Low Level Function
5.11.10 Alert Driver to Status

Overview

This Function shall be capable of providing the following facilities:

(1) The ability to enhance driver alertness using a variety of methods.
(2) Suggested methods shall include but not be limited to acoustical/optical warnings, haptic stimulation, or changes in ambient (on-board) conditions (e.g. temperature, smell).

Functional Requirements

(a) continuously monitor for the receipt of the driver status data flow
(b) when the data flow in (a) is received and it indicates that the driver is not alert, send an alert to the driver using the alert warning data flow
(c) make sure that the output of the data flow in (b) supersedes all other driver outputs
(d) maintain the output in (b) until the data flow in (a) is received indicating that the driver alertness has been restored.

Diagrams

The Diagram(s) is (are) the diagram(s) where you can find the function :
  • DFD 5.11 Provide Driver Monitoring and eCall
  • Functional Tree of Area 5

    • Parent Higher Level Function

    Input logical dataflows

    Output logical dataflows

    User needs

    Number

    Description

    8.5.0.3
    The system shall be able to warn the driver when a lack of alertness is detected.