Physical measures of functional status, including grip strength, walking time and button test, had been used in rheumatology clinical trials for many years, but have been supplanted in recent years by patient questionnaires. While patient questionnaire measures involve minimum professional time and have greater predictive value than physical measures for severe long-term outcomes of rheumatoid ...

Scarcity of water resource and increasing competition for its use promoted recently the development of advanced control algorithms and SCADA technologies for the automatic management of open-surface hydraulic systems. In order to control hydraulic devices on irrigation canals or rivers, detailed information on the hydraulic state of the system must be available. This is particularly true when t...

AIM To examine the reproducibility of crown-heel length measurement; the precision and reproducibility of knee-heel length measurement; and the association between the two in healthy preterm infants. METHODS Paired crown-heel and knee-heel lengths were measured on 172 occasions by three observers in 43 preterm infants between 205 and 458 days of postconceptional age. RESULTS Crown-heel leng...

This paper describes algorithms for predictive database management used in The UC Berkeley Building Walkthrough System The algorithms fore cast a range of possible observer viewpoints during upcoming frames and use precomputed cell visibil ity information to determine a set of objects likely to be visible to the observer in the near future For each of these objects detail elision techniques de ...

Nonlinear systems can be poorly or non-observable along specific state and output trajectories or in certain regions of the state space. Operating the system along such trajectories or in such regions can lead to poor state estimates being provided by an observer. Such trajectories should be avoided if used for state-feedback control or monitoring purposes. In this paper, we outline two possibl...

This paper addresses the control problem of heterogeneous vehicle platoons subject to disturbances and modeling errors. The objective is guarantee spatial-geometry constraints vehicles in a platoon. We deal with case where predecessor-leader following (PLF) communication topology used dynamics disturbances. To estimate lumped disturbance, technique unknown input proportional multiple-integral (...