loc-bbt-en
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| loc-bbt-en [2020/06/17 15:15] – [Berekening] vt601 | loc-bbt-en [2024/01/28 17:08] (current) – rjversluis | ||
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| [[english|Content]] -> [[english# | [[english|Content]] -> [[english# | ||
| - | * [[loc-index-en|Index]] | [[loc-gen-en|General]] | [[loc-int-en|Interface]] | [[: | + | * [[loc-index-en|Index]] | [[loc-gen-en|General]] | [[loc-int-en|Interface]] | [[: |
| * [[bbt-generate-in-en|BBT Generate IN]] | * [[bbt-generate-in-en|BBT Generate IN]] | ||
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| =====Description===== | =====Description===== | ||
| - | The task of BBT is to ensure that locomotives / trains arrive as precisely as possible with the speed **V_min** at the **IN** detector. The locomotive is braking in a predetermined number of steps between **ENTER** and **IN**, as Rocrail sends decreasing speed commands to the locomotive at regular times. If the locomotive arrives at the **IN** detector after an attempt at a higher speed than **V_min**, Rocrail calculates a faster sequence of the steps and tries it with the next attempt. If the locomotive is at **V_min**, long before it arrives at the **IN** detector (and now creeps to the **IN** detector), then Rocrail calculates a slower sequence of steps. With each iteration, the sequence becomes more accurate to finally reach the **IN** detector with a point-to-point accuracy of **V_min**. In those cases, where the setting of the different speed steps between **ENTER** and **IN** is visually recognizable (i.e. jerking of the locomotive), | + | The task of BBT is to ensure that locomotives / trains arrive as precisely as possible with the speed **V_min** at the **IN** detector. The locomotive is braking in a predetermined number of steps between **ENTER** and **IN**, as Rocrail sends decreasing speed commands to the locomotive at regular times. If the locomotive arrives at the **IN** detector after an attempt at a higher speed than **V_min**, Rocrail calculates a faster sequence of the steps and tries it with the next attempt. If the locomotive is at **V_min**, long before it arrives at the **IN** detector (and now creeps to the **IN** detector), then Rocrail calculates a slower sequence of steps. With each iteration, the sequence becomes more accurate to finally reach the **IN** detector with a point-to-point accuracy of **V_min**. In those cases, where the setting of the different speed steps between **ENTER** and **IN** is visually recognizable (i.e. jerking of the locomotive), |
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| + | **Note** Enter2in sensors are not supported in conjunction with BBT. \\ | ||
| You can find more details __**[[# | You can find more details __**[[# | ||
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| =====BBT Tab===== | =====BBT Tab===== | ||
| - | {{: | + | {{: |
| The BBT records can be sorted by clicking on one of the columns headers.\\ | The BBT records can be sorted by clicking on one of the columns headers.\\ | ||
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| For each speed a separate BBT record is created.\\ | For each speed a separate BBT record is created.\\ | ||
| Note that Rocrail only knows the locos speed setting and not the locos absolute speed at **enter**. This is only relevant if the loco is still accelerating or decelerating when it passes the enter sensor.\\ | Note that Rocrail only knows the locos speed setting and not the locos absolute speed at **enter**. This is only relevant if the loco is still accelerating or decelerating when it passes the enter sensor.\\ | ||
| + | |:!: If a train stops in front of a block with BBT, please note: __ ** [[: block-details-en # speed | reduce speed]] ** __. If this option is deactivated, | ||
| ===Speed +/-=== | ===Speed +/-=== | ||
| The same as **Speed**, but with regarding the block enter side.\\ | The same as **Speed**, but with regarding the block enter side.\\ | ||
loc-bbt-en.1592399709.txt.gz · Last modified: 2020/06/17 15:15 by vt601