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This paper presents a radio transceiver architecture in mobile devices for coexistence of 4G-LTE and 5G systems, with fewer extra components and easier circuit implementations. The radio front-end is divided into two parts depending on the frequency bands, below 6 GHz or higher than 10 GHz even to millimeter-waves. Direct IQ modulation/demodulation blocks, baseband analog circuitries and frequency...
This paper presents the control strategies of switched reluctance machine (SRM) applied to EV traction for operations in generating mode. The proposed approach is capable of preventing the exciting current entering the ascending-inductance region so that the unwanted motoring action can be utterly avoided. This can enhance the efficiency of energy recovery during the braking period and is beneficial...
The switched reluctance type integrated starter generator (SRISG) has the potential to be applied in hybrid electric vehicles for its robust structure, and it does not feature a magnet. In this paper, a new double-gap SRISG design that can provide higher power is presented. Characteristics, such as torque ripple, charging ability, and efficiency, are investigated by both 2D and 3D finite element analysis...
This paper presents a method to estimate contact force for minimally invasive surgery (MIS) using endoscopic imagery. In order to provide surgeons the information of contact force as surgical instruments get contact to human tissue, we developed a method to calculate tissue deformation by reconstructing 3D model using real-time image processing. The force information will be fed back to a haptic device...
This paper presents RF characterization of flip-chip interconnection in complementary-metal-oxide-semiconductor (CMOS) and glass-integrated-passive-device (GIPD) substrates by means of on-wafer scattering parameter (S-parameter) measurements, with high-speed digital transmission performance evaluations. The off-chip calibration is done firstly to shift the measured reference plane to the probe tips...
In this paper we propose a shared-control based teleoperation design for a dual-arm omnidirectional mobile robot. The robot not only can adapt its motion to environment autonomously, but also move according to the user's remote commands. To achieve this goal, a shared-control scheme for effective remote control of the mobile robot is developed. For tele-presence and remote control, a user interface...
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