阅读说明：本技术 柔性磁致动器 (Flexible magnetic actuator ) 是由 J·D·霍尔贝利 C·P·奥多德 于 2018-05-24 设计创作，主要内容包括：示例磁致动器包括第一柔性磁性层和第二柔性磁性层以及控制电路。第一柔性磁性层被配置成支撑第一磁偶极子。被布置成与第一柔性磁性层可滑动地接触的第二柔性磁性层被配置成支撑第二磁偶极子。控制电路被配置成可控地形成至少第一磁偶极子,并由此修改第一柔性磁性层和第二柔性磁性层之间的相互作用力。(An example magnetic actuator includes first and second flexible magnetic layers and a control circuit. The first flexible magnetic layer is configured to support a first magnetic dipole. A second flexible magnetic layer disposed in slidable contact with the first flexible magnetic layer is configured to support a second magnetic dipole. The control circuit is configured to controllably form at least a first magnetic dipole and thereby modify an interaction force between the first flexible magnetic layer and the second flexible magnetic layer.)

1. A magnetic actuator, comprising:

a first flexible magnetic layer configured to support a first magnetic dipole;

a second flexible magnetic layer arranged in slidable contact with the first flexible magnetic layer, the second flexible magnetic layer configured to support a second magnetic dipole; and

a control circuit configured to control at least the first magnetic dipole and thereby modify an interaction force between the first flexible magnetic layer and the second flexible magnetic layer.

2. The magnetic actuator of claim 1, wherein the first flexible magnetic layer is an electromagnetic fabric layer having windings electrically coupled to the control circuit, and the first magnetic dipole is an induced magnetic dipole of the electromagnetic fabric layer.

3. The magnetic actuator according to claim 2, wherein said winding surrounds said first magnetic fabric layer.

4. The magnetic actuator according to claim 2, wherein said winding extends helically across said first magnetic fabric layer.

5. The magnetic actuator of claim 1, wherein the second flexible magnetic layer is a permanent flexible magnetic layer and the second magnetic dipole is a permanent magnetic dipole of the permanent flexible magnetic layer.

6. The magnetic actuator according to claim 5, wherein said permanent magnetic dipoles are arranged in fibres of said second flexible magnetic layer.

7. The magnetic actuator according to claim 5, characterized in that said permanent magnetic dipoles are elements of a Halbach array.

8. The magnetic actuator according to claim 1, wherein said first magnetic dipole is an element of an electro permanent magnetic array.

9. The magnetic actuator of claim 8, wherein the first flexible magnetic layer comprises a winding electrically coupled to the control circuit and configured to form an induced magnetic field in the first flexible magnetic layer when a current is passed through the winding.

10. The magnetic actuator of claim 9, wherein the first magnetic dipole is redirected by the induced magnetic field.

11. The magnetic actuator of claim 8, wherein the first magnetic dipole is arranged in the lower coercivity magnetic fiber of the first flexible magnetic layer, the first flexible magnetic layer further comprising higher coercivity magnetic fibers extending in the same direction as the lower coercivity magnetic fibers.

12. The magnetic actuator of claim 11, wherein the higher coercivity magnetic fibers comprise neodymium iron boron and the lower coercivity fibers comprise alnico.

13. The magnetic actuator of claim 8, wherein the first flexible magnetic layer comprises ferromagnetic shunt fibers oriented transverse to the lower coercivity fibers and the higher coercivity fibers.

14. The magnetic actuator according to claim 13, wherein said ferromagnetic shunt fibers comprise iron.