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ASTM International - ASTM F3427-20

Standard Practice for Documenting Environmental Conditions for Utilization with Exoskeleton Test Methods

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Organization: ASTM International
Publication Date: 1 March 2020
Status: active
Page Count: 18
significance And Use:

4.1 This section provides a description of the environmental conditions listed in Section 1 and describes the sub-conditions within each condition. Examples provided for many of the conditions and... View More

scope:

1.1 When conducting test methods, it is important to consider the role that the environmental conditions play in measurement of exoskeleton safety and performance. Exoskeletons are designed to be operated both indoors and outdoors under conditions specified by the manufacturer. Likewise, end users of the exoskeletons will be using these exoskeletons in a variety of environmental conditions. When conducting and replicating ASTM Committee F48 test methods by exoskeleton manufacturers and users, it is important to specify and document the environmental conditions under which the exoskeleton is to be tested as there will be variations in system performance caused by the conditions, especially when comparing and replicating sets of test results. It is also important to consider changes in environmental conditions during the course of operations (for example, transitions between conditions). As such, environmental conditions specified in this document are static, dynamic, or transitional, or combinations thereof; with the exoskeleton stationary or in motion. This document provides brief introduction to the following list of environmental conditions that can affect performance of the exoskeleton:

1.1.1 Floor or ground surface;

1.1.2 Temperature;

1.1.3 Humidity;

1.1.4 Atmospheric pressure;

1.1.5 Lighting;

1.1.6 Air flow and quality;

1.1.7 External sensor emission;

1.1.8 Electrical interference;

1.1.9 Boundaries;

1.1.10 Additional categories, for example underwater, extraterrestrial, may also be added to this standard as the exoskeleton industry applications evolve in these areas.

1.1.11 This document then breaks down each condition into sub-categories so that the user can document the various aspects associated with the category prior to exoskeleton tests defined in ASTM Committee F48 test methods listed in Section 2. It is recommended that salient environment conditions be documented when conducting ASTM Committee F48 test methods.

1.2 The environmental conditions listed in 1.1 to be documented for exoskeleton(s) being tested are described and parameterized in Section 4 and allow a basis for performance comparison in test methods. The approach is to divide the list of environmental conditions into sub-conditions that represent the various aspects of the major category (for example, type-concrete within floor and ground surface). Where necessary, this document also provides guidelines (for example, grade levels and particulates) to document environmental conditions in an existing environment.

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

ASTM F3427-20
March 1, 2020
Standard Practice for Documenting Environmental Conditions for Utilization with Exoskeleton Test Methods
4.1 This section provides a description of the environmental conditions listed in Section 1 and describes the sub-conditions within each condition. Examples provided for many of the conditions and...
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