Development and design support through human and life engineering (handheld vacuum cleaner)
It is possible to evaluate and propose what materials, shapes, and structures would make it easy to use (easy to carry, less physical strain, easy to clean, etc.)!
**[Evaluation Based on Ergonomics]** We introduce "evaluation techniques" related to vacuum cleaners as one of the items and services used by hand. We conduct evaluations on various types of vacuum cleaners to determine what specifications make them easy to use, and based on the results, we can also propose improvements. Additionally, the insights gained can be applied to other hand-operated products. **[Evaluation Techniques]** ■ Evaluation Targets: Shape, weight, position and shape of operation buttons, method of attaching and detaching the dust cup, shape, structure, and method of attaching and detaching the head, shape of the handle, etc. ■ Evaluation Items: (1) Subjective Evaluation - Burden and fatigue on the body (hands, feet, etc.) - Sense of dirt removal - Ease of button operation - Ease of holding the handle, ease of attaching and detaching the head and dust cup, ease of maneuvering the head, etc. (2) Behavioral and Physiological Evaluation - Burden on the body (muscles) - Posture - Movement of the body (mainly hands and feet) - Cleaning time **[Evaluation Based on Life Engineering]** Different vacuum cleaners may be required depending on the living scene. For example, there are vacuum cleaners that allow you to leave the area immediately if an urgent matter arises during cleaning and return to continue afterward. This can be developed through evaluations from the perspective of life engineering.
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**Types of Vacuum Cleaners** While we have not evaluated all types, the following types are available: - Robot type - Cyclone type - Paper bag type - Stick type - Handheld type - Canister type - Store and commercial type - Central cleaner **Examples of Measured Muscles** - Long and short radial extensor muscles - Radial flexor muscle - Deltoid (anterior) - Deltoid (posterior) - Erector spinae - Rectus femoris **Subjects for Measurement (Monitors)** - 20s (male and female) - 30s (male and female) - 40s (male and female) - 50s (male and female) - 60s (male and female) - 70s **Attributes of Subjects for Measurement (Monitors)** - Age - Height - Arm length (left and right) - Grip strength (left and right) - Grip inner diameter (left and right) **Measurement Items in Markerless 3D Motion Measurement System** ■ Coordinates - Thoracic vertebra point - Lumbar vertebra point - Hip joint point (left and right) - Knee joint point (left and right) ■ Angles and Movements - Trunk tilt - Angle between trunk and thigh (left and right) - Angle between trunk and upper limb (left and right) - Hand movement speed
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Vacuum cleaner
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HAL Design Research Institute Co., Ltd. is a company that conducts analysis, design, engineering, and consulting based on various measurements and measurement data. Our main product is the "Markerless 3D Motion Analysis System." We also offer a variety of other measurement services, so please feel free to contact us if you have any requests.