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. 2018 Jun 14;5:51. doi: 10.3389/frobt.2018.00051

Table 4.

Controller gains implemented in the system.

Loop Gain Smart manifold (rotaty) ISA V5 (linear) 
Current Kp 16 V/mA 16 V/mA
Ki - -
Kd - -
Kpf 1.15 1.15
ωlead 10,681 rad/s 10,681 rad/s
ωlag 2,513.3 rad/s 25,133 rad/s
ζlag 0.1 0.1
ζlead 0.65 0.65
Spool Kp - 0.4 mA
Ki - -
Kd - -
Force/torque Kp 0.04 mA/Nm 0.02 mm/N
Ki 7 mA/Nms 0.85 mm/Ns
Kd - -
Position Kp 300 Nm/rad 20,000 N/mm
Ki - -
Kd 20 Nms/rad 9,500 Ns/mm
Velocity compensation Kv 0.65 mA/s 240 s
Force damping gain Kf 0.004 s 0.006 s

Gains marked with an asterisk (*) may change depending on the task.