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Environmental and Operational Stress Testing is the most common approach to precipitating structure latent defects before the manufacturing of products. This testing consists of applying environmentally induced stresses to the product. Typically, these environmental stresses for mechanical structural automotive components consist of vibration loading based on road input and/or self-induced vibration...
In today's global environment, accelerated life testing is becoming a competitive advantage when time spent from conceptual stage to the final product development needs to be minimized (project costs and development time) in order to be successful. Using accelerated life testing techniques for mechanical and structural applications have strong challenges when defining the loading but also the fatigue...
As demand for highly reliable complex systems increases, engineers are being forced to consider the risk implications of design decisions earlier in the conceptual phase of projects and with greater accuracy. Standard probabilistic risk assessments (PRA) usually employed to verify that a product meets requirements are too resource intensive and too slow to keep up with the speed at which the design...
Every company is dependent on some type of asset that keeps the business in business — be it a computer, a centrifuge or a megawatt transformer. In a large enterprise, reducing costs related to asset maintenance, repair and ultimate replacement is at the top of management concerns. Downtime in any network, manufacturing or computer system ultimately results not only in high repair costs, but in customer...
As demand for highly reliable complex systems increases, engineers are being forced to consider the risk implications of design decisions earlier in the conceptual phase of projects and with greater accuracy. Standard probabilistic risk assessments (PRA) usually employed to verify that a product meets requirements are too resource intensive and too slow to keep up with the speed at which the design...
In today's global environment, accelerated life testing is becoming a competitive advantage when time spent from conceptual stage to the final product development needs to be minimized (project costs and development time) in order to be successful. Using accelerated life testing techniques for mechanical and structural applications have strong challenges when defining the loading but also the fatigue...
This paper undertakes a general reliability study using both classical and Bayesian semi-parametric degradation approaches. The goal is to illustrate how degradation data can be modelled and analysed to flexibly determine reliability to support preventive maintenance strategy making, based on a general data-driven framework. With the proposed classical approach, both accelerated life tests (ALT) and...
As demand for highly reliable complex systems increases, engineers are being forced to consider the risk implications of design decisions earlier in the conceptual phase of projects and with greater accuracy. Standard probabilistic risk assessments (PRA) usually employed to verify that a product meets requirements are too resource intensive and too slow to keep up with the speed at which the design...
Every company is dependent on some type of asset that keeps the business in business — be it a computer, a centrifuge or a megawatt transformer. In a large enterprise, reducing costs related to asset maintenance, repair and ultimate replacement is at the top of management concerns. Downtime in any network, manufacturing or computer system ultimately results not only in high repair costs, but in customer...
This paper undertakes a reliability study using both classical and Bayesian semi-parametric frameworks to explore the impact of a locomotive wheel's position on its service lifetime and to predict its other reliability characteristics. The goal is to illustrate how degradation data can be modeled and analyzed by using classical and Bayesian approaches. The adopted data in the case study have been...
Design for Reliability (DFR) programs do not work in an organizational vacuum. To be successful the program should be integrated into what is called an Advance Product Quality Process (APQP) or a Design for Six Sigma (DFSS) process. Advanced product quality planning (or APQP) is a framework of procedures and techniques used to develop products in industry, particularly the automotive industry. It...
In today's global environment, accelerated life testing is becoming a competitive advantage when time spent from conceptual stage to the final product development needs to be minimized (project costs and development time) in order to be successful. Using accelerated life testing techniques for mechanical and structural applications have strong challenges when defining the actual operational loading...
Environmental and Operational Stress Testing is the most common approach to precipitating structure latent defects before the manufacturing of products. This testing consists of applying environmentally induced stresses to the product. Typically, these environmental stresses for mechanical structural automotive components consist of vibration loading based on road input and/or self-induced vibration...
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