93Bxx Controllability, observability, and system structure

• 93B03 Attainable sets
  
• 93B05 Controllability
  
• 93B07 Observability
  
• 93B15 Realizations from input-output data
  
• 93B18 Linearizations
  
• 93B30 System identification
  
• 93B35 Sensitivity (robustness)
  
• 93B40 Computational methods
  
• 93B50 Synthesis problems
  
• 93B51 Design techniques (robust design, computer-aided design, etc.)
  
• 93B55 Pole and zero placement problems