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Machines

Machines

Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
A free-body diagram of the...

Machines: Problem Solving I

Machines: Problem Solving I

A toggle clamp is a mechanical device commonly used for holding and clamping objects in various applications, such as woodworking, metalworking, and assembly operations. Consider a toggle clamp subjected to a force of 200 N at the handle. The vertical clamping force can be calculated, provided the dimensions of the toggle clamp are known.
The toggle clamp system is a machine structure consisting of movable, pin-connected multi-force members that form a stabilized system to transmit forces. The...

Machines: Problem Solving II

Machines: Problem Solving II

Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. Consider a lifting tong carrying a 100 kg load. It comprises movable sections DAF and CBG linked together with member AB.

Multi-input and Multi-variable systems

Multi-input and Multi-variable systems

Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...

Multimachine Stability

Multimachine Stability

Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:

Parallel Processing

Parallel Processing

The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...

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Multis: una nueva clase de computadoras multiprocesador.

Science (New York, N.Y.)

|April 26, 1985

Resumen

Este resumen es generado por máquina.

Los sistemas multiprocesador (multis) ofrecen un alto rendimiento y confiabilidad a un costo menor que los ordenadores tradicionales. Estos sistemas de procesamiento en paralelo proporcionan velocidades de supercomputadoras para aplicaciones científicas e ingenierías.

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Área de la Ciencia:

Ciencias de la computación Ciencias de la computación
La computación paralela es la computación paralela.

Sus antecedentes:

Los sistemas multiprocesador (multis) representan una nueva arquitectura informática que utiliza múltiples microprocesadores.
La integración de microprocesadores permite una mayor fabricación, rentabilidad y confiabilidad en comparación con las familias de computadoras convencionales.

Objetivo del estudio:

Introducir los sistemas multiprocesador (multis) como una nueva clase de computadoras.
Para resaltar las ventajas de las multis en términos de rendimiento, costo y confiabilidad.

Principales métodos:

Los multis comerciales generalmente comprenden de 4 a 28 módulos, incluidos microprocesadores, memoria compartida y dispositivos de E/S, interconectados a través de un bus.
Las escalas de rendimiento directamente con el número de microprocesadores y el costo.

Principales resultados:

Las multinacionales ofrecen un espectro de rendimiento desde minicomputadoras hasta mainframes.
Son adecuados para diversas aplicaciones, incluido el control industrial en tiempo real y el procesamiento de transacciones.
La computación paralela en multis acelera las tareas científicas y de ingeniería, logrando velocidades de supercomputadora a costos reducidos.

Conclusiones:

Las multis proporcionan una solución rentable para las necesidades de computación de alto rendimiento.
Estos sistemas están preparados para formar la base de la quinta generación de computadoras, caracterizadas por el procesamiento en paralelo.