*Kenichi FUJINO1, Keiji NAGATANI2, and Shinichi YUTA3

1Incorporated Administrative Agency

Public Works Research Institution

1-6, Minamihara, Tsukuba-city,

Ibaraki-Prefecture, Japan

(*Corresponding author: fujino@pwri.go.jp)

2Tohoku University

6-6-01, Aramaki-aoba, Aoba-ku,

Sendai, Miyagi, Japan

3Shibaura Institute of Technology

3-7-5, Toyosu, Koto-ku,

Tokyo, Japan

Severe disasters have struck Japan in recent years. Following these disasters, construction robots have played important roles in investigation and restoration work in the disaster regions. To be applied in this way, construction robots require many functions according to the purpose of their use in each case. There are clear differences in the functions and usage conditions required by investigation robots and those required by execution robots. These differences will be important when designing and operating construction robots in the future. This report introduces a volcano exploration robot and unmanned execution system as examples of construction robots used for investigations and executions respectively. Based on this, the report organizes important characteristics of construction robots and explains differences in the concepts of disaster investigation robots and disaster restoration robots. Because they are used in harsh natural conditions and do not have any execution functions, efforts are made to clarify the fact that investigation robots have to overcome many problems such as mobility. When a construction robot is used, the scenario of the operation of the construction robot (execution plan) is extremely important, and in addition, it is necessary to clearly define the way it will be used according to the purpose of its use and specification conditions. In a plan for an unmanned execution system, it is possible to mitigate several strict prerequisite conditions by proposing a well-constructed execution plan. For example, the execution efficiency of an unmanned execution system can be improved by effectively using a temporary road.
Keywords: Investigations; Systems; Construction; Japan; exploration; Volcanic; Volcanics; Reports; Cost;
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