Mathematics
Telescope
100%
System Simulation
96%
Active Control
95%
Actuator
86%
Mirror
74%
Prototype
73%
Control System
59%
Sensor
26%
Disturbance
21%
Tip-tilt
16%
Hexagon
15%
Astronomical Telescopes
15%
Controller
14%
PID Controller
12%
Observatory
12%
Thermal Effects
10%
Segmented Mirror
10%
Multiple-input multiple-output (MIMO)
10%
Positioning
10%
Astrophysics
10%
Feedforward
9%
Simulation
9%
State-space Model
8%
Rejection
8%
Vibration
7%
Model
4%
Design
4%
Range of data
4%
Engineering & Materials Science
Telescopes
78%
Mirrors
68%
Control systems
41%
Actuators
34%
Controllers
8%
Sensors
7%
Astrophysics
7%
Wind effects
6%
Observatories
6%
Surface mount technology
6%
Singular value decomposition
5%
Thermal effects
5%
Pistons
5%