Metodologie e strumenti dell'Ingegneria dei Requisiti ... - MobiLab

Descrizione:The BCU (dataset 5x2) shall inform about wheel sliding condition the TCMS on MVB
(dataset 502).
BCU can also directly demand senders activation directly on MVB (dataset 5x3).
Output atteso:Wheel sliding information sent to TCMS on MVB (dataset 5x2) or sanders activation
request sent to TCMS on MVB through dataset 5x3
Postcondizioni:
Tipologia: Functional/Safety
frase originaria: In both cases TCMS shall command the sanders in agreement with train direction
if the sliding is detected for more than a fixed value in ms or until the sand request is active.
The sanders activation shall last until the above condition are active and shall stop when the vehicle
shall reach the standstill condition.
ID: SHR_TCMS_01
Link a REQ_BRAKE_13a (FRS)
Nome: Wheel sliding in traction or braking
Input: Wheel sliding information by TCU or BCU or sanders activation request by BCU
Precondizioni:
Descrizione: TCMS shall command the sanders in agreement with train direction if the sliding is
detected for more than fixed value in ms in agreement with train direction or until the sand request is
active.
The sander activation shall last until the above condition are active and shall stop when the vehicle
will reach the standstill condition.
Output atteso:Sanders activation commanded
Postcondizioni:
Tipologia:Functional/Safety
ID: SLR_TCMS_01
Link a SHR_TCMS_01 (HLR)
Nome: Wheel sliding in traction or braking
Input: Wheel sliding information by TCU or BCU on MVB through dataset 5x2 or sanders
activation request by BCU on MVB through dataset 5x3.
Precondizioni:
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