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Undang-Undang Nomor 33 Tahun 2014 Tentang Jaminan Produk Halal telah berjalan. Namun sejumlah kebijakan dari produk hukum tersebut masih belum tersosialisasikan dengan baik, terutama bagi kalangan pelaku usaha di sektor makanan dan minuman UMKM. Begitu juga yang terjadi pada sebagian penggiat UMKM di Kabupaten Madiun yang belum tahu menahu mengenai kebijakan tersebut. Mereka kurang kesadaran bahwa mengurus perizinan dan sertifikasi halal terhadap produk mereka adalah suatu hal yang sangat penting dan tentunya akan memberikan banyak manfaat bagi keberlangsungan usaha mereka. Permasalahan muncul tidak hanya dari sisi sosialisasi kebijakan, namun juga dari sisi literasi pelaku UMKM dalam hal proses produksi halal yang masih rendah. Dari permasalahan tersebut, penulis mengusulkan solusi dalam bentuk sosialisasi, pembinaan, dan pendampingan kepada UMKM di Madiun terkait proses produksi halal dan sertifikasi halal. Dengan demikian, program-program tersebut diharapkan dapat membantu UMKM khususnya di Kabupaten Madiun untuk mendapatkan sertifikat halal bagi produknya sehingga mampu memberikan nilai tambah dan secara tidak langsung ikut mendukung berlangsungnya kebijakan jaminan produk halal.

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Currently, biogas as an alternative fuel has been widely used in the community, including in lamps and biogas stoves. There has been a surplus of biogas in some production regions due to a relatively small need for biogas fuel. So that most biogas users utilize the surplus to become generator fuel. Yet, in the application there is a drawback, namely the instability of the electric power generated per unit time. This is caused by not achieving the optimal water-fuel ratio because the volume of biogas production from the reactor is fluctuating based on the volume of raw material, such as processed cow dung. Therefore, a control method using a PID Controller is constructed to determine the best value of the AFR on a dual fuel generator. The objective is to generate an optimal output of electric power. The generator set is a tool used to generate energy or electrical power. The electric power generated by the generator set used to supply the electrical loads in this research are lamps. Power produced by a generator set ranges from 100 to 1200 watts. The power generated by the generator set is affected by a mixture of air and fuel. The generator set is dual fuel. From the results of this study, a stable response with an overshoot value is below 0% and its error is 2%. In addition, the best-obtained value of the AFR is 15.06. Furthermore, the stability of the power generated by the generator set is also influenced by the flow rate mass of the fuel injected into the combustion chamber. From the simulation results, when given a power set point at 1200 watts, the obtained value of the air mass flow rate is 0.03754 kg/s, the mass flow rate of biogas is 0.002367 kg/s, and the gasoline constant mass flow rate is 0.000125 kg/s. Meanwhile, when given a set point of 100 watts and a value of 0.009928 kg/s air mass flow rate is injected into the chamber, the mass flow rate of biogas is 0.0005341 kg/s, and the mass flow rate of gasoline is 0.000125 kg/s. In this research, the value of AFR for complete combustion on a dual fuel system is 15.06. The results have shown that the PID Controller has been successfully implemented to regulate AFR, and the generator output of power can be constant.