Total views : 120

Development and Analysis of Robotic Sliding Suction Cup System for Wall Climbing Applications

Affiliations

  • Department of Electronics and Instrumentation Engineering, Hindustan Institute of Science and Technology, Chennai – 603103, Tamil Nadu, India

Abstract


Background/Objectives:The wall climbing robots normally uses suction cups for adhering to the wall surface. The conventional suction cup system using common suction generator suffers from the failure of centralized suction motor. The practically realized climbing robots with on board suction generator are limited with single suction chamber due to load and power limitations. Methods/Statistical analysis: In the proposed work, the climbing robot is realized with two on board suction motors to cater two chambers. Each suction motor is integrated with a suction cup with suitable skirting. A drive system with flat rubber wheels enables the robot to move on smooth surfaces. The design concept of dual suction cup enables safe mobility through adaptive control and ensures the robot functions even any one suction generator fails or encounters higher leakage. This arrangement provides the required negative pressure for cup individually to adhere to the wall. An adaptive control scheme is developed and implemented by interactively controlling the suction cups negative pressure by varying the speed of the corresponding suction motor. This paper also discusses about its basic mathematical analysis, the simulation of the model and the prototype wall climbing robot. Findings: The simulation of the robot is performed using Matlab Simulink Software and also realized with hardware components using an embedded controller, pressure sensors and drive motors. It is observed through simulation that by varying the speed of the suction motor, the negative pressure in the suction cup system can be controlled. The simulation result for the complete holding of the suction cup system considering the frictional forces is found to be -70.25 kPa. The sliding and drop off negative pressure levels by allowing a minimum suction leakage percentage is found by performing simulation. These pressure level values are compared with the experimental suction cup system and found to be closer. Application/ Improvements: The developed climbing robot can be deployed for various inspection tasks of concrete walls, high rise buildings, steel structures etc., The payload capacity of the robot can be still improved by optimizing the pressure levels in the chambers.

Keywords

Negative Suction, PID Control, Sliding Suction Cup, Smooth Surfaces, Wall Climbing Robot.

Full Text:

 |  (PDF views: 190)

References


  • Albitar H, Dandan K, Ananiev A, Kalaykov I. Underwater robotics: Surface cleaning techniques, adhesion and locomotion systems. International Journal of Advanced Robotic Systems. 2016.
  • Available from: http://www.inf.uos.de/techinf/demo_ robots.html#claus
  • Yoshida Y, Shugen. Design of a Wall-Climbing Robot with Passive Suction Cups. 2010.
  • Available from: http://www.urakami.co.jp/img/pdf/vrobo_ brochure_en.pdf
  • COMM European commission: CORDIS: Projects & results service: Final report summary - RIMINI (development of new and novel low cost robot inspection methods for in-service inspection of nuclear installation). 2016 Jul 5. Available from: http://cordis.europa.eu/result/rcn/52080_en.html
  • Moldable robotics and NDT automation. 2016. Available from: http://robotics.umng.edu.co
  • Balaguer C, Gimenez A, Abderrahim CM. ROMA robots for inspection of steel based infrastructures. Industrial Robot: An International Journal. 2002; 29(3):246–51. doi:10.1108/01439910210425540
  • Wagner M, Chen X, Nayyerloo M, Wang W, Chase JG. A novel wall climbing robot based on Bernoulli effect. IEEE/ASME International Conference on Mechatronic and Embedded Systems and Applications; 2008. doi:10.1109/mesa.2008.4735656
  • Xiao J, Sadegh A. City-climber: A new generation wall-climbing Robots. International Journal of City University. 2007.
  • Luk B, Collie A, Cooke DS, Chen S. Walking and climbing service robots for safety inspection of nuclear reactor pressure vessels. Measurement and Control. 2006; 39(2):43-7. doi:10.1177/002029400603900201
  • Ikeda K, Nozaki T. Fundamental study on a wall-climbing robot. 5th International Symposium on Robotics in Construction; Tokyo, Japan. 1988.

Refbacks

  • There are currently no refbacks.


Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 License.