scholarly journals Elevator speed control method based on wireless sensor network

2019 ◽  
Vol 2019 (22) ◽  
pp. 8400-8403 ◽  
Author(s):  
Xu-Tao Zhang ◽  
Jian-Hua Zhang ◽  
Ying Hu ◽  
Cheng-Long Dou
Keyword(s):  
Wireless Sensor Network ◽  
Sensor Network ◽  
Control Method ◽  
Speed Control ◽  
Wireless Sensor

Study on Navigation of Wireless Sensor Network Mobile Robot

2012 ◽  
Vol 591-593 ◽  
pp. 1682-1686
Author(s):  
Cang Rong Zhao ◽  
Miao Miao Zheng
Keyword(s):  
Wireless Sensor Network ◽  
Mobile Robot ◽  
Real Time ◽  
Sensor Network ◽  
Potential Field ◽  
Control Method ◽  
Wireless Sensor ◽  
Artificial Potential Field ◽  
Planning Problem ◽  
Localization Algorithm

For optimal design of mobile robot path planning problem, an improved artificial potential field control method is designed. Using infrared sensors and ultrasonic sensors to detect the surrounding environment will get the information of obstacles and goals. Proposed an adaptive real-time localization algorithm based on improved DV-Hop algorithm to realize real-time localization for wireless sensor network mobile robot. The improved artificial potential field adopted the improved potential function that ensured the goal is the global minimum so the mobile robot can reach the goal freely. The effectiveness and feasibility of the improved algorithm verified by simulation.

Fan Speed Control on Heat Detector Technique Using Zigbex Wireless Sensor Network

2012 ◽  
Vol 622-623 ◽  
pp. 1484-1491
Author(s):  
Murizah Kassim ◽  
Norakmar Arbain Sulaiman ◽  
Mohd Sukri Yang Razali
Keyword(s):  
Wireless Sensor Network ◽  
Sensor Network ◽  
Large Scale ◽  
Speed Control ◽  
Wireless Sensor ◽  
Road Tunnel ◽  
Sensors And Actuators ◽  
Heat Detector ◽  
Study Results ◽  
Fan Speed

this paper presented the study on fan speed control on heat detector technique using Zigbex wireless Sensor Network. The updated wireless application technology called Zigbex wireless sensor network (WSN) is used to simulate the system to control automatically the fan speed. The wireless sensor network will be based on the temperature warmth which reaches at a circumstances heat. This system could be used for the road tunnel fan control system. In wired road tunnel fan control, the system requires high cost installation fees for proper wiring for a large scale implementation. The used of Zigbex WSN platform is to substitute wired sensors and actuators. Measurement level of temperature that used to control the right amount of power could be supplied to the tunnel fan. A NesC program of TinyOS was used where two levels of output is controlled which are for 100%, and 50% duty cycle of Pulse Width Modulation (PWM) signal. Observation of the sensor node that can detect the change in temperature has also been highlighted in this study. Results obtained from the study indicated that Zigbex Wireless Sensor Network is a successful technique for controlling the fan speed on heat

A New Method for Prolonging Network Lifetime and Maintaining the Connectivity in Wireless Sensor Network Through Controlling the Transmission Power

2014 ◽  
Vol 5 (1) ◽  
pp. 1-14 ◽  
Author(s):  
Amira Bendjeddou ◽  
Nacira Ghoualmi ◽  
Congduc Pham
Keyword(s):  
Wireless Sensor Network ◽  
Sensor Network ◽  
Mobile Networks ◽  
Control Method ◽  
Wireless Sensor ◽  
Node Mobility ◽  
Transmission Power ◽  
Performance Improvements ◽  
Connectivity Information ◽  
Network Surveillance

Energy preservation constitutes a very critical challenge in wireless sensor network surveillance applications. On one hand, transmitting data by using additional transmission power is among the biggest sources of energy consumption. On the other hand, using a small transmission power degrades the connectivity between nodes. In this paper, a Distributed transmission Power Control Method (DPCM) to minimize the consumed energy is proposed. Moreover, it aims to keep a good connectivity between nodes. These purposes are accomplished by adjusting, dynamically, the transmission power taking into account the connectivity information of the neighbors at one and two-hop. Simulation experiences are carried out to measure the performance improvements of the presented method in both static and mobile networks by using Castalia simulator. According to the obtained results, the authors' method minimizes the consumed energy without penalizing the connectivity between nodes compared to DPCS and farthest neighbor methods. In addition, DPCM achieves good performances in spite of node mobility.

A Polling Control Protocol with Energy-Saving for Wireless Sensor Network

2013 ◽  
Vol 397-400 ◽  
pp. 2042-2047
Author(s):  
Min He ◽  
Li Yong Bao ◽  
Lei Deng
Keyword(s):  
Wireless Sensor Network ◽  
Sensor Network ◽  
Control Method ◽  
Sensor Nodes ◽  
Wireless Sensor ◽  
Sleeping Time ◽  
Control Protocol ◽  
Transfer Mode ◽  
Save Energy ◽  
Coordination Function

A polling control protocol for wireless sensor network (WSN), namely Sleeping controlled Point Coordination Function (S-PCF) was proposed based on IEEE 802.11 PCF and then the access control method of S-PCF was analyzed. In S-PCF, the center AP decides the sleeping time for every node so that it can synchronize the service with the nodes and maximize the sleeping time of each node to reduce the energy consumption coming from center APs empty polling and the idle listening of the active nodes in PCF. The single direction transfer mode was introduced to simplify the data transmission for the data acquisition environment and the number of the data frames subkinds was cut down so that the control can be lighten. Moreover, the transmission of the polling frame and data frame were also described in detail. Finally, the experimental results indicate that S-PCF can greatly save energy of idle nodes and extent the lifetime of wireless sensor nodes and the simulations also show that S-PCF can satisfy the system performance.

scholarly journals Dynamic Network Topology Control of Branch-Trimming Robot for Transmission Lines

Electronics ◽  
2019 ◽  
Vol 8 (5) ◽  
pp. 549 ◽  
Author(s):  
Man Wang ◽  
Gongping Wu ◽  
Fei Fan ◽  
Qiaoling Ji ◽  
Wenshan He ◽  
...  
Keyword(s):  
Wireless Sensor Network ◽  
Sensor Network ◽  
Network Topology ◽  
Transmission Lines ◽  
Topology Control ◽  
Network Performance ◽  
Control Method ◽  
Dynamic Network ◽  
Wireless Sensor ◽  
Multi Robot

With the development of engineering technology, the distributed design-based Branch-Trimming Robot (BTR) has been used to ensure the power supply security of transmission lines. However, it remains difficult to combine distributed BTRs with a wireless sensor network to build an efficient multi-robot system. To achieve this combination, a dynamic network topology control method was proposed, combining the motion characteristics of robots with the structure of a distributed wireless sensor network. In addition, a topology-updating mechanism based on node signal strength was adopted as well. To achieve efficient data transmission for distributed multi-robot systems, the present study focused on the design of a distributed network model and a dynamic network topology control strategy. Several simulation and test scenarios were implemented, and the changes of network performance under different parameters were studied. Furthermore, the real scene-based dynamic topology control method considers the relationship between network performance and antenna layout.

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