Fig. 1. Mathematical model of magnetic field distribution of single pitch rectangular coil

Fig. 2. Numerical simulation of magnetic field distribution of a single pitch rectangular coil

Fig. 3. Magnetic field distribution of different coil widths

Fig. 4. Schematic diagram of incremental two-dimensional time-gating sensor

Fig. 5. Schematic diagram of winding and arrangement of incremental two-dimensional time-grating coils

Fig. 6. Numerical simulation diagram of magnetic field distribution of double pitch double excitation coil

Fig. 7. Incremental two-dimensional time-graing signal processing block diagram

Fig. 8. Absolute two-dimensional time-grating displacement sensor measurement model

Fig. 9. Schematic diagram of winding and arrangement of absolute two-dimensional time-grating coils

Fig. 10. Two-dimensional time-sharing incentive drive scheme flow chart

Fig. 11. Two-dimensional absolute position solution block diagram

Fig. 12. Flow chart of solving the absolute position of the two dimensional time-grating for the polar prime

Fig. 13. Induced traveling wave signal and counting diagram

Fig. 14. Induction travelling wave signal graph

Fig. 15. Simulation error curves for different installation gaps

Fig. 16. Simulation error spectra of different installation gaps

Fig. 17. Absolute position solution simulation traveling wave signal diagram

Fig. 18. Simulation validation of two-dimension absolute position solving scheme

Fig. 19. Sensor prototyping

Fig. 20. Two-dimensional precision experimental platform

Fig. 21. Sensor raw amplified sensing signal

Fig. 22. Experimental accuracy in polar

Fig. 23. Two different installation states

Fig. 24. Sensor stability testing

Fig. 25. Raw error curve in the effective measuring range

Fig. 26. [in Chinese]