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1. (WO2019064749) FAULT DIAGNOSIS METHOD, POWER CONVERSION DEVICE, MOTOR MODULE AND ELECTRIC POWER STEERING DEVICE
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Pub. No.: WO/2019/064749 International Application No.: PCT/JP2018/023722
Publication Date: 04.04.2019 International Filing Date: 22.06.2018
IPC:
H02M 7/48 (2007.01) ,B62D 5/04 (2006.01)
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
M
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
7
Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
42
Conversion of dc power input into ac power output without possibility of reversal
44
by static converters
48
using discharge tubes with control electrode or semiconductor devices with control electrode
B PERFORMING OPERATIONS; TRANSPORTING
62
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
D
MOTOR VEHICLES; TRAILERS
5
Power-assisted or power-driven steering
04
electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
Applicants:
日本電産株式会社 NIDEC CORPORATION [JP/JP]; 京都府京都市南区久世殿城町338番地 338 Kuzetonoshiro-cho, Minami-ku, Kyoto-shi, Kyoto 6018205, JP
Inventors:
ガデリー アハマッド GHADERI , Ahmad; JP
Priority Data:
2017-18809028.09.2017JP
Title (EN) FAULT DIAGNOSIS METHOD, POWER CONVERSION DEVICE, MOTOR MODULE AND ELECTRIC POWER STEERING DEVICE
(FR) PROCÉDÉ DE DIAGNOSTIC DE PANNE, DISPOSITIF DE CONVERSION DE COURANT, MODULE DE MOTEUR ET DISPOSITIF DE DIRECTION ASSISTÉE ÉLECTRIQUE
(JA) 故障診断方法、電力変換装置、モータモジュールおよび電動パワーステアリング装置
Abstract:
(EN) A fault diagnosis method of the present disclosure diagnoses a fault of an H bridge and is used in a power conversion device which is provided with at least one H bridge and converts power from a power supply to power to be supplied to a motor having at least one-phase windings. The fault diagnosis method includes: an acquisition step for acquiring a current/voltage Ipeak_ref, Vpeak represented in a dq coordinate system, and acquires a voltage command value V_ref indicating a target voltage value imparted to the at least one-phase winding at the time of controlling the motor; and a diagnosis step for diagnosing a fault of the H bridge on the basis of the acquired current/voltage of the dq coordinate system.
(FR) Selon la présente invention, un procédé de diagnostic de panne diagnostique une panne d'un pont en H et est utilisé dans un dispositif de conversion de courant qui est pourvu d'au moins un pont en H et convertit le courant provenant d'une alimentation électrique en courant devant être fourni à un moteur ayant au moins un enroulement monophasé. Le procédé de diagnostic de panne comprend : une étape d'acquisition consistant à acquérir un courant/une tension (Ipeak_ref, Vpeak) représentés dans un système de coordonnées (dq), et acquérir une valeur de commande de tension (V_ref) indiquant une valeur de tension cible communiquée audit enroulement monophasé au moment de la commande du moteur ; et une étape de diagnostic consistant à diagnostiquer une panne du pont en H sur la base du courant/de la tension acquis(e) du système de coordonnées (dq).
(JA) 本開示の故障診断方法は、電源からの電力を、少なくとも一相の巻線を有するモータに供給する電力に変換し、少なくとも1つのHブリッジを備える電力変換装置に用いる、Hブリッジの故障を診断する故障診断方法である。故障診断方法は、dq座標系において表現される電流・電圧Ipeak_ref、Vpeakを獲得し、かつ、モータの制御時に少なくとも一相の巻線に与えるターゲットの電圧値を示す電圧指令値V_refを獲得する獲得ステップと、電圧指令値の大きさ、および、獲得したdq座標系の電流・電圧に基づいてHブリッジの故障を診断する診断ステップと、を包含する。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)