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Guyu Zhang - IEEE Xplore Author Profile

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The harmonic drive (HD) of industrial robots often operates under nonstationary and time-varying speed conditions. The fault frequency of HDs under time-varying speed conditions is nonperiodic and random, and it is difficult to extract fault features from the current signal with the interference caused by time-varying conditions. Additionally, the impacts induced by long and short axes alternating...Show More
New Unmanned Ground Vehicle (UGV) navigation algorithms in coordinate-free and localization-free Wireless Sensor and Actuator Networks (WSANs) are presented. The algorithms are distributed and designed for multi-UGV multi-destination navigation in a sensor network environment. The proposed method eliminates possible multiplicity of destination nodes. A Leader Election Algorithm is used to uniquely...Show More
We present a distributed algorithm for the navigation of an Unmanned Ground Vehicle (UGV) towards a set of identified target nodes in coordinate-free and localization-free wireless sensor and actuator networks. The navigation algorithm proceeds in two phases: first, a node level is determined based on a hop distance from the target nodes, which is accomplished by the network nodes without the need...Show More
In this paper, we present an algorithm for navigating an unmanned ground vehicle (UGV) through coordinate-free Wireless Sensor and Actuator Networks. The navigation algorithm proceeds in two phases. In the first phase, for each node in the sensor network we compute a hop-level distance from the target node, which indicates the number of communication hops between the node and any destination nodes...Show More