ReactPRED is available at: https://sourceforge.net/projects/reactpred/ CONTACT: anirban.b@samsung.com or ty76.kim@samsung.comSupplementary information: Supplementary data are available at Bioinformatics online.

Supplementary data are available at Bioinformatics online.

AC voltage controllers are used as induction motor starters in fan or pump drives and the crane hoist drives. This paper presents a method of identifying the end of soft start of an ac voltage-controller-fed induction motor (IM) drive based on the voltage across the nonconducting thyristor through a dynamic simulation of the whole drive system. A two point current minimization technique is adopted to operate the drive system at the required optimal voltage under all operating conditions. This minimizes the motor losses. Graphic modeling of the whole drive system is done in a modular format using Design Star and dynamic simulation is done using SABER. The dynamic simulation results of the whole drive system are supported with experimental data.

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Now a days, in every communication channel there is a necessity of transmission of messages securely from sender to the authentic receiver. In recent years, for different information transfer systems, a number of data encryption techniques has been evolved. Several encryption approaches based on permutation have been proposed by various researchers. In this paper, for encrypting images, permutation and XOR operation with a key matrix which together fulfill the purpose of cipher is proposed. First the image is divided into blocks which are then shuffled among themselves using random numbers. Lagged Fibonacci Generator (LFG) is used to generate random numbers and further the random numbers are used as key stream for XOR operation. The proposed encryption method is simple and ensures the security of the encrypted images.