Automated milking systems (AMS, robotic milking) allow cows to be milked voluntarily at times of their choosing, fundamentally altering the human-cow relationship and offering significant welfare advantages. Research demonstrates AMS cows show higher milking frequency (2.8-3.2 times vs 2-3 times daily), more flexible time budgets, and reduced queuing stress compared to conventional milking. Lying time is 30-60 minutes longer daily in well-managed AMS systems. Lameness detection, rumination monitoring, and milk quality sensors provide early health alerts. Welfare challenges include fetching cows reluctant to visit the robot, teat condition from incomplete milking, and transition management. Traffic management systems (guided cow traffic) maintain herd order and reduce social conflict. AMS is associated with improved farmer wellbeing through reduced early-morning milking obligations, creating positive human-animal relationship spillover effects.