设计工程师观察到的实践
Libby Elizabeth Osgood1, Clifton R Johnston2
1University of Prince Edward Island, Charlottetown, Canada.
概括
这项研究确定了专家设计工程师的九个关键实践,包括创造力和系统方法. 了解这些积极和消极的行为,可以帮助工程教育工作者更好地为学生准备应对行业挑战.
科学领域:
- 工程教育 工程教育教育
- 认知科学 认知科学
- 组织行为 组织行为
背景情况:
- 有限的研究存在于设计工程师的具体实践,设计工程师是一个专门的群体的创意问题解决者.
- 现有的研究往往侧重于一般工程师或设计师技能,而不是那些熟练应对复杂设计挑战的人的独特行为.
研究的目的:
- 记录和分析专家设计工程师观察到的实践和行为.
- 识别那些能区分高效设计工程师的特定属性.
- 为工程教育工作者提供关于为学生准备工业的见解.
主要方法:
- 涉及12名经验丰富的工程师的定性研究描述了专家设计工程师.
- 对186个数据点进行感应主题分析,以确定观察到的实践和子主题.
- 探索积极和潜在的负面观察到的行为.
主要成果:
- 确定了9种观察到的实践:协作,自信,创造性,独立,直观,好奇,有动力,系统和多才多艺.
- 与这些实践相关的30个子话题.
- 另外8个数据点指出,对指导或管理角色的兴趣各不相同.
- 还注意到了一些观察到的习惯,比如自负或不擅长公开演讲.
结论:
- 专家设计工程师表现出一套独特的实践,这些实践对于解决复杂问题至关重要.
- 了解令人佩和潜在的负面做法为工程课程开发提供了宝贵的见解.
- 识别的实践可以映射到加拿大工程课程认证的毕业生属性.
相关概念视频
Design Example: Managing Concrete Workability
100
This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
100
Design Example: Maintaining Level of an Embankment
91
Constructing a roadway embankment over uneven terrain requires precise leveling to ensure stability and proper drainage. Surveyors use a leveling instrument and staff to calculate ground elevations and determine the required fill material at each point along the embankment alignment.The process begins by positioning a leveling instrument near a benchmark with a known elevation. A backsight reading establishes the instrument height, which serves as a reference for subsequent measurements. A...
91
Design Example: Creating a Hydraulic Model of a Dam Spillway
211
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
211
Design Example: Distributing Reinforcements in Concrete Sections
110
The topic explores the practical aspects of adjusting steel reinforcements within a concrete beam section to meet specific design requirements. When designing a reinforced concrete beam, it is essential to distribute the steel reinforcements properly to ensure structural integrity and efficiency. The example provided details a scenario where a beam requires a total steel cross-section of 4 square inches. The engineer identifies that the available steel bars have a nominal diameter of 1.693...
110
Design of Prismatic Beams for Bending
269
The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
269
PD Controller: Design
277
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
277


