In the class of linear algorithms of linear stationary multi-connected plants control
the subclass is distinguished of quasi-terminal algorithms with implicit aiming at the boundary
conditions moving along the program of the required change of the state vector coordinates and
being at a xed interval from the current time. Aiming is realized by calculating the programs
of changing the future control vector components in the form of power series segments that
depend on the future time and provide a solution of the two-point boundary value problem.
In idealized model conditions of the complete controllability and the availability of an accurate
information about the control plant state and equations, as well as of the instantaneous and
accurate implementation of the calculated commands, the quasi-terminal algorithm provides the
asymptotic stability of a closed multi-connected system and as high pre-set rate of transients
convergence as needed, regardless of whether the control plant model is stable. The relatively
simple and easy to implement in MATLAB non-optimization method of algorithm synthesis is
suggested based on the use of the matrix representation of the control plant model in the state
space and of the apparatus of exponential functions of matrices. Quasi-terminal algorithms can
be used in multiconnected stabilization systems and, in particular, in stabilization systems of
mobile terminal plants with respect to trajectories calculated by the terminal control system.