Search Results - "Karpenko, Mark"

A review of pseudospectral optimal control: From theory to flight by Ross, I. Michael, Karpenko, Mark

“…The home space for optimal control is a Sobolev space. The home space for pseudospectral theory is also a Sobolev space. It thus seems natural to combine…”
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Electrohydraulic force control design of a hardware-in-the-loop load emulator using a nonlinear QFT technique by Karpenko, Mark, Sepehri, Nariman

“…This paper presents the design of a robust force control system for an electrohydraulic load emulator utilized as part of a hardware-in-the-loop flight…”
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Hardware-in-the-loop simulator for research on fault tolerant control of electrohydraulic actuators in a flight control application by Karpenko, Mark, Sepehri, Nariman

“…Testing fault tolerant control and diagnosis systems for hydraulic actuators under operating conditions that closely resemble the intended application is an…”
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On quantitative feedback design for robust position control of hydraulic actuators by Karpenko, Mark, Sepehri, Nariman

“…This paper discusses several practical issues related to the design of robust position controllers for hydraulic actuators by quantitative feedback theory…”
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A simple approach for predicting time-optimal slew capability by King, Jeffery T., Karpenko, Mark

“…The productivity of space-based imaging satellite sensors to collect images is directly related to the agility of the spacecraft. Increasing the satellite…”
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Hardware-in-the-loop simulator for research on fault tolerant control of electrohydraulic actuators in a flight control application : Hardware-in-the-loop simulation by KARPENKO, Mark, SEPEHRI, Nariman

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Fault-tolerant control of a servohydraulic positioning system with crossport leakage by Karpenko, M., Sepehri, N.

“…This brief details the design of a fault-tolerant control (FTC) scheme for a servohydraulic positioning system with a faulty actuator piston seal that…”
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Solving Optimal Navigation Gain Programs for Pure Proportional Navigation by Roush, Angela M., Karpenko, Mark

“…This paper presents a computational optimal control problem formulation for solving optimal gain programs for pure proportional navigation (PPN). The influence…”
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Waypoint Following Dynamics of a Quaternion Error Feedback Attitude Control System by Karpenko, Mark, Halverson, Julie K, Besser, Rebecca

“…29th AAS/AIAA Space Flight Mechanics Meeting, January 13-17, 2019, Ka'anapali, HI. Paper number: AAS 19-283 Closed-loop attitude steering can be used to…”
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Equivalent Time-Invariant Modelling of Electrohydraulic Actuators with Application to Robust Control Synthesis by Karpenko, Mark, Sepehri, Nariman

“…An important aspect of robust control development around hydraulic actuators is establishing a set of equivalent linear time-invariant (LTI) models that…”
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A Pseudospectral Approach to High Index DAE Optimal Control Problems by Marsh, Harleigh C, Karpenko, Mark, Gong, Qi

“…Historically, solving optimal control problems with high index differential algebraic equations (DAEs) has been considered extremely hard. Computational…”
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Robust Control of a Flexible Double Gimbal Mechanism by Shaffer, Richard, Karpenko, Mark, Qi Gong

“…Parameter uncertainty in nonlinear models for the control of flexible double gimbal mechanism has been shown to have an effect on a controller's ability to…”
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Fault-tolerant control design for an electrohydraulic actuator with application to positioning of aircraft flight control surfaces by Karpenko, Mark

“…In recent years, there has been an increasing interest in developing safer and more reliable control systems. However, the application of fault tolerant…”
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Quantitative fault tolerant control design for a hydraulic actuator with a leaking piston seal by Karpenko, Mark

“…Hydraulic actuators are complex fluid power devices whose performance can be degraded in the presence of system faults. In this thesis a linear, fixed-gain,…”
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Unscented guidance for waypoint navigation of a fixed-wing UAV by Shaffer, Richard, Karpenko, Mark, Qi Gong

“…Aerodynamic uncertainty can lead to large variations in the dynamics of fixed-wing unmanned aerial vehicles. Thus, waypoint navigation is normally done using a…”
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Unscented guidance by Ross, I. Michael, Proulx, Ronald J., Karpenko, Mark

“…Unscented guidance combines the concept of the unscented transform with standard optimal control theory to produce an open-loop method to manage uncertainties…”
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Path constraints in tychastic and unscented optimal control: Theory, application and experimental results by Ross, I. Michael, Karpenko, Mark, Proulx, Ronald J.

“…In recent papers, we have shown that a Lebesgue-Stieltjes optimal control theory forms the foundations for unscented optimal control. In this paper, we further…”
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A Lebesgue-Stieltjes framework for optimal control and allocation by Ross, I. Michael, Karpenko, Mark, Proulx, Ronald J.

“…A Lebesgue-Stieltjes optimal control framework is used as the basis for constructing deterministic controls for uncertain systems. The framework is motivated…”
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A Pseudospectral optimal motion planner for autonomous unmanned vehicles by Hurni, M A, Sekhavat, P, Karpenko, M, Ross, I M

“…This paper presents a pseudospectral (PS) optimal control algorithm for the autonomous motion planning of a fleet of unmanned ground vehicles (UGVs). The UGVs…”
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Design and experimental evaluation of a nonlinear position controller for a pneumatic actuator with friction by Karpenko, M., Sepehri, N.

“…This paper documents the development and experimental evaluation of a practical nonlinear position controller for a typical industrial pneumatic actuator that…”
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