Abstract

The objective of this study is to identify user and usability requirements in the user interface of work vehicle cabin design, especially in drill rigs and harvesters. User and usability requirements are inevitable in order to design the user interface of a work vehicle cabin that satisfies the end user so that smooth and efficient operating is possible. The theoretical part of the study takes an approach on user centred design and development, in which the concept of usability, user requirements, usability requirements and users of work vehicles are discussed. The empirical part of the study consists of eight qualitative field studies, in which the design of the user interface of four drill rigs as well as four harvester cabins were studied and evaluated. The data was gathered by interviewing and observing the working process of 15 work vehicle operators. The majority of the interviews were videotaped during observation. Different evaluation methods were used. The studies and evaluation of the drill rigs were made in cooperation with the Decode Research group consisting of four researchers. The most essential user and usability requirements in drill rig and harvester cabin design are presented in the latter part of the study. Firstly, they are related to Sven Dahlman’s three levels for structuring user requirements. These are Working and Design requirements, Needs and Goals requirements and Secondary Function requirements. Secondly, on the basis of the study four sublevels of user and usability requirements in work vehicle cabin design are identified. The identified levels can be used as a tool within product development.

Keywords:

User Requirement, Usability Requirement, User Interface, Work Vehicle, Drill Rig, Harvester

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Nov 17th, 12:00 AM

User and Usability Requirements in Work Vehicle Cabin Design.

The objective of this study is to identify user and usability requirements in the user interface of work vehicle cabin design, especially in drill rigs and harvesters. User and usability requirements are inevitable in order to design the user interface of a work vehicle cabin that satisfies the end user so that smooth and efficient operating is possible. The theoretical part of the study takes an approach on user centred design and development, in which the concept of usability, user requirements, usability requirements and users of work vehicles are discussed. The empirical part of the study consists of eight qualitative field studies, in which the design of the user interface of four drill rigs as well as four harvester cabins were studied and evaluated. The data was gathered by interviewing and observing the working process of 15 work vehicle operators. The majority of the interviews were videotaped during observation. Different evaluation methods were used. The studies and evaluation of the drill rigs were made in cooperation with the Decode Research group consisting of four researchers. The most essential user and usability requirements in drill rig and harvester cabin design are presented in the latter part of the study. Firstly, they are related to Sven Dahlman’s three levels for structuring user requirements. These are Working and Design requirements, Needs and Goals requirements and Secondary Function requirements. Secondly, on the basis of the study four sublevels of user and usability requirements in work vehicle cabin design are identified. The identified levels can be used as a tool within product development.

 

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