Computer-based systems

Computer-based systems

Complex systems in which computers play a major role. While complex physical systems and sophisticated software systems can help people to lead healthier and more enjoyable lives, reliance on these systems can also result in loss of money, time, and life when these systems fail. Much of the complexity of these systems is due to integration of information technology into physical and human activities. Such integration dramatically increases the interdependencies among components, people, and processes, and generates complex dynamics not taken into account in systems of previous generations. Engineers with detailed understanding both of the application domain and computer electronics, software, human factors, and communication are needed to provide a holistic approach to system development so that disasters do not occur.

Engineering activities

The computer-based systems engineer develops a system within a system; the properties of the former have pervasive effects throughout the larger system. The computer-based system consists of all components necessary to capture, process, transfer, store, display, and manage information. Components include software, processors, networks, buses, firmware, application-specific integrated circuits, storage devices, and humans (who also process information). Embedded computer-based systems interact with the physical environment through sensors and actuators, and also interact with external computer-based systems (see illustration). The computer-based systems engineer must have a thorough understanding of the system in which the computer-based system is embedded, for example an automobile, medical diagnostic system, or stock exchange.

Model-based development

Models are necessary in systems engineering as they support interdisciplinary communication, formalize system definition, improve analysis of trade-offs and decision making, and support optimization and integration. The use of models can reduce the number of errors in the design and thus the system, reduce engineering effort, and preserve knowledge for future efforts. Maintaining models with up-to-date knowledge is a major problem as most systems are not generated from models, although this should be an industry goal. During the later stages of system development and testing, significant schedule pressure makes it difficult to keep the models and manually developed software consistent.

References in periodicals archive ?
The champions of IoT believe it will create opportunities for more direct integration of the physical world into computer-based systems, resulting in efficiency improvements, economic benefits and reduced human exertions.
The IOT enables the physical objects to share and exchange data, creating opportunities for more direct integration of the physical world into computer-based systems, resulting in efficiency improvements, economic benefits, and reduced human exertions.
US-based rugged computer, tablet and computer-based systems manufacturer Micronet Enertec Technologies, Inc.
19 February 2016 - US-based rugged computer, tablet and computer-based systems manufacturer Micronet Enertec Technologies, Inc.
These computer-based systems help monitor and control industrial, infrastructure and facility based processes and are extensively used in applications like electrical power transmission and distribution.
The Shaws' gift enabled the WV STEPS Center to expand its footprint, nearly quadrupling the educational space within the Health Sciences Center; improve computer-based systems; open a fifth simulation laboratory dedicated to "mothers and babies" that is equipped to simulate the obstetrical environment; and enhance programs, such as the Standardized Patient and the Clinical Skills program where individuals are trained to portray a patient simulating a clinical condition.
Exis Technologies is pleased to announce the launch of a new web service which allows companies to integrate the most current dangerous goods regulations into computer-based systems.
Micronet Enertec Technologies designs, develops, manufactures and sells rugged mobile computing devices and supplies various customized military computer-based systems for missile defense systems, command and control and others.
We still need that physical reality to verify and validate our simulated and automated routines; and some of the simplest tests we can do on a physical product turn out to be way beyond the capability of current and probably future computer-based systems.
We need again to invest in our people by incentivizing schools and the educational technology industry that supplies schools to create the next generation of front-office computer-based systems that will enable our teachers and our students to use the next-generation computers--the mobile tablets and smartphones--as essential tools for teaching and learning.
is a leader in providing machine vision, computer-based systems integration, data acquisition, robotics and high-tech laboratory solutions.

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