Accuracy self-adapting continuous complicated wave form synthesis method

A synthesis method and waveform synthesis technology, applied to controllers with pulse train output signals, electric controllers, etc., can solve the problems of waveform amplitude, cycle, phase cannot be flexibly controlled, waveform distortion, etc., to improve control accuracy and efficiency, the effect of convenient vibration control

Inactive Publication Date: 2008-12-31
HUAIYIN INSTITUTE OF TECHNOLOGY
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Problems solved by technology

At present, most of the synthesis algorithms for continuous frequency and accompanying controllable signals use digital signal processors to calculate the amplitude of each sample point in a timely manner, and then send them to the analog-to-digital converter for output. This method completes other tasks at the same time as the digital si

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  • Accuracy self-adapting continuous complicated wave form synthesis method
  • Accuracy self-adapting continuous complicated wave form synthesis method
  • Accuracy self-adapting continuous complicated wave form synthesis method

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[0015] The present invention will be further described below in conjunction with the drawings and embodiments.

[0016] The equipment of the synthesis method includes a computer, a universal serial interface chip Cy7c68013, a DSP chip TMS320C6713 and a Sigma-Delta decoding chip TLV320AIC23. The computer is connected to the DSP through its USB interface and the universal serial interface chip Cy7c68013, and the DSP is connected to the DSP through the universal serial buffer interface McBSP. Connect the decoder chip TLV320AIC23.

[0017] The synthesis method is: the host's control command is sent to Cy7c68013, Cy7c68013 triggers the DSP to generate an interrupt, the DSP receives the corresponding control command, starts the program that has been loaded into the DSP, and the program generates the waveform type and related parameters according to the host's needs. The adaptive method calculates the length of the buffer, generates the corresponding discrete waveform and puts it into th...

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Abstract

The invention discloses a precision self-adaptive continuous complex waveform synthesis method. The equipment of the synthesis method comprises a computer, a general serial interface chip Cy7c68013, a digital signal processor TMS320C6713 and a Sigma-Delta-based decoder chip TLV320AIC23; the computer is connected with a DSP by a USB interface and the general serial interface chip Cy7c68013; the DSP is connected with the decoder chip TLV320AIC23 by a general serial damping interface McBSP. By the precision self-adaptive control, the precision self-adaptive continuous complex waveform synthesis method of the invention can complete the waveform damping area length and waveform data synthesis by the participation of the Core of DSP only during the initialization process; furthermore, during the waveform signal generation period, the signal waveform can be continuously generated without the participation of the Core, thus greatly facilitating the vibration control and improving the control precision and efficiency.

Description

technical field [0001] The invention relates to the technical field of automatic digital waveform synthesis, in particular to a precision adaptive continuous complex waveform synthesis method. Background technique [0002] In a dynamic test system, vibration control requires not only sine, sine frequency sweep, and transient frequency sweep signals, but also random signals, and even shock response reference spectrum signals synthesized by various waveforms calculated during the control process. At present, most of the synthesis algorithms for continuous frequency and accompanying controllable signals use digital signal processors to calculate the amplitude of each sample point in a timely manner, and then send them to the analog-to-digital converter for output. This method completes other tasks at the same time as the digital signal processor Sometimes the waveform distortion problem is caused because the data cannot be sent on time; there are also pre-generated waveform dat...

Claims

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Application Information

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IPC IPC(8): G05B11/26
Inventor 丁卫红赵建洋
Owner HUAIYIN INSTITUTE OF TECHNOLOGY
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