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A method is presented for assessing disturbances in SISO loops.The method indicates if the SISO loop under consideration will benefit from an addition of feed forward control from a measured disturbance. The method uses minimal process knowledge and is based on measurement from normal operation.
We have grown Au seeded InAs nanowires using chemical beam epitaxy and report on the growth rate dependence on nanowire diameter. We find a maximum of the growth rate at a nanowire diameter of 25 nm, below which the growth rate decreases due to the Gibbs-Thomson effect. Above the maximum, the growth rate decreases with increasing diameter due to the effect of material diffusion to the growth point
A 1.8-GHz CMOS VCO is presented, employing a monolithic transformer as an inductance with voltage-controlled value. The design was implemented in a standard digital 0.6 μm, 2-metal CMOS process and exhibits a 10% tuning range with a 2.7 V supply voltage and a 9 mA supply current. Phase noise measurements show a worst-case phase noise of about -112 dBc/Hz at 3 MHz offset from the carrier
Observations from three case studies of public sector reforms are reported. These observations concern managerial attitudes to personnel resistance, and they reveal how management talks of resistance either as an emotional reaction or as a personality trait with certain employees. Based on these assumptions it is considered legitimate to disregard employee objections. Personnel were invited to the
This text is an appendix in the reports from the excavations of Hala Sultan Tekke in 2010 by P. Fischer in Opuscula 4 (title: "The New Swedish Cyprus Expedition 2010: Excavations at Dromolaxia Vizatzia/Hala Sultan Tekke"). It is a report of the analysis of the animal bones and includes preliminary conclusions. The text briefly discusses spatial distrubution of the bones and diachronic decrease of
Microalgae is one of the prominent sources for biodiesel production. Cultivation of a specific microalgae strain (chlorella sp.) in wastewater using a pilot-scale open pond raceway was studied. Daily measurement of the raceway parameters such as pH, optical density and dissolved oxygen indicated that growth phase prolonged for 15 days and pH of the culture stayed on 9.4 for the most part of the pe
