Two-Cylinder Synchronization Control and Simulation of ROV Launch and Recovery System “A Shape” Frame

2012 ◽  
Vol 271-272 ◽  
pp. 1705-1708 ◽  
Author(s):  
Wei Zhang ◽  
Bin Sun ◽  
Bin Li ◽  
Shi Tang
Keyword(s):  
Control System ◽  
Pid Controller ◽  
Synchronization Control ◽  
Remotely Operated Vehicle ◽  
Proportional Valve ◽  
System A ◽  
Control Scheme ◽  
Recovery System ◽  
Valve Model

This paper focuses on “A shape” frame’s two-cylinder synchronization control of Remotely Operated Vehicle (ROV) launch and recovery system. First, two-cylinder synchronization control scheme with counterbalance valve and proportional valve is proposed. Second, counterbalance valve model is established, and its supercomponent is generated. Finally, simulation of synchronization control system is performed. After adjusting PID controller parameters, displacements error of two cylinders is controlled in the allowed range.

Research on Tyred Machinery Chassis Dynamometer

2013 ◽  
Vol 631-632 ◽  
pp. 1106-1110
Author(s):  
Wei Zhao ◽  
Qiang Wang ◽  
Sheng Li Song
Keyword(s):  
Control System ◽  
System Performance ◽  
Pid Controller ◽  
Fuzzy Pid ◽  
Chassis Dynamometer ◽  
Technical Parameters ◽  
The Road ◽  
Fuzzy Pid Controller ◽  
System A ◽  
Line Measure

In the tyred machinery chassis dynamometer control system, a fuzzy PID controller was used to adjust the exciting current of a DC dynamometer in order to change the resistance load torque, so the requirement of roller load for simulating the run resistance from the road surface was satisfied. A fuzzy PID arithmetic was designed to control the resistance loads, the system performance was improved by simulation. The software of the detection line measure-control system was designed in VB, the technical parameters of the machinery chassis could the automatically detected.

Simulation Research on the Basic Platform's Automatic Leveling System Based on SimHydraulics

2013 ◽  
Vol 345 ◽  
pp. 99-103 ◽  
Author(s):  
Yong Qing Chen ◽  
Xin He Xu ◽  
Hua Ling Zhu ◽  
Shi De Ye ◽  
Liang Tao Li
Keyword(s):  
Control System ◽  
Steady State ◽  
System Design ◽  
Simulation Study ◽  
Pid Controller ◽  
System Simulation ◽  
Proportional Valve ◽  
Simulation Research ◽  
Adjustment Time ◽  
Simulation Results

Based on the MATLAB/SimHydraulics toolbox, an automatic leveling system controlled by electro-hydraulic proportional valve was simulated and researched. With the help of Hydraulic components models in the SimHydraulics toolbox, the SimHydraulics Physical Network simulation and the Simulink control system simulation was integrated used, and the Simulink modules powerful numerical processing capability helped to improve the efficiency and accuracy of the system design. The simulation results showed that:The use of SimHydraulics toolbox on the simulation study of automatic leveling system controlled by electro-hydraulic proportional valve is feasible; The adjustment time of the automatic leveling system is short and the steady-state accuracy is high based on the PID controller.

Application of Gain Scheduled PID Control in the Lithography Positioning System

2012 ◽  
Vol 220-223 ◽  
pp. 1752-1756
Author(s):  
Gui Rong Dong
Keyword(s):  
Control System ◽  
Pid Control ◽  
Pid Controller ◽  
Structural Vibration ◽  
Positioning System ◽  
Mean Square ◽  
Positioning Control ◽  
System A ◽  
Gain Scheduled ◽  
Small Disturbances

According to the perturbation in lithography positioning control system, a novel gain scheduled PID controller using a root mean square (RMS) signal is proposed. Perturbation is also referred as the stage hunting, and the positioning control system will be very weak against small disturbances such as electrical noise or even structural vibration of the building in which the stage is installed. The gain scheduled PID controller is used to minimize the stage hunting and simultaneously maximize the immunity to disturbances. Simulations results verify the effectiveness of the gain scheduled PID controller for the positioning control in the lithography stage, as compared with the traditional PID controller.

Analysis for SCR Control System Based on ANN

2012 ◽  
Vol 591-593 ◽  
pp. 1428-1431
Author(s):  
Guan Qiang Ruan ◽  
Zheng Dong Zhang ◽  
Qiang Wang
Keyword(s):  
Neural Network ◽  
Artificial Neural Network ◽  
Control System ◽  
Pid Controller ◽  
Design Principle ◽  
Robust Performance ◽  
Control Scheme ◽  
Rapid Adjustment ◽  
Artificial Neural Network Ann ◽  
The Many

Design principle of SCR control system for modern diesel engine is based on MAP which is obtained from experiments. The data of urea injection is obtained from MAP, the many experiments with different revolutions and loads are necessary. MAP from experiments is not accurate, cannot be used for all the range exactly in case of engine running conditions. Therefore, it is very difficult to design PID controller based on MAP. Moreover, the robust performance can not be achieved. To overcome these problems, the control scheme based on artificial neural network (ANN) is proposed. This controller has good robust performance and rapid adjustment. From experiments, the system using this controller can achieve good performance.

scholarly journals HOLD HEADING POSITION SYSTEM OF UNDERWATER REMOTELY OPERATED VEHICLE BASED ON PID

2021 ◽  
Vol 2 (2) ◽  
pp. 1-6
Author(s):  
Parama Diptya Widayaka ◽  
Akbar Sujiwa
Keyword(s):  
Control System ◽  
Pid Controller ◽  
Search And Rescue ◽  
Feedback Controller ◽  
Central Processing Unit ◽  
Position System ◽  
Processing Unit ◽  
Remotely Operated Vehicle ◽  
Central Processing ◽  
Underwater Exploration

Underwater remotely operated vehicle mainly used to help human for underwater activities such as underwater exploration, underwater maintenance, and underwater search and rescue. Underwater remotely operated vehicle also used for education, entertainment, and competitions. In some case especially for an important or highly risk tasks, the ROV applied some functions to improve and optimize the use of the ROV for some missions. This paper presents a heading hold system which is applied in the ROV to maintain heading position or pose of the robot. Using a GY-271 compass sensor to read the data of ROV heading position, microcontroller Arduino mega 2560 as a central processing unit and PID controller as a feedback controller to maintain ROV on desired position by controlling thruster speed and direction. The experiments give a result of the control system using PID by 5% error for the ROV to maintain heading position in steady position.

EXPERIENCE OF THE DEVELOPMENT OF THE CONTROL SYSTEM OF MECHANISMS WITH PARALLEL STRUCTURE OF THE TYPE "HEXAPOD" FOR POSITIONING AND INTRODUCTION OF LARGE-SIZED OBJECTS OF INFORMATION SPACE PLATFORM

2018 ◽  
pp. 111-123 ◽  
Author(s):  
A. V. Gorbunov ◽  
E. B. Korotkov ◽  
A. V. Lekanov ◽  
S. A. Matveev ◽  
N. S. Slobodzyan ◽  
...  
Keyword(s):  
Neural Network ◽  
Control System ◽  
Control Unit ◽  
Network Control ◽  
Parallel Structure ◽  
Nonlinear Controller ◽  
System A ◽  
Control Scheme ◽  
Adaptive Neural Network Control

The problems of designing a hexapod control system - a mechanism with parallel kinematics, designed for guidance and positioning of instruments and antennas of orbiting satellite platforms are considered. Based on the solution of the extended kinematics problem, the algorithm for controlling linear drives with a kinematic pair of screw-nut and two two-axis hinges is specified. The hexapod control scheme with the spatial load position sensor is given, the feasibility of positional control algorithms is estimated on the basis of the modern domestic element base. The estimation is made by the method of mathematical modeling. An algorithm for adaptive neural network control of a hexapod is proposed. An artificial neural network has been developed, which together with a nonlinear controller regulates the force acting on linear actuators by control error. To assess the quality of hexapod control, a dynamic model of the hexapod control system was created in the simulation package SimMechanics of the MATLAB Simulink system. A description is given of the hardware part of the digital control system-the hexapod control unit).

Study of Vice-Steering Control System for Training Car

2011 ◽  
Vol 142 ◽  
pp. 79-82
Author(s):  
Wei Chun Zhang ◽  
Bing Bing Ma ◽  
Xian Bin Du ◽  
Bao Hao Pei ◽  
Jie Chen
Keyword(s):  
Mathematical Model ◽  
Fuzzy Logic ◽  
Control System ◽  
Dynamic Characteristics ◽  
Pid Controller ◽  
Fuzzy Controller ◽  
Fuzzy Pid ◽  
Steering Control ◽  
Fuzzy Pid Controller ◽  
System A

Based on analyzing the structure and dynamic characteristics of this system, a dynamical mathematical model is established. To overcome the problems when using fuzzy controller or PID controller respectively and increase precision, a P-fuzzy-PID mode controller and a fuzzy PID controller is designed to control the system. The module of simulink which is a part of MATLAB is used to construct a monolithic mould. The fuzzy logic toolbox is used to construct a fuzzy mould. The results of simulation show that the performance of control becomes better by using this design.

The Application of Fuzzy Smith-PID Controller in Coupled-Tank Liquid-Level Control System

2012 ◽  
Vol 241-244 ◽  
pp. 1076-1080 ◽  
Author(s):  
Liang Li ◽  
Zhang Yong ◽  
Li Ai-Lian
Keyword(s):  
Control System ◽  
Pid Control ◽  
Pid Controller ◽  
Liquid Level ◽  
Level Control ◽  
Control Approach ◽  
Level Control System ◽  
System A ◽  
Liquid Level Control

To resolve the problem of lumping lag and nonlinear of the coupled-tank liquid-level control system , a fuzzy Smith- PID control approach is researched. In this approach, the characteristic of the control system is analyzed，the fuzzy Smith- PID controller is designed. In kingview, the monitoring interface is designed, and the Liquid-level control system is practiced.The result shows that this method is rationality and feasibility.

Research on the Furnace Fume Treatment and Control System

2012 ◽  
Vol 518-523 ◽  
pp. 2775-2779
Author(s):  
Xiao Ping Yang ◽  
Yan Ru Chen
Keyword(s):  
Control System ◽  
Control Program ◽  
Silicon Powder ◽  
High Energy ◽  
Modern World ◽  
Dust Extraction ◽  
Control Scheme ◽  
Recovery System ◽  
On Line ◽  
And Control

Silicon metal is known as a metalloid or semi-metal with several characteristics of metals. Silicon metal also has a large influence on the modern world economy. But the production of the silicon metal consumes high energy and discharges huge furnace fume. According to the technical demands of the fume cleaning and micro-silicon powder recovery system to the silicon metal furnace, this paper studies the control scheme with the structure mode of Schneider PLC and the Kingview software, develops the relevant control program and monitor program, and optimizes the control strategy through the on-line debugging. The practical application indicates that the control system is stable and reliable with the best effect of dust extraction and the longest service life to the dust settling bag.

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