Producto 6
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El documento describe una serie de eventos que ocurrieron alrededor de San Juan de Ulúa a diferentes niveles: locales, regionales, nacionales y mundiales.
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In the lands of corrupted elves - Breaking ELF software with Melkor fuzzer
(This presentation was shown as a support while giving some demos at BlackHat Arsenal 2014 in Las Vegas https://www.blackhat.com/us-14/arsenal.html#Hernandez)
Melkor is a hybrid fuzzer (mutation-based and generation-based). It mutates the existing data in an ELF sample given to create orcs (malformed ELFs), however, it doesn't change values randomly (dumb fuzzing), instead, it fuzzes certain metadata with semi-valid values through the use of fuzzing rules (knowledge base). Written in C, Melkor is a very intuitive and easy-to-use fuzzer to find functional (and security) bugs in ELF parsers.
Kota Thermal Training report by Abhishk mathur
A presentation in electrical engineering department for training in kota thermal power plant.
Give responses here
abhi92102@gmail.com
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AC Induction motor (IM) are used as actuators in many industrial processes. Although IMs are reliable, they are subjected to some undesirable stresses, causing faults resulting in failure. Monitoring of an IM is a fast emerging technology for the detection of initial faults. It avoids unexpected failure of an industrial process. Monitoring techniques can be classified as the conventional and the digital techniques.
1.1 PROTECTION SCHEME OF INDUCTION MOTOR
Classical monitoring techniques for three-phase IMs are generally provided by some combination of mechanical and electrical monitoring equipment. Mechanical forms of motor sensing are also limited in ability to detect electrical faults, such as stator insulation failures. In addition, the mechanical parts of the equipment can cause problems in the course of operation and can reduce the life and efficiency of a system.
It is well known that IM monitoring has been studied by many researchers and reviewed in a number of works. Reviews about various stator faults and their causes, and detection techniques, latest trends, and diagnosis methods supported by the artificial intelligence, the microprocessor, the computer and other techniques in monitoring unbalanced voltage inter turn faults, stator winding temperature and microcontroller based digital protectors have been recently studied subjects. In these, while one or two variables were considered together to protect the IMs, the variables of the motor were not considered altogether. Measurements of the voltages, currents, temperatures, and speed were achieved and transferred to the computer for final protection decision.
A programmable integrated circuit (PIC) based protection system has been introduced using Microprocessors and the solutions of various faults of the phase currents, the phase voltages, the speed, and the winding temperatures of an IM occurring in operation have been achieved with the help of the microcontroller, but these electrical parameters have not been displayed on a screen.
Nowadays, the most widely used area of programmable logic controller (PLC) is the control circuits of industrial automation systems. The PLC systems are equipped with special I/O units appropriate for direct usage in industrial automation systems. The input components, such as the pressure, the level, and the temperature sensors, can be directly connected to the input. The driver components of the control circuit such as contactors and solenoid valves can directly be connected to the output.
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In the lands of corrupted elves - Breaking ELF software with Melkor fuzzer
(This presentation was shown as a support while giving some demos at BlackHat Arsenal 2014 in Las Vegas https://www.blackhat.com/us-14/arsenal.html#Hernandez)
Melkor is a hybrid fuzzer (mutation-based and generation-based). It mutates the existing data in an ELF sample given to create orcs (malformed ELFs), however, it doesn't change values randomly (dumb fuzzing), instead, it fuzzes certain metadata with semi-valid values through the use of fuzzing rules (knowledge base). Written in C, Melkor is a very intuitive and easy-to-use fuzzer to find functional (and security) bugs in ELF parsers.
Kota Thermal Training report by Abhishk mathur
A presentation in electrical engineering department for training in kota thermal power plant.
Give responses here
abhi92102@gmail.com
Abhishek seminar
AC Induction motor (IM) are used as actuators in many industrial processes. Although IMs are reliable, they are subjected to some undesirable stresses, causing faults resulting in failure. Monitoring of an IM is a fast emerging technology for the detection of initial faults. It avoids unexpected failure of an industrial process. Monitoring techniques can be classified as the conventional and the digital techniques.
1.1 PROTECTION SCHEME OF INDUCTION MOTOR
Classical monitoring techniques for three-phase IMs are generally provided by some combination of mechanical and electrical monitoring equipment. Mechanical forms of motor sensing are also limited in ability to detect electrical faults, such as stator insulation failures. In addition, the mechanical parts of the equipment can cause problems in the course of operation and can reduce the life and efficiency of a system.
It is well known that IM monitoring has been studied by many researchers and reviewed in a number of works. Reviews about various stator faults and their causes, and detection techniques, latest trends, and diagnosis methods supported by the artificial intelligence, the microprocessor, the computer and other techniques in monitoring unbalanced voltage inter turn faults, stator winding temperature and microcontroller based digital protectors have been recently studied subjects. In these, while one or two variables were considered together to protect the IMs, the variables of the motor were not considered altogether. Measurements of the voltages, currents, temperatures, and speed were achieved and transferred to the computer for final protection decision.
A programmable integrated circuit (PIC) based protection system has been introduced using Microprocessors and the solutions of various faults of the phase currents, the phase voltages, the speed, and the winding temperatures of an IM occurring in operation have been achieved with the help of the microcontroller, but these electrical parameters have not been displayed on a screen.
Nowadays, the most widely used area of programmable logic controller (PLC) is the control circuits of industrial automation systems. The PLC systems are equipped with special I/O units appropriate for direct usage in industrial automation systems. The input components, such as the pressure, the level, and the temperature sensors, can be directly connected to the input. The driver components of the control circuit such as contactors and solenoid valves can directly be connected to the output.
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In the lands of corrupted elves - Breaking ELF software with Melkor fuzzer
In the lands of corrupted elves - Breaking ELF software with Melkor fuzzer
Bc unidad02-tarea02-sistema nervioso-8857246-miguel-zamora
Bc unidad02-tarea02-sistema nervioso-8857246-miguel-zamora
Producto 6
- 1. SERIE DE EVENTOS, LOCALES, REGIONALES,NACIONALES Y MUNDIALES ALREDEDOR DE SAN JUAN DE ULUA