An introduction to the application of the simplest matrix-generalized inverse in systems science

V Lovass-Nagy, R Miller… - IEEE Transactions on …, 1978 - ieeexplore.ieee.org
Various kinds of matrix-generalized inverses are defined and classified. Theorems on the
existence, calculation, and use of the simplest generalized inverse are stated. Matrices of …

Control of kinematically redundant robots using {1}-inverses

V Lovass-Nagy, RJ Schilling - IEEE transactions on systems …, 1987 - ieeexplore.ieee.org
Resolved motion rate control of kinematically redundant manipulators using the simplest of
the generalized inverses, the {1}-inverse, is investigated. For the case of a planar articulated …

On regularizing descriptor systems by output feedback

V Lovass-Nagy, DL Powers… - IEEE transactions on …, 1994 - ieeexplore.ieee.org
In this paper, linear time-invariant descriptor-variable systems are considered which are either
nonregular or, if they are regular, they have impulsive modes. It is shown that if a certain …

Reduction of functions of some partitioned matrices

V Lovass-Nagy, DL Powers - Mathematics of Computation, 1969 - ams.org
In the numerical analysis of physical problems, there often arise large matrices which exhibit
certain kinds of block-symmetry when partitioned appropriately. In this article, the structures …

On the application of matrix generalized inverses to the design of observers for time-varying and time-invariant linear systems

V Lovass-Nagy, R Miller… - IEEE Transactions on …, 1980 - ieeexplore.ieee.org
A method for the design of Luenberger observers is developed utilizing the simplest
generalized inverse of matrices. The method can be applied to time-invariant and to time …

Tracking control of linear time-invariant descriptor systems

…, SL Harris, V LOVASS-NAGY - International journal of …, 1992 - Taylor & Francis
A feedback design method is developed for input/output tracking control of a class of linear
time-invariant descriptor systems. The descriptor systems are decomposed into a dynamic …

On rectangular systems of differential equations and their application to circuit theory

V Lovass-Nagy, DL Powers - Journal of the Franklin Institute, 1975 - Elsevier
A system of differential equations A(d/dt) x = Bx+f, along with the initial condition x(0) = k, is
considered where A and B are mxn matrices. Generalized inverses of the matrix A are used …

[CITATION][C] On functions of partitioned matrices with nondiagonalizable submatrices

V LovassNagy, DL Powers - Linear Algebra and Its Applications, 1970 - Elsevier
Let M be a square matrix of order q. If the minimum equation of M has only simple roots, then
M can be diagonalized and any function f (z) which is defined at the eigenvalues of M may …

On inversion of linear descriptor-variable control systems containing input derivatives

V LOVASS-NAGY, DL POWERS… - IMA Journal of …, 1992 - academic.oup.com
Linear control systems of the form Eż = Ax + Bv, y = Cx + Dv, are considered, where v is a
column composed of the control u and its first k derivatives, and E is a singular square matrix. …

Path tracking with the links of a planar hyper‐redundant robotic manipulator

RJ Schilling, R Read, V Lovassnagy… - Journal of robotic …, 1995 - Wiley Online Library
A technique for path tracking with the links of a planar hyper‐redundant robotic manipulator
is presented. It is a joint‐space trajectory planning method that can be used for obstacle …