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Related Concept Videos

Machines01:19

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 I01:22

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...
Mechanical Efficiency of Real Machines01:14

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...
Machines: Problem Solving II01:30

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.
Simplified Synchronous Machine Model01:30

Simplified Synchronous Machine Model

The Synchronous Machine Model is a fundamental tool in analyzing and ensuring the transient stability of power systems. This model simplifies the representation of a synchronous machine under balanced three-phase positive-sequence conditions, assuming constant excitation and ignoring losses and saturation. The model is pivotal for understanding the behavior of synchronous generators connected to a power grid, particularly during transient events.
In this model, each generator is connected to a...
Mechanical Systems01:22

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...

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Related Experiment Video

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Simulation of a Scaled Assembly Process with Collaboration of a Robotic Arm and Monitoring through a Vision System for Quality Control
05:47

Simulation of a Scaled Assembly Process with Collaboration of a Robotic Arm and Monitoring through a Vision System for Quality Control

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Machine wanting.

Daniel W McShea1

  • 1Dept. of Biology, Duke University, Box 90338, Durham, NC 27708-0338, USA.

Studies in History and Philosophy of Biological and Biomedical Sciences
|June 25, 2013
PubMed
Summary

Pure logic cannot create wants or goals, meaning machines won't be truly goal-directed. Simulating human behavior requires understanding physical goal-directed systems, potentially needing new hardware for true motivation.

Area of Science:

  • Cognitive Science
  • Neuroscience
  • Artificial Intelligence

Background:

  • Wants, preferences, and cares are physical, not abstract, precluding purely logical derivation.
  • Pure logic machines lack intrinsic motivation and goal-directed behavior.
  • Simulating human-like interactions necessitates understanding the physical basis of goal-directed systems.

Purpose of the Study:

  • To propose a physical model for goal-directed systems.
  • To explore the implications for simulating human-like motivation in machines.
  • To investigate the necessity of physical containment for goal-directedness.

Main Methods:

  • Conceptual analysis of goal-directed systems.
  • Argumentation based on the physical nature of wants and preferences.
Keywords:
Artificial intelligenceEmotionGoal-directednessPurposeRobotTeleology

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  • Theoretical modeling of nested structures in goal-directed systems.
  • Main Results:

    • Goal-directed systems possess a nested structure: a contained entity within a driving field.
    • This structure allows for both directed movement and independent deviation, characteristic of goal pursuit.
    • Human want-driven behavior likely involves a mechanism within a neural field.

    Conclusions:

    • Standard computational systems might simulate goal-directedness via virtual containment.
    • Physical containment may offer superior performance for goal-directed systems.
    • New hardware may be required to achieve true physical containment and robust goal-directed behavior.