Torque saturation in bipedal robotic walking through control Lyapunov function-based quadratic programs
This paper presents a novel method to address the actuator saturation for nonlinear hybrid
systems by directly incorporating user-defined input bounds in a controller design. In …
systems by directly incorporating user-defined input bounds in a controller design. In …
HJB optimal feedback control with deep differential value functions and action constraints
Learning optimal feedback control laws capable of executing optimal trajectories is essential
for many robotic applications. Such policies can be learned using reinforcement learning or …
for many robotic applications. Such policies can be learned using reinforcement learning or …
Continuous-time fitted value iteration for robust policies
M Lutter - Inductive Biases in Machine Learning for Robotics and …, 2023 - Springer
One approach to obtain the optimal control inputs that maximize the reward, is to solve the
equation, as this differential equation expresses a sufficient and necessary condition for …
equation, as this differential equation expresses a sufficient and necessary condition for …
An approximate wind turbine control system model for wind farm power control
Y Guo, SH Hosseini, CY Tang, JN Jiang… - IEEE Transactions …, 2012 - ieeexplore.ieee.org
Wind farm power control is key to reliable large-scale wind integration. The design of a
sophisticated wind farm controller, however, is challenging partly because there is a lack of …
sophisticated wind farm controller, however, is challenging partly because there is a lack of …
Stable process approach to analysis of systems under heavy-tailed noise: Modeling and stochastic linearization
K Kashima, H Aoyama, Y Ohta - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
The Wiener process has provided a lot of practically useful mathematical tools to model
stochastic noise in many applications. However, this framework is not enough for modeling …
stochastic noise in many applications. However, this framework is not enough for modeling …
Stochastic linearisation approach to performance analysis of feedback systems with asymmetric nonlinear actuators and sensors
PT Kabamba, SM Meerkov… - International Journal of …, 2015 - Taylor & Francis
This paper considers feedback systems with asymmetric (ie, non-odd functions) nonlinear
actuators and sensors. While the stability of such systems can be investigated using the …
actuators and sensors. While the stability of such systems can be investigated using the …
Performance degradation due to measurement noise in control systems with disturbance observers and saturating actuators
Augmenting feedback control systems with disturbance observer (DOB) is a widely used
technique in system design to compensate for the effect of exogenous disturbances as well …
technique in system design to compensate for the effect of exogenous disturbances as well …
A Quasilinear Quadratic Tracking Method for Systems With Saturating Actuators
L He, M Li, Y Ni, Y Tong - International Journal of Robust and …, 2024 - Wiley Online Library
Linear quadratic tracker (LQT) is usually employed to solve unconstrained tracking problems
but falls short when dealing with systems exhibiting actuator saturation. This paper presents …
but falls short when dealing with systems exhibiting actuator saturation. This paper presents …
Stochastic linearization of feedback systems with multivariate nonlinearities and systems with state-multiplicative noise
S Brahma, HR Ossareh - IEEE Transactions on Automatic …, 2021 - ieeexplore.ieee.org
Quasilinear control (QLC) theory provides a set of methods intended for the analysis and
design of stochastic feedback systems with static nonlinearities. QLC leverages the method …
design of stochastic feedback systems with static nonlinearities. QLC leverages the method …
Quasilinear control of wind farm power output
Y Guo, PT Kabamba, SM Meerkov… - … on Control Systems …, 2014 - ieeexplore.ieee.org
Quasilinear Control (QLC) is a set of methods for analysis and design of systems with
nonlinear actuators and sensors. The approach of QLC is based on the method of stochastic …
nonlinear actuators and sensors. The approach of QLC is based on the method of stochastic …