In this paper, slewing maneuver of a flexible spacecraft with large angle of rotation is considered and assuming structural frequency uncertainties a robust minimum-time optimal control law is developed. Considering typical bang-bang control commands with multiple symmetrical switches, a parameter optimization procedure is introduced to find the control forces/torques. The constrained minimizat...

A closed-loop MIMO-OFDM transmitter can exploit channel knowledge using eigenbeamforming to create MN parallel channels, where M is the number of antennas at both ends and N is the number of OFDM tones. We find that the penalty due to a flat-frequency constraint, which forces each tone to convey the same amount of information, becomes negligible as M grows. We propose low-complexity bit-allocat...

A new channel assignment algorithm using a modiied Hoppeld neural network is proposed. The channel assignment problem is formulated as an energy minimization problem that is implemented by a modiied discrete Hoppeld network. Also a new technique to escape local minima is introduced. The interconnection weights between the neu-rons are designed in such a way that each neuron receives inhibitory ...

In design of a parallel resonant induction heating system, choosing a proper capacitancefor the resonant circuit is quite important. The capacitance affects the resonant frequency, outputpower, Q-factor, heating efficiency and power factor. In this paper, the role of equivalent seriesresistance (ESR) in the choice of capacitance is significantly recognized. Optimal value of resonancecapacitor i...

Constraint satisfaction is the core of a large number of problems, notably scheduling. Because of their potential for containing the combinatorial explosion problem in constraint satisfaction, local search methods have received a lot of attention in the last few years. The problem with these methods is that they can be trapped in local minima. GENET is a connectionist approach to constraint sat...

We consider Distributed Constraint Satisfaction Problems (DisCSP) when control of variables and constraints is distributed among a set of agents. This paper presents a distributed version of the centralized BackJumping algorithm, called the Dynamic Distributed BackJumping DDBJ algorithm. The advantage is twofold: DDBJ inherits the strength of synchronous algorithms that enables it to easily com...

Miniaturization trends in high-frequency electronics have led to accommodation challenges the integration of corresponding components. Size reduction thereof has become a practical necessity. At same time, increasing performance demands imposed on electronic systems remain conflict with component miniaturization. On side, related handling design constraints are aggravated by high cost system ev...

Constraint Logic Programming (CLP) is a very active research area. One reason being that nite domain CLP systems have been successfully applied to various combinatorial optimization problems such as time tabling, scheduling, frequency allocation, manpower planning, production planning. State of the art nite domain CLP languages o er programming constructs that gives access to the state of the c...