Optimizing Ping-pong Player Robot Arm Path based on PSO Algorithm with New Initializing Method

Author(s):  
Khoshravan H. ◽  
Naebi A.
Keyword(s):  
Author(s):  
Serkan Dereli ◽  
Raşit Köker

AbstractThis study has been inspired by golf ball movements during the game to improve particle swarm optimization. Because, all movements from the first to the last move of the golf ball are the moves made by the player to win the game. Winning this game is also a result of successful implementation of the desired moves. Therefore, the movements of the golf ball are also an optimization, and this has a meaning in the scientific world. In this sense, the movements of the particles in the PSO algorithm have been associated with the movements of the golf ball in the game. Thus, the velocities of the particles have converted to parabolically descending structure as they approach the target. Based on this feature, this meta-heuristic technique is called RDV (random descending velocity) IW PSO. In this way, the result obtained is improved thousands of times with very small movements. For the application of the proposed new technique, the inverse kinematics calculation of the 7-joint robot arm has been performed and the obtained results have been compared with the traditional PSO, some IW techniques, artificial bee colony, firefly algorithm and quantum PSO.


2011 ◽  
Vol 80-81 ◽  
pp. 1081-1085 ◽  
Author(s):  
Qi Zhang ◽  
Zong Wu Xie ◽  
Yi Wei Liu ◽  
Zhi Qi Li ◽  
Hong Liu

In this paper, a high dynamic humanoid manipulator with DSP/FPGA-FPGAs hardware structure is designed to meet the demand of high-speed response required by playing ping-pong game. The manipulator integrates several sensors in each joint unit, and the controller is divided into two levels. The upper level mainly solves the kinematics and trajectory planning in DSP, while the lower level realizes the joint control such as vector control and sensors data processing in FPGA. The two levels communicate with each other by multipoint low-voltage differential signaling (M-LVDS) serial data bus every 200μs. Experiments of the manipulator hitting the ping-pang are done to demonstrate the design of this arm. The results show that the arm can reach the speed of 2.2m/s, and it creates a record of 22 continuous hits of the ball with a human rival.


2012 ◽  
Vol 488-489 ◽  
pp. 1772-1776 ◽  
Author(s):  
Mahdi Esmaeilzadeh Abardeh ◽  
Alireza Akbarzadeh

Online coordination of multiple robots working on a single workstation requires special attention. In these applications it is generally necessary that the robot arm follow a desired path in workspace so that it does not crash with any obstacle or the other robots. In this paper a two link planar robot crossing a rectangular obstacle is considered. The proposed idea is to define the relationship between obstacle's dimensions and the required joints trajectories parameters which allow the robot to reach its destination in the presence of an obstacle. First, the desired path for robot avoiding the obstacle is defined using a fourth degree polynomial. Corresponding robot joints trajectories are defined using a sinusoidal function with four parameters. Next, Design of Experiments (DOE) technique is utilized. Three levels for width and length of the obstacle are used as input and a full factorial DOE with nine experiments is defined. Instead of using the inverse kinematics, Particle Swarm Optimization (PSO) algorithm is used to obtain parameters of the robot joint sinusoidal functions. A second degree regression is used to obtain the relationship between each of the four sinusoidal function parameters and the obstacle dimensions. The obtained regression equations allow online changes to the trajectory as obstacle dimensions change. Four case studies, different obstacle dimensions, are simulated using the two link robot. The results show that using the obtained relationships the robot reaches its desired destination, with high accuracy, while avoiding the obstacles.


1989 ◽  
Vol 32 (2) ◽  
pp. 149-159 ◽  
Author(s):  
Kaoru Hirota ◽  
Yoshinori Arai ◽  
Shiroh Hachisu
Keyword(s):  

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