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Related Concept Videos

Mechanical Systems01:22

Mechanical Systems

247
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...
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PD Controller: Design01:26

PD Controller: Design

298
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
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Fluid Movement Between Compartments01:18

Fluid Movement Between Compartments

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The force applied by fluids against a surface, known as hydrostatic pressure, initiates the transfer of fluid among different compartments. Within our blood vessels, the blood's hydrostatic pressure is a result of the heart's pumping action. At the arteriolar end of capillaries, hydrostatic pressure (capillary blood pressure) exceeds the opposing colloid osmotic pressure created primarily by plasma proteins like albumin. This discrepancy in pressure propels plasma and nutrients from the...
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Electro-mechanical Systems01:19

Electro-mechanical Systems

1.0K
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
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Open and closed-loop control systems01:17

Open and closed-loop control systems

837
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
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Controller Configurations01:22

Controller Configurations

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Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
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Bioinspired Soft Robot with Incorporated Microelectrodes
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Human-Powered Master Controllers for Reconfigurable Fluidic Soft Robots.

Yunce Zhang1,2, Tao Wang1,2,3,4, Weidong He1

  • 1Ocean College, Zhejiang University, Zhoushan, China.

Soft Robotics
|May 17, 2023
PubMed
Summary
This summary is machine-generated.

Portable human-powered controllers offer a novel solution for fluidic soft robots, eliminating bulky electronics and complex systems. This enables simpler, more versatile control for applications in confined or sensitive environments.

Keywords:
human-poweredmaster controllermaster-slave controlreconfigurable fluidic soft robots

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Area of Science:

  • Robotics
  • Mechanical Engineering
  • Control Systems

Background:

  • Fluidic soft robots offer compliance and adaptability but are hindered by complex, bulky control systems and power devices.
  • Current limitations restrict their use in confined spaces, energy-scarce environments, or electromagnetic-sensitive situations.

Purpose of the Study:

  • To develop portable, human-powered master controllers for fluidic soft robots.
  • To provide an alternative master-slave control solution overcoming existing limitations.

Main Methods:

  • Designed modular, human-powered master controllers capable of supplying multiple fluidic pressures simultaneously.
  • Utilized modular fluidic soft actuators to create reconfigurable soft robots with diverse functionalities.

Main Results:

  • Demonstrated simple realization of flexible manipulation and bionic locomotion using the human-powered controllers.
  • Experimental results confirmed the effectiveness of the developed control system.

Conclusions:

  • The human-powered controllers eliminate the need for energy storage and electronic components, offering a promising control solution.
  • This technology is suitable for soft robot applications in surgery, industry, and entertainment.