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Research of the closed exponential queueing structure with one-type messages and the income is conducted. The differential equation in partial derivatives for an income distribution density is received. The ordinary differential equation for its expected income is constructed at particular starting conditions. The offered method of its decision in a case when the intensity of the service of messages, the number of messages in networks, the number of lines of the service in systems, the matrix of probabilities of transitions of messages and the income from transitions between conditions of the closed queueing struc- ture (CQS) depend on time is described. An example when change of parameters has sea- sonal nature is reviewed. Results of this article can be applied at the prediction of the in- come of the logistic transport system (LTS).

Finding of the expected income of the closed queueing structure and its application in transport logistics