Inspec keywords: dynamic response; closed loop systems; nonlinear control systems; valves; control system synthesis; pneumatic actuators; position control; PI control

Other keywords: fixed-gain nonlinear control; low-cost pneumatic actuator; three-way proportional control valve; PI control; dynamic response; positioning system; position control; robust proportional-integral control; quantitative feedback theory

Subjects: Control technology and theory (production); Control system analysis and synthesis methods; Spatial variables control; Nonlinear control systems; Hydraulic and pneumatic control equipment