Stable control strategy for planar three-link underactuated mechanical system

X Lai, Y Wang, M Wu, W Cao - IEEE/ASME Transactions on …, 2016 - ieeexplore.ieee.org
A stable-control strategy for a planar three-link passive-active-active underactuated
mechanical system not subject to gravity constraints has been devised. The control objective …

Position-posture control of a planar four-link underactuated manipulator based on genetic algorithm

X Lai, P Zhang, Y Wang, M Wu - IEEE Transactions on Industrial …, 2017 - ieeexplore.ieee.org
This paper presents a position-posture control strategy based on genetic algorithm (GA) for
a planar four-link passive-active-active-active (PAAA) underactuated manipulator. The …

A general control strategy for planar 3-DoF underactuated manipulators with one passive joint

Z Huang, X Lai, P Zhang, Q Meng, M Wu - Information sciences, 2020 - Elsevier
This paper presents a general control strategy based on the trajectory planning and tracking
control for the planar 3-DoF underactuated manipulators with one passive joint at different …

Thrust-vector control of a three-axis stabilized upper-stage rocket with fuel slosh dynamics

JR Hervas, M Reyhanoglu - Acta Astronautica, 2014 - Elsevier
This paper studies the thrust vector control problem for an upper-stage rocket with fuel slosh
dynamics. The dynamics of a three-axis stabilized spacecraft with a single partially-filled fuel …

PSO-based nonlinear model predictive planning and discrete-time sliding tracking control for uncertain planar underactuated manipulators

P Zhang, X Lai, Y Wang, CY Su… - International Journal of …, 2022 - Taylor & Francis
Control of planar underactuated manipulators (PUM) with unknown parameter perturbations
and external disturbances is still a challenging task due to their complex and peculiar …

Continuous state feedback control based on intelligent optimization for first-order nonholonomic systems

X Lai, P Zhang, Y Wang, L Chen… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper develops a quick and effective continuous state feedback control strategy based
on intelligent optimization for a planar three-link passive–active–active (PAA) underactuated …

A stable control for second-order nonholonomic planar underactuated mechanical system: energy attenuation approach

P Xiong, X Lai, M Wu - International Journal of Control, 2018 - Taylor & Francis
ABSTRACT A stable control strategy is proposed via energy attenuation to realise the
position control for a second-order nonholonomic planar four-link active-passive-active …

Differentially flat designs of underactuated open-chain planar robots

SK Agrawal, V Sangwan - IEEE Transactions on Robotics, 2008 - ieeexplore.ieee.org
A fully actuated system can execute any joint trajectory. However, if the system is
underactuated, not all joint trajectories are attainable. For such systems, it is difficult to …

Position control for planar four-link underactuated manipulator with a passive third joint

D Liu, X Lai, Y Wang, X Wan, M Wu - ISA transactions, 2019 - Elsevier
This paper presents a position control strategy based on the differential evolution (DE)
algorithm for a planar four-link underactuated manipulator (PFUM) with a passive third joint …

A quick position control strategy based on optimization algorithm for a class of first-order nonholonomic system

P Zhang, X Lai, Y Wang, CY Su, M Wu - Information Sciences, 2018 - Elsevier
In this paper, we develop a quick and effective position control strategy based on the
differential evolution (DE) algorithm for a planar three-link passive-active-active (PAA) …