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As a new type of magnetic conductivity raw material, amorphous tape material has higher permeability and cost-effective economic benefits compared with traditional raw materials. It is widely used in the production and manufacturing industry of transformer magnetic core. Amorphous aluminum alloy with iron as the key element has the characteristics of high saturation magnetic induction and low loss.
Because of this characteristic, amorphous alloy raw materials have a wide indoor space in electronic devices, airlines, aerospace, mechanical equipment, electronic optics and other industries.
At this stage, with the development trend of electronic information technology towards high frequency and practicality, amorphous ultra nano microcrystalline soft magnetic alloy products have long become various devices with magnetic elements, replacing silicon steel, metallographic structure and permalloy, which are used in power industry, electronic device industrial production and power electronics technology as voltage transformer, power supply transformer Transformer, tubular reactor, filter, transformer, controller, etc. of inverter power supply and program control power transformer.
At this stage, the production, manufacturing and operation scale of amorphous hot rolled strip is very large, but except for some companies, most manufacturers choose Offline winding resistance, which will certainly reduce the productivity of amorphous hot rolled strip. Therefore, people will carry out scientific research and Analysis on the free online unwinding of amorphous ribbons, and draw a conclusion.
First of all, people must design the overall plan of free on-line winding resistance of amorphous hot rolled strip, take rare earth permanent magnet synchronous motor as the working motor, and master the vector control mode of rare earth permanent magnet synchronous motor. The physical specifications of each roll are calculated and defined, and the type of motor can be applied according to the provisions of load inertia matching and output power matching. The main parameter page selects MFC control module in visual C Design scheme in 0.
Secondly, the hardware design of the control circuit board according to DSP28335 is carried out, including the minimum system control module, communication control module and human-computer interaction technology control module. Software development is in Ccs3 3 compile the natural environment, including communication program flow, LCD driver installation and motor control program flow. The double closed-loop control of rate control loop and current control loop of rare earth permanent magnet synchronous motor is carried out. MFC is used to write the industrial touch screen of microcomputer to carry out on-line monitoring of motor operation.
Finally, the general composition and classification of the support force system software are introduced in detail, and the closed-loop control tension control mode of constant support force winding resistance is obtained. The mathematical analysis model of support force system software with rare earth permanent magnet synchronous motor as driving force component is established. The responsive robust control (ARC) computer algorithm based on the state equation is selected to support the control board of force loop and rate loop. The simulation results show that the design scheme is very reasonable.
The design scheme of the support force observer is carried out, and the simulation results show the effectiveness of the design scheme. In the MATLAB / Simulink control module, the free online winding system software is operated comprehensively, the rate curve of each motor is obtained, and the operation of each motor is analyzed, which is consistent with the simulation results.
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