liquid Drops ◽  
Basic Properties ◽  
Biomimetic Surfaces ◽  
Review Articles ◽  
Wide Range ◽  
Future Work ◽  
Significant Attention

Non-wettable surfaces have recently attracted significant attention due to their enormous promising applications. These applications are primarily due to their ability to repel liquid drops and remain unwetted. In this review, the various names used in describing non-wettable surfaces are given. This is followed by the fundamental theories of wetting. Natural non-wettable surfaces are then considered, along with their importance. Thereafter, we discuss how artificial non-wettable (biomimetic) surfaces are prepared. Next, the basic properties of non-wettable surfaces, which make them promising candidates for a wide range of applications, are discussed. Furthermore, the various applications of non-wettable surfaces are discussed, with references made to review articles with specific coverage of named applications. We conclude with a summary, challenges limiting the application of non-wettable surfaces to some real-life situations and possible suggestions to mitigate them as well as opportunities for future work.

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