Intelligent cooperative control system in visual welding robot

2002 ◽  
Author(s):  
L.H. Sharif ◽  
S. Yamane ◽  
T. Sugimoto ◽  
K. Oshima
Keyword(s):  
Control System ◽  
Cooperative Control ◽  
Welding Robot

‘New Lamps for Old!’ A Method to Rejuvenate Old Robots through the Use of a Simple Set of Microcontroller-Based Control Boards to Replace Outdated Control Systems

2005 ◽  
Vol 33 (4) ◽  
pp. 339-348 ◽  
Author(s):  
P. Brunn ◽  
A. W. Labib
Keyword(s):  
Control System ◽  
Control Systems ◽  
Manufacturing Systems ◽  
Low Cost ◽  
Welding Robot ◽  
Design Development ◽  
Simple Set

The paper describes the design, development, testing and use of a microcontroller- and PC-based control system which was used to repair and enhance an ASEA IRB6 welding robot in the authors' laboratory. The principles described could be applied to any robot of similar age and to provide a low-cost route to revitalise any working robot hardware that is limited by an outdated control system. The proposed approach addresses a problem within many manufacturing systems operating in industry.

The System Design of an Autonomous Mobile Welding Robot

2021 ◽  
pp. 2150205
Author(s):  
Jian Le ◽  
Hua Zhang ◽  
Ze Chai ◽  
Yinshui He ◽  
Xiaoqi Chen
Keyword(s):  
Control System ◽  
Sensor Technology ◽  
Welding Robot ◽  
Tracking Accuracy ◽  
Welding Seam ◽  
Loop Control ◽  
Rotating Speed ◽  
Arc Sensor ◽  
Rotating Arc ◽  
Rotating Arc Sensor

The welding robot system designed in this paper is helpful to realize welding automation. The closed loop control system and algorithm of arc rotating speed have been designed, so arc rotating speed was stabilized near the set value and the tracking accuracy of fillet weld has been improved by the rotating arc sensor. A data acquisition system and a motion control system have been designed based on multi-sensor technology. The mapping relationship between the features in the welding seam image and the pose of the welding gun was established, so as to realize the identification of the pose of the welding gun based on three-wire laser vision sensing technology. The effect of wire extension, welding currents and welding voltages on the current waveform was investigated based on the rotating arc sensor. By using the designed system and algorithm, the welding deviations recognition experiment, the arc rotating speed control experiment and the tracking experiment of the right-angle welding seam have been carried out. The experimental results showed that the welding deviations were located within [Formula: see text][Formula: see text]mm, and the welding robot can track the complex welding seam accurately and reliably.

A Formal Approach to the Distributed Software Control for Automated Multi-Axis Manufacturing Machines

2019 ◽  
pp. 1400-1412
Author(s):  
Gen'ichi Yasuda
Keyword(s):  
Control System ◽  
Petri Net ◽  
Cooperative Control ◽  
Discrete Event ◽  
Formal Approach ◽  
Distributed Software ◽  
Control Functions ◽  
Approach Behaviors ◽  
Concurrent Processes ◽  
Machine Systems

This chapter deals with the control system design problem for automated machine systems from the viewpoint of a discrete event system approach. Behaviors of automated systems have externally the features of discrete event asynchronous, concurrent processes, which implies the necessity of distributed architecture for intelligent cooperative control. Based on the generalization of multi-axis machine activities, the detailed control functions of a machine task are hierarchically represented by an interpreted form of the Petri net. The necessary control conditions and rules to ensure that the control system is well-defined, including synchronization and conflict resolution, are provided as a conceptual model of machine task. Due to hierarchical decomposition of Petri net models, the structure of the whole control system as well as the contents of each machine task is easily understood so that the task planning, monitoring, and modification of the control system can be done effectively.

Pulsation Simulation and Energy Consumption Analysis of Series Pump Valve Cooperative Control Hydraulic System

2021 ◽  
Author(s):  
Jinyan Shi
Keyword(s):  
Control System ◽  
Energy Consumption ◽  
Hydraulic System ◽  
Cooperative Control ◽  
Simulation Analysis ◽  
Energy Consumption Analysis ◽  
Low Energy Consumption ◽  
Pump Valve ◽  
Working Principle ◽  
The Mathematical Model

In order to reduce the pulsation and the energy consumption of the hydraulic system, the series pump and valve cooperative control hydraulic system is designed, and the pulsation simulation and energy consumption analysis of it is carried out. Firstly, the working principle of series pump valve co control system is studied. Secondly, the mathematical model of series pump valve cooperation control system is established. And then the Controller of series pump valve cooperation control system is designed. Finally, the simulation analysis of the proposed hydraulic system is carried out, and results show that the proposed system has high stability and low energy consumption.

Novel infrared camouflage technology based on electrochromism

2021 ◽  
pp. 1-28
Author(s):  
Zhonggen Ding ◽  
Feifei Lu ◽  
Yuge Han
Keyword(s):  
Control System ◽  
Cooperative Control ◽  
Fast Response ◽  
Calculation Model ◽  
Control Effect ◽  
Control Precision ◽  
High Control ◽  
Control Stability ◽  
Control System Model ◽  
Infrared Camouflage

Abstract Under the background of developing the advanced infrared camouflage technology, a novel idea of infrared regulation based on cooperative control of emissivity and temperature was proposed. Combining the traditional temperature calculation model, the infrared characteristic calculation model and the proportional-integral-differential (PID) control strategy, the corresponding adaptive infrared control system model was designed. By integrating the electrochromic material with the thin film resistor, the theoretical feasibility of the infrared control system was verified by the principle prototype. On this basis, the models of space target and its profiling decoy were established, and the infrared camouflage characteristics of profiling decoy in 3-5µm band and 8-14µm band were studied respectively. The results show that the profiling decoy with cooperative control of emissivity and temperature can achieve better infrared control effect than that of ordinary temperature control. The cooperative control system can effectively reduce the overshoot of radiation and has the ability of fast response, high control precision and control stability.

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