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An attitude control system of a spinning spacecraft with internal moving mass is presented in this paper. This system consists of a rigid body and two internal radial moving masses. The mathematical model, including attitude kinematics and nonlinear dynamics equations, is established based on Newtonian...

This control of nonholonomic under actuated systems is an important field in nonlinear control. This thesis uses the example of an acrobat to illustrate the intelligent control of such systems. The acrobat is a two-link manipulator operating in a vertical plane. It consists of one joint each at the shoulder...

The inverted pendulum is a multivariable, rapid, nonlinear unstable system. LQR optimal control is often used in inverted pendulum control for its good stability. According to optimal determination problem of the weighting matrix Q and R in LQR, an improved hybrid genetic algorithm is adopted in LQR...

This paper presents a new teaching platform for the inverted pendulum based on MATLAB-DSP integrated development environment. The teaching platform shows some advantages, including high efficiency, low cost, friendly interface and the function of testing dynamic process and rework parameters on line....

This paper adds genetic algorithm (GA) to Linear Quadratic Regulator (LQR) and presents a new optimal control method-GALQR. The GALQR control method uses GA to optimize the weight matrices of LQR and adopts the divisional removing searching mechanism to insure getting the global optimal results. The...

In this work, the active vibration control of a uniform cantilever beam using piezoelectric materials subjected to transverse vibrations is studied. The equation of motion of a beam bonded with the piezoelectric actuator is realized based on the Euler Bernoulli beam theory and the Hamilton’s principle....

This study addresses unmet logistics demands in semi-structured environments such as residential communities, industrial parks, and hospitals, where conventional systems lack adaptability. These settings feature large footprints, access control barriers, and time-sensitive, low-capacity delivery requirements....

Quadruple Conical Tank System (QCTS) is benchmark a laboratory setup for testing of various linear and nonlinear control algorithms for the multivariate control system. The multiple process conguration for multivariate input-output can be obtained from quadruple conical tank system. This article is concerned...

Dynamic modeling and active vibration control for a typical flexible solar array of spacecraft by using piezoelectric actuators is discussed. It is different from the simplified beam or plate model for the solar array in the literate, a coupled dynamic model of the solar array with piezoelectric actuators...

This research presents the implementation of the Linear Quadratic Gaussian (LQG) Controller and LiDAR sensors on the quadcopter used to avoid obstacles. The LQG controller is a combination of a Linear Quadratic Regulator (LQR) with a Kalman Filter as a State Estimator. The results of the estimate by...

Unmanned Aerial Vehicle (UAV) Quadcopter has many functions and uses as logistics transportation with the advantages of transportability efficiency as a means of air transportation. Barriers to UAVs in carrying out their functions as air transportation are obstacles. UAV requires an automatic control...

This paper examines the design and application of low-speed unmanned aerial vehicles (UAVs) by integrating aerodynamic optimization and advanced computational control systems. Despite their widespread use in surveillance, logistics, environmental monitoring, and disaster response, UAVs face challenges...

The pandemic of COVID-19 along with the lockdown policy have affected all business sectors around the world, which leads to changes in the economic growth of nations. Thus, this study is conducted to analyze the impact of COVID-19 on the financial condition in the Indonesian life insurance industry from...

One of the popular UAV applications in the logistics sector is the use of UAVs as couriers to deliver goods to customers’ homes. In this application, the UAV must be able to follow the given trajectory while avoiding the existing obstacles to get to the customer’s house. To fulfill this, UAVs require...

The inverted pendulum is a classical control problem, which is an absolutely unstable system with the characteristics of higher-order, unstable, multivariable, nonlinear and strong coupling. There can be varieties of methods to be applied to control inverted pendulum system, such as PID control, optimal...

The longitudinal dynamics of hypersonic flight vehicles present an unstable phugoid mode and a new height mode. Hypersonic flight will be subject to attitude and height divergence that would require stabilizing feedback control. A method of design velocity and altitude tracking controller for hypersonic...

Abstract: In this paper, a single-stage rotary inverted pendulum system is set up by using rotary encoder, servo motor and some mechanical structures. Lagrange equation is used to build up the mathematic model of single-stage rotary inverted pendulum. Linear quadratic regulator (LQR) and fuzzy control...