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Mobile Phone-based Real-time Dangerous Object Recognition for the Visually Impaired
Seungbin Kim,Hartono Rodi,Tshibang Patrick A Kalend,Namkyun Baik,Kyoo Jae Shin 대한전자공학회 2023 IEIE Transactions on Smart Processing & Computing Vol.12 No.2
This paper proposes a dangerous object recognition Android application for the visually impaired using a smartphone. Among the one-stage and two-stage detectors, which are representative object recognition methods, the one-stage method is more suitable for real-time object recognition. Among them, more accurate object recognition is possible using the SSD network. In addition, the visually impaired cannot see the screen or the front properly in their daily life, so it informs them of dangerous situations in advance through sound. The system helps the visually impaired using a priority queue that notifies the visually impaired with a different sound according to a high-priority object. The experiment results of the proposed system are expected to bring positive results when applied to the smartphones of visually impaired people.
Design of Electric Power Steering System for a Self-Driving Car
Rodi Hartono(허르토노 로디),Tshibang Patrick A Kalend(트쉬벵 패트릭 에칼렌드),Hyun-Rok Cha(차현록),Kyoo-Jae Shin(신규재) 대한전자공학회 2023 대한전자공학회 학술대회 Vol.2023 No.6
This paper presents the design of a proportionalintegral-derivative (PID) control algorithm for the electric power steering system (EPS) for a selfdriving car. The system comprises of a steering rack with a brushless direct current (BLDC) motor as an actuator, utilizing the six-step trapezoidal as commutation method. To observe the electrical and mechanical model of the EPS, an identification system is employed. The results show that the PID control algorithm provides a stable and accurate steering response met the design criterion.