Judul: Rancang bangun sistem informasi manajemen untuk pengelolaan Asset Retirement di PT Toyota Motor Manufacturing Indonesia (PT. TMMIN)
Abstrak: Pelaksanaan magang di PT Toyota Motor Manufacturing Indonesia (PT TMMIN) melalui program Internship Program for University Student (IPUS), penulis ditempatkan pada Finance Division, Financing & Asset Control Department, Property Control Section. Pada awal masa kerja diberikan pelatihan dan pemahaman tentang Toyota Business Practice (TBP), yang merupakan metode analisis yang digunakan untuk menemukan dan mengatasi permasalahan serta improvisasi kegiatan perusahaan. Improvisasi yang dilakukan mengambil tema Double Asset Number. Dalam hal ini dilakukan klarifikasi dan evaluasi data hasil Physical Check Asset (PCA). Kondisi di lapangan menunjukkan adanya ketidaksesuaian standar pelabelan aset. Setiap aset seharusnya mempunyai nomor aset yang unik, namun terdapat beberapa aset yang memiliki nomor aset yang sama pada labelnya. Oleh karena itu dibuat semacam Control Check Tools yang berbasis excel workbook dengan formula dan fungsi di dalamnya, terdapat pencatatan order label aset, sehingga mengurangi resiko pencetakan label lebih dari sekali dengan nomor aset yang sama. Manfaat yang didapatkan selama magang adalah meningkatnya kemampuan analisis, terutama dengan dipelajarinya Toyota Business Practice (TBP) dalam melakukan improvement sebagai metode yang sistematis menjelaskan langkah-langkah pemecahan masalah. Selain itu meningkatnya kerjasama dalam tim, menyampaikan pendapat, berpikir kritis dalam menghadapi permasalahan, serta melatih profesionalisme.
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Judul: Penerapan Toyota Business Practices (TBP) Untuk Menganalisis Domestikasi Pembuatan Baut pada Kendaraan Tipe IMV 4 dan IMV 5 di PT Toyota Motor Manufacturing Indonesia
Abstrak: Toyota Business Practices is a systematic pattern of work processes that integrate the wisdom of all members of Toyota in the pursuit of continuous growth and the pursuit of satisfaction. Therefore, solving the problems in Toyota's done systematically, so that eventually every outcome of a process can be followed and emulated by all employees. Through this internship analyzed domestication making bolts for models of IMV (Innovative Multipurpose Vehicle) 4 and 5 by using the Toyota Business Practice. Stages of the Toyota Business Practice is Background, Problem Clarification, Breakdown Analysis, Target Setting, Root Cause Analysis, Countermeasure, Countermeasure See Through, Evaluation, Standardization. Project domestication of bolts making this a way to include the manufacture of bolts with bolts Daihatsu is making has been made in Indonesia.
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Judul: Hybrid solar cells of ZnO nanoparticles/chlorophyll was modified metal ions (Zn2+ and Cu2+ )
Abstrak: Zinc Oxide (ZnO) is a n-type semiconductor with a wide the energy band (Band Gap) is 3.37 eV at room temperature and 3.34 eV at low temperature with a large exiton binding energy is 60 meV. ZnO has been synthesized by hydrothermal method, resulting in a decrease in particle size over the duration of the hydrothermal changes. Crystallographic structure of ZnO were characterized using XRD, has shown the characteristic pattern of a hexagonal wurtzite structure, the crystallite size increases to changes in particle size. Changes in particle size has also led to a change in the absorption peak of ZnO as has been demonstrated posted under test using the optical properties of UV-Vis spectrophotometer. Changes of this uptake has also led to changes in the energy band gap, which increases its band gap energy of the particle size. In electronic applications, especially in solar cells. Chlorophyll is considered less effective, because of their very nature are easily degraded as a result of several reactions which are acid, lighting and temperature. The results of the stability test using a halogen lamp 34 W/m2 for 5 hours, that the substitution of chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form more stable than natural chlorophyll. The characterization of the optical properties, the combination of ZnO / chlorophyll in the form of hybrid films has led to a shift in the absorption region of ZnO becomes more widely from the UV to Visible. ZnO/chlorophyll has absorption range of 350-515 nm, ZnO / Zn-feofitin 332-401 nm and 332-632 nm for Cu-feofitin. The combination of ZnO/chlorophyll and CuSCN as a solid electrolite in hybrid solar cell, a modified chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form a more stable I-V curve. It is characterized by its fill factor value greater than natural chlorophyll. Nevertheless, solar cells with natural chlorophyll has been able to produce higher efficiency values of chlorophyll were substituted.
Keyword: Hydrothermal, ZnO/Chlorophyll modified, Hybrid Solar Cell