Sensor Bandwidth Limit Explorer
Controller
K
p
10.0
Plant: G(s) = K
p
/ (s² + 2s + 1)
Sensor
ω
s
20
H(s) = ω
s
/ (s + ω
s
)
—
PM (ideal)
—
PM (real)
—
BW ideal
—
Status
Blue
= ideal sensor H=1
Red
= bandlimited H(s)
Push K
p
↑ or ω
s
↓ until the red trace oscillates. The sensor bandwidth sets a hard ceiling.
Step Response — ideal vs bandlimited sensor
Closed-Loop Pole Migration as K
p
increases
💡
Slide Kp up or ωs down to see the sensor bandwidth limit in action.