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Applied Sciences, Vol. 16, Pages 9078: Backstepping Angle Control of a Marine Hydraulic Ramp Based on a Nonlinear Extended State Observer
23+ hour, 12+ min ago (460+ words) Marine hydraulic ramps exhibit pronounced nonlinear behavior arising from configuration-dependent transmission geometry, gravitational torque, and servovalve flow–pressure coupling. Accurate angle regulation is further complicated by external disturbances and unavailable internal states. This study develops a nonlinear extended state observer…...