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  • Repository Politeknik Negeri Batam
    Item
    Robot Hybrid Pada Kontes Robot Abu Indonesia 2016 (Climbing Task)
    (Politeknik Negeri Batam, 2017-05-15) Nico Simanjuntak, Alex; Soebhakti, Hendrawan
    The last task in Robot Contest ABU Indonesia 2016 is Climbing Task which must done by Hybrid Robot to win the game. In this task, Hybrid Robot must climb the engine pole to assembly the propeller in the engine station. A system is developed to complete the task using polyurethane wheel and power window motor. EDF is used as actuator to turn the robot while climbing with PD Controller and get feedback from rotary encoder. The experiment show that the robot can align with line in the field in 0.3 second and climb the pole with error average 2.17°. Robot can assembly propeller with success rate 65% and time average needed is 6,46 seconds. Robot fail to assembly the propeller occurred by mechanical weakness.
  • Repository Politeknik Negeri Batam
    Item
    Desain Buck-Boost Converter untuk Pengisian Baterai Telepon Seluler dengan Memanfaatkan Putaran Roda Sepeda
    (Politeknik Negeri Batam, 2014-06-06) Lumbantobing, Nengsi Kasmani; Gozali, M. Syafei; Sani, Abdullah
    To reduce the risk of battery power quickly decreases when listening to music while biking , then a means of charging cell phone batteries can be used for charging the mobile phone battery when away from power source . This study aims to design a buck-boost converter for mobile phone battery charging by utilizing wheel rotation , so it can be useful for bike users to perform mobile phone battery charging while away from sources of electrical energy and reduce costs and time to generate generator used at the time mobile phone battery charging . For cell phone charging on the bike requires dynamo as a generator . The voltage output of the bicycle dynamo is AC then the bridge rectifier to function is converting the AC voltage to DC output of the bridge rectifier and an input for a buck-boost converter circuit . From the results of the testing of the tool can be made on the attached load values prior to voltage is 5 volts and the voltage value after the load attached is 4.25 volts with a current that varies according to the wheel rotation . To ensure that the incoming voltage to a cell phone battery Arduino awake then used as sensors in order to monitor voltage and current voltage and current to the cell phone battery with a graphic display using Labview software.