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This paper proposed a multidimensional information monitoring method for a novel master-slave robotic vascular interventional system. We have designed a contact force sensor based on pressure sensitive rubber to transmit the force information to surgeon to improve the security during VIS (vascular interventional surgery). Furthermore, the motion information of catheter is also monitored in the information...
The micro-signal communication technology for the underwater vehicle is one of the important components of robot. With the rapid development of spherical amphibious robot, many high-tech scientific research institutions and universities around the world are studying the development and application of underwater robot. Recently, RF (radio frequency) has been widely adopted in the field for distant...
The capsule robot is one of important development direction in the field of wireless micro robot in-pipe and it is becoming a powerful tool for gastrointestinal tract inspection. In this paper, we proposed the symmetrical spiral micro robot with gravity compensation mechanism and then analysed the buoyancy and resistance of the robot in the fluid. Finally, we carried on the performance evaluation...
Vascular Interventional Surgery (VIS) is the common but conventional method to cure the vascular disease. Teleoperation, a promising surgery is used to protect the surgeon from X-ray radiation as well as to solve the problem of lacking experienced surgeons in remote rural areas. In this paper, a mathematical model of the damper has been built to get the relationship between the current of the coil...
The amphibious robot, which has favourable adaptability to the practical environment and good stability to move, is applied to a large number of areas such as rescue realm, mine countermeasures, pipeline inspections and underwater archaeology. In this paper, we present a novel amphibious spherical robot system, and the dynamic simulation is made by virtual prototyping technology. The design structure...
The dynamics research of folded-deployable suspension of a new planetary exploration robot is carried out. The first three-order natural frequency and vibration mode of planetary robot in folded and deployable states are obtained respectively by finite element simulation analysis; the robot's natural frequencies in folded and deployable states are achieved respectively through vertical and horizontal...
A reconfigurable microwave photonic filter based on a Brillouin-assisted narrowband rectangular optical amplifier with a constant gain and a linear phase response is proposed. The optical amplifier is achieved by a joint use of two independent Brillouin pumps.
The rolling reheating furnace is widely used in the large-scale iron and steel plant and the constantly changing dynamic characteristics and the interaction effect between different heating zones become challenges to operate a reheating furnace in an efficient way. In this paper, statistics analysis methods are utilized to justify the significance of the derived variables for the thermal efficiency...
In the case that the control system performance is detected in poor state, it is desirable that the underlying cause can be found and the information can be used for the adjustment and recovery. Developing a recursive two-stage identification (RTSID) algorithm and a recursive control performance assessment algorithm with kernel partial least square (KPLS), then integrating the proposed identification...
Dual active bridge phase shift converters have attracted a lot of research interest due to their excellent capabilities such as simplicity in structure and control and bidirectional power flow ability. They are employed in a wide range of renewable energy systems due to their distinguished features. Although there are lots of research on theoretical analysis and practical operation of these converters,...
As an important part of emergency relief supplies, supplies scheduling model for the optimization of the incident emergency rescue is the important premise, the paper introduces aid scheduling model and algorithm analysis, make corresponding model for the aid of dispatching work smoothly to provide more convenient and optimization.
Aimed at the need of fully-automatically control of agricultural control system, the distributed intelligent greenhouse computerized control system has been researched. It is composed of center computer and single-chip microprocessor as its control core. Based on artificial intelligence and expert system knowledge database, the greenhouse environmental factors are adjusted in time with the help of...
By introducing inter-satellite links (ISLs), global navigation satellite system (GNSS) can achieve inter-satellite ranging, which can enable autonomous navigation, and inter-satellite communication, which can enable the GNSS to form a global network. Due to the resource constraints of satellite platforms, only limited number of ISLs (e.g. only one ISL) can be equipped on one navigation satellite,...
A high efficiency concurrent dual-band class-F power amplifier (PA) is presented. The combination of the composite right/left-handed transmission line (CRLH-TL) and the dual-band biasing line with harmonic tuning is adopted to allow the design of compact dual-band class-F harmonic control networks. The measured maximum output power and peak power added efficiency (PAE) are 40.5 dBm and 78% at 1.7...
A novel technique to generate frequency quadrupling microwave signal is proposed and experimentally demonstrated based on a Brillouin-assisted optical notch filter (BAOF). The intensity modulated optical signal is firstly working at the maximum transmission point to suppress the first order sidebands. Microwave signals at the frequency corresponding to four times of the fundamental tone are successfully...
With the continuous development of cloud computing, bigger and bigger data processing run in the cloud computing environment. In generally, large companies or organizations have the demand of big data processing. However, these companies or organizations do not want to expose their business processes and data to third parties (Amazon, Google, etc.). The private cloud could meet their needs. In private...
A waveguide-to-suspended-stripline transition with DC/IF return path is proposed in this work. The DC/IF return path is fulfilled by directly connecting the end of the probe to the metallic wall of the waveguide. The dimensions of the probe, the input match suspended-stripline, and the reduced height waveguides are optimized to achieve broadband performance. The measured results of a Q-band waveguide-to-suspended-stripline...
In this paper, a high performance sub-harmonic mixer for W-band application using a low cost approach is developed. By flip-chip bonding a high performance schottky diode onto a separately fabricated passive circuit having a quartz substrate, a quasi-monolithic millimeter-wave integrated circuit (Q-MMIC) mixer is achieved. Compare to MMIC, the discrete device and passive circuitry of the Q-MMIC are...
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