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  • 1
    Online Resource
    Online Resource
    Controllers design for the semi-automation shrimps tempura frying production line
    Viet Nam National University Ho Chi Minh City ; 2021
    In:  Science & Technology Development Journal - Engineering and Technology ( 2021)
    Details
    In: Science & Technology Development Journal - Engineering and Technology, Viet Nam National University Ho Chi Minh City, ( 2021)
    Abstract: Nowadays, the applications of automatic control systems have been developing very fast in many diversify of the industry fields. One of the most significant industry that is needed to care and focus to develop this automation technology in order to reduce the huge number of workers and increase the productivity is the seafood industries. Normally, the seafood industry has a lot of workers to carry out everything manually. There still remain many research topics relating to this field to help this industry to develop in the trend of 4.0 ages. The semi–automation shrimps Tempura frying production line is a system to make Tempura shrimps with high productivity. The workers simply put the shrimps into the serial of chain frying molds and the system will automatically do the whole production process to produce the completed Tempura shrimps. The whole process to produce Tempura shrimps includes the following steps: (1) Shaping shrimp and cover with powder solution by automatic powder solution spraying system; (2) Complete frying to make the shrimps to be cooked; (3) Oil draining system to remove the remain oil inside the shrimp and the powder cover. Then the finished products will be put into the frozen system to preserve. The whole production line will be separated into 3 main modules: Module 1: The shaping module (first time frying) and powder solution spraying module; Module 2: The deep fry module (second time frying); Module 3: The oil draining module. This paper introduces about the control system for each module and the controller of the whole system to make a complete semi-automation shrimp tempura frying production line. Some controller technology as On/Off, PID control algorithms are proposed to apply for the whole production line as: speed control of the stainless-steel chain conveyors, temperature control of the cooked tanks, quantitative control of the powder solution amount to be sprayed on the shrimps, the oil draining conveyor speed, the heat and air flow control of the oil draining module.
    Type of Medium: Online Resource
    ISSN: 2615-9872
    URL: Article
    DOI: 10.32508/stdjet.v4i3.873
    Language: Unknown
    Publisher: Viet Nam National University Ho Chi Minh City
    Publication Date: 2021
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  • 2
    Online Resource
    Online Resource
    Design the semi-automation shrimps tempura frying production line
    Viet Nam National University Ho Chi Minh City ; 2021
    In:  Science & Technology Development Journal - Engineering and Technology ( 2021)
    Details
    In: Science & Technology Development Journal - Engineering and Technology, Viet Nam National University Ho Chi Minh City, ( 2021)
    Abstract: Currently, Tempura shrimp consumption is very high in most Japanese restaurants all over the world. There are many companies that produce Tempura shrimp to provide for many restaurants as well as to sell in many supermarkets in many countries. In fact, the benefits of this product are enormous for the seafood industry in Vietnam as well as in other countries. However, most of the companies that produce the Tempura shrimps manually by workers. There are a lot of workers who fry shrimp manually to keep the company productive. The quality of this product also bases on the skill of the workers. And, to satisfy the condition of mass production, the enterprise also needs the very large area to set up the workplace for the workers. Secondly, this situation leads to the practical results that the quality of Tempura shrimp is not identical, unstable and the amount of waste is very high. Therefor, the requirement for the application of automatic control system in this tempura field can help the company to solve these difficult problems. This issue is the primary focus of this document. It is the situation of the Tempura fried shrimp companies which lead them to implement automated systems to replace unskilled workers. This paper presents the design of the whole semi automation single-side Tempura shrimp frying production line to propose some innovation about the shrimp tempura frying process. The entire Tempura semi automation production line consists of 3 main modules. Each module can operate as an independent machine. The workers just put the coated shrimp in the molds and then the frying process will perform the remaining steps automatically. The first module (Module 1) is the shaping module or the first time frying module. The powder solution also installed with this module. The second module (Module 2) is the finished frying module. Finally, the oil drainning module (Module 3) using the technique of the hot heating airflow system to drain the excess oil inside the Tempura shrimps.
    Type of Medium: Online Resource
    ISSN: 2615-9872
    URL: Article
    DOI: 10.32508/stdjet.v4i4.871
    Language: Unknown
    Publisher: Viet Nam National University Ho Chi Minh City
    Publication Date: 2021
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  • 3
    Online Resource
    Online Resource
    Dynamic Analysis of a Robotic Fish Propelled by Flexible Folding Pectoral Fins
    Cambridge University Press (CUP) ; 2020
    In:  Robotica Vol. 38, No. 4 ( 2020-04), p. 699-718
    Details
    In: Robotica, Cambridge University Press (CUP), Vol. 38, No. 4 ( 2020-04), p. 699-718
    Abstract: Biological fish can create high forward swimming speed due to change of thrust/drag area of pectoral fins between power stroke and recovery stroke in rowing mode. In this paper, we proposed a novel type of folding pectoral fins for the fish robot, which provides a simple approach in generating effective thrust only through one degree of freedom of fin actuator. Its structure consists of two elemental fin panels for each pectoral fin that connects to a hinge base through the flexible joints. The Morison force model is adopted to discover the relationship of the dynamic interaction between fin panels and surrounding fluid. An experimental platform for the robot motion using the pectoral fin with different flexible joints was built to validate the proposed design. The results express that the performance of swimming velocity and turning radius of the robot are enhanced effectively. The forward swimming velocity can reach 0.231 m/s (0.58 BL/s) at the frequency near 0.75 Hz. By comparison, we found an accord between the proposed dynamic model and the experimental behavior of the robot. The attained results can be used to design controllers and optimize performances of the robot propelled by the folding pectoral fins.
    Type of Medium: Online Resource
    ISSN: 0263-5747 , 1469-8668
    URL: Article
    DOI: 10.1017/S0263574719000997
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2020
    detail.hit.zdb_id: 2002662-6
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  • 4
    Online Resource
    Online Resource
    Application of 3D face recognition in the access control system
    Cambridge University Press (CUP) ; 2022
    In:  Robotica Vol. 40, No. 7 ( 2022-07), p. 2449-2467
    Details
    In: Robotica, Cambridge University Press (CUP), Vol. 40, No. 7 ( 2022-07), p. 2449-2467
    Abstract: Over the years, face recognition has been the research topic that has attracted many researchers around the world. One of the most significant applications of face recognition is the access control system. The access control system allows authorized persons to enter or exit certain or restricted areas. As a result, it will increase the security situation without over-investment in staff security. The access information can be the identification, time, and location, etc. It can be used to carry out human resource management tasks such as attendance and inspection of employees in a more fair and transparent manner. Although face recognition has been widely used in access control systems because of its better accuracy and convenience without requiring too much user cooperation, the 2D-based face recognition systems also retain many limitations due to the variations in pose and illumination. By analyzing facial geometries, 3D facial recognition systems can theoretically overcome the disadvantages of prior 2D methods and improve robustness in different working conditions. In this paper, we propose the 3D facial recognition algorithm for use in an access control system. The proposed algorithm includes the preprocessing, feature extraction, and classification stages. The application of the proposed access control system is the automatic sliding door, the controller of the system, the web-based monitoring, control, and storage of data.
    Type of Medium: Online Resource
    ISSN: 0263-5747 , 1469-8668
    URL: Article
    DOI: 10.1017/S0263574721001739
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2022
    detail.hit.zdb_id: 2002662-6
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  • 5
    Online Resource
    Online Resource
    Controllers Design for the Multi-Shuttle and Multi-Station Transportation System
    Scientific Research Publishing, Inc. ; 2021
    In:  Open Journal of Applied Sciences Vol. 11, No. 08 ( 2021), p. 946-965
    Details
    In: Open Journal of Applied Sciences, Scientific Research Publishing, Inc., Vol. 11, No. 08 ( 2021), p. 946-965
    Type of Medium: Online Resource
    ISSN: 2165-3917 , 2165-3925
    URL: Article
    DOI: 10.4236/ojapps.2021.118069
    Language: Unknown
    Publisher: Scientific Research Publishing, Inc.
    Publication Date: 2021
    detail.hit.zdb_id: 2681791-3
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  • 6
    Online Resource
    Online Resource
    A Study on Design and Control of the Multi-Station Multi-Container Transportation System
    MDPI AG ; 2022
    In:  Applied Sciences Vol. 12, No. 5 ( 2022-03-04), p. 2686-
    Details
    In: Applied Sciences, MDPI AG, Vol. 12, No. 5 ( 2022-03-04), p. 2686-
    Abstract: In considering the problem of saving spaces during the transportation of items from one station to another, for example, in warehouses, factories, hospitals, etc., an automatic transportation system (ATS) that could take advantage of the above ceiling spaces for the transportation of products is considered. Such a system guarantees that the activities occurring in the floor area will be maintained as usual. To achieve this requirement, the ceiling spaces of a building are used to construct an automatic multi-station multi-container (MSMC) transportation system. This system can transport items from one place to another in the whole system. This system is designed to utilize the spaces above the ceiling, and it has the advantage of saving floor space for transportation operations. This will increase the operational capability of the industries and also improve the productivity of the industry in which this system is implemented. The entire transportation system includes (1) the essential conveying system (which is a functional conveyor module with a specified number of containers); (2) the control block that can monitor and operate the system; and (3) the sensor block for detecting and identifying the containers. The content of this article focuses on the introduction of the mechanical system (1); the control system (2); and the operating principle of the whole system (3).
    Type of Medium: Online Resource
    ISSN: 2076-3417
    URL: Article
    DOI: 10.3390/app12052686
    Language: English
    Publisher: MDPI AG
    Publication Date: 2022
    detail.hit.zdb_id: 2704225-X
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  • 7
    Online Resource
    Online Resource
    A Study on the Design and Control of the Overhead Hoist Railway-Based Transportation System
    MDPI AG ; 2023
    In:  Applied Sciences Vol. 13, No. 17 ( 2023-09-04), p. 9985-
    Details
    In: Applied Sciences, MDPI AG, Vol. 13, No. 17 ( 2023-09-04), p. 9985-
    Abstract: Overhead hoist transportation systems (OHTS) have been the subject of worldwide research and development in recent years. The majority of these systems are utilized in semi-automated or fully automated factories. This article proposes a new solution for OTHS based on the concept of the modulation of mobile units that can move on a railway structure from one point to another. The OHTS mentioned in this article is a group of shuttles that can operate independently but which also have the ability to cooperate together to complete the desired tasks. By using the space below the ceiling, this system can operate without affecting the original design of the factories. There are many potential fields of application for picking-up and delivering, such as the medical field, the food and beverage fields, automotive and electrical appliances, etc. Moreover, by applying Dijkstra’s algorithm in the controller design, the transportation speed among the stations in the whole system can be improved. The real prototype of the whole system, including three shuttles, is also manufactured to explore and assess the design and operation of the proposed system and its controller.
    Type of Medium: Online Resource
    ISSN: 2076-3417
    URL: Article
    DOI: 10.3390/app13179985
    Language: English
    Publisher: MDPI AG
    Publication Date: 2023
    detail.hit.zdb_id: 2704225-X
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  • 8
    Online Resource
    Online Resource
    Propulsive Velocity Optimization of 3-Joint Fish Robot Using Genetic-Hill Climbing Algorithm
    Springer Science and Business Media LLC ; 2009
    In:  Journal of Bionic Engineering Vol. 6, No. 4 ( 2009-12), p. 415-429
    Details
    In: Journal of Bionic Engineering, Springer Science and Business Media LLC, Vol. 6, No. 4 ( 2009-12), p. 415-429
    Type of Medium: Online Resource
    ISSN: 1672-6529 , 2543-2141
    URL: Article
    DOI: 10.1016/S1672-6529(08)60140-7
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2009
    detail.hit.zdb_id: 2233712-X
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  • 9
    Online Resource
    Online Resource
    An application of genetic algorithm to optimize the 3-Joint carangiform fish robot’ s links to get the desired straight velocity
    Viet Nam National University Ho Chi Minh City ; 2015
    In:  Science and Technology Development Journal Vol. 18, No. 1 ( 2015-03-31), p. 27-36
    Details
    In: Science and Technology Development Journal, Viet Nam National University Ho Chi Minh City, Vol. 18, No. 1 ( 2015-03-31), p. 27-36
    Abstract: Biomimetic robot is a new branch of researched field which is developing quickly in recent years. Some of the popular biomimetic robots are fish robot, snake robot, dog robot, dragonfly robot, etc. Among the biomimetic underwater robots, fish robot and snake robot are mostly concerned. In this paper, we study about an optimization method to find the design parameters of fish robot. First, we analyze the dynamic model of the 3-joint Carangiform fish robot by using Lagrange method. Then the Genetic Algorithm (GA) is used to find the optimal lengths’ values of fish robot’s links. The constraint of this optimization problem is that the values of fish robot’s links are chosen that they can make fish robot swim with the desired straight velocity. Finally, some simulation results are presented to prove the effectiveness of the proposed method
    Type of Medium: Online Resource
    ISSN: 1859-0128 , 1859-0128
    URL: Article
    DOI: 10.32508/stdj.v18i1.920
    Language: Unknown
    Publisher: Viet Nam National University Ho Chi Minh City
    Publication Date: 2015
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  • 10
    Online Resource
    Online Resource
    Turning control of a 3- Joint carangiform fish robot using sliding mode based controllers
    Viet Nam National University Ho Chi Minh City ; 2015
    In:  Science and Technology Development Journal Vol. 18, No. 1 ( 2015-03-31), p. 14-26
    Details
    In: Science and Technology Development Journal, Viet Nam National University Ho Chi Minh City, Vol. 18, No. 1 ( 2015-03-31), p. 14-26
    Abstract: The fish robot is a new type of biomimetic underwater robot which is developing very fast in recent years by many researchers. Because it moves silently, saves energy, and is flexible in its operation in comparison to other kinds of underwater robots, such as Remotely Operated Vehicles (ROVs) or Autonomous Underwater Vehicles (AUVs). In this paper, we propose an efficient advanced controller that runs well in controlling the motion for our fish robot. First, we derive a new dynamic model of a 3-joint (4 links) Carangiform fish robot. The dynamic model also addresses the heading angle of a fish robot, which is not often covered in other research. Second, we present a Sliding Mode Controller (SMC) and a Fuzzy Sliding Mode Controller (FSMC) to the straight motion and turning motion of a fish robot. Then, in order to prove the effectiveness of the SMC and FSMC, we conduct some numerical simulations to show the feasibility or the advantage of these proposed controllers.
    Type of Medium: Online Resource
    ISSN: 1859-0128 , 1859-0128
    URL: Article
    DOI: 10.32508/stdj.v18i1.918
    Language: Unknown
    Publisher: Viet Nam National University Ho Chi Minh City
    Publication Date: 2015
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