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All Journal JMPM: Jurnal Matematika dan Pendidikan Matematika Dinamisia: Jurnal Pengabdian Kepada Masyarakat Teorema: Teori dan Riset Matematika Specta Journal of Technology Buletin Pembangunan Berkelanjutan

Sigit Pancahayani

INSTITUT TEKNOLOGI KALIMANTAN

Author-ID : 2681987

Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences Other

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Title

Estimasi Kelajuan dan Volume Kendaraan Berdasarkan Model Makroskopik Arus Lalu Lintas Jalan Tol dengan Metode Extended Kalman Filter Febriana Prihatiningsih; Sigit Pancahayani; Subchan Subchan
SPECTA Journal of Technology Vol. 2 No. 2 (2018): SPECTA Journal of Technology
Publisher : LPPM ITK

In this thesis, the analysis of vehicles' determination of speed and volume in the traffic flow will be discussed by approach time. The analyzation of vehicles' speed and volume done by estimated on macroscopic term of traffic flow in the traffic jam with Extended Kalman Filter (EKF) method. The term of macroscopic views with measured the traffic variable by density the flow rate the flow rate of vehicle and also the vehicle speed's average. In the estimating process, forward difference scheme is implemented to the model and error are measured by Root Mean Square Error. The result showed that the estimation the average of the vehicle’s relative speed in a segment decreased when its volume of vehicle is increased and vice versa.

Optimization of Linear Quadratic Tracking (LQT) Weight Matrices Using Simulated Annealing Applied on Planar Arm Model Dinita Rahmalia; Teguh Herlambang; Sigit Pancahayani; Khozin Mu’tamar
SPECTA Journal of Technology Vol. 4 No. 3 (2020): SPECTA Journal of Technology
Publisher : LPPM ITK

Optimal controls have been applied in this time. One of simple optimal control which will be analyzed in this research is planar arm model dynamic. The planar arm model dynamic consists of joint angles consisting of shoulder joint and elbow joint, angle velocities, and joint torquest due to passive muscle forces. There are control inputs from six muscles in the system. In this research, from planar arm model, it will be designed optimal control using Linear Quadratic Tracking (LQT). The objective function of planar arm model is we will minimimize two angles consisting of shoulder joint and elbow joint. In LQT, the value of performance index depends on the weight matrices so that we should optimize the weight matrices. In this research, the optimization of weight matrices in planar arm model will be applied by Simulated Annealing. The Simulated Annealing method is based on the simulation of thermal annealing of critically heated solids. Based on simulation results, Simulated Annealing can optimize the weight matrices in LQT so that it results optimal performance index with angle as state solution can follow the reference and we also obtain optimal controls from six muscle forces applied.

Model Matematika Penyebaran Polusi Udara untuk Menentukan Jarak Aman Pemukiman dari Cerobong Asap Industri Adinda Laili Febriyanti; Sigit Pancahayani; Muliady Faisal
SPECTA Journal of Technology Vol. 6 No. 1 (2022): SPECTA Journal of Technology
Publisher : LPPM ITK

Polusi udara yang keluar dan menyebar dari cerobong asap industri dapat menimbulkan berbagai macam penyakit bagi masyarakat. Jangkauan penyebaran polusi udara yang bervariasi dan bergantung pada berbagai faktor seperti kecepatan dan arah angin, ketinggian cerobong, dan konsentrasi polutan perlu mendapat perhatian agar tidak menimbulkan dampak negatif pada masyarakat di suatu pemukiman. Oleh karena itu, dalam penelitian ini model Gaussian plume digunakan untuk menentukan pola penyebaran polusi udara dan konsentrasinya. Polutan yang diamati adalah SO2, NO2, dan CO2 dengan konsentrasi yang berbeda dan memperhatikan dua nilai kecepatan angin serta intensitas cahaya matahari. Dengan mengikuti solusi model Gaussian Plume yang diperoleh dengan transformasi Laplace dapat ditentukan jarak aman pemukiman dari cerobong asap industri. Lebih lanjut, kondisi stabilitas atmosfer juga mempengaruhi besarnya nilai konsentrasi maksimum. Semakin stabil kondisi atmosfer mengakibatkan konsentrasi maksimal pada masing-masing polutan menurun dan semakin jauh polutan mencapai titik maksimum dari cerobong asap.

Co-Authors Abrari Abrari Noor Hasmi Abrari Noor Hasmi Adinda Laili Febriyanti Dinita Rahmalia, Dinita Febriana Prihatiningsih Indira Anggriani Khozin Mu'tamar Miftaqul Wulandariyaningsih Muhammad Azka Muliady Faisal Primadina Hasanah Subchan Subchan Syalam Ali Syalam Ali Wira Dinata Simatupang Teguh Herlambang Winarni

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