Until some few years ago, robotics technology was a concept confined to the Japanese and American countries and with a well-built technology system, almost every aspect, be it industry or business could be effectively handled. Now it has reached almost every part of the world. The construction industry is one of the important aspects where Robotics and Automation research have left its footprint and more advanced technologies are being developed. But the major issue faced during the development of the service robotics is the nature of the unstructured working environment;
Divergence to the software field
In the 1990s, the researchers were continually searching for methods for the automation of existing heavy machinery industries; this is technically termed as “hard robotics”. But with the evolution of “bubble economy crisis”, the situation became such that the robotic needs did not reach the satisfaction levels of the economy. It was at this time that Research and Development team of Robotics intensified their search and sought the help of software experts to design structures and patterns, while constructing heavy machineries which included on-site data acquiring with sensor equipments, considering the safety aspects of the human operator, Integrated chip controlling data and automated inventory. Higher levels of automation have to be achieved to meet the needs of the society as well as industries.
Construction robotics from two major aspects
· Civil infrastructure:
Civil infrastructure applications include automation of roads and bridge constructions.
For example, semi-autonomous road pavers and compactors had the GPS system loaded in them, which guided the machine in terms of speed, acceleration and other basic factors.
Excavators and bulldozers were integrated with new working control techniques which enhanced the overall productivity of the system. Inspection and tracking of the civil infrastructure, environment were considered as a tedious and complex job, at the initial stage. But with the evolution of ROMA family climbing robots, a complex 3D environment was created to give out an unexceptional view of the whole construction site.
· House building: Sophisticated robots at your help
At the beginning stage, the robots were handled for simple operations like, The Japanese robot Mighty Hand which helped in carrying heavy objects in the sites as well as for the concrete walls. But over the last decade, many changes have been accommodated like auto-tracking laser telemeter.
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