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Multi-functional portable electric servo control loading device and loading method thereof

A technology of electric servo and loading device, which is applied in the testing of measuring devices, instruments, machines/structural components, etc., can solve the problems of static loading or cyclic loading, etc., and achieve the effect of light size, simple operation, and simple system operation.

Active Publication Date: 2014-04-30
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Commonly used electric cylinders can only perform monotonic loading under speed or torque control mode, and cannot perform static loading or cyclic loading under force control or displacement control

Method used

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  • Multi-functional portable electric servo control loading device and loading method thereof
  • Multi-functional portable electric servo control loading device and loading method thereof
  • Multi-functional portable electric servo control loading device and loading method thereof

Examples

Experimental program
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Effect test

Embodiment Construction

[0036] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0037] Such as figure 1 As shown, the multifunctional portable electric servo control loading device of the present invention includes a computer control system 1, a servo controller 2, a loading actuator 3, a control quantity feedback sensor 4 and a measurement quantity sensor 5;

[0038] The computer control system 1 includes a waveform generating device, a data acquisition device and a corresponding control program, and the computer system 1 is used to send control instructions to the servo controller 2 and collect and record test data;

[0039] The servo controller 2 is used to realize force or displacement control, the servo controller 2 adopts PID control, and the servo controller 2 is integrated with a control mode switching device, a DC regulating device and a signal regulating device for applying a static load The control mo...

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PUM

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Abstract

The invention discloses a multi-functional portable electric servo control loading device and a loading method thereof. The loading device comprises a computer control system, a servo controller, a loading execution mechanism and a control quantity feedback and measurement sensor. The computer control system comprises a waveform generating device, a data acquisition device and relevant control programs. The servo controller is used for realizing force or shift control, and a control mode conversion device, a signal regulating device and a DC regulating device for applying a static load are integrated in the servo controller. The loading control mode conversion device is used for realizing the stable conversion of the control modes of the loading execution mechanism. The DC regulating device is used for realizing static loading. The signal regulating device is used for filtering and amplifying feedback and measured signals. The loading device has the advantages of simple structure, small size, light weight, low energy consumption and no noise, and is simple to operate and maintain. With the loading method, static loading, regular and irregular circulation loading, data graphic display and data acquisition record can be realized under force or shift servo control.

Description

technical field [0001] The invention relates to a multifunctional portable electric servo control loading device and a loading method thereof, which can be used for model tests in civil engineering, water conservancy and marine engineering, and can complete static loading or regular and irregular loading of model tests under force or displacement control. Regular low frequency loop loading. At the same time, it can also be applied to the loading of geotechnical static, dynamic triaxial, static, dynamic single shear and other test instruments. Background technique [0002] In civil engineering, water conservancy and marine engineering, it is often necessary to carry out model tests of structural mechanical properties under static load or cyclic load under force or displacement control. The loading device and its loading method are the necessary prerequisites for completing the model test. Electric or electro-hydraulic servo-controlled loading devices are commonly used at pre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M99/00
Inventor 王建华刘晶磊杨洋
Owner TIANJIN UNIV
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