Low Level Function
4.1.16 Monitor PT Vehicle Status

Overview

This Function shall be capable of providing the following facilities:

(1) The ability to collect data from sensors and other functionality on-board the PT Vehicle, including Vehicle parameters, numbers of PT Passengers currently on-board, PT Vehicle alarms, notification of unusual passenger activity and notification of an incident from Passengers on-board the PT Vehicle.
(2) The ability to forward the PT Vehicle alarms and incidents to the Provide Safety and Emergency Facilities functionality and send the response to other functionality.
(3) Send the collected PT Vehicle data to other functionality for processing.
(4) Send PT Vehicle data plus details of alarms and their responses to the PT Driver interface functionality.
(5) Support for data and interchange with the PT Vehicle.

Functional Requirements

(a) continuously monitor for the arrival of input data flows from PT vehicle equipment messages and alarms and internal images of the PT vehicle, plus data from which the vehicle can determine its location
(b) if necessary notify alarm occurrences provided by the data flows in (a) to other functionality within the Manage Public Transport Operations and Emergency Services Functional Areas, including the PT vehicle location where necessary
(c) send real-time data about the PT vehicle to the Collect PT Vehicle Data function in the PT vehicle real-time data flow
(d) as a result of (b) await arrival of data flows containing details about emergency interventions
(e) when the data flow in (d) arrives send it to the Provide PT Passegner Vehicle Alarm Facility function in the passenger alarm acknowledgement data flow.

Diagrams

The Diagram(s) is (are) the diagram(s) where you can find the function :
  • DFD 4.1 Monitor PT fleet
  • Functional Tree of Area 4

    • Parent Higher Level Function

    Input logical dataflows

    Output logical dataflows

    User needs

    Number

    Description

    10.1.0.1
    The system shall provide effective and attractive PT.
    10.1.2.1
    The system shall be able to receive information about the service number, identity, status, occupancy and location of all vehicles in the fleet in real time.
    10.1.2.3
    The system shall be able to receive information about the vehicle identity and operational status of all vehicles in the fleet in real time.
    10.1.3.1
    The system shall be able to identify an incident and make arrangements for the care for the passengers.
    10.5.0.1
    The system shall monitor for, and collect evidence on, illegal activities in car parks, PT facilities, PT vehicles, etc.
    10.5.0.3
    The system shall summon assistance when drivers, or other travellers, are assaulted.