Sysml

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Proceedings of the World Congress on Engineering and Computer Science 2009 Vol II WCECS 2009, October 20-22, 2009, San Francisco, USA

Advantages of using SysML Compatible with ISO 10303-233 for Product Design and Development based on STEP Standard Omid Fatahi Valilai and Mahmoud Houshmand
commercial product, and between 33 and 60 percent of all new products that reach the market place fail to generate an economic return [2]. New product development has become central to achieving meaningful differentiation. NPD cycles get shorter as the innovations of the others render existing products unnecessary [3]. A crucial problem in the development of new products is to reduce the time required for their design and manufacture while still maintaining high quality and minimum development cost. To achieve this, inputs are needed from experts in a multitude of disciplines as well as from customers and suppliers. The overall design process must be well orchestrated and integrated [4]. A. STEP Standard (ISO 10303) Since the mid-1980s, the international community has been developing the ISO 10303 set of standards, well known as STEP (ISO 10303-1 1994), which has its foundations in many of the earlier aforementioned standards. The STEP standard is divided into many parts, i.e. Description Methods, Information Models, Application Protocol (AP)s, Implementation Methods, and Conformance Tools. The Information Models and Application Protocols describe the data structures and constraints of a complete product model [5]. The use of STEP language can help the enterprises to have to somehow the integration of data for product design activities. STEP has led to improvements in exchange and sharing of simple CAD information, product models and complete product structures. Furthermore, STEP has improved communications within the extended enterprise (including suppliers, business partners and customers) and helped to support global collaborations [6]. With the help of this standard the design information can be managed in an integrated environment. The first parts of STEP to achieve International Standard status were published in 1994, but many other parts have since been published or are under development and will eventually be added to the standard. Recent updates (and other relevant details) can be found at the following websites: http://www.nist.gov/sc4,www.tc-184-sc4.org, and http://www.iso.ch/iso/en/ISOOnline [7]. ISO 10303, also informally known as the Standard for the Exchange of Product model data (STEP), is a family of standards defining a robust and time-tested methodology for describing product data throughout the lifecycle of a product. STEP is widely used in computer-aided design (CAD) and product data/lifecycle management (PDM/PLM) systems. Major aerospace, automotive, and ship building companies WCECS 2009

Abstract—Product development can be defined as the process by which the inception, conception, development, realization, maintenance and demolition/decommissioning of a facility (constructed works) can be described and managed. A crucial problem in the development of new products is to reduce the time required for their design and manufacture while still maintaining high quality and minimum development cost. To achieve this, inputs are needed from experts in a multitude of disciplines as well as from customers and suppliers. The Systems Modeling Language (OMG SysMLTM) is a general-purpose modeling language that supports the specification, design, analysis, and verification of systems. ISO 10303, also informally known as the Standard for the Exchange of Product model data (STEP), is a family of standards defining a robust and time-tested methodology for describing product data throughout the lifecycle of a product. This paper describes the compatibilities of SysML for product design and development based on STEP standard. The use of this languages increases reusability of product design data. These data are compatible with STEP...
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