AMR Testing: CAN Bus Data Loggers for Autonomous Mobile Robot Validation

AMR testing with CAN bus data loggers provides the objective, time-stamped data record that autonomous mobile robot testing engineers need to validate navigation performance, safety systems, drive mechanics, and integration behaviour before deploying AMRs in shared human-robot workspaces. A CAN bus data logger connected to the AMR's internal CAN network captures all motor controller commands and feedback, battery management system data, safety laser scanner status, emergency stop signals, and fleet management communication — the complete internal state of the robot during every CAN bus robot testing scenario. This AMR CAN data logging record enables engineers to objectively measure navigation accuracy, verify safety response times against specification, identify control system defects, and build the robot safety validation documentation that facility operators and regulators require before AMR commissioning. As AMR deployments grow in automotive plants, pharmaceutical warehouses, and logistics centres, rigorous AMR testing with CAN data loggers is an essential step in confident, safe robot deployment.

What CAN Bus Robot Testing Captures in AMR Validation

The CAN bus in an autonomous mobile robot is the primary nervous system — connecting the robot's drive motor controllers, battery BMS, safety system controller, and I/O modules into a coordinated network. AMR CAN data logging during autonomous mobile robot testing captures the complete real-time picture of robot internal state:

• Drive System Data: CAN bus robot testing captures motor controller CAN messages — velocity commands, actual wheel speed feedback, motor torque, current draw, controller temperature, and drive system fault codes. This data validates drive control loop accuracy, wheel slip detection, and motor protection behaviour during AMR testing load and speed variation trials.
• Battery and Power Data: Battery management system CAN data captured by AMR CAN data logging includes cell voltages, pack SOC, charging current, temperature, and BMS fault codes — enabling validation of battery runtime under operational load, charging behaviour, and low-battery safe-stop sequences during autonomous mobile robot testing.
• Safety System Events: Safety laser scanner zone transitions, emergency stop activations (source and reason), safety I/O state changes, and recovery sequences are all transmitted on the AMR CAN bus and captured by the CAN bus robot testing data logger. Time-stamped robot safety validation records prove that safety systems responded within specification.
• Navigation and Mission Data: Position updates (from onboard localisation), waypoint commands, obstacle detection events, speed adjustments, and docking sequences — AMR CAN data logging correlates navigation CAN messages with actual position data for path tracking accuracy analysis.

AMR Testing Protocol: From Lab to Facility

Robot Safety Validation Requirements for AMR Deployment

Robot safety validation for AMRs operating in human-occupied facilities follows ISO 3691-4 (industrial trucks — safety requirements for driverless trucks and their systems). The standard requires documented autonomous mobile robot testing of emergency stop performance (stopping distance from maximum speed must be within calculated personnel safety distance), safety sensor zone coverage, failure mode behaviour (safe state on communication loss, sensor failure, or power interruption), and maximum speed limits in personnel areas. AMR CAN data logging provides the objective evidence for each of these requirements — the time-stamped CAN bus robot testing records showing emergency stop signals, response times, and safe-state transitions form the core of the robot safety validation documentation file submitted for facility deployment approval.

Deploy AMR CAN Data Logging with Precisol Automation

Precisol Automation's CAN Data Logger provides compact, multi-channel AMR CAN data logging for autonomous mobile robot testing — capturing all internal CAN bus communication at high sample rates, with onboard storage for untethered AMR testing on the robot during navigation trials. The CAN to USB Adapter provides real-time CAN bus robot testing interface to a test laptop for live monitoring during robot safety validation tests.

See autonomous mobile robot testing with CAN data loggers in our AMR testing case study, or explore how Precisol enables industrial AMR field testing with CAN bus gateway tools for AMR CAN data logging and robot safety validation.

Frequently Asked Questions