Abstract
In this paper, the lord magnetic field of MRF and its circuit design are mainly expounded, according to the loading ways of magnetic field and the magnetic circuit design plans of magneto-rheological fluid devices at present, the general form and characteristics are summarized. In addition, a kind of magneto-rheological fluid dynamometer is proposed in this paper, in terms of its magnetic circuit structure, a magnetic-field-lord test bench about magnetorheological fluid is designed; a preliminary theoretical research is also given in order to improve the performance of magneto-rheological fluid dynamometer.
Highlights
As a new intelligent material, magneto-rheological fluid can change itself into so called “similar solid” instantaneously as long as a magnetic field is applied on it, the magnetic field is a key factor to ensure the normal work of magneto-rheological fluid and the research of magnetic field which is applied on MRF is important
Under the condition of the normal work of magneto-rheological fluid, the magnetic field surrounding the MRF should be distributed as uniform as possible, in order to guarantee the stability of MRF during working time
For the reason that the researches of magnetic field and its circuit design play a pivotal role in MRF development, and the important research value of MRF itself, according to the domestic and foreign research results on magnetic circuit of magneto-rheological fluid devices, this paper mainly carries on the induction analysis for MRF magnetic field and its circuit
Summary
As a new intelligent material, magneto-rheological fluid can change itself into so called “similar solid” instantaneously as long as a magnetic field is applied on it, the magnetic field is a key factor to ensure the normal work of magneto-rheological fluid and the research of magnetic field which is applied on MRF is important. The magnetic field should cover all the MRF participate in the work, the condition that some magneto-rheological fluid have no magnetic field applied on is not allowed. For the reason that the researches of magnetic field and its circuit design play a pivotal role in MRF development, and the important research value of MRF itself, according to the domestic and foreign research results on magnetic circuit of magneto-rheological fluid devices, this paper mainly carries on the induction analysis for MRF magnetic field and its circuit
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