Conflict Resolution in Concurrent Engineering Processes

Author(s):  
Srikanth M. Kannapan ◽  
Dean L. Taylor

Abstract Naive interpretations of concurrent engineering may expect extreme parallelization of tasks and simultaneous accommodation of multiple perspectives. In fact, from our efforts at modeling tasks in a MEMS (Micro-Electro-Mechanical Systems) pressure sensor design project, it appears that data dependencies due to the structure of tasks and the product itself result in scenarios of decision and action that must be carefully coordinated. This paper refines a previously described information model for defining evolving contexts of product model aspects and team member perspectives, with software agents acting on behalf of team members to execute tasks. The pressure sensor design project is analyzed in the framework of the information model. A scenario of decision and action for design of the pressure sensor is modeled as a design process plan. Conflict on a shared parameter occurs as a consequence of introducing some parallelism between the capacitance and deflection agents in the process. We present a technique for negotiating such conflicts by definition and propagation of utility functions on decision parameters and axiomatic negotiation.

Author(s):  
FRANCISCO ARTHUR BONFIM AZEVEDO ◽  
Daniela Vacarini de Faria ◽  
Marcos Maximo ◽  
Mauricio Donadon

1999 ◽  
Vol 15 (04) ◽  
pp. 207-221
Author(s):  
Jong Gye Shin ◽  
Won Don Kim

The production procedure of ship's hull plates includes hull modeling, lofting, cutting, and forming in sequence. Each process is isolated from the point of view of information flow and current practices in forming hull pieces are experience-dependent. This, in turn, reduces productivity and prevents the development of automation. To satisfy shipyards' demand for improved accuracy and enhanced productivity with mechanization or automation, it is necessary to collect production information, and to structure and maintain it in a well-organized manner. The objective of this paper is to propose an information model for ship's hull piece forming in a systematic manner. First, current shipyardsi practices and information flow relative to hull production process are described. From the point of view of information integration, the necessity of an information model is clarified. An information model for ship's hull piece forming is then proposed. For the information model, product model and concurrent engineering concepts are introduced. Since the construction of the information model with the two concepts requires an object-oriented approach, a new mixed-type, called here ‘hybrid’, object-oriented methodology for hull piece information model is defined. Based on the proposed methodology, the object association and operation analyses are carried out for the information modeling of hull piece forming. Through the analysis, the object-relation diagram shows that kinematics data is indispensable to construct the information model for hull piece forming.


2013 ◽  
Vol 22 (3) ◽  
pp. 198-210 ◽  
Author(s):  
Linda Searle Leach ◽  
Ann M. Mayo

Background Multidisciplinary rapid response teams focus on patients’ emergent needs and manage critical situations to prevent avoidable deaths. Although research has focused primarily on outcomes, studies of the actual team effectiveness within the teams from multiple perspectives have been limited. Objective To describe effectiveness of rapid response teams in a large teaching hospital in California that had been using such teams for 5 years. Methods The grounded-theory method was used to discover if substantive theory might emerge from interview and/or observational data. Purposeful sampling was used to conduct in-person semistructured interviews with 17 key informants. Convenience sampling was used for the 9 observed events that involved a rapid response team. Analysis involved use of a concept or indicator model to generate empirical results from the data. Data were coded, compared, and contrasted, and, when appropriate, relationships between concepts were formed. Results Dimensions of effective team performance included the concepts of organizational culture, team structure, expertise, communication, and teamwork. Conclusions Professionals involved reported that rapid response teams functioned well in managing patients at risk or in crisis; however, unique challenges were identified. Teams were loosely coupled because of the inconsistency of team members from day to day. Team members had little opportunity to develop relationships or team skills. The need for team training may be greater than that among teams that work together regularly under less time pressure to perform. Communication between team members and managing a crisis were critical aspects of an effective response team.


Author(s):  
Cheol-Young Kim ◽  
Namkug Kim ◽  
Yeongho Kim ◽  
Suk-Ho Kang ◽  
Peter O’Grady

Abstract Although Concurrent Engineering can offer substantial benefits, and hence many companies take a strong interest in the collaborative approach, it is not yet clear how it can best be implemented, particularly for a geographically distributed Concurrent Engineering team that may be using a disparate range of computer systems. The recent rise in the number connected to the Internet would offer the possibility of using Internet standards to allow for collaboration over the Internet. Central to the use of Internet standards for Concurrent Engineering is the key area of transmitting and viewing CAD and engineering information, and of communication between team members. This paper is concerned with addressing this issue and describes the how 3D CAD files can be viewed, and engineering information exchanged, by geographically distributed team members in an interactive manner using Internet standards. In particular this paper is concerned with the issue of storing STEP data so that it can be retrieved efficiently, how this data can be converted from STEP data to the Virtual Reality Modeling Language (VRML) to allow the product to be viewed in interactive 3-D on a wide number of platforms using the Internet, and is concerned with the issue of how team members can markup the VRML worlds, with other team members being able to examine the markup comments of others. An algorithm for converting STEP data to VRML is described and an overview of the implementation of this approach, in a system called CyberView, is given. The result of this is that users from disparate functions, on a wide variety of platforms, can view products in interactive 3-D through the Internet, can comment on aspects of the design, and can examine the markup comments of other team members on particular aspects of the design. Such an approach offers the promise of improved communication and hence for enhancing the product development process.


Author(s):  
Richard L. Rumpf ◽  
Mark E. Gindele

Abstract Program Managers need to look beyond the veil of potential benefits to assess the risks of contractor proposed concurrent engineering efforts. The mere mention of concurrent engineering or its synonym, integrated product team, does not in itself reduce program schedule and cost. Evaluations should center upon the offeror’s past success with these initiatives and the fundamental steps leading to their implementation. In a recent study of several programs involving the manufacture of Aircraft Launch and Recovery Equipment (ALRE) and support equipment, the effects of integrated product teams were assessed. Several of the programs studied had been competitively awarded to contractors that subsequently defaulted on their contract. The equipment programs were then successfully manufactured by the Prototyping and Manufacturing department at Naval Air Warfare Center, Lakehurst, NJ. Data from the study indicated the success of the manufacture was directly attributable to the use of integrated product teams. Extensive communication between engineering, manufacturing, and testing teams led to the resolution of problems quickly. Face to face meetings were frequent and issues were resolved in minutes without resorting to technical memorandums or other protracted written documents. Collocation of the team members was considered the most critical factor to gaining any benefits from concurrent engineering. Further evidence indicated the more complex a system, the more collocation was critical to its successful completion. Complexity, when measured by the number of parts, critical interfaces, and final testing requirements, was assessed for each program. The more complex programs had employed more frequent and local communication.


Author(s):  
K. J. Cleetus

Abstract In order to make the traditional product structure tree representation amenable to concurrent engineering, relationships like perspective-of and dependent-on have to be added to the essential part-of relationship. Complex data can be held in proprietary formats, while simple data will be in a common representation for direct access by diverse disciplines. Coordination among team members in a project can be carried out using such a model. Besides, a virtually unified view of all the data is possible, though they may lie in distributed and heterogeneous data bases. A very necessary characteristic of such a model is that its time evolution should be easy to represent in order to reflect the dynamic nature of product development, where the model itself, and not merely the data values change. Managing versions is also facilitated by the comprehensive structure of the Unified Product Data Model (UPDM).


2011 ◽  
pp. 928-935
Author(s):  
Leticia L. McGrath ◽  
Mark Johnson

In 1999, the Board of Regents of the University System of Georgia (USG), in collaboration with a number of its member institutions, began developing a fully online set of courses that allows a student to complete a core curriculum that is transferable across the USG. The result of this effort is the USG’s eCore® Program, developed by the Advanced Learning Technologies (ALT) unit of the USG. The eCore® Courses were created using a collaborative course development process that engaged teams of USG faculty, technical support and an instructional designer from ALT. The collaborative course development process was utilized in order to take full advantage of the expertise of the team members and to incorporate multiple perspectives of the content into the courses. In addition, a set of guidelines for the development of eCore® courses was established to ensure the courses were of the highest quality possible. The eCore® course array was developed over a period of seven years. While many of the courses were well suited to the asynchronous online approach, there were content areas that were more controversial, such as physics, chemistry and foreign languages, due to the highly specific requirements in each of these disciplines.


1989 ◽  
Author(s):  
LiLi Hong ◽  
Andren R. Nara ◽  
Otto J. Prohaska

Sign in / Sign up

Export Citation Format

Share Document