This study presents application of Dynamic Programming towards finding globally optimal control policies of a new, highly-efficient hydraulic elevator architecture. The architecture employs an actuator, three accumulators, and two hydraulic circuits bridged by a hydraulic transformer. An auxiliary electric motor exists only to compensate for system losses. Prior research identified a multitude ...

Anonymous credentials are discussed as a privacy friendlier replacement for public key certificates. While such a transition would help to protect the privacy of digital citizens in the emerging information society, the wide scale deployment of anonymous credentials still poses many challenges. One of the open technical issues is the efficient revocation of anonymous credentials. Currently, acc...

This paper presents an accumulator-based digital-to-frequency (DFC) converter employing redundant signed binary addition (RSBA). RSBA is advantageous in that no carry propagation occurs resulting in constant delay regardless of operand word size. Utilizing RSBA in the proposed DFC resolves the performance bottleneck in the DFC's conventional implementation and achieves extremely high frequency ...

Selenium-accumulator plants synthesize selenium compounds that differ from those produced by nonaccumulators. To determine if there are any subcellular differences between accumulators and nonaccumulators in the use of selenomethionine in vitro, polysomes from Astragalus crotalariae (accumulator) and Astragalus lentiginosis (nonaccumulator) were translated in the presence of selenomethionine. P...

In this paper, the transient refrigerant gas flow in a two-cylinder rolling piston type rotary compressor is simulated using STAR-CD, a general computational fluid dynamics (CFD) software. Three models with different suction piping systems are calculated respectively, one is two suction pipes were connected from accumulator to each cylinder separately (separate suction piping system), the other...

Location aware computing is popularized and location information has more important before. Ubiquitous computing also needs locaiton information. In this paper we propose location estimation system using multi-hop wireless ad-hoc network. The proposed system estimates locations of mobile hosts, using distance between hosts and the locations of some special hosts which know each location by GPS ...

This paper describes a Bayesian scheme for incrementing the Hough Transform (HT) accumulator to improve the performance of the HT, making it more robust to noise. The proposed technique analytically computes the uncertainty of each feature point based on its gradient and location in the image. Using the estimated uncertainty of each feature point, a Bayesian probabilistic scheme is proposed to ...