Search Results - "Xian, Changjiu"

Dynamic Voltage Scaling for Multitasking Real-Time Systems With Uncertain Execution Time by Xian, Changjiu, Lu, Yung-Hsiang, Li, Zhiyuan

“…Dynamic voltage and frequency scaling can save energy for real-time systems. Frequencies are generally assumed proportional to voltages. Previous studies…”
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Power Measurement of Software Programs on Computers With Multiple I/O Components by Xian, Changjiu, Cai, Le, Lu, Yung-Hsiang

“…This paper presents a tool to measure the power consumption of software programs running on computers with multiple input and output (I/O) components, such as…”
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A programming environment with runtime energy characterization for energy-aware applications by Changjiu Xian, Yung-Hsiang Lu, Zhiyuan Li

“…System-level power management has been studied extensively. For further energy reduction, the collaboration from user applications becomes critical. This paper…”
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Energy Reduction by Workload Adaptation in a Multi-Process Environment by Changjiu Xian, Yung-Hsiang Lu

“…Reducing energy consumption is an important issue in modern computers. Dynamic power management (DPM) has been extensively studied in recent years. One…”
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Energy-aware scheduling for real-time multiprocessor systems with uncertain task execution time by Xian, Changjiu, Lu, Yung-Hsiang, Li, Zhiyuan

“…This paper presents an energy-aware method to schedule multiple real-time tasks in multiprocessor systems that support dynamic voltage scaling (DVS). The key…”
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Replacing Failed Sensor Nodes by Mobile Robots by Yongguo Mei, Changjiu Xian, Das, S., Hu, Y.C., Yung-Hsiang Lu

“…Sensor replacement is important for sensor networks to provide continuous sensing services. Existing approaches relocate redundant nodes to fill the holes…”
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Sensor replacement using mobile robots by Mei, Yongguo, Xian, Changjiu, Das, Saumitra, Hu, Y. Charlie, Lu, Yung-Hsiang

“…Sensor replacement is important for sensor networks to provide continuous sensing services. Upon sensor node failures, holes (uncovered areas) may appear in…”
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Adaptive computation offloading for energy conservation on battery-powered systems by Changj Xian, Yung-Hsiang Lu, Zhiyuan Li

“…This paper considers the problem of extending the battery lifetime for a portable computer by off loading its computation to a server. Depending on the inputs,…”
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Collaborative power management between operating systems and applications by Xian, Changjiu

“…Power consumption is an important design constraint for computers. Many power management policies have been studied in operating systems (OSs). These policies…”
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Sensor replacement using mobile robots : Sensor-actuated networks by YONGGUO MEI, CHANGJIU XIAN, DAS, Saumitra, HU, Y. Charlie, LU, Yung-Hsiang

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Collaborative power management between operating systems and applications by Xian, Changjiu

“…Power consumption is an important design constraint for computers. Many power management policies have been studied in operating systems (OSs). These policies…”
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Compressional waves guided between parallel fractures: Application of geophysics to rock engineering by CHANGJIU XIAN, NOLTE, D. D, PYRAK-NOLTE, L. J

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Compressional waves guided between parallel fractures by Xian, Changjiu, Nolte, D.D, Pyrak-Nolte, L.J

“…We have performed experiments on the laboratory scale to image seismic wavefronts of compressional waves that are guided between parallel fractures. The…”
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Energy-Effcient Scheduling for Autonomous Mobile Robots by Brateman, J., Changjiu Xian, Yung-Hsiang Lu

“…An autonomous robot has to sense its environment and prevent collision. Stereovision is a widely used technology for distance calculation and collision…”
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