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It is researched that the porting of the embedded real-time operating system μC/OS- II to the DSP based system and the bootloader. The difficulties of porting and bootloader are resolved, and the porting system is scaled. The porting and the bootloader have been implemented on a data acquisition minimum system based on TMS320VC5416. The system runs stably, and meets with the design requirements.
This paper introduces a wearable microphone array system designed for health condition monitoring. In particular, the paper presents a novel wheeze signal detection method for wearable systems. The detection method is designed to operate at a sampling rate of 1000 Hz which is way below the typical sampling rate of 44 kHz for audio signals. The detection method is simple and involves only the estimation...
This paper presents the hardware and software approach to replacing the current analogue linear feedback system on the TCV Tokamak with a DSP based system to allow for non-linear control. After preliminary combination, over 120 control signals are reduced to 32 parameters which enter an array of 32 DSP processors each of which is passed the complete parameter set. Apart from data transfer and storage,...
Rotor flux oriented field orientation control of induction motor without a speed sensor has been the research topic for quite a few years because of various advantages. However, the estimation rotor flux in the low speed range is difficult and motor parameter dependent. The stator resistance variation can cause error in stator and rotor flux calculation especially in the low speed region. In this...
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