557,001 research outputs found

    Control and Filtering for Discrete Linear Repetitive Processes with H infty and ell 2--ell infty Performance

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    Repetitive processes are characterized by a series of sweeps, termed passes, through a set of dynamics defined over a finite duration known as the pass length. On each pass an output, termed the pass profile, is produced which acts as a forcing function on, and hence contributes to, the dynamics of the next pass profile. This can lead to oscillations which increase in amplitude in the pass to pass direction and cannot be controlled by standard control laws. Here we give new results on the design of physically based control laws for the sub-class of so-called discrete linear repetitive processes which arise in applications areas such as iterative learning control. The main contribution is to show how control law design can be undertaken within the framework of a general robust filtering problem with guaranteed levels of performance. In particular, we develop algorithms for the design of an H? and 2\ell_{2}–\ell_{\infty} dynamic output feedback controller and filter which guarantees that the resulting controlled (filtering error) process, respectively, is stable along the pass and has prescribed disturbance attenuation performance as measured by HH_{\infty} and 2\ell_{2}\ell_{\infty} norms

    Functorial Decompositions of Looped Coassociative Co-<i>H</i> Spaces

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    AbstractSelick and Wu gave a functorial decomposition of Ω∑X for path-connected, p-local CW-complexes X which obtained the smallest nontrivial functorial retract Amin(X) of Ω∑X. This paper uses methods developed by the second author in order to extend such functorial decompositions to the loops on coassociative co-H spaces.</jats:p

    Wu, Chieh-ping -- 1981-82 -- Correspondence, Individual -- letter, 1981-02-20

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    Letter from Knisely, William H. to Wu, Chieh-Ping dated 1981-02-20.Sabin Collection Fair Use Policy</a

    Diamantine allerbester Schuhputz; Diamantine mit Sparsieb bevorzugte Qualität; Rud. Starke in Melle i/H.

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    DIAMANTINE ALLERBESTER SCHUHPUTZ; DIAMANTINE MIT SPARSIEB BEVORZUGTE QUALITÄT; RUD. STARKE IN MELLE I/H. Diamantine allerbester Schuhputz; Diamantine mit Sparsieb bevorzugte Qualität; Rud. Starke in Melle i/H. ( -

    Diamantine allerbester Schuhputz; Diamantine mit Sparsieb bevorzugte Qualität; Rud. Starke in Melle i/H.

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    DIAMANTINE ALLERBESTER SCHUHPUTZ; DIAMANTINE MIT SPARSIEB BEVORZUGTE QUALITÄT; RUD. STARKE IN MELLE I/H. Diamantine allerbester Schuhputz; Diamantine mit Sparsieb bevorzugte Qualität; Rud. Starke in Melle i/H. ( -

    Part of the collaboration network highlighting authors <i>R. Han</i> (h-index: 8, pagerank-index: 79.6%), <i>X. Xu</i> (h-index: 8, pagerank-index: 95.1%), <i>J. Wu</i> (h-index: 1, pagerank-index: 89.3%), and <i>M. Shi</i> (h-index: 3, pagerank-index: 79.1%) in the field of Quantum Game Theory.

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    <p>Part of the collaboration network highlighting authors <i>R. Han</i> (h-index: 8, pagerank-index: 79.6%), <i>X. Xu</i> (h-index: 8, pagerank-index: 95.1%), <i>J. Wu</i> (h-index: 1, pagerank-index: 89.3%), and <i>M. Shi</i> (h-index: 3, pagerank-index: 79.1%) in the field of Quantum Game Theory.</p

    Mrs. T. H. Wu and Mildred Wu eating marshmallows with chopsticks, 1938

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    Photograph shows Mrs. T. H. Wu and Mildred Wu (right) using chopsticks. From the San Antonio Light negative box no. 1540

    Camponotus lasiselene Wang & Wu 1994

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    Camponotus lasiselene Wang & Wu, 1994 (fig. 4) M a t e r i a l s e x a m i n e d. Nepal: Kathmandu, Ranibari Community Forest [27.729444 N 85.3205555 E], 1310 m, pitfall collection, 13– 15.10.2019, 1 &female; worker (IP Subedi, RP Pokhrel, S Subedi & A Subedi) (CDZMTU); idem, hand collection, 14.04.2021, 2 &female; workers (IP Subedi, I Pandit & A Subedi) (CDZMTU). D i s t r i b u t i o n. Nepal (new record), China, Thailand, Vietnam. T a x o n o m i c n o t e s. Our worker specimen has an opaque black body with extremely abundant whitish short hairs, brownish red mandibles, antennae and tarsus, square-shaped head, short, broad and dorsally margined alitrunk, pronotum with acute margin, two plier-shaped propodeal spines and large, cylindrical gaster. The specimen was identified as C. lasiselene based on the species description and key in Wang & Wu (1994). C. lasiselene is very close to Fig. 4. Camponotus lasiselene. C. selene in the color, shape and sculpture of the body but has abundant whitish erect hair on the body (Wang & Wu, 1994).Published as part of Subedi, I. P., Budha, P. B., Bharti, H., Alonso, L. & Yamane, S., 2021, First Record Of The Ant Subgenus Orthonotomyrmex Of The Genus Camponotus From Nepal (Hymenoptera, Formicidae), pp. 279-284 in Zoodiversity 55 (4) on pages 281-282, DOI: 10.15407/zoo2021.04.279, http://zenodo.org/record/637784

    Hydnophanerochaete odontoidea Sheng H. Wu & C. C. Chen, MycoKeys

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    &lt;p&gt; &lt;i&gt;Hydnophanerochaete odontoidea&lt;/i&gt; (Sheng H. Wu) Sheng H. Wu &amp; C.C. Chen, MycoKeys 39: 86 (2018)&lt;/p&gt; &lt;p&gt;Specimens examined: Zijinshan Forest farm, Zixishan National Forest Park, Chuxiong, Yunnan Province, China, the fallen branch of angiosperm, 26 June 2018, CLZhao 6732, CLZhao 6735; 26 June 2018, CLZhao 6741, CLZhao 6743; 1 July 2018, CLZhao 7231; the stump of angiosperm, 26 June 2018, CLZhao 6738; the trunk of angiosperm, 30 June 2018, CLZhao 6785, CLZhao 6899, CLZhao 6900; 1 July 2018, CLZhao 6987 (SWFC) (GenBank: ITS-OM955750).&lt;/p&gt;Published as part of &lt;i&gt;Zhang, Xiaojie, Yuan, Qi, Su, Jiangqing &amp; Zhao, Changlin, 2023, Diversity of wood-decaying fungi in Zixishan area (Hengduan Mountains), Yunnan Province, China, pp. 113-138 in Phytotaxa 612 (2)&lt;/i&gt; on page 127, DOI: 10.11646/phytotaxa.612.2.1, &lt;a href="http://zenodo.org/record/8323473"&gt;http://zenodo.org/record/8323473&lt;/a&gt

    Mrs. T. H. Wu and Mildred Wu eating marshmallows with chopsticks, 1938

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    Photograph shows Mrs. T. H. Wu and Mildred Wu (right) using chopsticks. From the San Antonio Light negative box no. 1540
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