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Requirements should specify expectations on a software system and testing should ensure these expectations are met. Thus, to enable high product quality and efficient development it is crucial that requirements and testing activities and information are aligned. A lot of research has been done in the respective fields Requirements Engineering and Testing(More)
This paper presents an empirical study of control logic specifications used to document industrial control logic code in manufacturing applications. More than one hundred input/output related property specifications from ten different reusable function blocks were investigated. The main purpose of the study was to provide understanding of how the(More)
This paper presents results of experimentations on the integration of human operators and automation in the context of assembly systems. Several experiments have been conducted to evaluate the use of augmented reality applications in order to provide dynamic work instructions and online feedback information to a shop-floor operator. Based on these results,(More)
A challenge for highly configurable products, like vehicles, is that the product system has to support all possible variants that can be configured by a customer. The production system is often highly automated with software in robots, machines and programmable logic controllers that need to be prepared to handle all possible variants. The link between the(More)
A method of optimizing the control parameter of wearable exoskeletons for industrial applications using subjective feedbacks is introduced in this paper. The human sensory system is explained and a method of mapping these perceptions to the control parameter set of the exoskeleton is developed. Subsequently a method for online parameter adjustment based on(More)
Product platforms are commonly used in industries with complex products and high competition like the car and truck industry to allow a customer to order a product that satisfy its unique needs. A consequence of product variety is that manufacturing and assembly processes need to deal with this variety as well. If the variety is low and changes of the(More)
In the automotive industry in general, but in particular for trucks, the vehicle can be configured to fit specific needs of every customer. For trucks, this means that one truck physically can be very different from another truck, for example one truck may be configured to support long-distance transportation, another will be used for inner-city(More)
Gothenburg the non-exclusive right to publish the Work electronically and in a non-commercial purpose make it accessible on the Internet. The Authors warrant that they are the authors to the Work, and warrant that the Work does not contain text, pictures or other material that violates copyright law. The Authors shall, when transferring the rights of the(More)
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