By M. R. Napolitano, Y. An, B. Seanor

Plane layout three (2000) 103 - 128

In contemporary years neural networks were proposed for id and keep watch over of linear and non-linear dynamic platforms. This paper describes the functionality of a neural network-based fault-tolerant approach inside of a flight regulate procedure. This fault-tolerant flight keep watch over procedure integrates sensor and actuator failure detection, id, and lodging (SFDIA and AFDIA). the 1st activity is completed by way of incorporating a prime neural community (MNN) and a collection of n decentralized neural networks (DNNs) to create a process with n sensors which has the power to become aware of a large choice of sensor disasters. the second one scheme implements an identical major neural community built-in with 3 neural community controllers. The contribution of this paper makes a speciality of improvements of the SFDIA scheme to permit the dealing with of sentimental mess ups in addition to addressing the difficulty of integrating the SFDIA and the AFDIA schemes with no degradation of functionality by way of fake alarm premiums and unsuitable failure identi"cation. the result of the simulation with varied actuator and sensor disasters with a non-linear airplane version are awarded and mentioned.

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The research and analysis is intended to complement more detailed studies of individual countries. Comparisons among countries are based on indicators of the formation of human capital and the promotion of social equity. For human capital formation, the broad concern is the efficiency of investments in education. How do countries differ in resource allocation to the sector as a whole and within the sector? Do allocations Page 3 maximize the returns to society, measured and unmeasured, of investing in education?

In the interest of facilitating our work in revising the manuscript, two of the reviewers, Andrew Rogerson and Donald Winkler, actually made themselves known to us. We are grateful for their decision to do so, as it proved to be a great help. We would also like to thank Douglas Keare, a member of the Publications Committee, for steering us through the review process. Editorial and production support was provided by Katrina Van Duyn (editing), Mary Mahy and Kim Bieler (desktopping), and Kathy Rosen (graphics).

The problem is especially serious in primary education, with adverse implications for human capital formation and social selectivity. For the region as a whole, 91 percent of the population currently enter grade 1, but only 62 percent of the entrants reach the end of primary schooling. The situation is especially alarming in such Page 6 countries as Bangladesh, Bhutan, India, Lao PDR, and Nepal, where survival rates are 40 percent or less. And girls' participation in schooling appears to be especially weak under such conditions.

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