TY JOUR TI Method of formation of sum code with improved effi ciency of error detection in data vectors KW technical diagnostics KW concurrent error detection (CED) system KW sum code KW Berger code KW weighted transition KW code with summation of weighted transitions KW undetectable error in data vector KW error detection properties KW optimum code JO Transport automation research AU Sapozhnikov, V.. AU Sapozhnikov, V.. AU Efanov, D.. AU Dmitriev, V.. AU Cherepanova, M.. PY 2016 IS 2 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"