| 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} |
| 47 | DD | .~.~ Trainable system (e.g., self-learning, self-organizing) {1} |
| 48 | | .~.~.~ Neural network |