The TLL XYZ/E is a formal language able to represent the dynamic semantics and the static semantics in a unified framework. It supports the whole process of program development, i.e. from the abstract specification to...The TLL XYZ/E is a formal language able to represent the dynamic semantics and the static semantics in a unified framework. It supports the whole process of program development, i.e. from the abstract specification to the efficiently executable program in a formal, precise and convenient way. The steam boiler control specification problem, a large case study in the fields of real time, hybrid and communication systems, is discussed with XYZ/E. The approach covers physical model construction, formal specification, stepwise refinement, verification, executable program and visual user interface programming.展开更多
An embedded system is a system that computer is used as a componelit ina larger device. In this paper, we study hybridity in embedded systems andpresent an interval based temporal logic to express and reason about hyb...An embedded system is a system that computer is used as a componelit ina larger device. In this paper, we study hybridity in embedded systems andpresent an interval based temporal logic to express and reason about hybridproperties of such ldnd of systems.展开更多
XYZ/E is a temporal logic system as well as a programming language. The temporal logic language XYZ/E can represent both high level and low level specifications in the same framework, so that the specification and imp...XYZ/E is a temporal logic system as well as a programming language. The temporal logic language XYZ/E can represent both high level and low level specifications in the same framework, so that the specification and implementation of software systems are very convenient. A specification and an implementation of the Steam Boiler Control Specification Problem in XYZ/E is presented in this paper. A visual user interface is also implemented.展开更多
文摘The TLL XYZ/E is a formal language able to represent the dynamic semantics and the static semantics in a unified framework. It supports the whole process of program development, i.e. from the abstract specification to the efficiently executable program in a formal, precise and convenient way. The steam boiler control specification problem, a large case study in the fields of real time, hybrid and communication systems, is discussed with XYZ/E. The approach covers physical model construction, formal specification, stepwise refinement, verification, executable program and visual user interface programming.
文摘An embedded system is a system that computer is used as a componelit ina larger device. In this paper, we study hybridity in embedded systems andpresent an interval based temporal logic to express and reason about hybridproperties of such ldnd of systems.
文摘XYZ/E is a temporal logic system as well as a programming language. The temporal logic language XYZ/E can represent both high level and low level specifications in the same framework, so that the specification and implementation of software systems are very convenient. A specification and an implementation of the Steam Boiler Control Specification Problem in XYZ/E is presented in this paper. A visual user interface is also implemented.