This research shall focus on two improvements to the currentstate of modeling and shape control of large space structures: (1) the use of frequency domain/spectral factorization methods for the development of shape control laws: and (2) the use of advanced methods, including homogenization, or the… More

A major difficulty with current design methods for large space structures is their inability to cope with two fundamental characteristics of such systems: (a) large modelinaccuracies, and (b) multiplicity of control loops in a hierarchical control organization. we propose to develop highly… More

Army aviation (helicopters) represent an increasingly critical component in future airland battles and therefore a more intensive, efficient and responsive operations management system is required. without an efficient distributed command and control system these objectives cannot be met. we propose… More

Since the early 1960s, it has been recognized that "electrostatic discharge" (esd) can damage electronic devices. with the progressive microminiaturization and increased complexity of electronic devices, more and more devices are becoming susceptible to damage from esd. this continuing trend is… More

The low cost non-intrustive torque transducer is added to an existing drive train. it measures directly the engine output torque with short response time. the angular deflection at both ends of the crankshaft is detected by two non-contacting encoder-pickup combinations. the phase angle between the… More

Analytical methodology and numerical code will be developed for the computation of effective parameter representations for composite material. we shall treat filimentary metal matrix composite materials using the method of homogenization developed over the past ten years. this analytical method… More

The rapid increase in the growth of surgical knowledge and the introduction of new technologies have made the idea of giving a written recertification examination every ten years to measure surgical skill competency seem archaic and inadequate. A new set of requirements that physicians must adhere… More