Adjustable voltage regulator 1,2-30 volts 1 amp. Encyclopedia of radio electronics and electrical engineering
Encyclopedia of radio electronics and electrical engineering / Surge Protectors
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Maximum current consumption 1,5 A (for digital devices). Built-in over-current and over-temperature protection system.
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In a modern technology world where distance is becoming increasingly commonplace, maintaining connection and a sense of closeness is important. Recent developments in artificial skin by German scientists from Saarland University represent a new era in virtual interactions. German researchers from Saarland University have developed ultra-thin films that can transmit the sensation of touch over a distance. This cutting-edge technology provides new opportunities for virtual communication, especially for those who find themselves far from their loved ones. The ultra-thin films developed by the researchers, just 50 micrometers thick, can be integrated into textiles and worn like a second skin. These films act as sensors that recognize tactile signals from mom or dad, and as actuators that transmit these movements to the baby. Parents' touch to the fabric activates sensors that react to pressure and deform the ultra-thin film. This ... >>
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| Random news from the Archive Adaptive Walking Exosuit
18.11.2021
Researchers at the Harvard School of Engineering and Applied Sciences. John A. Paulson (SEAS, USA) has developed a new robotic exosuit that can adapt to a specific person and adapt to various walking tasks. The bioinspired system uses ultrasound measurements of muscle dynamics.
People rarely walk at a constant speed and on a perfectly level surface. We accelerate when we rush to the next meeting, when we respond to a signal for a pedestrian crossing. Or we slow down when we go for a walk in the park. The surface and its angle of inclination is also constantly changing, whether we are hiking or climbing a ramp into a building. In addition, the way we walk is influenced by our physiological characteristics: gender, height, age and muscle strength, and sometimes by neurological or muscular disorders such as stroke or Parkinson's disease.
Such variability makes it difficult to develop a versatile exosuit - essentially a wearable robot - that will help people walk in everyday life. Today's walking assistant robots take hours to set up - and sometimes by hand. This is a tedious task for healthy people and often impossible for the elderly or clinical patients.
In the past, when developing individual assistance profiles for robotic exosuits, scientists have focused on the dynamic movements of the wearer's limbs. The SEAS researchers took a different approach. They used ultrasound to "look" under the skin and directly measured how the user's muscles act during different types of walking.
The scientists attached a portable ultrasound system to the study participants' calves and visualized their muscles as they performed a series of walking tasks. Based on these pre-recorded images, the group estimated how much assistive force needed to be applied in parallel with the calf work to compensate for the additional muscle work needed to push off the person's leg while walking.
The new system took only a few seconds of walking - or even just one step - to capture the profile of the muscles. Then, for each ultrasound-generated profile, the researchers measured how much metabolic energy the person used while walking with and without the exosuit. It turned out that the exosuit significantly reduces metabolic energy when walking at different speeds and on different surfaces.
When tested in real conditions, the exosuit was able to quickly adapt to changes in walking speed and surface slope.
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