Wireless sensor networks(WSN)are designed to monitor the physical properties of the target area.The received signal strength(RSS)plays a significant role in reducing sensor node power consumption during data transmiss...Wireless sensor networks(WSN)are designed to monitor the physical properties of the target area.The received signal strength(RSS)plays a significant role in reducing sensor node power consumption during data transmission.Proper utilization of RSS values with clustering is required to harvest the energy of each network node to prolong the network life span.This paper introduces the RSS-based energy-efficient selective clustering technique using a master node(RESCM)to improve energy utilization using a master node.The master node positioned at the center of the network area and base station(BS)is placed outside the network area.During cluster head(CH)selection,the node with a high RSS value is more likely to become CH.The network is divided into segments according to the distance from the master node.All nodes near BS or master node transmit their data using direct transmission without the clustering process.The simulation results showed that the RESCM method improves the total network lifespan effectively.展开更多
自动电压控制(Automatic Voltage Control,AVC)系统通过调度数据网双平面接入调度系统主站,支撑区域电网电压/无功控制的安全与稳定运行。文章介绍了AVC系统基本原理,及接入调度数据网基本组成,对AVC子站接入新一代调度系统主站及接入...自动电压控制(Automatic Voltage Control,AVC)系统通过调度数据网双平面接入调度系统主站,支撑区域电网电压/无功控制的安全与稳定运行。文章介绍了AVC系统基本原理,及接入调度数据网基本组成,对AVC子站接入新一代调度系统主站及接入调度数据网双平面策略优化进行了研究,并在抽蓄电站对该策略AVC子站指令模式切换与双主模式切换进行了现场试验,对提升区域电网电压/无功控制能力,强化调度系统安全与稳定建设具有重要意义。展开更多
基金The authors are grateful to the Raytheon Chair for Systems Engineering for funding.
文摘Wireless sensor networks(WSN)are designed to monitor the physical properties of the target area.The received signal strength(RSS)plays a significant role in reducing sensor node power consumption during data transmission.Proper utilization of RSS values with clustering is required to harvest the energy of each network node to prolong the network life span.This paper introduces the RSS-based energy-efficient selective clustering technique using a master node(RESCM)to improve energy utilization using a master node.The master node positioned at the center of the network area and base station(BS)is placed outside the network area.During cluster head(CH)selection,the node with a high RSS value is more likely to become CH.The network is divided into segments according to the distance from the master node.All nodes near BS or master node transmit their data using direct transmission without the clustering process.The simulation results showed that the RESCM method improves the total network lifespan effectively.
文摘自动电压控制(Automatic Voltage Control,AVC)系统通过调度数据网双平面接入调度系统主站,支撑区域电网电压/无功控制的安全与稳定运行。文章介绍了AVC系统基本原理,及接入调度数据网基本组成,对AVC子站接入新一代调度系统主站及接入调度数据网双平面策略优化进行了研究,并在抽蓄电站对该策略AVC子站指令模式切换与双主模式切换进行了现场试验,对提升区域电网电压/无功控制能力,强化调度系统安全与稳定建设具有重要意义。
