803 resultados para Teresina (PI)
Resumo:
A new, wide ranging, synthetically powerful, catalytic tandem cyclisation-anion capture process is proposed which depends on the rate of cyclisation of an organopalladium specifies (RPdX) onto a proximate alkene or diene being significantly faster than anion exchange and reductive elimination in the sequence RPdX --> RPdY --> RY + Pd(0). The catalytic cyclisation - anion capture sequence is illustrated for hydride capture by a wide variety of substrates giving rise to fused- and spiro-, carbo- and hetero-cyclic systems, regio- and stereo-specifically.
Resumo:
Modern control methods like optimal control and model predictive control (MPC) provide a framework for simultaneous regulation of the tracking performance and limiting the control energy, thus have been widely deployed in industrial applications. Yet, due to its simplicity and robustness, the conventional P (Proportional) and PI (Proportional–Integral) control are still the most common methods used in many engineering systems, such as electric power systems, automotive, and Heating, Ventilation and Air Conditioning (HVAC) for buildings, where energy efficiency and energy saving are the critical issues to be addressed. Yet, little has been done so far to explore the effect of its parameter tuning on both the system performance and control energy consumption, and how these two objectives are correlated within the P and PI control framework. In this paper, the P and PI controllers are designed with a simultaneous consideration of these two aspects. Two case studies are investigated in detail, including the control of Voltage Source Converters (VSCs) for transmitting offshore wind power to onshore AC grid through High Voltage DC links, and the control of HVAC systems. Results reveal that there exists a better trade-off between the tracking performance and the control energy through a proper choice of the P and PI controller parameters.
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Livre 18 seulement (hui 86 à 91).
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Par Yin shui shan ren et par l'homme du Tian hua zang. Édition du pavillon Zui hua.20 hui.
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Préface du maître du Tian hua zang. Ancienne impression.16 hui.
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A la fin des Song. Préface non datée.48 hui.
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Contient : I園林午夢Yuan lin wu meng.Songe de midi dans le bosquet ; II圍棋馬局Wei qi ma ju.L'échiquier ; III西廂摘句骰譜Xi xiang zhe ju tou pu.Tableaux explicatifs des parties de dés du Xi xiang ji ; IV錢塘夢Qian tang meng.Songe de Qian tang ; V會眞記Hui zhen ji.Histoire du portrait ; VI李卓吾先生(alias 卓老)批㸃西廂記眞本Li zhuo wu xian sheng (alias tcho lao) pi dian xi xiang ji zhen ben.Le Xi xiang ji (Histoire du pavillon occidental), ponctué par Li Zhuo wu ; VII新校琵琶記始末Xin jiao pi pa ji shi mo.Le Pi pa ji (Histoire du luth), édition revue
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Contient : I教要總說Jiao yao zong shuo ; IIQu pi xun meng