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Viewing 1 to 30 of 2952
Training / Education Classroom Seminars
During the past decade reverse engineering has become a common and acceptable practice utilized by many original equipment manufacturers and suppliers. This course focuses on the application of modern technologies used to decode the design details and manufacturing processes of an existing part in the absence of the original design data. It emphasizes the real-life practice of reverse engineering in the aerospace industry from both scientific and legal points of view. Attendees will learn the applicability and limitations of reverse engineering through case studies and hands-on exercises.
Training / Education Classroom Seminars
Design for Manufacturing and Assembly (DFM+A), pioneered by Boothroyd and Dewhurst, has been used by many companies around the world to develop creative product designs that use optimal manufacturing and assembly processes. Correctly applied, DFM+A analysis leads to significant reductions in production cost, without compromising product time-to-market goals, functionality, quality, serviceability, or other attributes. This seminar will include information on how DFM+A fits in with QFD, Concurrent Engineering, Robust Engineering, and other disciplines.
Training / Education Classroom Seminars
Providing you have a basic understanding of engineering drawings, this course teaches how to correctly interpret engineering drawings. It will improve a student's understanding of print reading and result in more effective communication on the job. Utilizing the expertise of world-renowned GD&T expert Alex Krulikowski, the course focuses on practical application of print interpretation. It will give you a better understanding of the view representation, dimensions, tolerances, and symbols used on prints. Newly acquired learning is reinforced throughout the class with numerous practice problems.
Training / Education Classroom Seminars
This four hour short course provides an overview of hydraulic system design of typical business and commercial aircraft. Topics will include the principles, system architectures, power sources, and the main components and technologies of hydraulic systems including hydraulic power generation, filtration, fluid storage, distribution, sensing and control. The step by step process of designing a hydraulic system will also be reviewed. Additionally, future trends in hydraulic systems will be discussed.
Training / Education Classroom Seminars
This four-hour short course intends to present an overview of electrically powered flight control actuation systems, covering commercial applications. The scope covers issues related to the mechanical design of actuators themselves, with limited reference to their control electronics. Additionally, this course will provide participants an understanding of the design considerations behind these actuation systems.
Training / Education Classroom Seminars
Providing you have a basic understanding of Y14.5 Dimensioning and Tolerancing practices, this course explains the major differences between the ASME and ISO standards in a concise, easily understood manner. Utilizing the expertise of world-renowned GD&T expert Alex Krulikowski, the course focuses on how the standards compare when dealing with symbols, feature control frames, tolerances, form controls, datums, and more. Newly acquired learning is reinforced throughout the class with numerous practice problems.
Training / Education Classroom Seminars
Providing you have an understanding of GD&T fundamentals, this course teaches an introduction to geometric dimensioning and tolerancing and its impact on the manufacturing process. Utilizing the expertise of world-renowned GD&T expert Alex Krulikowski, the course focuses on the basic requirements of engineering drawings, size dimensions, form tolerances, and the datum system, as well as the impact of tolerancing requirements on production. Newly acquired learning is reinforced with numerous practice problems.
Training / Education Classroom Seminars
Providing you have a basic understanding of Y14.5 Dimensioning and Tolerancing practices, this course explains the fundamental definitions, concepts, and methods from the ASME Y14.41 Standard on Digital Product Definition Data Practices. Utilizing the expertise of world-renowned GD&T expert and former Chairman of the Y14.41 Committee, Alex Krulikowski, the course focuses on understanding the benefits of a math-based product development process. Newly acquired learning is reinforced throughout the class with numerous practice problems.
Training / Education Classroom Seminars
Providing you have a basic understanding of geometric dimensioning and tolerancing fundamentals, this course teaches the significant revisions, additions, and deletions prescribed in the new ASME Y14.5-2009 Standard. Utilizing the expertise of world-renowned GD&T expert Alex Krulikowski, the course offers an in-depth explanation of new features in the 2009 standard and compares them to the 1994 Standard. Newly acquired learning is reinforced throughout the class with numerous practice problems, and a set of comprehensive comparison charts that highlight itemized changes in the standard are included in the workshop price.
2018-07-16 ...
  • July 16-17, 2018 (8:30 a.m. - 4:30 p.m.) - Troy, Michigan
Training / Education Classroom Seminars
Engineers are taught to create designs that meet customer specifications. When creating these designs, the focus is usually on the nominal values rather than variation. Robustness refers to creating designs that are insensitive to variability in the inputs. Much of the literature on robustness is dedicated to experimental techniques, particularly Taguchi techniques, which advocate using experiments with replications to estimate variation. This course presents mathematical formulas based on derivatives to determine system variation based on input variation and knowledge of the engineering function.
2018-06-27 ...
  • June 27-28, 2018 (8:30 a.m. - 4:30 p.m.) - Troy, Michigan
Training / Education Classroom Seminars
Design for Manufacturing and Assembly (DFM+A), pioneered by Boothroyd and Dewhurst, has been used by many companies around the world to develop creative product designs that use optimal manufacturing and assembly processes. Correctly applied, DFM+A analysis leads to significant reductions in production cost, without compromising product time-to-market goals, functionality, quality, serviceability, or other attributes. In this two-day seminar, you will not only learn the Boothroyd Dewhurst Method, you will actually apply it to your own product design!
2018-06-25 ...
  • June 25-26, 2018 (8:30 a.m. - 4:30 p.m.) - Troy, Michigan
Training / Education Classroom Seminars
Design of Experiments (DOE) is a methodology that can be effective for general problem-solving, as well as for improving or optimizing product design and manufacturing processes. Specific applications of DOE include identifying proper design dimensions and tolerances, achieving robust designs, generating predictive math models that describe physical system behavior, and determining ideal manufacturing settings. This seminar utilizes hands-on activities to help you learn the criteria for running a DOE, the requirements and pre-work necessary prior to DOE execution, and how to select the appropriate designed experiment type to run.
2018-05-01 ...
  • May 1-2, 2018 (8:30 a.m. - 4:30 p.m.) - Livonia, Michigan
Training / Education Classroom Seminars
Providing you have a basic understanding of mechanical drawings, this course teaches how to use engineering drawings that use the International Standards Organization (ISO) standards. Utilizing the expertise of world-renowned GD&T expert Alex Krulikowski, this course will teach you to recognize what is required on a standard-compliant drawing and recognize geometrical tolerances based on the ISO standards. The course combines information from dozens of ISO standards into a logical understandable topic. Newly acquired learning is reinforced throughout the class with more than 150 practice problems.
2018-04-12 ...
  • April 12-13, 2018 (8:30 a.m. - 4:30 p.m.) - Detroit, Michigan
Training / Education Classroom Seminars
Failure Mode and Effects Analysis (FMEA) is a systematic method for preventing failure through the discovery and mitigation of potential failure modes and their cause mechanisms. Actions are developed in a team environment and address each high: severity, occurrence or detection ranking indicated by the analysis. Completed FMEA actions result in improved product performance, reduced warranty and increased product quality.
2018-03-07 ...
  • March 7, 2018 (8:30 a.m. - 4:30 p.m.) - Toulouse, France
Training / Education Classroom Seminars
This seminar is suggested for product or process experts who have a need to utilize more detailed information concerning Design of Experiments analysis. It primarily addresses the subject of ANOVA, analysis of variance, which is a statistically based, objective decision-making tool. This is an advanced seminar that covers the fundamentals required to analyze orthogonal experiments, interpret, and recommend further action based on the analysis. Emphasis is placed on the analysis phase of the DOE process.
2011-04-12
Technical Paper
2011-01-0438
Ahmet Kanbolat, Murathan Soner, Tolga Erdogus, Mustafa Karaagac
The parabolic leaf spring plays a vital role in suspension systems, since it has an effect on ride comfort and vehicle dynamics. Primarily, leaf spring endurance must be ensured. Presently, there are two approaches to designing a leaf spring. In the traditional method, fatigue tests should be repeated for each case, considering different material, geometry and suspension hard points. However, it takes a long time and requires a heavy budget to get the optimized solution. In the contemporary method, a numerical approach is used to obtain the fatigue life and the leaf geometry against the environmental condition on the basis of material properties. This paper presents a more precise method based on non-linear finite element solutions by evaluating the effects of the production parameters, the geometrical tolerances and the variations in the characteristics of the material.
2011-04-12
Technical Paper
2011-01-0458
Tommy Baumann
As technology advances in electronics, systems with higher complexity, interconnectedness and heterogeneity can be developed. Being constituted by several control units and communication buses, the development of such systems can only be done concurrently by teams of specialists. At the same time as many as possible design steps have to be automated to accelerate the design process itself. Typically, in current design processes, systems are described using manually written specifications or non-executable, model-based specifications. However, such specifications cannot be executed and therefore cannot be validated, evaluated, and optimized prior to the availability of hardware. This results in a design process exhibiting high uncertainty in the early design stages and thus, high development risks and costs [8].
2011-04-12
Journal Article
2011-01-0402
P. Lingeswaramurthy, J. Jayabhaskar, R. Elayaraja, J. Suresh Kumar
Increasing the efficiency of the Engine parts and reduction in development time with good accuracy are the challenges in the Automotive Industry. Lubricating oil pump has been selected for this study. Existing literatures explain the methodology to generate the rotor profile from the given geometrical parameters of the rotor like eccentricity, tooth radius etc. Invariably the specifications to design the pump are provided in terms of pump performance at various operating conditions. The analytical model developed in this study uses the performance and boundary specifications to generate the rotor profile and to estimate the flow rate at various operating conditions of the pump. This methodology includes the generation of trochoidal profile for inner rotor and modified conjugate profile for the outer rotor and the volume calculation of number of chambers (N) which are created between the rotors during meshing.
2011-04-12
Technical Paper
2011-01-0467
Chun-Hui Chiu, Kuo-Kuang Fan, Chih-Chieh Yang
Due to the air pollution and energy crisis, the added values to environmental protection from the green technology passenger cars have received scrutiny by consumers. In order to enhance the comprehension of consumers' acceptance in green technology passenger cars, the goal of this study is to promote automotive designer's understanding on the affective response of consumers on automotive form design. In general, consumers' preference is mainly based on the vehicles' form features that are traditionally manipulated by designers' intuitive experience rather than an effective and systematic analysis. Therefore, when encountered the increasing competition in automotive market nowadays, enhancing the car designer's understanding of consumers' preference on the form features of green technology passenger cars to fulfill customers' demands has become a common objective among automotive makers.
2011-04-12
Technical Paper
2011-01-0236
Zi Qiang Sheng
Due to its capability to make tubular components with high structural rigidity and low mass, tube hydroforming (THF) is an important manufacturing process to make lightweight automotive structural components, such as engine cradles, crank shafts, seat frames, roof bow and instrument panel beam etc. In order to integrate more functions, tube hydroformed components (THC) usually have complex geometry and are formed from a straight tube usually by three stages, which are programmable CNC bending, pre-crush and hydroforming. Since the complexity of component geometry, failures, such as fracture and buckling, could happen simultaneously at different spots. Tube bending and hydroforming process are designed to eliminate multiple failures and thus the THF development is tedious and time consuming. In this study, a multiobjective dynamic programming method is developed to optimize the THF process and demonstrated on an automotive component.
2011-04-12
Technical Paper
2011-01-0170
Ashok D. Khondge, Sandeep Sovani, Gunjan Verma
Thorough design exploration is essential for improving vehicle performance in various aspects such as aerodynamic drag. Shape optimization algorithms in combination with computational tools such as Computational Fluid Dynamics (CFD) play an important role in design exploration. The present work describes a Free-Form Deformation (FFD) approach implemented within a general purpose CFD code for parameterization and modification of the aerodynamic shape of real-life vehicle models. Various vehicle shape parameters are constructed and utilized to change the shape of a vehicle using a mesh morphing technique based on the FFD algorithm. Based on input and output parameters, a design of experiments (DOE) matrix is created. CFD simulations are run and a response surface is constructed to study the sensitivity of the output parameter (aerodynamic drag) to variations in each input parameter.
2011-04-12
Technical Paper
2011-01-0169
Robert Louis Lietz
Recent advances in morphing, simulation, and optimization technologies have enabled analytically driven aerodynamic shape optimization to become a reality. This paper will discuss the integration of these technologies into a single process which enables the aerodynamicist to optimize vehicle shape as well as gain a much deeper understanding of the design space around a given exterior theme.
2011-04-12
Journal Article
2011-01-0151
Taeyoung Han, Chris Hill, Shailesh Jindal
Understanding the flow characteristics and, especially, how the aerodynamic forces are influenced by the changes in the vehicle body shape, are very important in order to improve vehicle aerodynamics. One specific goal of aerodynamic shape optimization is to predict the local shape sensitivities for aerodynamic forces. The availability of a reliable and efficient sensitivity analysis method will help to reduce the number of design iterations and the aerodynamic development costs. Among various shape optimization methods, the Adjoint Method has received much attention as an efficient sensitivity analysis method for aerodynamic shape optimization because it allows the computation of sensitivity information for a large number of shape parameters simultaneously.
2011-04-12
Technical Paper
2011-01-0108
Rainer Neumann, Thorsten Warwel
Due to the general requirements in the automotive industry to reduce the power consumption, fuel consumption rate and CO2 emission a new HID (High Intensity Discharge) bulb with only 25W is under development for front lighting systems. A first headlamp integrated in a hybrid vehicle is now launched as a first application in the market. The current regulation in ECE allows to get rid of the mandatory headlamp cleaning system and the automatic leveling requirement once the 25W HID bulb is applied. The reason for this is the objective luminous flux of the 25W HID bulb, which emits less than 2000 lm, a boundary defined in the regulation, where a headlamp cleaning and an automatic leveling is requested. That simplifies especially the integration in smaller vehicles and electric and hybrid vehicles. The paper describes the special design of the headlamp, the projector unit, the light performance, packaging advantages and future outlook of further applications in the near future.
2011-04-12
Technical Paper
2011-01-0107
Yan Fu, Guosong Li, Ren-Jye Yang, Baohua xiao, Krishnakanth Aekbote
With the increasing demands of developing vehicles for global markets, different regulations and public domain tests need to be considered simultaneously for side impact. Various side impact countermeasures, such as side airbags, door trim, energy absorbing foams etc., are employed to meet multiple side impact performance requirements. However, it is quite a challenging task to design a balanced side impact restraint system that can meet all side impact requirements for multiple crash modes. This paper presents an integrated multi-objective optimal design and robustness assessment framework for vehicle side impact restraint system design.
2011-04-12
Technical Paper
2011-01-0114
Lawrence M. Rice
Light emitting diode (LED) modules (standardized light sources) for use in automotive illumination design will soon become available in production volumes. Designing products with these devices is not the same as working with conventional tungsten halogen or high intensity discharge (HID or Xenon) light sources. There are a number of LED module characteristics which must be kept in mind when designing lighting systems.
2011-04-12
Technical Paper
2011-01-0118
Daniel Le Messurier, John S. Orisich
Monte Carlo simulations are shown to be a useful tool when determining the flux output of LED arrays during the design phase. The results of Monte Carlo simulations are able to show the statistical distribution of output flux based on multi-LED arrays, thus allowing engineers to optimise their design, rather than using worst case scenario design principles.
2011-04-12
Technical Paper
2011-01-0069
Paulo Reynaldo Calvo Alfaro, Fernando Velázquez Villegas, Antonio Zepeda Sánchez, Mariano García del Gállego
The goal of this work is to optimize an automotive chassis for a 3 wheeled hybrid vehicle. This vehicle is intended for touristic and low speed performance, 2 of the more relevant features are, that the vehicle has 3 wheels and that it is battery powered by 7 cells which are distributed under the driver seat and the first line of seats. Therefore, the vehicle has to be very light but still strong enough to endure the daily loads it is driven into. In order to obtain the final topological region an improving process in the topological region's geometry was needed, starting with regions with 30 mm element's size to 16 mm element's size, so the available equipment could compute the optimization in similar amounts of time. Topological optimization is used to acquire a very close shape to the optimal one for structural problems design from a conceptual viewpoint.
2011-04-12
Journal Article
2011-01-0509
Megumu Oshima, Kanya Nara
This paper describes the development of a design method and process for quality variation control. Conventional approaches utilizing Taguchi method [6,7,8] can quantify the sensitivities of parts characteristics on a system characteristic from both viewpoints of nominal value and variation. But the interpretation of the sensitivities depends on engineers' judgments. At the new process, function deployment has been introduced as the tool for breaking down hierarchically vehicle performance to the level of parts characteristics. And the relation between vehicle performance and parts characteristics is formulated based on a physical model in order to interpret the sensitivities more technically. The methodology combining the formulated function deployment and Taguchi method is referred to as design response analysis and variation effect analysis. These approaches can facilitate the interpretation of the quantified sensitivities considering the mechanism.
2011-04-12
Technical Paper
2011-01-0510
Megumu Oshima, Kanya Nara, Tatsuhiko Yoshimura
We have constructed a design review system in which Full Process and Quick Design Review processes are selectively used according to the degree of newness in a design change. The Full Process Design Review is conducted for a review of system or part designs having a high level of newness and the tools and process used in this review were standardized. The Quick Design Review is newly developed design review process that could be conducted in a quicker and simpler manner for designs involving a medium level of newness in order to effectively prevent design-related problems. The Quick Design Review uses a changes list and Design Review Based on Failure Mode (DRBFM) [1] worksheets to focus on the changed points. This method enables the engineers involved to identify problems and to devise solutions efficiently and effectively through discussions.
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