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In this paper, we consider a robust controller design for a two-wheeled inverted pendulum mobile robot driving on uniform slopes. For stabilizing the body posture of the mobile robot on slopes, we use a 2 degree-of-freedom (DOF) model which is obtained by restricting the spinning motion in a 3 DOF motion dynamic equation. In order to design the robust controller guaranteeing stability of the robot...
The longitudinal motion equations were built by mathematical model of target drone movement. The longitudinal linearized equation was got by the lineairzation of longitudinal motion equations. The modality character was analysed by the solution. According to remolding motion, the effection on dynamic stability by flight speed, height and centroid position variation was researched and corresponding...
Mobile WiMAX is the next generation of broadband wireless network. It allows users to roam over the network under vehicular speeds. However, when a mobile station changes from one base station to another, it should be authenticated again. This may lead to delay in communication, especially for real-time applications, such as VoIP and Pay-TV systems. In this paper, we propose two efficient schemes...
Fault current limiter based on permanent magnet biased saturation (PMFCL) is believed to foresee preferable application potentials in power systems due to its obvious advantages in both the technical and economical aspects. However, it is necessary to improve and optimize the operational characteristics of a PMFCL as a result of the deep saturation magnetization effect of the iron-core. A new concept...
We present new variants of an RSA whose key generation algorithms output two distinct RSA key pairs having the same public and private exponents. This family of variants, called dual RSA, can be used in scenarios that require two instances of RSA with the advantage of reducing the storage requirements for the keys. Two applications for dual RSA, blind signatures and authentication/secrecy, are proposed...
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