ENGME353-21A (HAM)

Mechanical and Electrical Machines

15 Points

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Division of Health Engineering Computing & Science
School of Engineering

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: cheryl.ward@waikato.ac.nz

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Paper Description

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This paper applies the fundamentals theory taught in ENGEN110, ENGEN111 and ENGEN180 to understand the operational principles of electromechanical machines and power transmission mechanisms. Problem-based learning is used in conjunction with experimentation to compare theory to real machine behaviors. This paper covers analysis of machine systems and selection of power sources and matching transmission components. Important power transmission components are covered including gearboxes, gears, chains, belts, couplings, shafts, clutches, brakes, bearings and pneumatics.

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Paper Structure

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Students attend 2 one hour lectures and a 2 hour laboratory/problem solving session each week. The lecture slots may be used as problem solving session depending on the topic being discussed. This paper emphasizes practical application of the theoretical knowledge through experimentation and problem solving during the laboratory session.

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Learning Outcomes

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Students who successfully complete the paper should be able to:

  • Apply power transmission theory to mechanical engineering systems
    Linked to the following assessments:
  • Select the appropriate power transmission subsystems based on manufacturers data, taking into consideration system level performance and cost factors.

    Select the appropriate power transmission subsystems based on manufacturers data, taking into consideration system level performance and cost factors.

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  • Design electrical and mechanical machines to solve practical engineering problems
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  • Evaluate suitability of machine elements with respect to the project goals
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  • Solve machine design problems methodologically and effectively
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  • Model and simulate simple motor-machine systems
    Linked to the following assessments:
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Assessment

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Assessment Components

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The internal assessment/exam ratio (as stated in the University Calendar) is 50:50. There is no final exam. The final exam makes up 50% of the overall mark.

The internal assessment/exam ratio (as stated in the University Calendar) is 50:50 or 0:0, whichever is more favourable for the student. The final exam makes up either 50% or 0% of the overall mark.

Component DescriptionDue Date TimePercentage of overall markSubmission MethodCompulsory
1. Lab: DC Motors
5
  • Online: Submit through Moodle
2. Lab: AC Motors
5
  • Online: Submit through Moodle
3. Lab: Gears
5
  • Online: Submit through Moodle
4. Lab: Slot car simulation
10
  • Online: Submit through Moodle
5. Test
28 May 2021
11:00 AM
10
  • In Class: In Lecture
6. Assignment
14 May 2021
11:30 PM
15
  • Online: Submit through Moodle
7. Exam
50
Assessment Total:     100    
Failing to complete a compulsory assessment component of a paper will result in an IC grade
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Required and Recommended Readings

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Required Readings

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Videos uploaded onto moodle are there to prepare students for the lectures. Please watch the videos before attending the lecture to get optimal learning experience.
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Recommended Readings

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  1. Peter R. N. Childs, Mechanical Design Engineering Handbook, Elsevier, 2013
  2. Mechanical Engineering Design, 7th edition, Joseph E. Shigley and Charles R. Mischke, McGraw Hill, 2004
  3. Mohamed El-Sharkawi, Fundamentals of Electric Drives, Cengage Learning, 2019
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Online Support

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The course materials will be available through moodle and a discussion forum will be available to get support from peers.

Please refrain from using email to communicate problems related to the paper. Any problems related to this paper should be channelled through the moodle forum.

PLEASE NOTE: Moodle will be used for class notices etc and it is your responsibility to check the site regularly. Instructions provided on Moodle and in lectures are considered to be given to the class as a whole.

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Workload

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Students are expected to spend a total of 150 hours over 12 weeks on this paper.

The recommended average weekly workload is

  • 1 hour preparation for lecture
  • 2 hours to attend lectures
  • 2 hours on laboratory work
  • 2 hours of background reading (recommended texts) and solve additional practice problems in the recommended texts
  • 3 hours design, preparing laboratory submission or solving given problems

The remaining hours will be used for examination preparation

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Linkages to Other Papers

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Prerequisite(s)

Prerequisite papers: ENGEN111 and (ENGME251 or ENGMP213 or ENGCV212)

Corequisite(s)

Equivalent(s)

Restriction(s)

Restricted papers: ENME380

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