Roba wani inji ne mai sarrafa kansa. Bambancin shine cewa wannan naurar tana da wasu dabaru na fasaha irin na mutane ko halittu, kamar fahimta, tsarawa, motsi, da daidaito. Yana da injin sarrafa kansa tare da babban darajar sassauci.

Tare da zurfafa fahimtar mutane game da yanayin halayyar mutum-mutumi, mutum-mutumi ya fara shiga cikin kowane yanki na ayyukan ɗan adam. Haɗa halayen aikace-aikacen waɗannan fannonin, mutane sun haɓaka nau'ikan mutummutumi na musammam da roban na'urori masu inji tare da fahimta, yanke shawara, aiki da damar hulɗa. Kodayake babu cikakkiyar ma'anar ma'anar mutummutumi, muna fatan fahimtar ainihin jigon mutummutumi: mutummutumi injina ne na injina waɗanda suke yin aiki kai tsaye. Zai iya karɓar umarnin ɗan adam, gudanar da shirye-shiryen da aka riga aka tsara, ko yin aiki bisa ƙa'idodi da shirye-shiryen da aka kirkira tare da fasaha na fasaha ta wucin gadi. Manufarta ita ce taimakawa ko maye gurbin aikin ɗan adam. Samfuri ne na ingantaccen haɗin yanar gizo, mechatronics, kwakwalwa, kayan aiki da kayan kwalliya, kuma yana da mahimman amfani a masana'antu, magani, aikin gona, sabis, gini, har ma da fannonin soja.

Batirin lithium na robot ingantacce ne, mai ɗaukewa, šaukuwa, da wadataccen batirin lithium wanda aka tsara shi musamman don masu gwajin inji ta hannu. Gwajin mutum-mutumi yana buƙatar babban halin yanzu idan ya fara, kuma yana buƙatar babban baturi mai ci gaba da aiki.