Abstract
It is evident from the experience of operating the construction machinery (excavators, bulldozers, loaders etc.) that quite often the machinery and its operators are working under severe conditions. Working under threat of rock fall, on unstable or contaminated grounds, or debris handling tends to increase the impact of adverse occupational environment on the operators’ health. When the operators are at risk, it is advisable to deploy remote process control technologies on the work sites. This is what brings research and development of modern remote control systems to the top of the chart in order to improve the productivity of machinery, enhance the safety and quality of the jobs carried out. The use of remote control will exclude the adverse impact of aggressive environment during the process operations. The research allowed to establish that the design specifics of the construction and road-making machines enable them to go far beyond the standard process layout giving into a much wider range of application, up to aggressive environments. A crawler excavator model was devised, imitating the visibility range of the process areas for the manual and remote control systems. Implementation of remote control for construction and road-making machines may become a step towards a completely new level of interaction within the man-machine-environment system.
Highlights
The designers developing modern construction and road-making machinery have to take into account a variety of functionality indices determined by psychophysical capabilities of operators, to ensure efficient and safe operation within the man-machine-environment system.It is due to the fact that, as long the industry development intensifies and new machinery is conceived, the operators’s activity is becoming increasingly complex and subject to stresses
Certain conditions demand from operators to use their psychophysical capabilities to the utmost extent, which, under adverse operational environment, may provoke erroneous actions, resulting not from poor skill level but from the mismatch between the machinery’s design features and the operational environment, on the one side, and human capabilities
- Comprehensive integration of technology to improve efficiency, safety, and enhance quality control of the processes and remake them into a single high added value production line. This is what brings research and development of deploying modern remote control systems in construction and road making machinery to the top of the chart in order to improve the productivity of machinery, enhance the safety and quality control of the jobs carried out
Summary
The designers developing modern construction and road-making machinery have to take into account a variety of functionality indices determined by psychophysical capabilities of operators, to ensure efficient and safe operation within the man-machine-environment system. The functional specifications of construction and road-making machinery do not at all times meet the requirements of the sites where it is operated This results in deployment of substandard process layouts, which, in turn, leads to impaired efficiency and increased labor consumption (Khmara and Shatov 2012; Romanovich and Kharlamov, 2009). Such production sites feature specific operational conditions, whether natural and climatic or due to the highest level of man-made impact. Research of machinery operation and operators’ activities within the single man-machine-environment system emphasizes the importance of finding new ways to reduce the risk of human errors and enhanced operational safety of construction and road-making machinery
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