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This paper presents an MVB signal capturer based on microcontrollers for metro train on-line health monitoring system. This signal capturer is of low cost and high power efficiency. The hardware of the on-board unit is built, and firmware for signal detection is designed.
This paper describes a successive and updated work of Revirt project which presents a virtual machine replay framework on Xen hyper visor. As both the commodity hardware and Xen hyper visor have been changed significantly since the first publication of Revirt, the initial implementation does not meet the needs of modern architecture any more. This paper presents an improved implementation of virtual...
The deterministic replay technology usually is used to reproduce non-deterministic failures, especially the concurrency failures which are hard to debug with cyclic-debugging techniques. Previous techniques either incur large overhead or require custom hardware extensions. They have also suffered from the interference with irrelevant processes. This paper introduces WDRVirt, a new software based replay...
This paper describes the design of a portable thermometer. The main contents include measurement schemes based on thermistor, hardware and software design, sensor calibration and data processing. System hardware design includes MSP430F47116 microcontroller as the core of the system, signal amplification and A/D conversion circuit design. Based on the hardware, through the software design and nonlinear...
The synchronization is a key point in measurement and control systems, which use technologies such as network communication, local computing and distributed objects. Modern industrial application is demanding the synchronization for higher precision, this paper analyzes a variety of synchronous time synchronization protocols used in the current industrial Ethernet applications, mean-while explains...
Computer architectural complexity is growing so dramatically that auto-tuning application's performance becomes an important approach to take full advantage of hardware's computational potential. In this paper we present a polyhedron model based approach to improve program performance by automatically finding a good sequence of loop optimizations for each program respectively. This approach performs...
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