An ecological analysis of the supervisory activity of 31 New Zealand school psychologists examined simultaneously the theories of school psychology, supervision practices, and the contextual qualities that mediated participants' supervisory actions. The findings indicated that the school psychologists worked to achieve the supervision goals of support, knowledge, and accountability through reci...

Data on 7668 children (0-72 months) and their 4621 mothers and 81 Anganwadi Workers (AWWs) collected for the USAID Assisted ICDS Evaluation Surveys were analysed. The results indicated that the major risk factors of nutritional blindness were lack of nutrition and health knowledge among mothers; presence of iron deficiency anemia in the children; and history of the child having had measles in t...

Components of the electric power grid that were traditionally deployed in physically isolated networks, are now using IP based, interconnected networks to transmit Supervisory Control and Data Acquisition (SCADA) messages. SCADA protocols were not designed with security in mind. Therefore, in order to enhance security, access control and risk mitigation, operators need detailed and accurate inf...

due to the changes which may occur in their parameters, systems are usually demonstrated by some subsystems for different conditions. this paper employs modified petri nets (mpn) to model theses subsystems and makes it simple to analyze them. in this method, first, the continuous transfer function is converted to a discrete transfer function and then, by mpn, system is modeled and analyzed. all...

Because of their nondeterministic nature of behaviour, the supervisory control of manufacturing systems must be carried out in closed loop. This trait greatly increases the size and complexity of the Discrete-Event System (DES)-based supervisorycontrollers of manufacturing systems. Attempting to cope with this complexity, a Hybrid Supervisory Controller (HSC), that distributes operations betwee...

The purpose of a cross-sectional study was to investigate factors influencing the quality of life among Thai workers in textile dyeing factories. Samples included 205 Thai workers from five textile dyeing factories located in the suburban area of Bangkok in Thailand. Data were collected with a self-administered questionnaire. Scales of the questionnaire had reliability coefficients ranging from...

The seminal work on theory of Supervisory control in Discrete Event Systems was pioneered by Ramadge and Wonham. Taking inspiration from this work, extensive research has been done to extend the theory to real-time. The main problem in the research related to real-time supervisory control is that theories of RW framework are not directly applicable because of infiniteness of state space. This p...

In this paper, the supervisory control synthesis of modular or distributed discreteevent systems is discussed. The coordination-control architecture proposed by Komenda and van Schuppen (2008) and studied for prefix-closed specification languages by Komenda et al. (2010a,b) is generalized to the case of non-prefix-closed global specification languages and non-prefix-closed plant languages. Nece...

This work focuses on the design of a supervisory predictive control system for the optimal management and operation of a stand-alone wind-solar energy generation system which provides power to a reverse-osmosis (RO) water desalination system. We design the supervisory control system via model predictive control which coordinates the wind and solar subsystems as well as a battery bank to best sa...