Abstract
The paper presents a new method of design and construction aimed at developing a system that helps to prevent accidents involving demolition robot operators. The method is based on a study of user needs and was developed in accordance with Design Thinking methodology. This study provides a theoretical review of designing processes and methodologies, including conceptual design, and explores the implementation of the proposed method in the designing process for a Human–Machine Interface (HMI) accident prevention system. An in-depth study of user needs combined with an analysis of the operational system, both of which followed the stages in the proposed method, as well as with experimental tests on a small remote control demolition robot, inspired the development of an operator-controlled HMI system. The theoretical review concerns non-haptic feedback devices, which can be implemented in the demolition robot remote control or in operator safety equipment. Experimental research helped to determine the data necessary to develop an HMI system that continuously uses information from sensors installed on the machine. The paper also addresses issues related to the implementation of the HMI interface in order to avoid failures resulting from robot misuse and to protect the operator from any hazards caused by potential accidents. This paper emphasizes the importance of the connection between man and machine to overcome the lack of direct information flow in the case of mechanical operation.
Highlights
In construction and deconstruction works, staff and machinery are exposed to difficult conditions, such as high temperature, ground collapses, landslides, noise, dust, mud, and radioactive contamination
The paper presents the use of a new design and construction method based on the study of user needs obtained through empathy research
The in-depth research combined with the analysis of the operational system helps to correctly identify the problem in operation of small machinery, which directly corresponds to the operator’s need
Summary
In construction and deconstruction works, staff and machinery are exposed to difficult conditions, such as high temperature, ground collapses, landslides, noise, dust, mud, and radioactive contamination. Examples such requirements are an built for machines an operator or operator seatedofon thestructures machine Examples of such structures include Roll-Over Protective Structures (ROPS), which protect the overturning, andevent. 1b shows a remote-controlled demolition robot with the operator standing next to the machine. Figure depicts an excavator that fell onto a pedestrian crossing and hit an accidental operation. A case study of machine overturning accidents as well as the application of the proposed design and construction method based on user research served as the basis for the development of an accident prevention system for heavy duty machines, with special focus on mini-diggers and remote-controlled demolition robots
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