Environment Environment Monitored Variables Controlled Variables System Software Input Data Items
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منابع مشابه
Using the SCR* Toolset to Specify Software Requirements
1. Background Formulated in the late 1970s to specify the requirements of the Operational Flight Program (OFP) of the A-7 aircraft 8], the SCR (Software Cost Reduction) requirements method is a method based on tables for specifying the requirements of software systems. During the 1980s and the early 1990s, many companies, including Bell Laboratories, Grumman, Ontario Hydro, and Lockheed, applie...
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To date, the SCR (Software Cost Reduction) method has been used to specify system requirements. This paper extends the SCR method to hardware/software co-design and co-validation. Our approach consists of three steps. First, the SCR method is used to specify the required system behavior, i.e., the required relation between environmental quantities (called monitored quantities) that the system m...
متن کاملHardware/software Co-design and Co-validation
To date, the SCR (Software Cost Reduction) method has been used to specify system requirements. This paper extends the SCR method to hard-ware/software co-design and co-validation. Our approach consists of three steps. First, the SCR method is used to specify the required system behavior, i.e., the required relation between environmental quantities (called monitored quantities) that the system ...
متن کاملFactors Affecting on Development of Age_Friendly Hospital in Iran: Factor Analysis
Background & Aim: Developing countries such as Iran experience a growing phenomenon of aging, and the elderlies are at a risk of longer hospital stay. The increasing number of elderly patients necessitates the establishment of age-friendly hospitals. This study aimed to determine the factors affecting the development of age-friendly hospitals in Iran using factor analysis. Materials and Methods...
متن کاملThe Six-Variable Model - Context Modelling Enabling Systematic Reuse of Control Software
A control system usually consists of some control software as well as sensors and actuators to monitor and control certain quantities in the environment. The context of the control software thus consists of the sensors and actuators it uses and the environment. When starting development of the control software, its context is often not predefined or given. There are contextual decisions the dev...
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تاریخ انتشار 1996