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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.

Mechanical Efficiency of Real Machines

Mechanical Efficiency of Real Machines

The mechanical efficiency of a machine is a fundamental concept that describes how effectively a machine can convert input work into output work. According to this concept, the efficiency of a machine is equal to the ratio of the output work to the input work. An ideal machine, meaning a machine that has no energy losses, has an efficiency of one. This implies that the input work and the output work are equal.
However, in reality, no machine can be truly ideal, and all of them experience some...

Mechanical Systems

Mechanical Systems

Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically described...

Sequence Networks of Rotating Machines

Sequence Networks of Rotating Machines

A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...

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Design and Implementation of a Bespoke Robotic Manipulator for Extra-corporeal Ultrasound

Design and Implementation of a Bespoke Robotic Manipulator for Extra-corporeal Ultrasound

Published on: January 7, 2019

Rossum's universal robots: not the machines.

Michael E Moran¹

¹Medical and Surgical Specialists, Naples, Florida 34119, USA. memoran2@juno.com

Journal of Endourology

|January 12, 2008

Summary

This summary is machine-generated.

The term "robot" initially described artificial biological beings created for servitude, not mechanical constructs. This original meaning contrasts with modern definitions and the da Vinci Surgical System.

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Area of Science:

The study delves into the etymology and conceptual evolution of the term "robot."
It examines the philosophical and societal implications of artificial life and automation.

Background:

Karel Capek's 1920 play, Rossum's Universal Robots (R.U.R.), introduced the term "robot" to describe artificial biological humanoids.
Capek's robots were chemically synthesized life forms, not mechanical machines, created for labor.

Discussion:

The investigation contrasts Capek's original concept of biological robots with the modern, machine-based definition.
It explores the historical context and societal anxieties surrounding automation and artificial intelligence.
The play's narrative foreshadows themes of artificial life revolt and existential threats.

Key Insights:

The original "robot" was a biological entity designed for servitude, diverging significantly from contemporary mechanical interpretations.
Capek's work provides a foundational understanding of the term's initial intent, predating modern robotics.
The definition of a robot has evolved from biological constructs to programmable mechanical devices.

Outlook:

Understanding the origin of the term "robot" is crucial for contemporary discussions on artificial intelligence and automation.
The study highlights the enduring relevance of Capek's R.U.R. in exploring humanity's relationship with artificial creations.
Future discourse should consider the semantic shifts in defining "robots" as technology advances.