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The switches and the control circuit of Buck converter with static feedback control have been implemented in a standard digital 0.6 μm CMOS process. The control used is a direct large-signal approach, and the converter has been proven to be globally asymptotically stable using the theory of successors in combination with Lyapunov's direct method. One very important design parameter is the output r
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This paper provides observations and commentary on how bioenergy was presented and communicated at the 15th Conference of the Parties (COP 15) held in Denmark in December 2009, including the main conference and side events as well as “unofficial” parallel events and activities. We can learn significantly from the experiences of COP 15 in regards to how to develop and present visions for bioenergy,
Fading of the wideband radio channel and its implications for CDMA RAKE receiver operation has been investigated using measured wideband impulse responses and simulations with an exponentially shaped channel model. The emphasis has been on systems with 1.25 MHz and 5 MHz bandwidth, and the reduction in fading variations as well as the increased complexity in terms of required RAKE correlator branc
In this paper a distributed version of the Kalman filter is proposed. In particular, the estimation problem is reduced to the optimization of a cost function that depends on the system dynamics and the latest output measurements and state estimates which is distributed among the agents by means of dual decomposition. The techniques presented in the paper are applied to estimate the position of mob
Task-level industrial robot programming is a mundane, error-prone activity requiring expertise and skill. Since humans easily communicate with natural language (NL), it may be attractive to use speech or text as instruction means for robots. However, there has to be a substantial amount of knowledge in the system to translate the high-level language instructions to executable robot programs. In th
Artikeln, som ingår i en omfattande rapport från ett projekt in Nordiska ministerrådets program ”Norden och Europa”, behandlar situationen 1945–48. Efter fredsslutet betraktades världskriget i Sverige snart som en olycklig parentes. 1930-talets reformarbete, inspirerat från U.S.A., kunde fortsätta. Rättsuppgörelsen sträckte sig endast till vissa individer och institutioner, och tog inte upp regeri
