An encoderke sesebelisoa se bokellang le ho fetola lets'oao (joalo ka "bit stream) kapa data hore e be sebopeho sa lets'oao le ka sebelisoang bakeng sa puisano, phetisetso le polokelo.Encoder e fetola phallo ea li-angular kapa phallo ea mohala hore e be lets'oao la motlakase, ea pele e bitsoa code disc, 'me ea morao-rao e bitsoa yardstick.Ho latela mokhoa oa ho bala, encoder e ka aroloa ka mefuta e 'meli: mofuta oa puisano le mofuta oo e seng oa puisano;ho ea ka molao-motheo oa ho sebetsa, encoder e ka aroloa ka mefuta e 'meli: mofuta o ntseng o eketseha le mofuta o feletseng.Encoder e ntseng e eketseha e fetola phallo hore e be lets'oao la motlakase la nako le nako, ebe e fetolela lets'oao la motlakase hore e be sekhahla sa ho bala, ebe e sebelisa palo ea likhahla ho emela boholo ba phallo.Boemo bo bong le bo bong ba encoder e felletseng bo lumellana le khoutu e itseng ea dijithale, kahoo pontšo ea eona e amana feela le maemo a qalang le a ho qetela a tekanyo, empa ha e amane le mokhoa o bohareng oa tekanyo.
Tlhophiso ea li-encoder
Ho latela molao-motheo oa ho lemoha, encoder e ka aroloa ka mofuta oa optical, mofuta oa makenete, mofuta oa inductive le mofuta oa capacitive.Ho latela mokhoa oa eona oa ho lekanya le mofuta oa tlhahiso ea lets'oao, e ka aroloa ka mefuta e meraro: mofuta oa incremental, mofuta o felletseng le mofuta oa lebasetere.
Keketseho ea khouto:
Encoder e ntseng e eketsehaka ho toba e sebelisa molao-motheo oa phetoho ea photoelectric ho hlahisa lihlopha tse tharo tsa square wave pulses A, B le Z phase;Phapang ea mekhahlelo pakeng tsa lihlopha tse peli tsa maqhubu A le B ke likhato tse 90, e le hore tataiso ea ho potoloha e ka ahloloa habonolo, ha Phase Z e le phallo e le 'ngoe ka phetohelo, e sebelisetsoang ho beha lintlha.Melemo ea eona ke molao-motheo le sebopeho se bonolo, bophelo bo tloaelehileng ba mechine bo ka ba lihora tse fetang mashome a likete, bokhoni bo matla ba ho thibela ho kena-kenana, ho tšepahala ho phahameng, 'me ho loketse phetisetso ea nako e telele.
Encoder e felletseng:
Absolute encoder ke sensor e hlahisang linomoro ka kotloloho.Ho disc ea eona e chitja ea khoutu, ho na le li-disc tsa khoutu tse 'maloa tse haufi le tataiso ea radial.Lifate tsa lefapha la pina ea khoutu li na le kamano e habeli.Palo ea lipina tsa khoutu ho disc ea khoutu ke palo ea linomoro tsa nomoro ea eona ea binary.Ka lehlakoreng le leng la "disc code" ho na le mohloli o khanyang, 'me ka lehlakoreng le leng ho na le karolo ea lifoto e lumellanang le pina e' ngoe le e 'ngoe ea khoutu.Ha khoutu Ha disk e le maemong a fapaneng, ntho e 'ngoe le e' ngoe ea photosensitive e fetola pontšo ea boemo bo lumellanang ho ea ka hore na e khantšitsoe kapa che, e etsa palo ea binary.Sebopeho sa encoder ena ke hore ha ho na k'hamphani e hlokahalang, 'me khoutu e tsitsitseng ea digital e lumellanang le boemo e ka baloa sebakeng leha e le sefe sa shaft e potolohang.
Hybrid Absolute Encoder:
Hybrid absolute encoder, e hlahisa lihlopha tse peli tsa tlhahisoleseling, sete e le 'ngoe ea tlhahisoleseling e sebelisetsoa ho bona boemo ba poleiti ea makenete, e nang le ts'ebetso ea tlhaiso-leseling e felletseng;sete e 'ngoe e ts'oana hantle le tlhaiso-leseling ea tlhahiso ea encoder e ntseng e eketseha.
Nako ea poso: Feb-20-2023
