Graphical abstract AbstractDemonstration mode is a method used to show a process or work of an object. Demonstration methods can be used to illustrate information to others, predict what will happen, facilitate different types of explanations, and some unfamiliar issues can be asked immediately when a process is demonstrated to be clearly answered. Companies in particular that sell electrical appliances use demo tools to explain the various control systems offered, or how to use the tools they sell. Demo tools are needed to explain the benefits of the control system and the use of the tools. Through automated gate control systems, automatic lights, and alarm functions, the simulation of building security systems becomes the case for the community. The development of industrial technology in the present can not be separated from the role of industrial automation. Industrial automation or numerical control is the use of control systems as well as computers used to control industrial machines and process controls to replace human power carriers. PC based control system is a high-ability control platform. The demonstration tool simulates a security system in the form of a digital output for LED lights whose sequence depends on the given digital input (push button and switch) and smart house applications. Analog input is also implemented, but for analog outputs the voltmeter does not generate the correct voltage value when the potentiometer value changes. This is because there is a loading on the voltmeter so that the output that appears on the voltmeter becomes much smaller than it should be.
Makalah ini memaparkan perancangan dan realisasi sebuah quadcopter menggunakan sensor jarak ultrasonic HC-SR04 agar dapat terbang mengikuti dinding. Algoritma yang digunakan pada realisasi quadcopter adalah algoritma Wall Follower. Fokus pembahasan sistem tersebut adalah mengimplementasikan algoritma Wall Follower pada quadcopter agar dapat terbang navigasi dalam ruang dengan cara mengikuti dinding. Kontrol pergerakan roll menggunakan mode pengontrol ON-OFF Hysteresis sedangkan pada pergerakan yaw digunakan mode pengontrol open-loop. Nilai batas bawah dan batas atas yang digunakan pada kontrol ON-OFF Hysteresis adalah 70 cm dan 100 cm. Hasil pengujian menunjukkan quadcopter berhasil terbang mengikuti dinding sejauh 10,2 m dengan ketinggian maksimum 2,14 m. This paper explained the design and realization of a quadcopter using the HC-SR04 ultrasonic distance sensor so that it can fly following the wall. The algorithm used in the quadcopter design is the Wall Follower algorithm. The focus of the discussion of the system is implementing a Wall Follower algorithm to the quadcopter so that it can navigate following the wall. The roll movement control was using Hysteresis ON-OFF control and the yaw movement control was using open-loop control. The lower and upper limit values that were used in the Hysteresis ON-OFF control are 70 cm and 100 cm. The test results show the quadcopter can fly following the wall as far as 10.2 m and reaches a maximum height of 2,14 m.
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