Gultom, Ronald J., and Quincy T. Ma. “Intuitive Real-Time Compensation Algorithm for Actuator Control Errors in Fast Pseudodynamic Tests”. Bulletin of the New Zealand Society for Earthquake Engineering, vol. 47, no. 1, Mar. 2014, pp. 15-27, https://doi.org/10.5459/bnzsee.47.1.15-27.