Absolute-value-encoder simulation system based on synchronized serial interface signal
An absolute value encoder and synchronous serial technology, applied in the field of analog systems, can solve problems such as error codes, jumps, SSI signal acquisition and display spikes, etc., to reduce detection costs, ensure reliability, and facilitate software and hardware settings Effect
Pending Publication Date: 2017-05-17
ZHEJIANG UNIV
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Problems solved by technology
In the process of SSI signal acquisition, problems such as spikes, wrong codes, and jumps often appear in the SSI signal acquisition display, and it is difficult to accurately output regular SSI signals by relying on the SSI signal absolute value encoder controlled manually, so that the SSI signal acquisition Device problem reproduction and diagnosis
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[0016] The present invention will be further described below in conjunction with drawings and embodiments.
[0017] Such as figure 1 As shown, the present invention is an absolute value encoder simulation system based on a synchronous serial interface, including setting terminal host computer software and a synchronous serial interface absolute value encoder simulation board. Set the terminal host computer software to set the channel number, bit width, minimum value, maximum value and increment of the SSI signal to be output, and send these parameters to the synchronous serial interface absolute value encoder analog board through Bluetooth; synchronous serial interface The interface analog board receives and collects the SSI signal parameters sent by Bluetooth. After receiving the SSI clock signal sent by the external SSI collection device, it generates a sinusoidal output SSI signal according to these parameters, and passes through the two interfaces of DB9 and DB25 respectiv...
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The invention discloses an absolute-value-encoder simulation system based on a synchronized serial interface signal. The absolute-value-encoder simulation system comprises a setting terminal and an absolute-value-encoder simulation board card. The setting terminal searches the absolute-value-encoder simulation board card through Bluetooth and displays the absolute-value-encoder simulation board card in a device list; a user sets SSI signal parameters through the setting terminal, and sends the SSI signal parameters to the absolute-value-encoder simulation board card; the absolute-value-encoder simulation board card receives the parameters sent by the setting terminal, and an SSI signal is generated according to the parameters and output by a serial interface on the board card. The system simulates an absolute value encoder to output the reliable SSI signal, the SSI signal is used for solving the problem that the fault of an SSI signal collection device is difficult to be detected in actual production, and the detection cost of the SSI signal collection device is reduced.
Description
technical field [0001] The invention relates to a simulation system, more specifically to an absolute value encoder simulation system based on a synchronous serial interface signal. Background technique [0002] In today's industrial measurement and control field, the Synchronized Serial Interface (SSI) is widely used in various measurement devices due to its good anti-interference performance and long transmission distance, such as valve opening and hydraulic cylinder stroke. display etc. The collection of SSI signals has increasingly become an important link in industrial applications, and the reliability of the SSI signal collection device is the key to ensure that the SSI signals are accurately collected and displayed. [0003] At present, the acquisition sources of SSI signal acquisition devices mainly rely on various SSI signal absolute encoders, such as rotary absolute encoders and displacement absolute encoders. In the process of SSI signal acquisition, problems su...
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Login to View More IPC IPC(8): G01D5/249
CPCG01D5/2497
Inventor 陈积明陈杨史治国
Owner ZHEJIANG UNIV