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Instrumentation for energy efficiency study of a hydraulic system component
Since energy efficiency is not a prime consideration in design of a hydraulic system, most industrial hydraulic systems are relatively inefficient compare to its peers. Due to global warming and its effect in the environment, energy efficiency of a systems is becoming an important design objective. This requires detailed study of performance characteristics of the system components and effect of process parameters on energy loss. Analytical methods to determine such losses in a hydraulic system is complex and computationally inefficient.
Experimental methods can be used to model energy efficiency of a system and study performance characteristics of individual components. This paper presents instrumentation required for monitoring process parameters of a hydraulic pump. Though the focus of the project is to design an energy efficient component, such instrumentation is a necessity for use of experimental analysis in the design process.
A prototype of a system is developed in the laboratory and a virtual instrumentation is developed to acquire all process data. The data is imported in MatLab for studying parameter sensitivity and energy efficiency characteristics of the system. Optimization of a cost function determines optimal operational parameters of the system. Implementation of these parameters in operation of the system will result in improved performance and reduced energy use to implement a specific task.