| 700 / | HD | DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS |
| 1 | DD | GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS {15} |
| 28 | DD | .~ Optimization or adaptive control {13} |
| 29 | | .~.~ Having model {2} |
| 30 | DD | .~.~.~> Comparison with model (e.g., model reference) |
| 31 | DD | .~.~.~> Having adjustment of model (e.g., update) |