Review of Research and Development of Hydraulic Synchronous Control System

Li, Ruichuan; Yuan, Wentao; Ding, Xinkai; Xu, Jikang; Sun, Qiyou; Zhang, Yisheng

doi:10.3390/pr11040981

Cited by 9 publications

(6 citation statements)

References 25 publications

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“…This starts from the assumption that the control accuracy of a hydraulic control system (valve control system and pump control system) and its related PID control algorithms must be ensured to reduce the energy consumption of the system [25].…”

Section: Introductionmentioning

confidence: 99%

Integrated Design and Control of a Sustainable Stormwater Treatment System

Balcazar,

Rubio,

Hernandez

et al. 2024

Processes

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In this work, issues of water separation and purification are addressed, where, in order to achieve the desired results, it is necessary to use several disciplines such as classical physics, biotechnology, automatic control, automation, and applications of industry 4.0. Further, the need for comprehensive and automated solutions for rainwater treatment in the agricultural sector is addressed. This research focuses on designing and implementing a system adapted to these needs using Siemens technologies. The methodology ranges from the design of the Piping and Instrumentation Diagram (P&ID) to the implementation of the interface, incorporating Siemens technologies for data acquisition, electrical connections, treatment programming, and PID controller design. The results show significant advances in the development of the system, highlighting the effectiveness of automation and the HMI-PLC human–machine interface in process monitoring and control. These findings support the viability of a comprehensive rainwater treatment system for the agricultural sector, with important implications for water efficiency, environmental preservation, and increased productivity in agricultural and livestock activities. The contribution of this work is the relationship between engineering and research focused on industrial processes. The scientific contribution is to obtain the dynamic models and apply two strategies to obtain the gains of the PID controller. The first method is performed through the proposal of a Hurwitz polynomial, and the second is performed through genetic algorithms (GA), where they are implemented in a controller that is commonly used in the industry. The technological part includes the integration of work (schemes, programming, and communications) so that the result is as close to what was expected.

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Section: Introductionmentioning

confidence: 99%

Integrated Design and Control of a Sustainable Stormwater Treatment System

Balcazar,

Rubio,

Hernandez

et al. 2024

Processes

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“…For hydraulic synchronous closed-loop control, scholars have carried out much research [11]. Ma [12] proposed the improved automatic anti-interference controllerimproved particle swarm optimized position synchronous control method to solve the problem of insufficient platform synchronous control accuracy of the multi-hydraulic cylinder group platform of an anchor digging support robot.…”

Section: Introductionmentioning

confidence: 99%

A Simulation Study of an Electro-Hydraulic Load-Sensitive Variable Pressure Margin Diverter Synchronous Drive System with Time-Varying Load Resistance

Du,

Luo,

Luo

et al. 2024

Processes

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This study aims to address the problem of poor synchronous accuracy when facing a time-varying load in conventional load-sensitive synchronous drive systems. The new electro-hydraulic load-sensitive (EHLS) diverter synchronous drive system was proposed by combining the diverter valve and the EHLS synchronous drive system. The variable pressure margin compensation control was proposed to further improve the system’s synchronous control performance. Based on the system control strategy and component mathematical model, the simulation models of the EHLS, EHLS synchronous, and EHLS diverter synchronous drive systems were established using AMESim, respectively, and the synchronous control performance of the systems was obtained. The simulation results show that the EHLS drive system realized the primary functions of the load-sensitive system and could realize the variable load-sensitive pressure margin control. The EHLS synchronous drive system had poor synchronous control accuracy, but variable pressure compensation valve pressure margin control could be realized. The EHLS diverter synchronous drive system effectively improved the system’s synchronous control performance and diverter synchronous accuracy by variable pressure margin compensation control. The diverter system diverter error was reduced by 40.8%, and the diverter system after the compensation diverter error was reduced by 52.6% when the multi-way valves were fully opening. The system provides the solution for high-performance hydraulic synchronous drives under severe operating conditions.

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“…The synchronization control of multiple axes in welding robot arms is commonly categorized into several approaches, including master command control, master-slave control, cross-coupling control, virtual shaft control, adjacent cross-coupling control, and deviation coupling control [6][7][8]. Among these, the master-slave control method stands out due to its simplicity and ease of implementation.…”

Section: Introductionmentioning

confidence: 99%

An Improved Deviation Coupling Control Method for Speed Synchronization of Multi-Motor Systems

Mu,

Qi,

Sun

et al. 2024

Applied Sciences

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In order to enhance the synchronization of welding robot arms and improve welding quality, this study proposes a fuzzy PID-based improved deviation coupling multi-axis synchronous control method. Firstly, in response to the intricacies inherent in the compensation mechanism of the deviation coupling control structure and the substantial volume of system computation, the integration of average speed and sub-average speed is proposed to optimize the speed compensator. This integration aims to mitigate speed synchronization errors, minimize synchronization adjustment time, and elevate overall system synchronization performance. Moreover, the fuzzy PID algorithm is employed to design the controller to realize the single-motor adaptive control, leading to improvement in both system stability and dynamic response performance. Finally, a simulation model for six-axis synchronization control and an experimental platform were developed. Both simulation and experimental results demonstrate that the improved deviation coupling control method exhibits superior synchronization performance. The proposed multi-axis synchronous control method effectively heightens the synchronous performance of the six-degrees-of-freedom robotic arm.

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Review of Research and Development of Hydraulic Synchronous Control System

Cited by 9 publications

References 25 publications

Integrated Design and Control of a Sustainable Stormwater Treatment System

Integrated Design and Control of a Sustainable Stormwater Treatment System

A Simulation Study of an Electro-Hydraulic Load-Sensitive Variable Pressure Margin Diverter Synchronous Drive System with Time-Varying Load Resistance

An Improved Deviation Coupling Control Method for Speed Synchronization of Multi-Motor Systems

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