PROTOTYPE PENGONTROLAN KURSI RODA BERBASIS JOYSTICK MENGGUNAKAN MOTOR DC DENGAN SENSOR PENDETEKSI HALANGAN

RAHAYU, TUTI (2019) PROTOTYPE PENGONTROLAN KURSI RODA BERBASIS JOYSTICK MENGGUNAKAN MOTOR DC DENGAN SENSOR PENDETEKSI HALANGAN. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Wheelchairs are health aids that can be used by persons with disabilities who have difficulty walking on foot, either due to illness, injury, disability, or seniors to move from one place to another due to physical limitations. Individuals with these limitations can be helped with a wheelchair, but some individuals with other limitations of movement such as limited hand movements will have difficulty operating and running a wheelchair without the help of others. The purpose of research to develop a joystick-based wheelchair control system using DC motors. The joystick used as an input device to give commands while the DC motor used as a wheel rotator (actuator). The DC motor is designed to be speed adjustable with four speed modes. DC motor speed regulation using PWM technique. Then, the wheelchair is equipped with an ultrasonic sensor to detect obstacles at a distance of less than or equal to 30 cm in front of or behind the wheelchair. From the research that has been done, it can be concluded that the control system designed using a joystick can control a DC motor in a wheelchair prototype with forward, reverse, turn right, turn left and stop commands. DC motor speed settings can be regulated using a dip switch consisting of 4 modes with speeds of 100 RPM, 136 RPM, 175 RPM and 202 RPM respectively. Ultrasonic sensors applied to wheelchair prototypes can detect obstacles at distances of less than or equal to 30 cm from the front and rear, which are indicated by a buzzer sound when the distance is less than equal to 30 cm.

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