IMPROVEMENT OF THE GRAIN DELIVERY QUALITY MANAGEMENT BY THE UKRAINIAN TERRITORY
The paper analyzes this day state of development and current trends in improving to the grain delivery quality management by the motor transport, within the framework both individual enterprises and the industry on the whole. It’s allowed to form the main purposes of the study this article. The scientific works about the grain delivery quality by road transport give main attention on the development of effective interaction between the process participants, but they don't consider possible changes in the execution of technological operations under the impact of relevant factors. It has been determined there is a need to choose a methodical approach to form effective grain delivery quality management to further reduce the cost of performed operations and accordingly to reduce grain losses. The structure of the process of grain cargo transportation quality management has been considered, namely: the place of transport processes in the functioning of the grain products subcomplex is determined; the scheme for the movement of grain cargoes along the routes is developed. Based on the known initial system's parameters (number of motor vehicles and specialized transport), output parameters (the grain loss throughout handling operations and transportation) and external ones (total amount of grain that was collected and transported, the prime cost of grain transportation, the coefficient of the spilling grain, the cost of grain), the object of study has been schematically presented in the white chest form. An analytical model in the form of total grain losses during the transportation has been constructed. A full-factorial experiment plan for five initial parameters consisting the 32 series of tests has been developed. At that the various combinations of external influence parameters, with appropriate intervals varying in number, have been used. As a result of experiment the values of grain losses during transportation by series of tests have been obtained. It has been determined that the numerical values of the two main parameters (the volume of transportation and the cost of freight) take on maximum ones. A regression analysis by linear function has been performed. With the help of Microsoft Excel some indicators have been calculated, such as the coefficients variables in an equation, the variance, the regression statistic, etc. The got model is found to be adequate because the value of R-squared goes toward 1 and equals 0.785. The values of the regression model coefficients as well as their adequate to the standard error, t-statistic, P-value, lower and upper value has been also checked. It has been established the obtained model allows to predict the system's conduct and to manage the grain delivery quality by the Ukrainian territory for the Company “HARMAR-Service”.
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