Developing interface using C++ language to visualize efficiency of hybrid power train and comparison between DEWESoft and AVL Data acquisition systems

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dc.contributor.authorAhmed, Aijaz
dc.contributor.authorLutimath, Ajanish
dc.contributor.departmentChalmers tekniska högskola / Institutionen för mekanik och maritima vetenskapersv
dc.contributor.examinerDahlander, Petter
dc.contributor.supervisorKhatri, Jayesh
dc.contributor.supervisorAbyzov, Sergej
dc.date.accessioned2021-10-15T08:53:09Z
dc.date.available2021-10-15T08:53:09Z
dc.date.issued2021sv
dc.date.submitted2020
dc.description.abstractPresently the light-duty vehicle fleet is going through substantial technological changes in the past few years with new power-train design, alternative fuels, and electrification. Due to the overall efficiency, drivability, stability, quality of comfort, and stringent emission laws. In the Automotive industry, major research is carried out to study the overall efficiency of individual power-train. To carry out the research on these vehicles the major equipment required is the data acquisition system. Data acquisition systems are used in every field of engineering to test, measure, and perform research in terms of performance, safety, and reliability. The main purpose and first objective of this thesis is to develop an interface using C++ language to visualize the efficiency of a hybrid powertrain online and implement it in the DEWESoft software, along with which we will be exploring the measurement techniques, sensors, DAQ hardware, and software used. The models calculate the efficiency in [%] sample-based and also average based for number of samples, time duration, and number of cycles in the case of Internal combustion en gine. A 3D surface plot to visualize Speed [rpm], Torque[Nm], and efficiency [%] on X, Y, and Z-axis respectively is a major deliverable. As presently the software lacks visualization. For the study, a thorough collection of experimental data related to the hybrid vehicle will be done at the Chalmers test cell. The significant parameters such as speed[rpm], torque[Nm], fuel flow rate [g/sec], phase,frequency[Hz], three phase current[A] and voltage[V] are recorded using DEWESoft DAQ systems. The second objective of this thesis is to compare two different DAQ systems i.e., AVL and DEWESoft under standard test conditions. For the study, a 3cylinder SI engine will be used at the Chalmers test cell to record the In-cylinder pressure as a function of crank angle degree. As a result of the first objective, the validated C++ models implemented in the DEWESoft software, which determines the efficiency [%] are delivered. In the future, these models can be used in the field of research and development for hybrid and electric vehicles. The major findings for the second objective are different parameters which influence the recording and post processing of in-cylinder pressure data as a function of CAD. A thorough investigation and data analysis of two different DAQ systems, and comparison of measurement accuracy is presented in the report.sv
dc.identifier.coursecodeMMSX30sv
dc.identifier.urihttps://hdl.handle.net/20.500.12380/304258
dc.language.isoengsv
dc.setspec.uppsokTechnology
dc.subjectData acquisition systems(DAQ), C++, Efficiency, Data analysissv
dc.titleDeveloping interface using C++ language to visualize efficiency of hybrid power train and comparison between DEWESoft and AVL Data acquisition systemssv
dc.type.degreeExamensarbete för masterexamensv
dc.type.uppsokH
local.programmeAutomotive engineering (MPAUT), MSc
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