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Field programmable gate array (FPGA) control system development platform

A development platform and control system technology, applied in the direction of electric controllers, controllers with specific characteristics, etc., can solve the problems of no mature control system rapid development platform, etc., to achieve convenient and rapid modeling, and parallel processing capability improvement, speed Improved effect

Inactive Publication Date: 2012-07-18
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Compared with the first two platforms, FPGA has not yet matured a rapid development platform for control systems.

Method used

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  • Field programmable gate array (FPGA) control system development platform
  • Field programmable gate array (FPGA) control system development platform
  • Field programmable gate array (FPGA) control system development platform

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Experimental program
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Effect test

specific Embodiment approach

[0035] The present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

Embodiment

[0037] An FPGA control system development platform provides a digital control system module library, including a digital PID module, a pulse width modulation module PWM, and a quadrature decoder module.

[0038] like figure 1 , figure 2 As shown, the digital PID module is composed of an adder, a delayer and a multiplier.

[0039] The PID module is a digital PID module or an incremental PID module.

[0040] The control circuit of the digital PID module is:

[0041] .

[0042] The control circuit of the incremental PID module is:

[0043] .

[0044] like image 3 As shown, the digital pulse width modulation module PWM is composed of a counter, a shifter, and a comparator.

[0045] like Figure 4 As shown, the quadrature decoder is composed of a filter circuit, a decoder, and a speed calculation circuit.

[0046] like Figure 5 Shown is the package diagram of the circuit module Matlab / Simulink; Image 6 Shown is the design process recommended by the present invent...

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Abstract

The invention relates to the field of designing of electronic control systems and provides a field programmable gate array (FPGA) control system development platform. The platform comprises a proportion integration differentiation (PID) feedback control module, a digital pulse width modulation (PWM) module and a quadrature decoder module, wherein a quadrature decoder converts a received signal into a displacement and speed pulse signal; the PID feedback control module adjusts an error between the received pulse signal and reference input to acquire a control signal; and the digital PWM moduleconverts the control signal into a pulse wave and adjusts an electromechanical system. In a Matlab / Simulink environment, a user can quickly select an element in a submodule library as an electronic control system and combine the conventional rich electromechanical modeling resources of Simulink to perform united simulation. The development platform can be directly compiled, configured and downloaded into an FPGA controller after the simulation succeeds.

Description

technical field [0001] The invention relates to the field of electronic control system design, in particular to an FPGA control system development platform. Background technique [0002] The rapid development of modern industry puts forward new requirements for the control system. In many industrial fields, such as robotic systems, aerospace devices, military control systems and other automatic control fields, more compact, more efficient, and customizable controllers are required. [0003] Most of the existing controllers are based on two platforms: PC or embedded system. For the latter, most controllers are (Advanced Reduced Instruction Set Computer) ARM microcontrollers, or digital signal processors (DSP). The system is generally controlled by software programming, and the communication with the electromechanical system is realized by peripheral circuits. For this type of control method, the control signal is prone to problems due to the multi-layer transmission of app...

Claims

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Application Information

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IPC IPC(8): G05B11/42
Inventor 李啸隽李琳邹炎飚
Owner SOUTH CHINA UNIV OF TECH
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