A comparative study of various Smith predictor configurations for industrial delay processes

VL Korupu, M Muthukumarasamy - Chemical Product and Process …, 2022 - degruyter.com
Efficient control of industrial delay processes is a challenging problem in the field of process
control. Time delays are generally experienced in industrial processes from distance velocity …

[图书][B] Time-delay systems: analysis and control using the Lambert W function

S Yi, PW Nelson, AG Ulsoy - 2010 - books.google.com
1. Introduction. 1.1. Motivation. 1.2. Background. 1.3. Scope of this document. 1.4. Original
contributions--2. Solutions of systems of DDEs via the matrix Lambert W function. 2.1 …

Real-time thickness compensation in mirror milling based on modified Smith predictor and disturbance observer

S Zhang, Q Bi, Y Ji, Y Wang - International Journal of Machine Tools and …, 2019 - Elsevier
Thickness of large thin-walled parts is difficult to keep constant since the time-varying
disturbances during machining, such as the deformation of the workpiece and the machine …

Design, analysis and application of a new disturbance rejection PID for uncertain systems

ZY Nie, C Zhu, QG Wang, Z Gao, H Shao, JL Luo - ISA transactions, 2020 - Elsevier
In this paper, a new disturbance rejection proportional–integral–derivative (DR-PID) scheme
is proposed for a class of minimum phase plants with low relative order. The essential active …

Improved delay-dependent robust stability criteria for uncertain systems with interval time-varying delay

C Peng, YC Tian - IET Control Theory & Applications, 2008 - IET
An innovative method for robust stability analysis of dynamic systems with interval time-
varying delay and uncertainties of structural and polytopic types is proposed. The innovation …

Disturbance rejection of dead-time processes using disturbance observer and model predictive control

J Yang, S Li, X Chen, Q Li - Chemical engineering research and design, 2011 - Elsevier
This article mainly focuses on disturbance rejection of dead-time processes by integrating a
modified disturbance observer (MDOB) with a model predictive controller (MPC). The effect …

[PDF][PDF] Smith predictor with sliding mode control for processes with large dead times

U Mehta, I Kaya - Journal of Electrical Engineering, 2017 - sciendo.com
The paper discusses the Smith Predictor scheme with Sliding Mode Controller (SP-SMC) for
processes with large dead times. This technique gives improved load-disturbance rejection …

Tracking control of uncertain time delay systems: An ADRC approach

LA Castañeda, A Luviano-Juárez… - Control Engineering …, 2018 - Elsevier
This article deals with the control of a class of robotic systems with constant input time delay
through the Active Disturbance Rejection paradigm, by means of Generalized Proportional …

Stabilization of unstable first‐order time‐delay systems using fractional‐order pd controllers

YC Cheng, C Hwang - Journal of the Chinese Institute of Engineers, 2006 - Taylor & Francis
This paper considers the problem of stabilizing unstable first‐order time‐delay (FOTD)
processes using fractional‐order proportional derivative (PD) controllers. It investigates how …

An automatic tuning methodology for a unified dead-time compensator

JE Normey-Rico, R Sartori, M Veronesi… - Control Engineering …, 2014 - Elsevier
In this paper, an automatic tuning methodology for a modified Smith predictor control
scheme is proposed. The main feature of the procedure is that it is applied in closed-loop (by …