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In particular, we proved that both numbers of crossing limit cycles and sliding ones are at most [Formula: see text], but the total number of limit cycles is at most [Formula: see text]. Finally, by complete analysis on the number of limit cycles, we show some bifurcations which exist in generic Filippov systems, revealing also two nongeneric bifurcations. <\/jats:p>","DOI":"10.1142\/s0218127419501359","type":"journal-article","created":{"date-parts":[[2019,9,24]],"date-time":"2019-09-24T05:04:31Z","timestamp":1569301471000},"page":"1950135","source":"Crossref","is-referenced-by-count":4,"title":["Limit Cycles and Bifurcations in a Class of Discontinuous Piecewise Linear Systems"],"prefix":"10.1142","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7376-4413","authenticated-orcid":false,"given":"Tao","family":"Li","sequence":"first","affiliation":[{"name":"Department of Mathematics, Sichuan University, Chengdu, Sichuan 610064, P. R. 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