A Modular, Long-Reach, Truss-Type Manipulator for Waste Storage Tank Remediation

1994 ◽  
Author(s):  
Robert J. Salerno ◽  
Charles F. Reinholtz
Keyword(s):  
Information System ◽  
Storage Tank ◽  
Background Information ◽  
Variable Geometry ◽  
Waste Storage ◽  
New Type ◽  
System Requirements ◽  
The Individual ◽  
Variable Geometry Truss ◽  
High Payload

Abstract This paper will introduce a new type of modular manipulator system that is particularly well suited for performing long-reach, high-payload operations such as waste storage tank remediation. These new capabilities are achieved by employing an “all-truss” design in which discrete truss modules are used to construct a reconfigurable manipulator system. Each module of the manipulator is either a static truss “link” or one of several possible Variable Geometry Truss “joints.” This paper presents background information, system requirements, a description of the individual components used to construct the manipulator, and an overview of the kinematic analysis algorithms developed to address the redundant nature of the manipulator.

Data and information system requirements for Global Change Research

1992 ◽  
Author(s):  
DAVID SKOLE ◽  
WALTER CHOMENTOWSKI ◽  
BINBIN DING ◽  
BERRIEN MOORE, III
Keyword(s):  
Information System ◽  
Global Change ◽  
Global Change Research ◽  
System Requirements

Leadership Enactment for Information System Acceptance: an Explanation from a Sensemaking Perspective

2019 ◽  
pp. 78-106
Author(s):  
Aruna Dayanatha ◽  
J A S K Jayakody
Keyword(s):  
Information System ◽  
User Involvement ◽  
High Rate ◽  
Is Success ◽  
Managerial Leadership ◽  
Individual Level ◽  
System Acceptance ◽  
The Individual ◽  
Leadership Intervention ◽  
Is Failure

Information system (IS) projects have been seen to be failing at an alarmingly high rate. The prevailing explanations of IS failure have had only a limited success. Thus, the time may be right to look at the reasons for IS failure through an alternative perspective. This paper proposes that IS success should be explained in terms of managerial leadership intervention, from the sensemaking perspective. Managers are responsible for workplace outcomes; thus, it may be appropriate to explain their role in IS success as well. The sensemaking perspective can explain IS success through holistic user involvement, a concept which critiques of existing explanations have stated to be a requirement for explaining IS failure. This paper proposes a framework combining the theory of enactment and leadership enactment to theorize managerial leadership intervention for “IS success.” The proposed explanation postulates that the managerial leader’s envisioning of the future transaction set influences the liberation of the follower and cast enactment, while liberating followers and cast enactment constitute manager sensegiving. The managerial leader’s sense-giving influences follower sensemaking. Follower sensemaking, under the influence of managerial sensegiving, will lead to followers’ IS acceptance, and that constitutes IS success at the individual level. Further, collective level IS acceptance constitutes IS adaption/success, and this will influence the leader’s sensegiving, for the next round of sensemaking.

Sistem Informasi Geografis (Sig) Properti Di Kota Tanjungpinang Berbasis Website

2019 ◽  
Vol 8 (1) ◽  
pp. 39-47
Author(s):  
Zulfachmi ◽  
Angger Andrea Amanda ◽  
Dedy Jauhari
Keyword(s):  
Information System ◽  
Geographic Information System ◽  
Unified Modeling Language ◽  
Geographic Information ◽  
Web Based ◽  
Unified Modeling ◽  
The Public ◽  
Property Specification ◽  
System Requirements ◽  
Selection Of

The increasing need for property in Tanjungpinang City is very growing, especially in the housing sector. Selection of property based on location and facilities and infrastructure is always a consideration for the community in making decisions to buy a property. Difficulty finding property location information in a certain area often occurs, resulting in people not getting references about the properties offered in Tanjungpinang City. The purpose of this research is to create a web-based geographic information system (GIS) regarding the distribution of the number of properties on offer, especially in Tanjungpinang City using a web-based mapping approach. In the development of Property GIS the author uses the Waterfall method and in the analysis of system requirements it is modeled with UML (Unified Modeling Language) and implemented with the PHP programming language and MySQLI database. It is hoped that the results of making this property's geographic information system can help the public to find out information about the distribution of properties offered, such as the location of property coordinates, addresses, prices, property photos, property specification data and property developer data.

Analytical Model Method for Dynamics of N-Celled Tetrahedron-Tetrahedron Variable Geometry Truss Manipulators

1998 ◽  
Author(s):  
Li Ju Xu ◽  
Hong Li ◽  
Shou Wen Fan
Keyword(s):  
Analytical Model ◽  
Variable Geometry ◽  
Symbolic Form ◽  
Model Method ◽  
Variable Geometry Truss Manipulator ◽  
Variable Geometry Truss

Abstract In this paper some fundamental formulae are derived for tetrahedron-based variable geometry truss manipulator which is composed of a series of tetrahedrons stacked upon each other such that one link in each cell is made variable on length. Analytical model for dynamics of the manipulator is established, and expressions in numeric-symbolic form of model matrices are derived. An example is given for illustration.

A study on orthodontic retention practices in Nepal

2021 ◽  
Vol 11 (1) ◽  
pp. 29-33
Author(s):  
Anjana Karmacharya ◽  
Dashrath Kafle ◽  
Ram Bhakta Adhikari ◽  
Nirjalla Malla
Keyword(s):  
Social Sciences ◽  
Background Information ◽  
Specific Situation ◽  
Multiple Choice Questions ◽  
Short Answer ◽  
Different Types ◽  
The Individual ◽  
Retention Practices ◽  
Survey Questionnaires

Introduction: Retainers are used after all orthodontic treatment, to prevent or minimize relapse and recurrence. Among various retainers used, Hawley retainer and ‘invisible’ retainers are the most common. Most of the orthodontists favored permanent retention. It is obvious that the retention procedures are variable and depended largely on personal preferences, and there does not seem to be any consistent pattern in the application of retention methodologies. The  purpose of this study was to survey the retention protocols among orthodontists in Nepal. Materials and Method: The complete lists of the names and addresses of orthodontists in Nepal was obtained from the ODOAN. The questionnaire was sent to them which consisted of multiple-choice questions and short answer, related to background information of the individual orthodontist, retention use in general, the frequency of different types of bonded or removable retainers that are used, the retention protocol, the type of retainer used in specific situation. All statistical analyses were performed using the Statistical Package for Social Sciences (SPSS), version 12.0.1 (SPSS Inc, Chicago, Illinois, USA) Result: The survey questionnaires were completed by 90.42% of the 94 orthodontists of Nepal, 58.8% males and 41.2% females with a mean age of 36.7 years. Most of the orthodontists used a clear (vacuum) retainer (80%) in the maxilla and fixed bonded retainer in the mandible. Most of them prefer the use of retainer for a continuous 24 hours except during eating and brushing for 6 months to 1 year (56.5%) and if possible, for 1 to 2 years (28.2%). Conclusion: Majority of Nepalese orthodontists provide vacuum formed retainer on maxillary arch and bonded retainer in mandibular arch. There is no specific consensus on other type of retainers, duration of wear and follow up visits which is affected by various other factors.

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