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Designs, Volume 2, Issue 1

2018 March - 10 articles

Cover Story: Using fully free and open source hardware for your scientific hardware can reduce costs as much as 99%. Distributed manufacturing techniques like 3-D printing allow for designs to be shared, and improved on at a global scale. Open source hardware is customizable, openly documented, and under control of the researcher using the design. This study provides five steps in the procedure, encompassing six design principles for the development of free and open-source hardware for scientific applications. This standardized procedure is laid out so that anyone can contribute to free and open source hardware successfully. View the paper here.
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Articles (10)

  • Article
  • Open Access
62 Citations
28,798 Views
16 Pages

8 March 2018

Design and operation of mixing systems using agitated vessels is a difficult task due to the challenge of obtaining accurate information on impeller-induced turbulence. The use of Computational Fluid Dynamics (CFD) can provide detailed understanding...

  • Feature Paper
  • Article
  • Open Access
71 Citations
16,404 Views
17 Pages

The parabolic trough collector is one of the most developed solar concentrating technologies for medium and high temperatures (up to 800 K). This solar technology is applied in many applications and so its investigation is common. The objective of th...

  • Article
  • Open Access
4 Citations
3,801 Views
17 Pages

13 February 2018

When the Takagi–Sugeno (T-S) fuzzy model is used to design controllers for a concerned system, the discrepancy between the system and its T-S fuzzy model becomes crucial sometimes in terms of control performance, particularly in cases when the magnit...

  • Feature Paper
  • Article
  • Open Access
5 Citations
5,813 Views
18 Pages

13 February 2018

Structural system design is the process of giving form to a set of interconnected components subjected to loads and design constraints while navigating a complex design space. While safe designs are relatively easy to develop, optimal designs are not...

  • Article
  • Open Access
3 Citations
4,510 Views
18 Pages

Design of Distributed Multi-Actuator Systems with Incomplete State Information for Vibration Control of Large Structures

  • Francisco Palacios-Quiñonero,
  • Josep Rubió-Massegú,
  • Josep Maria Rossell and
  • José Rodellar

11 February 2018

In this paper, we investigate the design and performance of static feedback controllers with partial-state information for the seismic protection of tall buildings equipped with incomplete multi-actuation systems. The proposed approach considers a pa...

  • Article
  • Open Access
8 Citations
4,899 Views
11 Pages

Vehicle Accident Databases: Correctness Checks for Accident Kinematic Data

  • Dario Vangi,
  • Carlo Cialdai,
  • Michelangelo-Santo Gulino and
  • Kjell Gunnar Robbersmyr

26 January 2018

(1) Background: Data collection procedures allow to obtain harmonization of in-depth road accident databases. Plausibility of calculable accident-related kinematic parameters depends on the constraints imposed on calculation, making their uncertainty...

  • Feature Paper
  • Article
  • Open Access
1 Citations
3,815 Views
15 Pages

17 January 2018

This paper investigates the sliding mode control for high-frequency sampled-data systems with actuator faults. Besides matched nonlinearity, this paper also considers unmeasurable states and unknown actuator degradation ratio as important factors of...

  • Article
  • Open Access
89 Citations
16,804 Views
15 Pages

30 December 2017

Distributed digital manufacturing of free and open-source scientific hardware (FOSH) used for scientific experiments has been shown to in general reduce the costs of scientific hardware by 90–99%. In part due to these cost savings, the manufacturing...

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Designs - ISSN 2411-9660