Apparatus and method for generating excitation signal for resolver

• Main Authors: PARK CALEB-HYUNGMIN, KIM YEON-HO, KANG TAE-HWAN, CHO BUMUL, PARK JU-WON, CHOI YUN-HO, CHO WON-HEE
• Format: Patent
• Language: Chinese; English
• Published: 01.03.2024
• Subjects: BASIC ELECTRONIC CIRCUITRY; CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; PULSE TECHNIQUE

An apparatus and method for generating an excitation signal for a resolver, the apparatus including: a sine wave generation unit configured to generate a sine wave by using a square wave; an amplification unit configured to amplify the sine wave generated by the sine wave generation unit, a differential signal generation unit configured to convert the sine wave amplified by the amplification unit into a differential signal; a driver configured to input the differential signal generated by the differential signal generation unit to a coil, and a processor, and a voltage increasing unit configured to increase a voltage of the sine wave from a starting voltage to a target voltage through at least one of the sine wave generating unit and the amplifying unit based on a transient current flowing into the coil in the transient response interval. 一种为分解器生成激励信号的设备和方法，该设备包括：正弦波生成单元，被配置为通过使用方波生成正弦波；放大单元，被配置为放大由正弦波生成单元生成的正弦波，差分信号生成单元，被配置为将由所述放大单元放大的所述正弦波转换成差分信号；驱动器，被配置为将由所述差分信号生成单元生成的所述差分信号输入至线圈，以及处理器，被配置为基于在瞬态响应间隔中流入线圈的瞬