Control coil current differential feedback based controller for electromechanical transducer
A technology of control coil and differential feedback, applied in output power conversion devices, conversion equipment that can be converted to DC without intermediate conversion, AC power input converted to AC power output, etc., can solve the uncertainty of displacement estimation accuracy, Errors cannot be accurately determined, closed-loop control cannot be used, etc., to achieve the effect of improving dynamic response performance, dynamic performance optimization, and simple structure
Inactive Publication Date: 2012-07-25
方平
View PDF4 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, in the industrial field, the error between the displacement calculated by this estimation algorithm and the actual real-time displacement cannot be accurately determined, and there is uncertainty in the displacement estimation accuracy, so it cannot be used for high Closed-loop Control of Frequency-to-Mechanical Converter
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0020] The present invention will be further described below in conjunction with drawings and embodiments.
[0021] figure 1 As shown, the present invention mainly includes sampling resistor 6, differential circuit 4, ratio adjustment circuit 2, signal synthesis circuit 1 and power amplifier 3; described sampling resistor 6 and the input port of differential circuit 4, electrical-mechanical converter 5 The control coils are respectively connected, the output port of the differential circuit 4 is connected with the input port of the proportional adjustment circuit 2, the input control signal and the output port of the proportional adjustment circuit 2 are respectively connected with the input port of the signal synthesis circuit 1, and the output port of the signal synthesis circuit 1 It is connected with the input port of the power amplifier 3 , and the output port of the power amplifier 3 is connected with the control coil of the electro-mechanical converter 5 . The sampling...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
A control coil current differential feedback based controller for an electromechanical transducer mainly comprises a sampling resistor, a differential circuit, a proportional regulating circuit, a signal synthesis circuit and a power amplifier. The sampling resistor is respectively connected with an input port of the differential circuit and a control coil of the electromechanical transducer, an output port of the differential circuit is connected with an input port of the proportional regulating circuit, an input control signal and an output port of the proportional regulating circuit are respectively connected with an input port of the signal synthesis circuit, an output port of the signal synthesis circuit is connected with an input port of the power amplifier, and an output port of the power amplifier is connected with the control coil of the electromechanical transducer. The controller adopts a control coil current differential feedback method without intervention of a displacement sensor to realize closed-loop control of the electromechanical transducer. The controller has the advantages of convenience, simple structure, low cost, obvious effect and the like, and can be used for improving dynamic response performance of moving-iron electromechanical transducers of a switch type, a non-switch type and the like.
Description
technical field [0001] The invention relates to a controller of an electro-mechanical converter based on differential feedback of control coil current. Background technique [0002] Electro-mechanical converters have been widely used as actuators in industrial systems such as electro-hydraulic servos and electromechanical equipment. Improving their dynamic response performance is of great significance for improving the overall performance of the system. In addition to the study of new structures and new materials, a variety of control strategies and controllers have been applied to improve the dynamic response performance of electro-mechanical converters. [0003] In the driving of solenoid electromagnets, the method of increasing the driving current in the initial stage of excitation is often used, and the improved method of increasing the driving current in the initial stage of excitation such as multi-coil parallel connection instead of a single coil is often used to impr...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More IPC IPC(8): H02P13/00
Inventor 方平
Owner 方平