HCSP Formal Modeling And Verification
Method And Its Application In The
Hybrid Characteristics Of A High Speed Train
Control System
Author(s)
J. Lv, K. Li, T. Tang & L. Chen
Abstract
The high speed train control system is a typical hybrid system, which not only
contains a continuous evolution process (train position and speed), but also the
discrete event between subsystems. Although some formal methods like HUML,
HA and DL have already been used in modeling and verification train control
systems, they are not good at describing communication behaviors which are in
the interactive process of subsystems. To overcome this problem, we introduce a
formal modeling and verification method for hybrid systems. First, we use HCSP
to model the behavior of the system. Second, we transit the HCSP models to HA
models by introducing some transition rules. Finally we input these HA models
to PHAVer which is a tool for verifying safety properties of hybrid systems to
automatic verification. Based on the simulation and analysis of a Movement
Authority scenario in high speed train control system specifications, the method
is proven to be validated.
Keywords: high speed train control system, HCSP, Hybrid Automata, Movement
Authority scenario.
Keywords
high speed train control system, HCSP, Hybrid Automata, Movement
Authority scenario
Related Book
Other papers in this volume
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