ISO 12188-1:2010
Tractors and machinery for agriculture and forestry — Test procedures for positioning and guidance systems in agriculture — Part 1: Dynamic testing of satellite-based positioning devices
ISO 12188-1:2010 provides a procedure for evaluating and reporting the accuracy of navigation data determined using positioning devices that are based on GPS, GLONASS, Galileo or similar global navigation satellite systems (GNSS). It focuses on the performance of the positioning devices while they are subject to motions typical of ground-based agricultural field operations and specifies common performance parameters that can be used to quantify and compare the dynamic performance of different positioning devices.
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Scope
Terms and definitions
General terms related to positioning device testing
Terms describing position accuracy and error measurements
Requirements
General
Horizontal positioning test
Initialization time
Date and time recording
Conduction of test runs
Dynamic signal reacquisition test
Purpose of dynamic signal reacquisition test
Simulation of signal loss
Calculations and report
General
Test validity
Use of NDRs
Reporting signed/unsigned error distributions
Additional elements in test reports
Calculation of linear distances and errors
Positioning accuracies
Absolute dynamic accuracy
Relative dynamic accuracy
Absolute vertical position accuracy
Relative vertical position accuracy
Short-term dynamic accuracy
Long-term cross-track accuracy
U-turn accuracy
Absolute accuracy after signal loss
Course-over-ground accuracy
Course latency
Speed accuracy
Latency
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Scope
Terms and definitions
General terms related to positioning device testing
Terms describing position accuracy and error measurements
Requirements
General
Horizontal positioning test
Initialization time
Date and time recording
Conduction of test runs
Dynamic signal reacquisition test
Purpose of dynamic signal reacquisition test
Simulation of signal loss
Calculations and report
General
Test validity
Use of NDRs
Reporting signed/unsigned error distributions
Additional elements in test reports
Calculation of linear distances and errors
Positioning accuracies
Absolute dynamic accuracy
Relative dynamic accuracy
Absolute vertical position accuracy
Relative vertical position accuracy
Short-term dynamic accuracy
Long-term cross-track accuracy
U-turn accuracy
Absolute accuracy after signal loss
Course-over-ground accuracy
Course latency
Speed accuracy
Latency