scholarly journals Multiscale Modelling and Analysis for Design and Development of a High-Precision Aerostatic Bearing Slideway and Its Digital Twin

Machines ◽  
2021 ◽  
Vol 9 (5) ◽  
pp. 85
Author(s):  
Ning Gou ◽  
Kai Cheng ◽  
Dehong Huo
Keyword(s):  
System Integration ◽  
Mechanical Design ◽  
Multiscale Modelling ◽  
Engineering Industry ◽  
High Tech ◽  
Direct Drive ◽  
Aerostatic Bearing ◽  
Design And Development ◽  
Precision Engineering ◽  
Digital Twin

Aerostatic bearing slideways have been increasingly applied in the precision engineering industry and other high-tech sectors over the last two decades or so, due to their considerable advantages over mechanical slideways in terms of high motion accuracy, high speeds, low friction, and environment-friendly operations. However, new challenges in air bearings design and analysis have been occurring and often imposed along the journeys. An industrial-feasible approach for the design and development of aerostatic bearing slideways as standard engineering products is essential and much needed particularly for addressing their rapid demands in diverse precision engineering sectors, and better applications and services in a continuous sustainable manner. This paper presents the multiscale modelling and analysis-based approach for design and development of the aerostatic bearing slideways and its digital twin. The multiscale modelling and analysis and the associated simulation development can be the kernel of the digital twin, which cover the mechanical design, direct drive and control, dynamics tuning of the slideway, and their entire mechatronic system integration. Using this approach and implementation, the performance of an aerostatic bearing slideway can be predicted and assessed in the process. The implementation perspectives for the sideway digital twin are presented and discussed in steps. The digital simulations and digital twin system can be fundamentally important for continuously improving the design and development of aerostatic bearing slideways, and their applications and services in the context of industry 4.0 and beyond.

scholarly journals Factors affecting innovation capacity in Vietnamese Southern high technology industries

2017 ◽  
Vol 24 (03) ◽  
pp. 66-93
Author(s):  
Vân Đoàn Thị Hồng ◽  
Uyen Bui Nhat Le
Keyword(s):  
Government Support ◽  
High Tech ◽  
Total Quality ◽  
Precision Engineering ◽  
High Tech Industry ◽  
Factors Affecting ◽  
Knowledge Based ◽  
Knowledge Based Economy ◽  
Innovation Capacity ◽  
Technology Industries

Numerous studies have demonstrated that the success of businesses in the era of knowledge-based economy depends on their innovation capacity (Azevedo et al., 2007). Therefore, the main goal of this study is to explore the factors that impact the innovation capacity of enterprises in the Vietnam Southern high tech industry. Besides the qualitative method, the study carries out a survey of 380 enterprises in the fields of electronics, microelectronics, information technology, telecommunications, precision engineering, automation, biotechnology, and nanotechnology. The results reveal that total quality management, internal human resources, absorptive capacity, government support, and collaboration networks impact positively on the innovation capacity. In addition, the research proposes solutions for high tech enterprises to boost their innovation capacity in the future.

"ON-AXIS" LINEAR FOCUSED SPOT SCANNING MICROSTEREOLITHOGRAPHY SYSTEM: OPTOMECHATRONIC DESIGN, ANALYSIS AND DEVELOPMENT

2013 ◽  
Vol 12 (01) ◽  
pp. 43-68 ◽  
Author(s):  
PRASANNA GANDHI ◽  
SUHAS DESHMUKH ◽  
RAHUL RAMTEKKAR ◽  
KIRAN BHOLE ◽  
ALEM BARAKI
Keyword(s):  
High Resolution ◽  
System Integration ◽  
High Speed ◽  
Mechanical Design ◽  
Three Dimensional ◽  
Layer By Layer ◽  
Optical Scanning ◽  
High Production Rate ◽  
High Production ◽  
Scanning Mechanism

Microstereolithography (MSL) is technology of fabrication of three-dimensional (3D) components by using layer-by-layer photopolymerization. Typical design goals of MSL system are: small features, high resolution, high speed of fabrication, and large overall size of component. This paper focuses on design and development of such a system to meet these optomechatronic requirements. We first analyze various optical scanning schemes used for MSL systems along with the proposed scheme via optical simulations and experiments. Next, selection criteria for various subsystems are laid down and appropriate design decisions for the proposed system are made. Further, mechanical design of the scanning mechanism is carried out to meet requirements of high speed and resolution. Finally, system integration and investigation in process parameters is carried out and fabrication of large microcomponent with high resolution is demonstrated. The proposed system would be useful for fabrication of multiple/large microcomponents with high production rate in various applications.

Human Factors Standards for Space Habitation

1986 ◽  
Vol 30 (4) ◽  
pp. 370-373
Author(s):  
Barry Tillman
Keyword(s):  
Human Factors ◽  
System Integration ◽  
Health Management ◽  
Space Environment ◽  
Human Factors Engineering ◽  
Single Source ◽  
Design And Development ◽  
Engineering Standards

Nasa is developing a Man/System Integration Standard. It is to be a single source for human factors engineering standards for the design and development of space habitats. Included in this paper is a discussion of the Anthropometrics, Architecture, Activity Centers, and Health Management sections of the standard. There is a brief description of the general contents of each of these sections and some of the human factors considerations that are unique to the space environment.

scholarly journals Informational educational space basic graphic training

2021 ◽  
Author(s):  
Е.В. Усанова
Keyword(s):  
Professional Education ◽  
System Integration ◽  
High Tech ◽  
University Graduates ◽  
Content Model ◽  
Computer Technologies ◽  
Engineering And Technology ◽  
Educational Structures ◽  
Design Activities ◽  
Knowledge Intensive

Актуальность статьи обусловлена проблемами организации базовой геометро-графической подготовки на фоне информатизации образования и интенсивного внедрения в высокотехнологичное производство передовых наукоёмких компьютерных технологий. Цель статьи заключается в обосновании модели организации информационного образовательного пространства базовой геометро-графической подготовки специалистов в области техники и технологий в технических вузах контексте наукоёмких компьютерных технологий. С учетом имеющегося опыта мирового и отечественного профессионального образования, направлений системной интеграции образовательных структур с целью обеспечения целостности и системности проектно-конструкторской деятельности выпускников вузов в высокотехнологичных наукоёмких отраслях производства предложенаавторская трактовка модели содержания и дидактической организации информационного образовательного пространства базовой геометро-графической подготовки. Представлены результаты опыта реализации модели по мере ее совершенствования для проектно-конструкторской деятельности в среде наукоёмких компьютерных технологий. Статья предназначена для обсуждения научно-педагогическим сообществом. The relevance of the article is due to the problems of organizing basic geometric and graphic training against the background of informatization of education and intensive introduction of advanced high-tech computer technologies into high-tech production. The purpose of the article is to substantiate the model of the organization of the information educational space of the basic geometric and graphic training of specialists in the field of engineering and technology in technical universities in the context of high-tech computer technologies. Taking into account the existing experience of world and domestic professional education, the directions of system integration of educational structures in order to ensure the integrity and consistency of the design activities of university graduates in high-tech knowledge-intensive industries, the author's interpretation of the content model and didactic organization of the information educational space of basic geometric and graphic training is proposed. The results of the experience of implementing the model as it is improved for design activities in the environment of high-tech computer technologies are presented. The article is intended for discussion by the scientific and pedagogical community.

scholarly journals Additive technologies: an innovative effectdigitalization in industry

2021 ◽  
Vol 82 (4) ◽  
pp. 347-353
Author(s):  
G. S. Armashova-Telnik ◽  
P. N. Sokolova ◽  
D. V. Degterev
Keyword(s):  
Additive Technologies ◽  
Engineering Industry ◽  
High Tech ◽  
Small Scale ◽  
Scale Production ◽  
Repair Work ◽  
Technological Processes ◽  
Advantages And Disadvantages ◽  
Current Period ◽  
Characteristic Features

The article discusses the integration of additive technologies into production, presents the advantages and disadvantages of 3D metal printing. The data of the current indicators of the effectiveness of technological processes when using 3D equipment are analyzed, the difficulties of introducing additive technologies into production processes are determined. Conclusions on the trends and prospects of development of engineering solutions in the field of additive technologies are formulated. So, additive technologies provide an opportunity for a business entity to reduce production lines, minimize the production time for complex technological parts. In addition, the specifics of the operation process of parts - the result of high-tech production, provide both a long service life of component elements, and a high degree of reliability of materials, functional stability and structural strength, and, simplification of repair work (replacement of parts of parts), which generally determines the quality of manufactured products. This, in turn, determines, in economic realities, the development of economic and technological innovative engineering solutions through the promotion of additive technologies, increasing the economic indicators of the production activity of a business entity. The characteristic features of 3D printing of metals studied in this article make it possible to highlight the defining technological processes of the principles of printing, constructively represent the properties of additive structures. It can be stated that in the current period of development of economic and technological innovative engineering solutions, the field of promoting additive technologies has significant achievements and prospects. Small-scale production is gradually being introduced into additive manufacturing, which has distinctive characteristics for the mechanical engineering industry. The introduction of such technological equipment provides an opportunity to speed up the manufacturing procedure, improve the properties of the product, despite the high cost (0.8-1.5 million euros). At the same time, from a strategic economic position in comparison with classical technologies, high-tech engineering solutions act as highly competitive.

scholarly journals Design and Development of a Littoral AUV for Underwater Target Localization and Homing Using Vision and SONAR Module

ISRN Robotics ◽  
2013 ◽  
Vol 2013 ◽  
pp. 1-10 ◽  
Author(s):  
R. K. Sinha ◽  
Aayush Jha ◽  
Faheem Ahmad ◽  
Vivek Mishra ◽  
Prateek Murgai ◽  
...  
Keyword(s):  
Power Systems ◽  
Degrees Of Freedom ◽  
Autonomous Underwater Vehicle ◽  
Mechanical Design ◽  
Water Environment ◽  
Experimental Results ◽  
Design And Development ◽  
Sound Sources ◽  
Six Degrees Of Freedom ◽  
Underwater Target

This paper presents the design and development of a modular littoral autonomous underwater vehicle called “ZYRA” having six degrees of freedom for performing the following tasks underwater: target (sound sources emitting frequencies between 1 Hz and 180 KHz) localization and homing, buoy detection. The development of the AUV has been divided into, namely, five sections: mechanical design and fabrication, embedded and power systems, control and software, image processing, and underwater acoustics. A fully functional AUV has been tested in a self-created arena with different tasks spread out in a shallow water environment. Two different kinds of experimental results have been presented: first the experimental results of the SONAR module and second based on the number of successful outcomes per total number of trials for each task.

scholarly journals Virtual Reality Exposure Therapy for Driving Phobia Disorder: System Design and Development

2020 ◽  
Vol 10 (14) ◽  
pp. 4860 ◽  
Author(s):  
Amy Trappey ◽  
Charles V. Trappey ◽  
Chia-Ming Chang ◽  
Routine R.T. Kuo ◽  
Aislyn P.C. Lin ◽  
...  
Keyword(s):  
Clinical Trials ◽  
Virtual Reality ◽  
Anxiety Disorder ◽  
System Integration ◽  
Exposure Therapy ◽  
Behavioral Therapy ◽  
Design And Development ◽  
Test Analysis ◽  
Daily Lives ◽  
Virtual Reality Exposure

Driving phobia is an anxiety disorder. People are greatly impaired in their daily lives when suffering from driving phobia disorders. The anxieties can be triggered under various conditions, such as driving over bridges, driving at high speeds, or driving in close proximity to large trucks. Traditional cognitive behavioral therapy (CBT) and exposure therapy are the most common approaches used in the treatment of psychological disorders, such as anxiety disorder (AD) and panic disorder (PD). This research focuses on virtual reality (VR)-based exposure therapy, called VRET, and describes the design and development of a system which uses alternating levels of fear-based driving scenarios that can be recorded and automatically adjusted to maximize exposure effectiveness without causing the subjects to panic. The proposed VRET integrates an advanced feedback database module for tracing and analyzing the system, along with the user’s bio-data to show the valid data collection of the system and its effectiveness for future use in clinical trials. The research conducts a system’s pre-test analysis using 31 subjects to demonstrate the effectiveness of the system. This research demonstrates the systematic development of the VRET for driving phobia disorder by depicting the system framework, key system modules, system integration, bio-database management, and pre-test data analysis to support our next research efforts in hospital-based clinical trials and for additional VRET development applications for clinical psychology.

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