Advances in Hydraulic and Pneumatic Drives and Control 2023

Preface
Organization
Contents
Hydraulic Components
New Combined Centrifuge for Cleaning the Working Fluids of Hydraulic Drives from Mechanical Contaminations
1 Introduction
2 New Combined Centrifuge
3 Theoretical Determination of the New Centrifuge Parameters
4 Experimental Studies of the New Centrifuge
5 Operation of the Centrifuge in a Production Environment
6 Conclusion
References
Spool Valve Stability and Sealing Land Deformation
1 Introduction
2 The Gap Seal Model
2.1 Sealing Land Deformation – Simplified Case
2.2 Stabilizing Effect by a Chamfered Land
2.3 A Finite Element Gap Seal Model
3 Summary
References
Modelling of the Hydrostatic Relief in the Cylinder Block of an Axial Piston Pump
1 Introduction
2 Modelling of the Pressure Distribution in the Main Zone of the Valve Plate
3 Movement Trajectories of the Resultant Hydrostatic Force Pressing and Relief the Pump Cylinder Block
References
CFD Approach and Visualization of Fluid Flow in a Single Acting Vane Pump
1 Introduction
2 CFD Modeling
2.1 2D Analysis
2.2 3D Analysis
3 Flow Visualization
3.1 Vane Pump
3.2 Test Bench
3.3 Results
3.4 Discussion of Results
4 Conclusions
References
The Methodology for Determining the Theoretical Based on the Characteristics of Effective Absorbency Versus Pressure Drop in the Motor
1 Introduction
2 Proposed Method for Determining Theoretical and Actual Working Volume
3 Results of the Experiment
3.1 Tested Motor and Test Rig
3.2 Characteristics of the Motor Output Flow Rate
3.3 Theoretical Working Volume
4 The Assessment of Actual Working Volume
5 Conclusions
References
A New Approach in Hydrostatic Drives: “Digital” Pumps
1 Introduction
2 Literature Review
3 Digital Hydraulic Valves
3.1 Parallel Digital Hydraulic Valves
3.2 High-Speed Switching Digital Hydraulic Valve
4 Variable Output Control of Pump Flow
4.1 Digital Control of a Variable Pump
5 New Idea of Designing the Hydrostatic Transmission
5.1 Simulation Model of Classic Hydrostatic Transmission
6 Model of “Digital” Hydrostatic Drive System.
7 Conclusion
References
Digital Control of a Vane Pump
1 Introduction
2 Case Study: Working Principle of a Vane Pump
3 Numerical Simulations and Laboratory Experiments
3.1 Simulation Model and Numerical Studies
3.2 Test Bench and Laboratory Experiments
4 Conclusions
References
Hydraulic Systems
Volumetric Control of Hydrostatic Drives System According to the Principle of the Forced Flow
1 Introduction
2 Operating Principle and Mathematical Modelling
2.1 Variable Speed Pump Link
2.2 Hydraulic Motor Link
3 Experimental Studies
3.1 Controlling the Flow of the Hydraulic System
4 Summary
References
Control Strategy for a Hardware in the Loop Test Bench
1 Introduction
2 Test Rig
3 Control Architecture
3.1 Derivation of the Characteristic Map
3.2 Map Optimization
4 Experimental Comparison
5 Influence on System Dynamics
6 Conclusion
References
Model Based Design of the Hydraulic Actuator
1 Introduction
1.1 Introduction to the MATLAB Application for Hydraulic System Control
2 Design of the Hydraulic System Control
2.1 Design Using Analytical Models
2.2 Model Parameterization Using the Experimentally Obtained Data
2.3 Controller Tuning
3 Practical Use of the Application for Hydraulic System Control and Experimentally Obtained Results
4 Conclusions
References
Comparative Analysis of the Hydrostatic Drive System for a Midi Wheel Loader
1 Introduction
2 Wheel Loader with Classic Drive System-The Benchmark
3 Overview of the Drive Systems Under Study
3.1 Drive System #2 with Integrated Motor
3.2 Drive System #3 with ICVD Gearbox
3.3 Drive System #4 with Bent Axis Motor Coupled to High Ratio (1:35.9) Planetary Gearbox
3.4 Drive System #5 with with Radial Piston Motor with External Cam
3.5 Drive System #6 with Axial Piston Swashplate Motos with Small Ratio Planetary Reducers (1:5)
3.6 Drive System #7 with Hydrostatic Individual Direct Wheel Drive with Switchable Circuits
4 Comparison of Drive Systems
4.1 Qualitative Method of Assessing the Capabilities of Propulsion Systems
4.2 Quantitative Method of Assessing the Capabilities of Propulsion Systems
5 Conclusions
References
Innovative Modular Load Sensing B-type System for Industrial Standard ISO 4401 Subplate
1 Introduction
2 An ISO Mounting Plate for the LS Signal
3 LS Signal Acquisition
3.1 Signal Transmission Paths
3.2 Method of LS-B Signal Discharge in the Directional Valve Neutral Position
4 Elements and Configuration of LS-B Systems
4.1 Directional Control Valves for LS-B Systems
4.2 Example Configuration of a Hydraulic System Based on the LS-B Solution
5 Energetic Analysis of Selected Applications of the LS-B System
5.1 Theoretical Energy Demand of a Standard System
5.2 Calculations for LS-B System with the Fixed-Capacity Pump
5.3 Calculations for LS-B System with the Variable-Capacity Pump
6 Summary and Conclusions
References
Rehabilitation Tricycle with Pneumatic Drive System
1 Introduction
2 The Design of a Rehabilitation Tricycle
3 Prototyping
3.1 Operation Mode Description
4 Laboratory Test
5 Field Tests of the Prototype
6 Conclusions
References
Design of the Stand for Experimental Tests of Pneumatic Bellows Actuators
1 Introduction
2 Experimental Stand Elements
3 Mathematical Model
4 Results
5 Conclusions
References
Effect of Simultaneous Valve Closures in Hydraulic Piping Systems
1 Introduction
2 Analyzed Scenarios
3 Discussion of simulation results of Scenario C
4 Conclusions
Appendix A
References
Hydraulic Modules of Mobile Robotic Bricklaying System
1 Introduction
2 ZSM Control Panel
3 ZSM Hydraulic Power and Control Module
4 Tracked Undercarriage Hydraulic Drive Module
5 Hydraulic Lifting-Levelling Module
6 Hydraulic Robot Gripper
7 Conclusions
References
Preliminary Tests for the Use of Hydrostatic Transmission with Oscillating Energy Flow
1 Introduction
1.1 Ecology in Industry
1.2 Hydrostatic Transmission with Oscillating Energy Flow
2 Mathematical Model
2.1 Hydraulic Piston
2.2 Hydraulic Motor
2.3 Hydraulic Accumulators
2.4 Check Valve
2.5 Pressure Relief Valve
2.6 Inertia
2.7 Summary of Equations
3 Simulation Results
4 Conclusions
References
Mobile Machine with Hydrostatic Hybrid Drive Train
1 Introduction
2 Configuration of the Mobile Machine
3 Electric Drive
4 Summary
References
Comparative Tests of the Impact of Modifications to the Hydrostatic Drive System of Blasting Utility Vehicle WS-153/173
1 Introduction
2 Background
3 Problem Analysis
4 The Test Procedure and Results
5 Discussion
6 Conclusions
References
New Materials and Special Solutions in Fluid Power Technology
Specificity of Designing Hydraulic Cylinders Made of Plastics
1 Introduction
2 Algorithm of Designing Hydraulic Cylinders Made of Plastics
3 Design Stage
3.1 Conceptual Design and Material Selection
3.2 Functional and Strength Calculations
3.3 Executive Design
4 Verification Stage
4.1 Computer Research
4.2 Manufacturing of the Prototype
4.3 Experimental Research
5 Summary
References
Computational and Experimental Study of Plastic Valves with 3D Printed Poppets
1 Introduction
2 Valve with Printed Poppets
3 Numerical Simulations
4 Experimental Verification
5 Summary and Conclusions
References
EHLA-Coated Carbide-Reinforced Control Plates in Axial Piston Pumps First Results from Real-Life Application
1 Introduction
1.1 Axial Piston Pumps
1.2 Extreme High-Speed Laser Application (EHLA)
2 Specimen Preparation
2.1 Coating Process
2.2 Surface Finishing
3 Experimental Results
3.1 Endurance Test
3.2 Efficiency Measurement
4 Summary and Outlook
References
Experimental Study of the Phenomenon of Luminescence in Electrodynamic Processes During Hydrodynamic Cavitation
1 Introduction
2 Method
3 Results
4 Conclusions
References
Stand for Testing Hydraulic Actuators with Modified Working Surfaces
1 Introduction
2 Materials
3 Experimental Test Stand
4 Possibilities of Research
5 Conclusion
References
Energy–Saving in Hydraulic Drives in Experimental Approach and Biomimetric Similarity
1 Introduction
2 Concept Idea
3 Describing of Research Objects Parameters and Test Bench
4 Experimental Tests Result
5 Energy-Saving Research
6 Conclusions
References
Research on a Composite Micro-hose Subjected to Harmonic Loading. Experimental Approach
1 Introduction
2 Object Under Study. Test Site
2.1 Description of the Test Object
2.2 Description of the Test Stand
3 Methodology and Findings
3.1 Methodology
3.2 Implementation of the Tests
3.3 Test Results
4 Discussion. Analysis of Research Results
5 Conclusions
References
Technology of Hydrogen Production from Aluminum Scrap by Using Ultrasonic Cavitation
1 Introduction
2 Idea Exploration
3 Conclusion
References
Development and Testing of a Hydrotronic Control System for a Prototype Test Bench for Vibration Isolation Systems
1 Introduction
2 Subject and Scope of the Research
3 Proportional Directional Valve Model
3.1 Model of Fluid Flow Through Directional Valve Channels
3.2 Valve Dynamics Model
4 Simulation Studies
4.1 Dead Zone Correction
4.2 Determination of PID Controller Settings
5 Summary
References
Rule- Based Expert System as a Decision Support Tool in the Analysis of the Impact of Vibrations on a Microhydraulic Valve
1 Introduction
2 The Analysis of Vibrations in Hydraulic Microvalves with the Consideration of Decision Support Systems and Previous Research Works.
2.1 The Analyzed Microhydraulic Valve
2.2 Previous Works on Microhydraulic Valves with the Application of Selected Decision Support Methods.
3 Rule- Based Expert System
3.1 Generating Classification Rules from Dendrites in Expert Systems
4 Rule- Based Expert System as a Decision Support Tool in the Analysis of the Impact of Vibrations on a Microhydraulic Valve
5 Conclusions
References
Author Index