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Development and performance analysis of a solar tracking system - Bog af Diego Augusto Gonzaga - Paperback

Development and performance analysis of a solar tracking system - Bog af Diego Augusto Gonzaga - Paperback

This book implements a two-degree-of-freedom solar tracker system and analyses its performance. On-off and proportional control strategies were implemented, with and without hysteresis intervals. The solar tracker system with two degrees of freedom met the positioning needs required by the characteristics of its function. The control system with the best behaviour was the On-Off system with hysteresis.

DKK 422.95
2

Essential medicines supply system - Bog af Christian Nno - Paperback

Essential medicines supply system - Bog af Christian Nno - Paperback

Accessibility and availability of medicines is a major issue in health systems worldwide and particularly in Africa. In sub-Saharan Africa, access to quality essential medicines is a major public health problem. The present work illustrates the situation in one region of Cameroon, one of the most developed, the South. In the content, the national health system, the essential drug supply system, its difficulties and proposed solutions to improve access and availability of the drug at all levels of..

DKK 672.95
2