A Mathematical Model of Mine Surveying Work Time
[1]
Victor V. Zverevich, Department of Mine Surveying, National Mineral-Resources University (Mining University), Saint-Petersburg, Russia.
[2]
Valery M. Tsaplev, Department of Electroacoustics and Ultrasonic Engineering, Saint-Petersburg State Electrotechnical University (LETI), Saint-Petersburg, Russia.
A mathematical model of mine surveyor working time was constructed. The working time of a single mine surveyor or the working time of a whole «mine surveyor ergatic system» (MSES) depends on various factors. These factors are: different qualities of the surveyor as a professional and a personality, accuracy and comfort of mine surveying instruments, the mine workings surroundings. All these factors make possible to conclude the MSES working time to be a stochastic quantity. The probability distribution function of MSES working time must have a truncated type. In our study a unimodal triangle distribution was used. We have studied the working time of about 80 mine surveyors and students having MSES of two types: «gyromeasurements» and «measurements of horizontal angle». The result graphic line shows an accurate interpretation of different points, so it may be used for testing either mine surveyors or students.
Mine Surveyor, Ergonomic System, Work Productivity, Work Time Distribution, Mathematical Model, Triangular Distribution
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