Digital hydraulic power management system

The Digital Hydraulic Power Management System (DHPMS) is a solution based on the digital pump-motor technology and has shown to be a promising approach to improve the energy efficiency of hydraulic systems.
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Comparison of Proportional Control and Displacement Control

The Digital Hydraulic Power Management System (DHPMS) is a solution based on the digital pump-motor technology and has shown to be a promising approach to improve the energy efficiency of hydraulic systems. The DHPMS is controlled by active on/off valves, but unlike the digital pump-motors the DHPMS has multiple independent outlets; hence, the

Experimental evaluation of a digital hydraulic power management system

The digital hydraulic power management system is a new energy-efficient alternative to the fluid power system. Based on digital (stroke to stroke) control of each piston of the pumping unit, its functionality consisted of (1) an arbitrary number of independent outlets, (2) service of each outlet at arbitrary pressure levels, (3) energy recovery from each outlet back to the prime mover, (4

Power management of multi-source network hydraulic system

DOI: 10.1016/j.enconman.2020.113247 Corpus ID: 224967521; Power management of multi-source network hydraulic system with multiple actuators @article{Yao2020PowerMO, title={Power management of multi-source network hydraulic system with multiple actuators}, author={Jing Yao and Peixun Wang and Yuxin Yin and Ma Li and Yao Li}, journal={Energy Conversion and

Digital hydraulic multi-pressure actuator – the concept, simulation

Another digital hydraulic approach which aims to lower the energy losses of complete hydraulic systems is the Digital Hydraulic Power Management System or DHPMS, which is based on a digital hydraulic pump/motor. The DHPMS can supply the control valves of actuators as in Karvonen et al.

ANALYSIS BY SIMULATION OF DIFFERENT CONTROL

power supply system is the Digital Hydraulic Power Management System (DHPMS), which can serve many actuators at optimised supply pressure but is also capable of motoring and transforming. This functionality holistically reduces losses in the system. Losses can be further reduced by using distributed valve systems with sophisticated control

Efficient Control of a Switched Inertance Hydraulic Converter

Abstract. Digital hydraulics is a novel alternative to proportional or servovalve-controlled systems in fluid power engineering, providing hydraulic systems with high-energy efficiency, good controllability, and insensitivity to contamination. Switched inertance hydraulic converters (SIHCs) are new digital hydraulic devices that can adjust flow and pressure by

Displacement control of a mobile crane using a digital hydraulic power

Artemis Intelligent Power Ltd. [14] is a pioneer of the digital pump-motor technology on which the digital hydraulic power management system (DHPMS) [15] is based. The DHPMS, though, is a solution that comes with multiple outlets and also enables a third function, transforming as well. Furthermore, the flow can be shared arbitrarily between the

Digital hydraulic power management system

Linjama, M & Huhtala, K 2010, Digital hydraulic power management system - towards lossless hydraulics. in A Laamanen & M Linjama (eds), Proceedings of the Third Workshop on Digital Fluid Power, October 13-14 2010, Tampere, Finland. pp. 5-22.

Control of Multi-Pressure Hydraulic Supply Line Using Digital Hydraulic

However, more advanced features are available if Digital Hydraulic Power Management System DHPMS is utilized. The DHPMS is in essence, a digital pump/motor/transformer with multiple outlets. Controller design of DHPMS in hydraulic bus application is described in the paper and simulation results show the system''s ability to simultaneously

Energy Efficient Digital Hydraulic Power Management of a Multi

The chase of this dream has resulted in a digital hydraulic power management system - a DHPMS, or more likely the DHPMS as it is currently the only one of its kind in the world. Combining these two "dream-come-true" pieces of technology together, efficient hydraulic circuit design is made feasible. However, the control of such combination is

Digital Hydraulics | IHA

"Digital hydraulic multi-pressure actuator–the concept, simulation study and first experimental results." International Journal of Fluid Power, vol. 18, no. 3 (2017): 141-152. M. Heikkilä, and M. Linjama. "Displacement control of a mobile crane using a digital hydraulic power management system." Mechatronics, vol. 23, no. 4 (2013

Review and Development Trend of Digital Hydraulic Technology

The digital hydraulic power control system (DHPMS) is an integrated volumetric component which can provide multiple independent outputs Tammisto, J.; Linjama, M.; Huhtala, K. Digital Hydraulic Power Management System—Measured Characteristics of a Second Prototype. In Proceedings of the Eighth Workshop on Digital Fluid Power, Tampere

Hydraulic Energy Recovery in Displacement Controlled

controlled system by 18.5 % and the series-parallel hybrid by a corresponding 20.3%. 1.3 Digital hydraulic power management system Digital hydraulic power management system (DHPMS) is one solution towards more energy efficient hydraulic systems [11]. The DHPMS can be considered as a digital pump-motor but in addition, independently controlled

Displacement control of a mobile crane using a digital hydraulic power

DOI: 10.1016/J.MECHATRONICS.2013.03.009 Corpus ID: 110837027; Displacement control of a mobile crane using a digital hydraulic power management system @article{Heikkil2013DisplacementCO, title={Displacement control of a mobile crane using a digital hydraulic power management system}, author={Mikko Heikkil{"a} and Matti Linjama},

Optimization of Multi-Way Valve Structure in Digital Hydraulic System

A digital hydraulic variable control method based on multi-way valve spool displacement feedback is proposed, which combines the advantages of low cost and high reliability of the loader fixed displacement pump hydraulic system, and the distinguished energy saving effect of the Loaders'' Variable Pump hydraulic system. In this paper, a digital hydraulic

Digital hydraulic single-link trajectory tracking control through flow

Linjama and Heikkila 5 presented a digital hydraulic power management system, which is based on digital pump–motor technology, thus providing an option of multi-independent outlet ports. Flow input to the digital hydraulic system is controlled by pump–motor unit as per the requirement. The results show that a significant amount of power is

Analysis of Real-Time Properties of a Digital Hydraulic Power

The paper presents a case study involving a Digital Hydraulics Power Management System (DHPMS). The system is a cyber-physical system, where actions need to be taken with high precision in order to ensure that the system works safely and energy efficiently. Here high...

Displacement control of a mobile crane using a digital hydraulic power

Displacement control of a mobile crane using a digital hydraulic power management system; Julkaisun otsikon käännös: Displacement control of a mobile crane using a digital hydraulic power management system: Mikko Heikkilä, Matti Linjama. Tutkimustuotos: Artikkeli › Scientific ›

About Digital hydraulic power management system

About Digital hydraulic power management system

The Digital Hydraulic Power Management System (DHPMS) is a solution based on the digital pump-motor technology and has shown to be a promising approach to improve the energy efficiency of hydraulic systems.

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