Control Software Specification and Design: An Overview
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Title: Control Software Specification and Design: An Overview

Section 1: Control system design needs
Description 1: This section discusses the reduction of hardware costs, the complexity of modern control systems, and the importance of formal specifications and tools in software development.

Section 2: Control and software engineering
Description 2: This section outlines the division of a control system into the controller and the controlled plant, detailing the tasks of control engineering and software engineering.

Section 3: Controller design of industrial processes
Description 3: This section explains how industrial processes are designed, with subsections addressing sequential and continuous aspects, finite automata, Petri-nets, and process specification grammars.

Section 4: Development systems and tools
Description 4: This section covers the tools and systems used to support the documentation, simulation, and programming of control functions, highlighting the limitations and future advancements in the field.

Section 5: Future prospects and expert systems
Description 5: This section discusses the future of control software engineering, focusing on the potential of expert systems, improved process models, and artificial intelligence to enhance design and implementation.