[PDF] Top 20 Sba Controle & Automação vol.14 número4

... In this paper, necessary and sufficient conditions for the positive invariance of convex polyhedra with respect to lin- ear discrete-time singular systems subject to bounded addi- tive d[r] ... See full document

... The sampling theorem is usually interpreted as the re- sult of an ideal filtering applied to a sequence of impulses modulated by the original signal values at specific in- stants of time (Burrus et al., 1998), (Carlson, ... See full document

... 3 shows the output of the nominal model and the output of the real plant controlled by the proposed scheme using the back- propagation algorithm, after few time steps an adequate perform[r] ... See full document

... This paper presents a novel family of Zero Voltage Tran- sition (ZVT) DC-DC PWM Converters that uses a reso- nant circuit as auxiliary commutation source to control the current through t[r] ... See full document

... The adaptive fuzzy controller is designed through the following steps: first, construct an initial controller based on linguistic descriptions (in the form of fuzzy IF-THEN rules) about t[r] ... See full document

... num´ericos e uma propriedade incremental para responder al- gumas quest˜oes sobre formas incomuns de lugar das ra´ızes relacionadas a sistemas de controle em malha fechada. Em alguns casos, responder a essas ... See full document

... Figure 26: Input voltage ( v ref = 30 V ) of the buck converter with the control system designed in Section 3.3 (voltage loop with inner peak current controller). Fig[r] ... See full document

... The results of the proposed multivariable technique are compared with those obtained by using the original for- mulation presented in (Paiva, Galv˜ao and Yoneyama, 2008).. 2 PROPOSED MUL[r] ... See full document

... Este controle gera resultados conser- vadores, pois a ação de controle deve ser limitada para um funcionamento correto no pior caso; isto significa um fator limitante quando a saída do processo é mudada a ... See full document

... This paper presents a methodology to the robust stability analysis of a class of single-input/single-output nonlinear systems subject to state feedback linearization.. The proposed appro[r] ... See full document

... de controle é base- ada na metodologia do controle em cascata, dividindo o mo- delo do robô em dois subsistemas: o subsistema dos elos e o subsistema do ... See full document

... For the pilot application of this method, a database was built using information including the geographical distribution of all the electric structures inside the service area; utility c[r] ... See full document

... The main purpose of this paper is to implement a new methodology based on Genetic Algorithms (GAs) to ex- tract the fundamental voltage and current phasors from noisy waves in power syst[r] ... See full document

... One possible drawback of the method is that, although it can limit the number of operating points to be found in the static Pareto front, the cost of finding each such point still depend[r] ... See full document

... Similar to the Sensor and Actuator component models in Figure 4, the Controller component model should be extended to implement the desired control law.. In this sec- tion, the Controlle[r] ... See full document

... em controle de pro- cessos, a apresentac¸˜ao dos termos e s´ımbolos recomendados pela ISA - todos, ali´as, de interesse para a pr´atica da engen- haria de controle e automac¸˜ao -, assim como uma selec¸˜ao ... See full document

... de controle linear, o que possibilita atender crit´erios espec´ıficos de desempenho dinˆamico para o sistema n˜ao linear origi- nal em uma regi˜ao de operac¸˜ao de interesse no espac¸o de estados, a partir de um ... See full document

... Neste artigo, obtemos a relação sinal-ruído ínfimo (SNR) necessário para a estabilizabilidade de um laço linear saída de realimentação ao longo de um canal de Gaussian aditivo branco ruído (AWGN) em forma fechada. O foco ... See full document

... & Automação” celebra os 25 anos da Sociedade Brasileira de ...a SBA se consolidou como instituição científica não apenas nas áreas de Controle, Automação e suas aplicações, mas também em ... See full document

... zone, as it is clear in Figure 14. Actually, the repulsion zone defines the limiting distance above which the obstacle does not cause any reaction, not the minimum distance the robot should keep between it and any ... See full document