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Overloading in DC servo motors is a major concern in industries, as many companies face the problem of finding expert operators, and also human monitoring may not be an effective solution. Therefore, this paper proposed an embedded…

Machine Learning · Computer Science 2023-04-11 Seyed Mohammad Hossein Abedy Nejad , Mohammad Amin Behzadi , Abdolrahim Taheri

Control contraction metrics (CCMs) are a new approach to nonlinear control design based on contraction theory. The resulting design problems are expressed as pointwise linear matrix inequalities and are and well-suited to solution via…

Optimization and Control · Mathematics 2014-06-06 Ian R. Manchester , Jean-Jacques E. Slotine

In this work, we introduce a control variate approximation technique for low error approximate Deep Neural Network (DNN) accelerators. The control variate technique is used in Monte Carlo methods to achieve variance reduction. Our approach…

Machine Learning · Computer Science 2022-03-16 Georgios Zervakis , Ourania Spantidi , Iraklis Anagnostopoulos , Hussam Amrouch , Jörg Henkel

The design of the path-following controller is crucial for reliable autonomous vehicle operation. This design problem is especially challenging for a general 2-trailer with a car-like tractor due to the vehicle's unstable joint-angle…

Optimization and Control · Mathematics 2020-05-07 Oskar Ljungqvist , Daniel Axehill , Henrik Pettersson , Johan Löfberg

In this paper, construction of a neural-network based, closed-loop control of a discontinuous capsule drive is analyzed. The foundation of the designed controller is an optimized open-loop control function. A neural network is used to…

Many industrial processes require suitable controllers to meet their performance requirements. More often, a sophisticated digital twin is available, which is a highly complex model that is a virtual representation of a given physical…

Systems and Control · Electrical Eng. & Systems 2023-11-21 Braghadeesh Lakshminarayanan , Federico Dettù , Cristian R. Rojas , Simone Formentin

Model order reduction is the approximation of dynamical systems into equivalent systems with smaller order. Model reduction has been studied extensively for different types of systems. In this paper, we present two methods for multi input…

Systems and Control · Electrical Eng. & Systems 2019-07-04 Karim Cherifi , Kamel Hariche

According to the well-known loop shaping method for the design of controllers, the performance of the controllers in terms of step response, steady-state disturbance rejection and noise attenuation and robustness can be improved by…

Systems and Control · Electrical Eng. & Systems 2023-01-02 Nima Karbasizadeh , S. Hassan HosseinNia

To reduce the contour error of the end-effector of a robotic manipulator during trajectory tracking, a dual-mode synchronization predictive control is proposed. Firstly, the dynamic model of n-DoF robotic manipulator is discretized by using…

Robotics · Computer Science 2021-10-28 Zhu Dachang , Cui Aodong , Du Baolin , Zhu Puchen

In order to meet the requirements for autonomous systems in real world applications, reliable path following controllers have to be designed to execute planned paths despite the existence of disturbances and model errors. In this paper we…

Optimization and Control · Mathematics 2016-05-17 Oskar Ljungqvist , Daniel Axehill , Anders Helmersson

H2-conic controller design seeks to minimize the closed-loop H2-norm for a nominal linear system while satisfying the Conic Sector Theorem for nonlinear stability. This problem has only been posed with limited design freedom, as opposed to…

Optimization and Control · Mathematics 2021-10-11 Ethan J. LoCicero , Leila Bridgeman

Small-signal models of DC-DC converters are often based on a state-space averaging approach, from which both control-oriented and other frequency-domain characteristics, such as input or output impedance, can be derived. Updating these…

Systems and Control · Electrical Eng. & Systems 2019-08-14 Gernot Herbst

We propose a new matrix pencil based approach for design of state-feedback and output-feedback stabilizing controllers for a general class of uncertain nonlinear strict-feedback-like systems. While the dynamic controller structure is based…

Optimization and Control · Mathematics 2022-06-08 Prashanth Krishnamurthy , Farshad Khorrami

Data-driven control benefits from rich datasets, but constructing such datasets becomes challenging when gathering data is limited. We consider an offline experiment design approach to gathering data where we design a control input to…

Systems and Control · Electrical Eng. & Systems 2024-05-22 Sean Anderson , João Pedro Hespanha

A controller design technique for shaping the frequency response of a process is described. A general linear model (GLM) is used to define the form of a lag or lead compensator in discrete time using a prescribed set of basis functions. The…

Systems and Control · Computer Science 2015-07-21 Hugh L. Kennedy

A permanently increasing number of on-board automotive control systems requires new approaches to their digital mapping that improves functionality in terms of adaptability and robustness as well as enables their easier on-line software…

Systems and Control · Electrical Eng. & Systems 2022-07-20 Moritz Zink , Martin Schiele , Valentin Ivanov

A new adaptive predictive controller for constrained linear systems is presented. The main feature of the proposed controller is the partition of the input in two components. The first part is used to persistently excite the system, in…

Systems and Control · Computer Science 2018-04-23 Bernardo A. Hernandez , Paul A. Trodden

This paper presents a data-driven approach to the design of predictive controllers. The prediction matrices utilized in standard model predictive control (MPC) algorithms are typically constructed using knowledge of a system model such as,…

Systems and Control · Electrical Eng. & Systems 2021-04-13 P. C. N. Verheijen , G. R. Gonçalves da Silva , M. Lazar

In this paper, we present a method to control a quadrotor with a neural network trained using reinforcement learning techniques. With reinforcement learning, a common network can be trained to directly map state to actuator command making…

Robotics · Computer Science 2017-07-18 Jemin Hwangbo , Inkyu Sa , Roland Siegwart , Marco Hutter

In this paper, we solve the problem of finding a certified control policy that drives a robot from any given initial state and under any bounded disturbance to the desired reference trajectory, with guarantees on the convergence or bounds…

Robotics · Computer Science 2020-11-26 Dawei Sun , Susmit Jha , Chuchu Fan