HDR prostate brachytherapy plan robustness and its effect on in‐vivo source tracking error thresholds: A multi‐institutional study
Sign Up to like & getrecommendations! Published in 2022 at "Medical Physics"
DOI: 10.1002/mp.15658
Abstract: Abstract Purpose The purpose of this study was to examine the effect of departmental planning techniques on appropriate in‐vivo source tracking error thresholds for high dose rate (HDR) prostate brachytherapy (BT) treatments, and to determine… read more here.
Keywords: source; tracking error; vivo source; source tracking ... See more keywords
Barrier Lyapunov functions-based dynamic surface control with tracking error constraints for ammunition manipulator electro-hydraulic system
Sign Up to like & getrecommendations! Published in 2020 at "Defence Technology"
DOI: 10.1016/j.dt.2020.04.010
Abstract: Abstract This paper focuses on the dynamic tracking control of ammunition manipulator system. A standard state space model for the ammunition manipulator electro-hydraulic system (AMEHS) with inherent nonlinearities and uncertainties considered was established. To simultaneously… read more here.
Keywords: tracking error; ammunition manipulator; control; system ... See more keywords
Geometric Tracking Control of a Quadrotor on SE(3) using left tracking error function
Sign Up to like & getrecommendations! Published in 2020 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2020.06.051
Abstract: Abstract This paper presents geometric tracking control law for a quadrotor UAV on SE(3) using left tracking error function as compared to right tracking error function reported in the literature. The use of left tracking… read more here.
Keywords: tracking error; error function; control; left tracking ... See more keywords
Dynamic feedrate optimization for parametric toolpath with data-based tracking error prediction
Sign Up to like & getrecommendations! Published in 2019 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2018.10.028
Abstract: Abstract As parametric toolpath has advantages in improving machining efficiency and machining precision simultaneously, it has become increasingly widespread in Computer Numerical Control (CNC) systems and the planning performance for smooth toolpath become crucial in… read more here.
Keywords: toolpath; tracking error; method; machining efficiency ... See more keywords
Optimizing tracking error-constrained portfolios
Sign Up to like & getrecommendations! Published in 2018 at "Applied Economics"
DOI: 10.1080/00036846.2018.1488069
Abstract: ABSTRACT Active portfolios subject to tracking error (TE) constraints are the typical setup for active managers tasked with outperforming a benchmark. The risk and return relationship of such constrained portfolios is described by an ellipse… read more here.
Keywords: risk; portfolio; constrained portfolios; tracking error ... See more keywords
Feedback passivation plus tracking-error-based multivariable control for a class of free-radical polymerisation reactors
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Control"
DOI: 10.1080/00207179.2017.1423393
Abstract: ABSTRACT This paper proposes a tracking-error-based multivariable control to stabilise a nonlinear system at the desired trajectory (including the open-loop unstable equilibrium manifold). The control approach is developed on the basis of feedback passivation and… read more here.
Keywords: control; tracking error; error based; multivariable control ... See more keywords
A Model Predictive Controller With Switched Tracking Error for Autonomous Vehicle Path Tracking
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2912094
Abstract: Autonomous vehicle path tracking accuracy and vehicle stability can hardly be accomplished by one fixed control frame in various conditions due to the changing vehicle dynamics. This paper presents a model predictive control (MPC) path-tracking… read more here.
Keywords: vehicle; switched tracking; tracking error; controller switched ... See more keywords
Adaptive NN Backstepping With Considering Integral of Tracking Error
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DOI: 10.1109/access.2020.3004401
Abstract: In order to simplify the design procedure of traditional neural network backstepping and improve the robustness and precision of control, an improved scheme is studied for a class of nonlinear systems. To avoid reconstructing virtual… read more here.
Keywords: adaptive backstepping; control; tracking error; backstepping considering ... See more keywords
Approximation-Free Tracking Error Constraint Control for Lagrangian Systems
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2016.2613990
Abstract: This paper proposes an approximation-free adaptive tracking error constraint control scheme for unknown Lagrangian systems. A transformed filtered tracking error surface has been constructed to guarantee the transient and steady-state performance of the position control… read more here.
Keywords: tracking error; control; lagrangian systems; constraint control ... See more keywords
Novel Dynamic Microactuation Method for Tracking-Error Reduction of Permanent Magnet Linear Synchronous Motors
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3115632
Abstract: A permanent magnet linear synchronous motor (PMLSM) is susceptible to system uncertainties and external disturbances, resulting in a tracking error that is difficult to eliminate. To effectively reduce the tracking error of a PMLSM, this… read more here.
Keywords: system; error; microactuation; method ... See more keywords
Sparse Index Tracking With K-Sparsity or ε-Deviation Constraint via ℓ₀-Norm Minimization.
Sign Up to like & getrecommendations! Published in 2022 at "IEEE transactions on neural networks and learning systems"
DOI: 10.1109/tnnls.2022.3171819
Abstract: Sparse index tracking, as one of the passive investment strategies, is to track a benchmark financial index via constructing a portfolio with a few assets in a market index. It can be considered as parameter… read more here.
Keywords: index; selected assets; index tracking; number ... See more keywords