Xianqiang Bao

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Robotically controlled steerable guidewire navigation systems has been paid much attention to, because it can allow the surgeons to be released from radiation and heavy radiation protection garments, reduce radiation exposure, increase precision and stability of motion, and add operator comfort. The aim of the study was to improve the precision of axial(More)
As more and more individuals have multiple computing devices, how to maintain the consistency of user files stored on multiple devices becomes a challenge. Cloud-based file synchronization services (FSS), e.g., Dropbox and iFolder, are promising approaches. However, we haven’t seen any public documents discussing the consistency protocol, which plays a(More)
NoSQL (Not only SQL) data stores become a vital component in many big data computing platforms due to its inherent horizontal scalability. HBase is an open-source distributed NoSQL store that is widely used by many Internet enterprises to handle their big data computing applications (e.g. Facebook handles millions of messages each day with HBase).(More)
Many popular web service networks are content-rich in terms of heterogeneous types of entities and links, associated with incomplete attributes. Clustering such heterogeneous service networks demands new clustering techniques that can handle two heterogeneity challenges: (1) multiple types of entities co-exist in the same service network with multiple(More)
NoSQL systems have become the vital components to deliver big data services in the Cloud. However, existing NoSQL systems rely on experienced administrators to configure and tune the wide range of configurable parameters in order to achieve high performance. In this paper, we present a policy-driven configuration management system for NoSQL systems, called(More)
Recently, robotics and computing technology plays an increasing important role in the evolution of modern vascular interventional surgery (VIS). During operation procedure, thrust force and torque that surgeon applied to catheter is one of the most significant information for statistical analysis of surgery procedure and robotic assisting surgery system.(More)
Information exchanges and cooperative movements of multiple robots have become a hot topic in robotics. To increase the adaptability of robots in amphibious scenarios, an improved amphibious spherical robot was designed in this paper. However, the ability of single robot was limited. To further increase the sensing range and work efficiency of own(More)
The interventional surgery is a type of minimally invasive operation which can reduce hospitalization time and greatly decrease patient morbidity compared to traditional methods. In previous work, the interventional operation robot was developed to send catheter or guidewire. The master side was a Phantom device and the PID control was used through upper(More)
In the interventional surgery, the catheter guide wire advancing and position accuracy is very important for the success rate and safety of the operation. In our newly developed vascular intervention surgery robot system, the slide unit of catheter and guide wire which provide the movement has a very big improvement space. In this paper, we proposed a(More)