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Abstract

Abstract
The high population rate has an impact on increasing of land function change from agricultural land become housing and commercial building. As a result, it is difficult to get land for planting in the urban area. Therefore, this research is aimed to design equipment that can be used for planting in the narrow
land using vertical gardening. This paper will report about design and functional testing of drive and control system on ROVERGARD. Drive system is based on water pump with additional gear train and chainsprocket mechanism. Control system use was on open loop type based on timer. The performance test of drive system was focused on electrical energy consumption and rotational speed of the system that was measured by multifunctional mini ammeter and tachometer. The control system was tested during 4 days,
to evaluate their performances between set point and actual timing while filling water tank and rotate the system at maximal load condition. Electrical power consumption was 208 W at average rotational speed 2703 rpm. Increasing load caused an increase of energy consumption but made the drive rotation decline. The position control performance had on position error around 50 cm. Consequently, setting time on timer must be adjusted.

Abstrak
Laju pertumbuhan penduduk yang tinggi, mengakibatkan tingginya alih fungsi lahan pertanian menjadi bangunan perumahan dan komersial. Masalah ini mengakibatkan sulitnya mencari lahan pertanian di daerah padat penduduk khususnya perkotaan. Oleh karena itu perlu dirancang sebuah alat yang dapat digunakan untuk bercocok tanam di lahan sempit. Tujuan dari penelitian ini adalah mendesain dan menguji sistem penggerak dan kendali pada ROVERGARD. Sistem penggerak berasal dari pompa air yang dimodifikasi. Sedangkan sistem kendali menggunakan tipe open loop berbasis waktu dimana timer sebagai komponen utamanya. Pengujian kinerja penggerak difokuskan pada konsumsi listrik dan rpm
yang diukur menggunakan multifunctional mini ammeter dan tachometer. Sistem kendali diuji selama 4 hari. Hasil pengujian kinerja penggerak menunjukkan bahwa pada kondisi pengisian penampung dan beban maksimal. Daya listrik yang dihasilkan adalah 208 W dimana putaran penggerak adalah 2703 rpm.
Penambahan beban pada pot berbanding lurus dengan konsumsi listrik yang dihasilkan, namun berbanding
terbalik dengan putaran penggerak. Sementara itu, kinerja sistem kendali belum maksimal, karena masih
terdapat kesalahan posisi yang mencapai 50 cm, karenanya pengaturan waktu pada timer harus diperbaiki

Keywords

Vertical Garden tower garden mechanical circulate garden

Article Details

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