AGV systems and the route, docking and control decisions behind them

Describe guidance and obstacle response separately

A route may be represented through physical infrastructure, map features or another supported method. The comparison should state how location is determined and how the next movement is selected. Then test the response to an unavailable route under the site's approved conditions.

A vehicle that can locate itself without a physical track may still be restricted to defined paths. A system that can choose an alternative may still wait when no permitted path is available. These are configuration questions that a supplier should answer with a route example.

Match the vehicle to the load transfer

For a tugger, define the cart train and coupling operation. For a unit-load carrier, define the platform and transfer height. For a forklift-style vehicle, define pallet geometry, pickup access and placement. These descriptions are a planning checklist, not a statement that a single vehicle supports every arrangement.

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Docking time can outweigh a speed improvement

Use a hypothetical 180 m total travel distance at an average 1 m/s, including both legs of the route. Travel takes 180 seconds. Add two 30-second handoffs and 60 seconds of other waiting. The complete cycle is 300 seconds, or 12 loaded missions per hour.

Increasing the assumed travel speed to 1.2 m/s reduces travel to 150 seconds and the cycle to 270 seconds, about 13.3 missions per hour. Alternatively, removing 30 seconds of avoidable handoff delay would produce the same arithmetic improvement at the original speed.

Neither change is automatically suitable for a site. The example shows why timing each stage is more informative than comparing maximum speed alone. The average travel assumptions also exclude detailed acceleration and traffic effects.

Specify what central control and the vehicle each do

VDA 5050 describes communication between mobile robots and a central control system. VDA lists version 3.0.0 from March 2026 on its current overview. An integration specification should name the version used by both ends of the connection. [1]

List the required mission behavior and the system responsible for it. The project needs a clear owner for order assignment, route permissions, station readiness and error recovery. Interface compatibility should be tested with a complete physical mission.

A shared interface does not substitute for reviewing the robot's protective functions and the application's risks. Keep communication acceptance and safety validation as distinct work items. [2]

Include recovery and maintenance in the trial

For each interruption, retain the reason, the person involved and the time until normal operation resumes. Ten short recoveries and one long stoppage can have different effects on production even when total downtime is equal.

Observe commissioning effort as well as routine operation. Moving a station may require layout updates, guidance changes or transfer adjustments. Ask the supplier to document which parts change and how the revised route is validated.

A pilot should include replenishment, ordinary pedestrian and vehicle traffic, charging and a range of load conditions within the approved specification. Testing an empty route alone leaves those operating conditions unknown.

Compare proposals using the same denominator

Suppose two hypothetical systems each complete 240 loaded missions in a shift. One needs 12 interventions and the other six. That is five versus 2.5 interventions per 100 missions. Add the duration and severity of each intervention before drawing a conclusion about operator workload.

For cost comparisons, divide the explicitly included period cost by accepted loaded missions. Do not add empty return travel to the delivered-load count. Keep the route, load, service assumptions and required station output the same across the comparison.