The technique of data reconciliation crucially depends on the assumption that only random errors are present in the data and systematic errors either in the measurements or the model equations are not present. If this assumption is invalid, reconciliation can lead to large adjustments being made to the measured values, and the resulting estimates can be very inaccurate and even infeasible. Thus...

This paper examines firm value creation associated with CEO turnover. The literature has focused on the heterogeneity in CEOs. We instead focus on the heterogeneity in post-turnover firm strategies, which are significant changes in senior management and operations. We show that the variation in strategy choices has significant explanatory power for the variation in postturnover performance. Exa...

Experience using constraint programming to solve real-life problems has shown that finding an efficient solution to the problem often requires experimentation with different constraint solvers or even building a problem-specific constraint solver. HAL is a new constraint logic programming language expressly designed to facilitate this process. It provides semi-optional type, mode and determinis...

In performing simultaneous rhythmic movements of the ipsilateral hand and foot, there are differences in the level of stability between same directional (stable) and opposite directional (unstable) movements. This is the directional constraint. In this study, we investigated three factors ("interaction in efferent process," "interaction of afferent signals," and "error correction") proposed to ...

In this paper, we propose ordered constraint hierarchies and a non-trivial error function to model and solve over-constrained real-world problems adequately. We present an algorithm to atten constraint hierarchies consisting of polynomial equations and in-equations. The algorithm is based on an incomplete nite domain constraint solver. We conclude with some implementation details, some examples...

We present a method to control unbalanced fast dynamics in an ensemble Kalman filter by introducing a weak constraint on the imbalance in a spatially sparse observational network. We show that the balance constraint produces significantly more balanced analyses than ensemble Kalman filters without balance constraints and than filters implementing incremental analysis updates (IAU). Furthermore,...

the realization optimality theory is a recent development in the original optimality theory which is proposed to deal with morphological issues especially the inflectional ones. its main idea is to consider the morphological realization rules as ranked violable language-specific constraints that control the realization processes and provide phonological information of grammatical morphemes. thi...

The paper presents a new method of sliding mode control for cable suspended load with acceleration constraint. The method employs a time-varying switching line which moves with a decreasing velocity and a constant angle of inclination to the origin of the error state space. Then, it stops moving and it remains fixed. Since at the initial time the line consists of these points in the error state...