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Related Concept Videos

Machines01:19

Machines

413
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...
413
Machines: Problem Solving II01:30

Machines: Problem Solving II

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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.
477
Machines: Problem Solving I01:22

Machines: Problem Solving I

509
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...
509
Mechanical Systems01:22

Mechanical Systems

379
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...
379
Mechanical Efficiency of Real Machines01:14

Mechanical Efficiency of Real Machines

972
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...
972

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The jig is up for small soft machines.

Ramses V Martinez1,2

  • 1School of Industrial Engineering, Purdue University, 315 N. Grant Street, West Lafayette, IN 47907, USA.

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|May 27, 2021
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Summary

This study introduces novel soft machines inspired by watchmaking precision. These small, agile devices demonstrate new possibilities in micro-robotics and adaptable material science.

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Area of Science:

  • Robotics
  • Materials Science
  • Mechanical Engineering

Background:

  • Traditional micro-robotic systems often face limitations in dexterity and adaptability.
  • The development of soft, compliant machines offers potential for enhanced interaction with complex environments.

Purpose of the Study:

  • To explore a watchmaking-inspired methodology for fabricating small, agile soft machines.
  • To demonstrate the capabilities of these novel soft robotic systems.

Main Methods:

  • Utilized precision engineering techniques adapted from horology (watchmaking).
  • Employed novel fabrication processes for creating compliant robotic components.
  • Integrated micro-actuation and control systems.

Main Results:

  • Successfully developed miniature soft machines exhibiting high agility and responsiveness.
  • Demonstrated precise movements and adaptability in various simulated environments.
  • Validated the efficacy of the watchmaking approach for soft machine fabrication.

Conclusions:

  • A watchmaker's meticulous approach is effective for creating advanced small, agile soft machines.
  • This methodology opens new avenues for the design and application of soft robotics.