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Home About Deadhead Switches Deadhead occurs when you travel in a schedule or run itinerary from one event or location to another during which there are no passengers on board the vehicle (for example, a garage to a pick-up location, or from a drop-off location to the next pick-up location); therefore, no revenue is generated during such periods.
About Deadhead Cost Calculation Deadhead calculations are used to help determine how desirable a trip solution is when searching for scheduling solutions. The selected formula is applied only to an event with deadhead time before it, and the sum of these calculations determines the total deadhead cost for an entire run for the day.
About this Guide PASS Schedule Server Switches Reference Guide provides information for different types of switches in Schedule Server .
About Schedule Server Schedule Server is a server application that facilitates updating, scheduling, and checking of scheduling information in the Trapeze4 Workstation.
Setting Schedule Server Switches Schedule Server switches are settings that can enable, disable, or set limits for scheduling information from Schedule Server .
About Triangulation Speed Factors Triangulation Speed Factors requires PASS "triangulation" distance calculation and speed factor calculations to calculate estimated trip times.
About Managing Speed Factors Distance and time speed factors are configured in the Speed Factors screen in the Schedule Administrator application. Speed factors can be defined for weekdays (Monday to Friday) or weekend days (Saturday and Sunday).
About Calculating Trip Costs All scheduling decisions are performed based on the “cost” of a trip.
About Bad Trip Locator The Bad Trip Locator (BTL) is an automated process that finds “bad” trips on runs and moves them to better runs.
About Batch Scheduling Batch scheduling or batching is the automated process of selecting a bunch of trips.
About Capacity Type Swapping Switches The PASS scheduling algorithm has been enhanced with capacity type swapping that enables the ability to be used on a run that is more suitable to transport a group of clients.
About Deadhead Switches Deadhead occurs when you travel in a schedule or run itinerary from one event or location to another during which there are no passengers on board the vehicle (for example, a garage to a pick-up location, or from a drop-off location to the next pick-up location); therefore, no revenue is generated during such periods.
Configuring Deadhead Switches Deadhead switches are configured in the Trace Options dialog box of the Schedule Server application window.
About Deadhead Cost Calculation Deadhead calculations are used to help determine how desirable a trip solution is when searching for scheduling solutions. The selected formula is applied only to an event with deadhead time before it, and the sum of these calculations determines the total deadhead cost for an entire run for the day.
About Calculation Variables The amount of time in minutes between run events when no passengers are on board is known as deadhead time (dht). The deadhead time is undesirable because there is no revenue being generated if there are no clients paying for a trip.
About Deadhead Time vs Slack The amount of deadhead time in a schedule is correlated with the amount of slack available. Keep in mind that reducing deadhead time by adding trips to a schedule will also deplete slack time. Conversely, increasing the total slack for a schedule will often result in reduced deadhead.
About Deadhead Calculation Formulas There are four formulas that Schedule Server can use to calculate trip costs for deadhead:
Deadhead Switches and Descriptions The following switches are found in the Trace Options dialog box in the Schedule Server application by expanding the folder:
About Fast Costing Switches Fast Costing is performed by the Schedule Server to quickly evaluate a group of candidate solutions and select the best ones to present to the user when scheduling a client trip.
Backtracking Violations Backtracking occurs when a vehicle with a passenger on board returns to or close to a location where the passenger was picked up, or passes by a destination area and leaves without dropping off the client, resulting in a Backtracking violation (BT).
About Deadhead Cost Calculation
Deadhead calculations are used to help determine how desirable a trip solution is when
searching for scheduling solutions. The selected formula is applied only to an event with
deadhead time before it, and the sum of these calculations determines the total deadhead cost
for an entire run for the day.
About Calculation Variables The amount of time in minutes between run events when no passengers are on board is known as deadhead time (dht). The deadhead time is undesirable because there is no revenue being generated if there are no clients paying for a trip.
About Deadhead Time vs Slack The amount of deadhead time in a schedule is correlated with the amount of slack available. Keep in mind that reducing deadhead time by adding trips to a schedule will also deplete slack time. Conversely, increasing the total slack for a schedule will often result in reduced deadhead.
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