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AGV and AMR planning: from transport matrix to fleet size

A robust AGV or AMR concept starts with the transport task, time profile, layout and operating model rather than a vehicle catalogue.

In brief

Origins, destinations, loads, time profiles and cycle times form the baseline fleet calculation. Traffic, charging, availability and dispatching determine whether the overall system performs.

How is an AGV or AMR system planned?

Planning connects the transport matrix, suitability assessment, technology selection, fleet sizing, route layout, charging and operating concept, IT interfaces and testable acceptance criteria.

1. Transport matrix and time profile

Each relation contains origin, destination, load carrier, quantity, frequency, priority and service window. Empty returns and exceptions remain visible. Shift starts, breaks, production ramp-up and shipping waves are evaluated separately from daily averages.

From transport demand to an accepted mobile-robot system
  1. 01

    Task

    Relations, loads and profiles

  2. 02

    Suitability

    Standardisation and environment

  3. 03

    Design

    Cycle time, fleet and charging

  4. 04

    Integration

    Layout, controls and transfers

  5. 05

    Evidence

    Test, performance, availability

2. Fleet sizing

The baseline combines loaded and empty travel, pickup and set-down, waiting and charging. Usable vehicle time is reduced by planned unavailability and a documented reserve. Peak windows are assessed independently.

ComponentExamplesImpact
Travelloaded and empty routes, curvesbase cycle time
Handlingpickup, set-down, positioningmission duration
Trafficintersections, mixed trafficwaiting and variability
Energycharging windows and powerusable time
Operationfailure, maintenance, reserveavailability

When simulation is useful

A static calculation can be sufficient for a few independent relations with stable demand. Material flow simulation is useful where vehicles share bottlenecks, dispatching rules matter or charging strategies interact with peaks.

3. Integration and acceptance

Routes are checked against clearances, doors, lifts, fire compartments, pedestrian traffic and transfer stations. Order, acknowledgement, status, exception and fallback messages are specified. Acceptance covers functions, coupling, trial operation, cycle time, throughput and availability under agreed conditions.

The current VDI 2710:2025 provides the integrated planning framework. VDI 2710 Part 4 combines monetary appraisal and utility analysis.

FAQ

Frequently asked questions

How many vehicles are required?

Transport missions are converted into loaded and empty travel, handling, waiting and charging time, then adjusted for usable operating time and a documented reserve.

When is simulation required?

When shared aisles, intersections, dispatching rules, variable arrivals or charging materially affect queues and throughput.

What is tested during acceptance?

Functions, interfaces, cycle times, throughput, availability, exception handling and documentation under agreed loads and conditions.

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