INIS
control
100%
drilling
100%
feedback
100%
output
100%
nonlinear problems
100%
slip
80%
design
40%
drills
40%
interactions
40%
rocks
40%
oscillations
40%
control systems
40%
failures
20%
dynamics
20%
operation
20%
asymptotic solutions
20%
oil fields
20%
reliability
20%
velocity
20%
synthesis
20%
performance
20%
stability
20%
equilibrium
20%
Engineering
Output Feedback
100%
Stick-Slip
100%
Feedback Control System
100%
Models
75%
Rock Interaction
50%
Control System
50%
Control Strategy
50%
Slip Vibration
50%
Vibration Control
25%
Velocity
25%
State Feedback Controller
25%
Failure (Mechanical)
25%
Design
25%
Operational Condition
25%
Controller Synthesis
25%
Drilling Operation
25%
Feedback Controller
25%