A new approach for control the velocity of the hydrostatic system for scissor lift with fixed displacement pump

Stawiński, Łukasz; Kosucki, Andrzej; Morawiec, Adrian; Sikora, M.

doi:10.1016/j.acme.2019.06.001

Cited by 16 publications

(3 citation statements)

References 10 publications

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“…In the study, to minimize these risks, the rigidity of the platform against sudden movement transitions and jolts was increased with the frequency inverter device added to the system, and the ramped operation of the motor was ensured [20]. Thus, new advantages have been obtained from using the inverter in hydrostatic systems, such as increasing efficiency, controlling acceleration, and improving operational safety [21]. In Figure 8, frequency-time graphs of non-inverter and inverter electric motors are given comparatively.…”

Section: Resultsmentioning

confidence: 99%

Design and Prototype Production of Scissor Lift Platform 25 Tons Capacity

Solmazyiğit¹,

Başkurt²,

Ovalı

et al. 2022

EJRnD

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In this study, an innovative 25-ton-capacity scissor lift was designed for the first time, and a prototype was produced in Onder Group Inc. Within the scope of the study, a rolling bearing system was designed instead of the conventional welded scissor-hinge connection system. Static and strength calculations were made using finite element analysis for comparison purposes. As a result of the analysis, it was determined that the stress distribution on the roller bearing system was more homogeneous and at lower values (≈60 MPa) than the welded hinge system. In addition, a detachable (bolted) joint was obtained instead of a fixed (welded) joint with the designed rolling bearing system. With the design analyses carried out within the scope of the study, a particular joint-clamp system was made to expand the surface areas of the welded joints.

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Section: Resultsmentioning

confidence: 99%

Design and Prototype Production of Scissor Lift Platform 25 Tons Capacity

Solmazyiğit¹,

Başkurt²,

Ovalı

et al. 2022

EJRnD

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“…The use of the FI in typical drive systems with directional flow valves is the simplest and relatively inexpensive solution. In [26], the research of the use of FI together with a simple flow directional valve to control the scissor lift operation was presented. The authors described the possibility of lifting the system with a variable ratio, with different loads, maintaining a constant speed of the working platform.…”

Section: Introductionmentioning

confidence: 99%

Applicability of MCDM Algorithms for the Selection of Phase Change Materials for Thermal Energy Storage Heat Exchangers

Felix

Rajagopal

Kumaresan

2021

SV-JME

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Latent heat thermal energy storage heat exchangers store heat energy by virtue of the phase transition that occurs in the thermal storage media. Since phase change materials (PCMs) are utilized as the media, there is a critical necessity for the appropriate selection of the PCM utilized. Since multiple thermo-physical properties and multiple PCMs are required to be evaluated for the selection, there arises a need for multiple criteria decision making (MCDM) algorithms to be adopted for the selection. But owing to the different weight estimation techniques employed and the voluminous quantity of selection algorithms available, there arises a need for a comparative methodology to be adopted. This study was intended to select an optimal PCM for a sustainable steam cooking application coupled with a thermal energy storage system. In this research study, six PCMs were chosen as the alternatives and five thermo-physical properties were chosen as the criteria for the evaluation. 11 different algorithms were augmented with 3 different weight estimation techniques and therefore a total of 33 algorithms were employed in this study. All of the algorithms have chosen Erythritol as the optimal PCM for the application. The outcomes of the MCDM algorithms have been validated through an intricate Pearson’s correlation coefficient study.

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“…digunakan untuk mengangkat beban secara perlahan [5] [6]. Cara kerja dongkrak pneumatik sama dengan dongkrak hidrolik hanya saja dongkrak pneumatik menggunakan fluida kompresibel sedangkan hidrolik menggunakan fluida inkompresibel [7].…”

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Analisis Gaya Pada Silinder Untuk Alat Angkut Tipe Hydraulic Scissor Lift Kapasitas 1.000 Kg

Fitriani¹,

Aprianto²,

Muftinur³

et al. 2021

JTMMX

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Penelitian ini bertujuan untuk menganalisis gaya yang bekerja pada bagian silider pada perancangan alat angkut dengan tipe scissor lift yang saat ini banyak digunakan di dunia industri. Alat yang dirancang mampu mengangkat beban 1000 kg berdasarkan perhitungan menggunakan standar ANSI MH29.1-2012. Selain dirancang secara perhitungan manual, simulasi model juga digunakan untuk mengkonfirmasi hasil perhitungan secara manual. Berdasarkan hasil perhitungan diperoleh gaya silider pada posisi terendah sebesar 23.641,74 N. Selain itu, beban gaya silider pada posisi tertinggi sebesar 74.473,03 N. Berdasarkan hasil perhitungan tegangan manual yang didapat dapat disimpulkan bahwa tegangan yang dihitung tidak melebihi tegangan normal yang diijinkan sehingga desain scissor lift kapasitas 1.000 kg berdasarkan standar ANSI MH29.1-2012 dinyatakan bisa dibuat untuk difabrikasi.

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A new approach for control the velocity of the hydrostatic system for scissor lift with fixed displacement pump

Cited by 16 publications

References 10 publications

Design and Prototype Production of Scissor Lift Platform 25 Tons Capacity

Design and Prototype Production of Scissor Lift Platform 25 Tons Capacity

Applicability of MCDM Algorithms for the Selection of Phase Change Materials for Thermal Energy Storage Heat Exchangers

Analisis Gaya Pada Silinder Untuk Alat Angkut Tipe Hydraulic Scissor Lift Kapasitas 1.000 Kg

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