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In this paper, an optimal control allocation strategy is presented for an eight in-wheel-motor independent drive electric vehicle/four double front wheel steering(8WD/4WS). The upper level controller consists of a speed following controller and two sliding mode controllers. The speed tracking controller obtains the desired longitudinal force by tracking the longitudinal speed. Two sliding mode controllers...
Recently, CPU and graphics processors have been increasing the degree of on-chip parallelism in order to combat the decrease in traditional Moore's Law scaling. As a result, these new processors are increasing their appetite for faster memory devices with higher bandwidth. Component manufacturers have resorted to disparate or hierarchical fast memory device architectures such as shared local memory...
In general, circuit switching (CS) NoCs suffer from path diversity and resource utilization problem. Combining Time-Division Multiplexing (TDM) and Space-Division-Multiplexing (SDM) CS NoCs can reasonably mitigate this problem by increasing the path diversity and improving sharing of sub-channel among multiple connections. In order to investigate and optimize TDM-SDM partitioning strategy, in this...
The TDM-based NoC is an attractive technique for providing QoS in on-chip communication. However, fast, dynamic and robust path and slot allocation is still a challenging task particularly for networks with high connection request rates. A centralized resource allocation approach is presented in this paper, which enables multipath multislot allocation in parallelism at run-time. With full structured...
In cooperative cognitive radio networks (CCRN), secondary users (SUs) relay data for primary users (PUs) for the redounding spectrum opportunity from PUs. Furthermore, financial and environmental considerations make the green communication as a new trend in the optimization of CCRN. In this paper, a new power and time allocation scheme is proposed for green CCRN. The problem of minimizing the overall...
Phase Change Memory (PCM) is a promising DRAM replacement in embedded systems due to its attractive characteristics such as extremely low leakage power, high storage density and good scalability. However, PCM's low endurance constrains its practical applications. In this paper, we propose a wear leveling aware dynamic stack to extend PCM's lifetime when it is adopted in embedded systems as main memory...
The Operating System scheduler is designed to allocate the CPU resources appropriately to all processes. The Linux Completely Fair Scheduler (CFS) design ensures fairness among tasks using the thread fair scheduling algorithm. This algorithm ensures allocation of resources based on the number of threads in the system and not within executing programs. Fairness issue of the CFS used in Linux kernel...
Page switching is a technique that increases the memory in microcontrollers without extending the address buses. This technique is widely used in the design of 8-bit MCUs. In this paper, we present an algorithm to reduce the overhead of page switching. To pursue small code size, we place the emphasis on the allocation of functions into suitable pages with a heuristic algorithm, thereby the cost-effective...
With rapid advances in multimedia and wireless network technologies, it is now feasible to provide live video streaming over wireless networks. However, since bandwidth is a scarce resource in wireless networks, it is important to design an adaptive bandwidth allocation scheme for video streams to make efficient use of wireless bandwidth. In this paper, we propose an adaptive bandwidth allocation...
Multi-core processors have changed the conventional hardware structure and require a rethinking of system scheduling and resource management to utilize them efficiently. However, current multi-core systems are still using conventional single-core memory scheduling. In this study, we investigate and evaluate traditional memory access scheduling techniques, and propose a core-aware memory scheduling...
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