자동차 조향장치용 TAS module을 위한 Multi-track Encoder기반 신호처리보드의 구현
Preliminary study of Angle sensor module for Vehicle Steering System Based on Multi-track Encoder
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As 4.0 industry has been developed, research on a self-driving car technology and related parts of an automobile has been highly investigated recently. Particularly, a TAS(Torque Angle Sensor) module on steering wheel system has been considered as a key tech- nology because of its precise angle, torque detection and high speed signal processing. The environmental assessment is generally required on the TAS module to examine high resolution of angle/torque detection. In the case of existing TAS module, angle detectionerrors has been occurred by back-lash on main and sub gear in addition to complicated structure caused by gears. In this paper, a struc-ture of the TAS module, which minimizes the numbers of components and angle detection errors on the module compared with theexisting TAS module, for vehicle steering system based on a Multi-track Encoder has been proposed. Also, angle detection signal pro- cessing board, and key technology of the TAS module were fabricated and evaluated. As a result of the experiments, we confirmed an excellent performance of the fabricated signal processing board for angle detection and an applicability of the fabricated angle detection board on the TAS module of vehicles by the environmental assessment an automobile standard.
Abstract
As 4.0 industry has been developed, research on a self-driving car technology and related parts of an automobile has been highly investigated recently. Particularly, a TAS(Torque Angle Sensor) module on steering wheel system has been considered as a key tech- nology because of its precise angle, torque detection and high speed signal processing. The environmental assessment is generally required on the TAS module to examine high resolution of angle/torque detection. In the case of existing TAS module, angle detectionerrors has been occurred by back-lash on main and sub gear in addition to complicated structure caused by gears. In this paper, a struc-ture of the TAS module, which minimizes the numbers of components and angle detection errors on the module compared with theexisting TAS module, for vehicle steering system based on a Multi-track Encoder has been proposed. Also, angle detection signal pro- cessing board, and key technology of the TAS module were fabricated and evaluated. As a result of the experiments, we confirmed an excellent performance of the fabricated signal processing board for angle detection and an applicability of the fabricated angle detection board on the TAS module of vehicles by the environmental assessment an automobile standard.
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