Carbon Monoxide (CO) poisoning is a seamless and dangerous problem in steel mill's hot-process ar... more Carbon Monoxide (CO) poisoning is a seamless and dangerous problem in steel mill's hot-process areas where the dirty and hazardous environment offers unique challenges to any deployed gas detection system. Slow accumulation of the gas causes headaches, dizziness, nausea and confusion which are harmful for workers' safety and environmental protection. The gas detection solution needs to be wireless and instantly deployable, as the steel mill could not afford the down time to install shielded cables. This paper presents a CO poisoning prevention system based on a Wireless Sensor Network (WSN) which continuously detects the CO level in a restrained space like in steel mills and upon alarming conditions, automatically activates countermeasure system to lower the CO concentration level. This research also presents implementation of a WSN monitoring system connected to a customized actuator circuit which can switch the exhaust and alarm systems on and off autonomously.
Evolutionary synthesis of combinational digital circuits is a promising research area and many a ... more Evolutionary synthesis of combinational digital circuits is a promising research area and many a success has been achieved in this field. This paper presents a new technique for the synthesis of combinational circuits by using Cartesian Genetic Programming (CGP) and uniform NAND gate based templates. Using a uniform gate template implies an ease in the fabrication process but in some instances, the number of gates required may increase which can be optimized by CGP. The mutation operator has been used for achieving convergence. A 2-bit multiplier and 4-bit odd parity generator circuits have been evolved for experimentation and comparison to previous results. The results obtained are compared to earlier work done in the same field. Moreover, the relationship of evolution time (in terms of number of generations) to the population size has been established and analyzed.
Carbon Monoxide (CO) poisoning is a seamless and dangerous problem in steel mill's hot-process ar... more Carbon Monoxide (CO) poisoning is a seamless and dangerous problem in steel mill's hot-process areas where the dirty and hazardous environment offers unique challenges to any deployed gas detection system. Slow accumulation of the gas causes headaches, dizziness, nausea and confusion which are harmful for workers' safety and environmental protection. The gas detection solution needs to be wireless and instantly deployable, as the steel mill could not afford the down time to install shielded cables. This paper presents a CO poisoning prevention system based on a Wireless Sensor Network (WSN) which continuously detects the CO level in a restrained space like in steel mills and upon alarming conditions, automatically activates countermeasure system to lower the CO concentration level. This research also presents implementation of a WSN monitoring system connected to a customized actuator circuit which can switch the exhaust and alarm systems on and off autonomously.
Evolutionary synthesis of combinational digital circuits is a promising research area and many a ... more Evolutionary synthesis of combinational digital circuits is a promising research area and many a success has been achieved in this field. This paper presents a new technique for the synthesis of combinational circuits by using Cartesian Genetic Programming (CGP) and uniform NAND gate based templates. Using a uniform gate template implies an ease in the fabrication process but in some instances, the number of gates required may increase which can be optimized by CGP. The mutation operator has been used for achieving convergence. A 2-bit multiplier and 4-bit odd parity generator circuits have been evolved for experimentation and comparison to previous results. The results obtained are compared to earlier work done in the same field. Moreover, the relationship of evolution time (in terms of number of generations) to the population size has been established and analyzed.
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