Automatic testing and calibration platform for time response characteristics of electric/magneto-rheological actuators
An automatic test, magnetorheological technology, applied in the research field of electro/magnetorheological actuators, can solve problems such as low efficiency, lack of systems, and increase labor costs, so as to improve efficiency, save labor costs, and save cumbersome effect of the process
Active Publication Date: 2019-12-06
HEFEI UNIV OF TECH
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Problems solved by technology
At present, the research on electric / magneto-rheological actuators at home and abroad is mainly to explore the mechanical response characteristics, and the research on the response time of electric / magneto-rheological actuators is mainly to study the control system or simply analyze the response time. Systematic research, and the current research on the time response characteristics of electric / magnetic rheology is generally to artificially screen the data and analyze the response time after the measured data, which increases the labor cost and is inefficient
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[0041] In this embodiment, an automatic test and calibration platform for the time response characteristics of an electric / magnetorheological actuator is composed of a hardware system, a data processing and storage system, and a response time analysis system; the hardware system is composed of an excitation output system and a signal acquisition system. It is composed of processing system and control and electric drive system; signal acquisition and processing system is composed of sensor system and signal conditioning system; control and electric drive system is composed of controller and electric drive.
[0042] Figure 1a Shown is an implementation case of the hardware system. The linear excitation output system 3 outputs linear displacement excitations with different frequencies, different amplitudes and different waveforms according to different requirements to an external linear electric / magnetorheological actuator 2 to simulate actual application scenarios In the excitation ...
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The invention discloses an automatic test and calibration platform for time response characteristics of an electro / magnetic rheology actuator. The platform is characterized by comprising a hardware system, a data processing and storage system and a response time analysis system, wherein the hardware system is composed of an excitation output system, a signal acquisition and processing system and acontrol and electric driving system which jointly perform testing on the relevant characteristics of the electric / magnetic rheology actuator and collect data; the data processing and storage system is used for converting the data collected by the hardware system into a visualization curve, the data are screened, the response time analysis system is used for analyzing the data screened by the dataprocessing and storage system, the response time of each unit and an entire control execution system are automatically calibrated and outputted, the analysis result is made to be more comprehensive and clear, automatic analysis of the response time is achieved through utilizing the sophisticated computer language, accuracy of the test result and calculation efficiency are greatly improved, and labor cost is saved.
Description
Technical field [0001] The present invention relates to the research of electric / magnetorheological actuators, in particular to an automatic test and calibration platform for the time response characteristics of electric / magnetorheological actuators. Background technique [0002] Electric / magnetorheological fluids (ER / MR) are smart materials that can produce reversible rheological effects within milliseconds under the action of electric / magnetic fields. Under the action of electric / magnetic field, stepless adjustment of ER / MR fluid viscosity can be realized. At present, devices based on electric / magnetorheological technology mainly include dampers, brakes, clutches, and hydraulic valves, etc., which have relatively large development prospects, and some have been applied in the fields of automobiles, fitness equipment, aerospace and defense industries. The application of electric / magnetorheological technology in certain fields, such as being used in energy absorbers or shock abso...
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IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 白先旭邓学才蔡飞龙沈升
Owner HEFEI UNIV OF TECH