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Description Class MalfunctionActuator

INTENTION

This class provides all definitions to describe the behavior of an actuator if it has a malfunction.

The facility manager as well as the user are informed about a malfunction.

REQUIREMENT SPECIFICATIONS

Property  I_MA1 
NL : Initially the user is not informed about an important event concerning this actuator.

Property  I_MA2 
NL : Initially the facility manager is not informed about an important event concerning this actuator.

Property  R_MA1 
NL : Whenever a user becomes informed he is informed for at most $T_\mathit{info}$ milliseconds. By this requirement it is expressed, that the user is not informed permanently, but that the information is a kind of signal, e.g. an email.

Property  R_MA2 
NL : Whenever the facility manager becomes informed he is informed for at most $T_\mathit{info}$ milliseconds. By this requirement it is expressed, that the facility manager is not informed permanently, but that the information is a kind of signal, e.g. an email.

Property  R_MA3 
NL : Whenever the machine assumes that a malfunction of the actuator has occurred, the user is informed about this within $T_\mathit{infDelay}$ milliseconds.

Property  R_MA4 
NL : Whenever the machine assumes that a malfunction of the actuator has occurred, the facility manager is informed about this within $T_\mathit{infDelay}$ milliseconds.

Property  R_MA5 
NL : Whenever the machine assumes that the actuator is working correctly again after it has had a malfunction, the user is informed about this within $T_\mathit{infDelay}$ milliseconds.

Property  R_MA6 
NL : Whenever the machine assumes that the actuator is working correctly again after it has had a malfunction, the facility manager is informed about this within $T_\mathit{infDelay}$ milliseconds.


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Forest-System
1999-06-10