Optimal Trajectories in Brachistochrone Problem with Coulomb Frictionстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 26 сентября 2016 г.
Аннотация:A two parameter family of optimal curves in the brachistochrone problem in the case of
Coulomb friction is found. The problem is represented in the form of the standard time minimization
control problem. The normal component of the support reaction is used as control. It turned out that
the formula for the optimal control, which does not include adjoint variables, has a singularity at the
zero motion velocity. A system of ordinary differential equations is derived for which the solution of
the Cauchy initial value problem makes it possible to obtain optimal trajectories that have a vertical
tangent at the initial point. The selfsimilarity property of such trajectories is proved. It is shown how this property can be used to obtain by scaling all optimal trajectories from the set of optimal trajectories with fixed initial conditions and different terminal slope angles of the tangent.
DOI: 10.1134/S1064230716030163