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This paper aims to highlight the possibility of interactively determining the performance of dynamic systems using virtual instrumentation which include Matlab scripts, so as through this combination it can obtain the of virtual tools that work as simulators for certain systems or processes.
Wireless Sensor Network as an important technology of Internet of things' development, is more and more widely used in various research fields. This paper mainly researches the part of localization application based on wireless sensor network, focuses on DV-Hop localization algorithm, and gives its algorithm simulation and analysis of the simulation results. Also this paper improves the algorithm...
This paper presents a modified s-to-z transformation of VVGS and VVG- Al-SKG rule, that is expanded for fractional powers based on the principle of continued fraction expansion (CFE). The magnitude response is observed to be improved at low frequencies as compared to the VVGS and VVG-AL-SKG operator. The paper also introduces a generalized design of a half differentiator based on the Al-Alaoui principle,...
This paper deals with the theory of modeling of the motion of manipulators, using Denavit-Hartenberg parameters. These parameters are currently used as the basis for modeling methods of motion manipulators. Modeling methods described in this paper can be directly used in the simulations to eliminating conflict states of manipulator.
The penetration of renewable energy technologies into energy markets is on the increase due to significant drops in their capital cost, increase in their efficiency and improvement in storage system and power electronic interface. Most universities around the globe offer, nowadays, renewable energy courses within the electrical and mechanical engineering curricula to support the increasing demand...
This paper presents a nonlinear control of dc-bus voltage, active and reactive powers for wind power grid connected Voltage Source Inverter (VSI). The controller exploits the backstepping scheme to calculate the required inverter's control to eliminate the instantaneous errors of dc-link voltage, active and reactive powers. The nonlinear control can increase the system effectiveness and realize voltage...
Fuzzy control was used to control a vertical rotary invert-pendulum with single fulcrum due to its complex characteristics in this paper. Movable equation of the inverted pendulum was derived, according to the dynamics analysis method of Lagrange. By system feasible approximation, an easily analytical math model was deduced. At the same time, the fuzzy logical tool package of MATLAB was used to build...
Introduction of a three-axis variable elliptical trajectory equal-thickness screen, according to Lagrange principle to establish the dynamic equations and make kinematics simulation using MATLAB software. Get the motion trajectories, vibrating direction angle, amplitude and throwing index of different points on screen surface. Through the analysis of these several parameters can be drawn that, vibrating...
The paper deals with a time-domain simulation of multiconductor transmission lines (MTLs) based on the connection of the implicit Wendroff method and modified nodal analysis (MNA). The work improves the Wendroff-based techniques, with MTL's boundary conditions treated via generalized Thévenin equivalents, and thus enabling to consider simple terminating circuits only. The utilization of the MNA approach...
To improve the shift quality of the automatic transmission (AT). The oil pressure changing rule need be researched deeply, which was done in this paper by modeling and simulating using ITI-SimulationX software. This paper completed the optimized design of clutch by using the fuzzy theory and main objective method with optimization toolbox of MATLAB. The wet multi-plate clutch is commonly used. According...
In this paper, dual-edge phase-alignment and its effects on ring oscillators are presented. This method provides resetting the built-up jitter at both rising and falling edges of the reference. Using signal and system theory, the effect of the method on the spurs is completely analyzed. Adding the dual-edge aligning feature to phase-aligned ring oscillators, analytically resulting in the reference...
This paper addresses the consideration of navigation systems onboard the guided munitions based on tactical and technical specifications, such as choice of MEMS inertial sensors, navigation resolved algorithms. Based on the chosen sensors and environment scenarios, the simulation block diagram was performed under the MATLAB, simulation results, future key technologies and critical problems should...
This paper focused on modeling and performance analysis of linear inverted pendulum and design and simulation of LQR controller. Main to introduce how to built the mathematic model and the analysis of it's system performance, then design a LQR controller in order to get the much better control. Simulation is done to show the efficiency and feasibility of proposed approach.
The speed control system of diesel engine is one typical nonlinear system. In order to control speed of the engine, in the paper, the nonlinear model of the 2135 engine governor is established. And the discrete sliding mode variable structure controller is designed. In-ring simulation of MATLAB has proved that when controlling a nonlinear system, the sliding mode variable structure control (VSC) has...
Fuzzy-PID control is used in the Variable rate fertilization controlling system and the rule of the fuzzy control is determined. Based on the dynamic model of the Variable rate fertilization controlling system, MATLAB/Simulink is applied to simulate the torque and the rotation speed of the engine. The experimental results indicate that the proposed method is of simple arithmetic and real-time characteristics...
For a friction hoist, the skip vibration deserve thorough study to solve kinds of relevant problems, which include when to monitor and what frequency band to scan the hoist actual load. Based on the Power Balance principle, Ritz series method has the particular advantage that provides standard discrete differential equations for the vibration of continuous elastic pole. In this study, a dynamic model...
The dynamic properties of valve-controlled hydraulic cylinder system are analyzed. The transfer function on load flow and pressure is established. We also establish the simulation model of piston velocity based on PID, using MATLAB. The accuracy of the velocity is proved by simulation results. This research can realize high accuracy of the velocity control by PID controller. It has a certain practical...
In this paper we present a toolbox enabling easy evaluation and comparison of different filtering algorithms. The toolbox is called Kalmtool 4 and is a set of MATLAB tools for state estimation of nonlinear systems. The toolbox contains functions for extended Kalman filtering as well as for DD1 filter and the DD2 filter. It also contains functions for Unscented Kalman filters as well as several versions...
Set up the mathematical model after the dimension was achieved, and then kinematics simulation analysis could be easily doing by using MATLAB\SIMULINK simulation platform. Parameters could be easily modified and the analytical solution could be got accurately, design time could be saved and the quality of the product could be improved. The results were saved in the workspace of MATLAB software, and...
We present a case study of formal verification of full-wave rectifier for analog and mixed signal designs. We have used the Checkmate tool from CMU [1], which is a public domain formal verification tool for hybrid systems. Due to the restriction imposed by Checkmate it necessitates to make the changes in the Checkmate implementation to implement the complex and non-linear system. Full-wave rectifier...
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