Refine
Year of publication
- 2016 (215) (remove)
Document Type
- Conference Proceeding (81)
- Article (48)
- Other Publications (28)
- Part of a Book (20)
- Book (14)
- Doctoral Thesis (7)
- Journal (Complete Issue of a Journal) (5)
- Working Paper (5)
- Report (3)
- Bachelor Thesis (1)
Language
- German (123)
- English (91)
- Multiple languages (1)
Keywords
- Abstract interpretation (1)
- Arbeitsrecht (1)
- Aufsatzsammlung (1)
- Bernstein polynomial (1)
- Block codes (1)
- Blomeier (1)
- Bodenplatten (1)
- Body sensor networks (1)
- Business life-cycle (1)
- Business plan (3)
- Bytecode (1)
- CO2-Bilanz (1)
- Cauchon algorithm (2)
- Chassis dynamometer (1)
- Checkerboard ordering (1)
- Code Generation (1)
- Cognitive radio (1)
- Computational linguistics (1)
- Concatenated codes (1)
- Condition monitoring (1)
- Content analysis (2)
- Content analysis (keywords) (1)
- Corporate Social Responsibility (1)
- Corporate modelling (1)
- Correlation analysis (1)
- Cyberphysische Produkte (1)
- Damages (1)
- Data acquisition (1)
- Data compression (1)
- Data privacy (1)
- Decoding (1)
- Denkmalschutz (1)
- Deutschland (2)
- Disturbance rejection (1)
- Diversity (1)
- Document image processing (1)
- Domain-Specific Language (DSL) (3)
- Domain-Specific-Language (DSL) (1)
- EMF (1)
- ERP systems (1)
- Eclipse Modeling Framework (EMF) (1)
- Electrocardiography (1)
- Electroencephalography (1)
- Electromagnetic actuators (2)
- Electromagnetic devices (1)
- Energiewende (1)
- Enterprise systems (1)
- Entry-wise perturbation (1)
- Error correction (1)
- Extended Perron complement (1)
- Extended linearisation (1)
- Factory automation (1)
- Fallsammlung (2)
- Fault diagnosis (1)
- Finite-element (1)
- Flash memories (1)
- Footbridges (1)
- Friction (1)
- Fuel consumption (1)
- Future tools and methods (1)
- Gain scheduling (1)
- Gebäudehülle (1)
- Gesellschaftsrecht (1)
- Graphical Online Editor (1)
- Handelsrecht (1)
- Handwriting recognition (1)
- Hankel matrix (1)
- Hidden Markov models (1)
- Huffman codes (1)
- Hurwitz matrix (1)
- Hydraulic actuators (1)
- Hysteresis modeling (1)
- IT risk (1)
- IT service governance (1)
- Immutability (1)
- Industrial training (1)
- Industrie 4.0 (1)
- Internet (1)
- Internet of Things (1)
- Joint building venture (1)
- Kommunikation (1)
- Lake constance (1)
- Lean Production (1)
- Learning (artificial intelligence) (1)
- Magnetic fields (1)
- Marketing (1)
- Marketingpolitik (1)
- Markov processes (1)
- Matlab (1)
- Matrix interval (1)
- Maximum likelihood estimation (1)
- Measurement methods (2)
- Measurements (1)
- Metamodel (1)
- Metamodel Definition (1)
- Metamodel Model-Driven Architecture (MDA) (1)
- Military land redevelopment (1)
- Mittelstand (1)
- Mobile computing (1)
- Model-Driven Architecture (MDA) (2)
- Model-Driven Software Development (MDSD) (3)
- Model-Driven-Development (MDD) (1)
- Modelling (1)
- Motion estimation (1)
- Movement patterns (1)
- Multicast communication (1)
- NEDC (1)
- Natural frequency (1)
- Nichtrostender Stahl (1)
- Observers (1)
- Parameter estimation (3)
- Pedestrian (1)
- Perron complement (1)
- Platten (1)
- Prediction (1)
- Probability (1)
- Production management (1)
- Quality of service (1)
- R-function (1)
- Radio spectrum management (1)
- Range bounding (1)
- Rapid Protoryping (1)
- Rational function (1)
- Recht (1)
- Redundancy (1)
- Region Konstanz (1)
- Relation (1)
- Rissbreitenbeschränkung (1)
- Sanierung (1)
- Scala (1)
- Schrumpfen (1)
- Schur complement (1)
- Shadow IT (2)
- Shadow systems (1)
- Ship control (1)
- Sign regular matrix (2)
- Simulation (1)
- Sleep (1)
- Software radio (1)
- Spectral analysers (1)
- Sprachakustik (1)
- Street sweeper (1)
- Task allocation (1)
- Technology transfer (1)
- Telecommunication traffic (2)
- Timber bridges (1)
- Totally nonnegative matrix (4)
- Totally nonpositive matrix (1)
- Totally nonpositve matrix (1)
- Totally positive matrix (2)
- Trajectory tracking (1)
- Transaction cost economics (1)
- Transaction relations (2)
- Treibhausgasemissionen (1)
- Triangulation (1)
- Umweltstrategie (1)
- Unscented Kalman Filter (1)
- Urban development pattern (1)
- Urbanity (1)
- Value network (1)
- Venture emergence (2)
- Vertex matrix (1)
- WLTC (1)
- WLTP (1)
- Wave filtering (1)
- Wessenberg-Schule (1)
- Xtext (2)
- Zugfestigkeit (1)
- algebraic codes (1)
- greenhouse gas protocol (1)
- modulation coding (1)
- nachhaltige Universität (1)
A real matrix is called totally nonnegative if all of its minors are nonnegative. In this paper the extended Perron complement of a principal submatrix in a matrix A is investigated. In extension of known results it is shown that if A is irreducible and totally nonnegative and the principal submatrix consists of some specified consecutive rows then the extended Perron complement is totally nonnegative. Also inequalities between minors of the extended Perron complement and the Schur complement are presented.
We consider classes of n-by-n sign regular matrices, i.e., of matrices with the property that all their minors of fixed order k have one specified sign or are allowed also to vanish, k = 1, ... ,n. If the sign is nonpositive for all k, such a matrix is called totally nonpositive. The application of the Cauchon algorithm to nonsingular totally nonpositive matrices is investigated and a new determinantal test for these matrices is derived. Also matrix intervals with respect to the checkerboard partial ordering are considered. This order is obtained from the usual entry-wise ordering on the set of the n-by-n matrices by reversing the inequality sign for each entry in a checkerboard fashion. For some classes of sign regular matrices it is shown that if the two bound matrices of such a matrix interval are both in the same class then all matrices lying between these two bound matrices are in the same class, too.
In this paper totally nonnegative (positive) matrices are considered which are matrices having all their minors nonnegative (positve); the almost totally positive matrices form a class between the totally nonnegative matrices and the totally positive ones. An efficient determinantal test based on the Cauchon algorithm for checking a given matrix for falling in one of these three classes of matrices is applied to matrices which are related to roots of polynomials and poles of rational functions, specifically the Hankel matrix associated with the Laurent series at infinity of a rational function and matrices of Hurwitz type associated with polynomials. In both cases it is concluded from properties of one or two finite sections of the infinite matrix that the infinite matrix itself has these or related properties. Then the results are applied to derive a sufficient condition for the Hurwitz stability of an interval family of polynomials. Finally, interval problems for a subclass of the rational functions, viz. R-functions, are investigated. These problems include invariance of exclusively positive poles and exclusively negative roots in the presence of variation of the coefficients of the polynomials within given intervals.
This work investigates data compression algorithms for applications in non-volatile flash memories. The main goal of the data compression is to minimize the amount of user data such that the redundancy of the error correction coding can be increased and the reliability of the error correction can be improved. A compression algorithm is proposed that combines a modified move-to-front algorithm with Huffman coding. The proposed data compression algorithm has low complexity, but provides a compression gain comparable to the Lempel-Ziv-Welch algorithm.
In this paper, a gain-scheduled nonlinear control structure is proposed for a surface vessel, which takes advantage of extended linearisation techniques. Thereby, an accurate tracking of desired trajectories can be guaranteed that contributes to a safe and reliable water transport. The PI state feedback control is extended by a feedforward control based on an inverse system model. To achieve an accurate trajectory tracking, however, an observer-based disturbance compensation is necessary: external disturbances by cross currents or wind forces in lateral direction and wave-induced measurement disturbances are estimated by a nonlinear observer and used for a compensation. The efficiency and the achieved tracking performance are shown by simulation results using a validated model of the ship Korona at the HTWG Konstanz, Germany. Here, both tracking behaviour and rejection of disturbance forces in lateral direction are considered.
We analyse the results of a finite element simulation of a macroscopic model, which describes the movement of a crowd, that is considered as a continuum. A new formulation based on the macroscopic model from Hughes [2] is given. We present a stable numerical algorithm by approximating with a viscosity solution. The fundamental setting is given by an arbitrary domain that can contain several obstacles, several entries and must have at least one exit. All pedestrians have the goal to leave the room as quickly as possible. Nobody prefers a particular exit.