Previous studies could also use magnetic fields to manipulate a large number of micro-magnets at the same time. In theory, these miniature magnets can be used to solve serious health problems such as cancer. However, how to control a certain number of devices in a group of micro-devices and let them operate at a specific speed and direction is still a big challenge. Because the same device in the same magnetic field will often have exactly the same performance.
Nowadays, scientists have proposed a method for single manipulation of a group of magnet devices so that each device individually performs a specific task. "Our approach enables sophisticated in vivo manipulation," said Jürgen Rahmer, lead author of the study and a physicist at the Philips Institute for Innovation and Technology in Germany.
The limbs of the LEGO villain can move independently of each other because the magnetic screws connecting their limbs are in a special layered magnetic field. LEGO villain's limbs are connected by magnetic screws and can move independently without interfering with each other.
The scientists first manufactured a batch of identical miniature magnetic screws and then applied a strong magnetic field. Some of the screws are firmly fixed by the magnetic field, but the micro screws in the weak magnetic region of the strong magnetic field are free to move. Adding a relatively weak rotating magnetic field, these free-moving screws will rotate.
In the experiment, the researchers can precisely control several magnetic screws so that they simultaneously rotate in different directions. The researchers pointed out that in theory, they can control hundreds of magnetic screws at the same time. "The devices connected by these magnetic screws can perform specific tasks in the human body without using batteries or motors," Lamo explained.
These magnetic screws can be placed in capsules. Doctors can use magnetic field manipulation screws to open the capsules and ensure that the radioactive drugs in the capsules only work on cancer cells without harming healthy cells, thereby reducing side effects. After the capsule releases a sufficient dose of radiation, the doctor closes the capsule with a magnetic field. (Capsules can be made of metal materials to prevent radiation leakage.)
The researchers pointed out that the technology can also be used to make medical implants that change over time. For example, after the patient recovers, the doctor can use a magnetic field to change the shape of the implant to better fit the patient's body. The researchers plan to develop a miniature magnetic field emitter to control the micro-magnetic robot and use an X-ray emitter or ultrasound scanner. Instruments and other imaging technology to observe the location of these devices in the human body.
Variable voltage DC Power Supply support master-slave configuration to increase the output capacity to 576kW. SYS series cabinets use world famous circuit breaker to control the input of each power module inside. After power on, the specified 3U or 6U height power supply will be configured as a Master to control all of the slave units. CSP is the Master in SYSA series cabinets, which is equipped with a PDU (Power Distribution Unit) and a CSP (Control & Supervisory Panel).
Connecting the cabinet
1. The cabinets can be connected in parallel in order to increase output power.
â— Maximum 16 units 3U height same model DC power supplies or 6U height same model DC power supplies can be connected via the bus.
â— 16 units each with a power of 18kW are connected together to a 288kW system.
â— 16 units each with a power of 36kW are connected together to a 576kW system.
2. Different height cabinets can be connected in parallel.
â— Use parallel bars to simplify the connection between multiple rack cabinets.
â— Realized the gapless connection between multiple rack cabinets.
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