MODELING AND SIMULATION OF AUTOMOBILE ANTI-LOCK BRAKING SYSTEM BASED ON SIMULINK

2012 ◽  
Vol 11 (02) ◽  
pp. 99-106 ◽  
Author(s):  
XIAOKAN WANG ◽  
QIONG WANG
Keyword(s):  
Mathematical Model ◽  
Modeling And Simulation ◽  
Pid Controller ◽  
Control Module ◽  
Braking Performance ◽  
Braking System ◽  
The Mathematical Model

This article establishes the mathematical model of automobile anti-lock braking system (ABS) in the Simulink environment and tracks the research and simulation of the ABS established mathematical model, which is based on the control module with the PID controller. From the simulation curve, we can verify automobile ABS with good braking performance and direction maneuverability.

Modelling and Simulation of NO2 Dispersion Phenomenon in Atmosphere by Analytical-Experimental Methods

2008 ◽  
Vol 59 (10) ◽  
Author(s):  
Delia Perju ◽  
Harieta Pirlea ◽  
Gabriela-Alina Brusturean ◽  
Dana Silaghi-Perju ◽  
Sorin Marinescu
Keyword(s):  
Mathematical Model ◽  
Nitrogen Dioxide ◽  
Modeling And Simulation ◽  
Human Health ◽  
Experimental Methods ◽  
Negative Effects ◽  
Real Situation ◽  
Experimental Values ◽  
The Mathematical Model

The European laws and recently the Romanian ones impose more and more strict norms to the large nitrogen dioxide polluters. They are obligated to continuously improve the installations and products so that they limit and reduce the nitrogen dioxide pollution, because it has negative effects on the human health and environment. In this paper are presented these researches made within a case study for the Timi�oara municipality, regarding the modeling and simulation of the nitrogen dioxide dispersion phenomenon coming from various sources in atmosphere with the help of analytical-experimental methods. The mathematical model resulting from these researches is accurately enough to describe the real situation. This was confirmed by comparing the results obtained based on the model with real experimental values.

Optimization Control of the Bullwhip Effect in Supply Chain Inventory

2014 ◽  
Vol 945-949 ◽  
pp. 3187-3190
Author(s):  
Hai Dong ◽  
Jin Hua Liu ◽  
Liang Yu Liu
Keyword(s):  
Mathematical Model ◽  
Supply Chain ◽  
Control Theory ◽  
Inventory Control ◽  
Pid Controller ◽  
Bullwhip Effect ◽  
Control Gain ◽  
Optimization Control ◽  
Suitable Combination ◽  
The Mathematical Model

The bullwhip effect was caused by fuzzy demand among the enterprises. In order to reduce this effect, control theory was applied to solve the inventory in supply chain. Firstly, inventory control in supply chain and the bullwhip effect was researched. Secondly, a kind of proportional integral differential (PID) controller was developed for inventory control in a three-level supply chain, and the mathematical model of the PID controller for inventory control was presented. Finally, the results show that the PID controller can evidently alleviate the bullwhip effect and inventory fluctuations under the suitable combination of control gain.

scholarly journals Modeling and Simulation of Aviation Engine Ignition Spark Frequency Disorder

2015 ◽  
Vol 9 (1) ◽  
pp. 193-199 ◽  
Author(s):  
Shi Xudong ◽  
Li Hongguang ◽  
Wang Ruowen ◽  
Xu Meng
Keyword(s):  
Mathematical Model ◽  
Fault Diagnosis ◽  
Modeling And Simulation ◽  
Circuit Simulation ◽  
Aircraft Engine ◽  
Safety And Reliability ◽  
Fault Mechanism ◽  
The Mathematical Model ◽  
Ignition Device

Igniter is an important part of aircraft engine, which should be reliable to ensure safety. Spark frequency disorder is common fault to the aviation ignition device, and it is great hidden danger to the aircraft engine. To guarantee the safety and reliability of aviation igniter, the fault mechanism of the aviation ignition spark frequency disorder is researched in this paper. The factors which will result in spark frequency disorder are studied, and the mathematical model of the ignition circuit and circuit simulation are presented, which lays the foundation for the follow-up research on the design of aviation ignition and the fault diagnosis.

Anti-Swing Control of Container Crane Based on CMAC-PID Controller

2012 ◽  
Vol 503-504 ◽  
pp. 1256-1259
Author(s):  
Ya Li Su ◽  
Xi Huai Wang ◽  
Jian Mei Xiao
Keyword(s):  
Mathematical Model ◽  
Pid Control ◽  
Pid Controller ◽  
Container Crane ◽  
Compound Control ◽  
Simulation Results ◽  
Control Principle ◽  
The Mathematical Model

This paper establishes the mathematical model of the system of container crane, and then introduced the CMAC and PID compound control principle and characteristics, and PID control of the position of the container crane , CMAC-PID control of the position of the container crane, and CMAC-PID control of container crane's position and angle. The simulation results show that the crane based on the CMAC and PID compound control has a very good positioning and anti-swing effect.

scholarly journals Vibration Control of Load for Jib Crane by using PID Controller

2020 ◽  
Vol 27 (3) ◽  
pp. 89-96
Author(s):  
Fares Abbas ◽  
Tawfik Al Massoud
Keyword(s):  
Mathematical Model ◽  
Control System ◽  
Vibration Control ◽  
Mechanical Model ◽  
Pid Controller ◽  
Integrated Production ◽  
Production Processes ◽  
Matlab Program ◽  
The Impact ◽  
The Mathematical Model

Jib Crane is a type of machinery used mainly to raise or lower materials or heavy objects and to carrying them to other places. It is used in construction and in the installation of large machines such as wind turbines and harbors, and is an essential component of integrated production processes. Because of the large loads carried by these cranes it became necessary to know their behavior before investment by studying their movements and studying the vibration of payloads and work to reduce them as much as possible and thus prolong the life of the crane components and increase their efficiency. Hence the need to design a control system to dampen load vibration to reduce the impact of dynamics affecting the parts of the crane. In this research, the mathematical model similar to the mechanical model of the crane was prepared and solving the model using MATLAB program, and then design a proportional integral differential controller for jib crane

Modeling and Simulation of a Co-current Rotary Dryer

2016 ◽  
Vol 12 (2) ◽  
pp. 189-194 ◽  
Author(s):  
Zhi-gang Huang ◽  
Yun-xuan Weng ◽  
Nan Fu ◽  
Zong-qiang Fu ◽  
Dong Li ◽  
...  
Keyword(s):  
Experimental Data ◽  
Mathematical Model ◽  
Moisture Content ◽  
Mathematical Models ◽  
Modeling And Simulation ◽  
Air Temperature ◽  
Good Accuracy ◽  
Rotary Dryer ◽  
Simulation Results ◽  
The Mathematical Model

Abstract Mathematical models including mass and energy conservation were developed in order to predict the outlet particles temperature and moisture. As the inlet air temperature increased, the outlet particles temperature increased as well and the outlet particles moisture decreased quickly. The outlet particles temperature and moisture changed a little as a function of the speed of rotation at the low inlet air temperature, while the outlet particles temperature and moisture increased very apparently with the speed of rotation increased at the high inlet air temperature. The error of the simulation results compared to the experimental data showed good accuracy for particles temperature and moisture content. The mathematical model performs well to predict the outlet particles temperature and moisture content.

The Modeling and Simulation of UAV Pneumatic Launch System

2013 ◽  
Vol 299 ◽  
pp. 27-30
Author(s):  
Xiao Long Liu ◽  
Chuang Na Xia ◽  
Sheng Gang Ma
Keyword(s):  
Mathematical Model ◽  
Modeling And Simulation ◽  
Unmanned Aerial Vehicle ◽  
Future Development ◽  
Theoretical Foundation ◽  
Bond Graph ◽  
Inflation Pressure ◽  
Work Process ◽  
Aerial Vehicle ◽  
The Mathematical Model

This paper is based on the Bond Graph method to establish the mathematical model of UAV (Unmanned Aerial Vehicle) pneumatic launch system, simulates its work process through using MATLAB software, analyzes the influence of changing air tank inflation pressure, air tank volume on launch performance, and draws some important conclusions, which can provide a theoretical foundation for the future development and improvement of the system.

Modeling and Simulation of Regenerative Braking Performance of Electric Vehicles Based on Decoupling Strategy

2016 ◽  
Vol 693 ◽  
pp. 1667-1675 ◽  
Author(s):  
Ping Xiao ◽  
Jie Lou ◽  
Li Min Niu ◽  
Hong Gao
Keyword(s):  
Mathematical Model ◽  
Working Conditions ◽  
Electric Vehicles ◽  
Simulation Software ◽  
Regenerative Braking ◽  
Coupling Mechanism ◽  
Decoupling Method ◽  
Braking Performance ◽  
Charging System ◽  
Braking System

In order to enhance energy recovering efficiency of regenerative braking system of electric vehicles (EV), coupling mechanism and decoupling method between braking system and charging system were studied. First, coupling-relation mathematical model between braking system and charging system of EV were built. On this basis, decoupling method was studied and mathematical model of decoupling was built as well. Furthermore, simulation model of EV was built, based on redeveloping the simulation software of ADVISOR. Finally, simulation of regenerative brake of EV was carried out under different working conditions. The results indicated that energy-recovering efficiency of EV based on decoupling strategy was better.

Development of Two-Wheeled Balancing Scooter

2013 ◽  
Vol 339 ◽  
pp. 16-21
Author(s):  
Surachai Panich
Keyword(s):  
Mathematical Model ◽  
Pid Controller ◽  
Inverted Pendulum ◽  
Electronic Circuit ◽  
Nonlinear Behavior ◽  
Vertical Line ◽  
Angle Error ◽  
Zero Degree ◽  
Gyroscope Sensor ◽  
The Mathematical Model

In this paper, the design and construction of two-wheeled balancing scooter based on principle of the inverted pendulum that it must keep an angle of zero degree due to vertical line in time. The mechanical structure, electronic circuit and algorithm are developed to control motors and gyroscope sensor is used as detector of angle error due to vertical line. The mathematical model to describe the dynamic behavior of balancing system is analyzed, which stabilizes the handle angle of scooter in stable position. A basic implementation of the PID controller is conducted to compensate nonlinear behavior.

Verification of Control System by Physical Simulation

2014 ◽  
Vol 472 ◽  
pp. 389-393
Author(s):  
Wei Guo Yuan ◽  
Ya Bin Wang
Keyword(s):  
Mathematical Model ◽  
Control System ◽  
Heat Exchanger ◽  
Physical Simulation ◽  
Control System Design ◽  
Control Module ◽  
Heat Exchanger Design ◽  
Simulation And Control ◽  
And Control ◽  
The Mathematical Model

Control system is generally verified by experiment, some of which are too difficult or high-cost to implement, while physical simulation can be substituted for experiment to verify the effectiveness of control system. The study take the heat exchanger as an example to describe the process of verification by physical simulation: Choose FLOEFD and SIMULINK as the software of physical simulation and control system design, establish the mathematical model of heat exchanger, design control module, whose output is set as an input of FLOEFD, compare the result of physical simulation and SIMULINK, if they are similar, the control module is effective.

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