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A data acquisition system of three-axis integrative fiber optic gyroscope is studied and implemented in this paper. The hardware platform of the system is composed by 32-bit fixed-point digital signal processor TMS320F2812 and high-precision ADC is used to acquire the signals of optical fiber gyroscope in three orthogonal axises. The designs of the system hardware and corresponding software, including...
A low-cost single-axis temperature controlled turntable for detecting full-scale-temperature performance of FOG was developed. The eccentric shaft rotation mechanism was employed to achieve the turntable a periodic sinusoidal angular velocity swing. The turntable control system was developed using the microcontroller as the core, and the system had the functions of real-time temperature detection,...
In this paper, a simple variable integral gain PI controller for a single-phase Inverter is presented. The controller is based on a conventional PI by adding a rule of Fuzzy Logic Control (FLC), the complete mathematical model is derived. Compared with the conventional PI controller, the integral gain of the proposed controller can be adjusted online. The efficacy and feasibility of the proposed methods...
This paper presents a real-time H.264/AVC baseline profile video encoder. The encoder hardware is implemented using a cost-effective, low-power ADI Blackin-561 DSP and related peripherals for real-time video capturing, coding and streaming. The encoder software is developed using a two-stage pipelining framework for efficient parallel video data encoding. A synchronization mechanism with shared memory...
IP cameras are key devices for a video surveillance system. This paper introduces a cost effective, power efficient and low profile IP camera. The camera consists of a video preprocessing unit, an H.264 encoder, and an embedded streaming server. The video preprocessing unit is used for video data acquisition and format conversion; the H.264 encoder compresses the preprocessed data with H.264 baseline...
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