A novel control method to counteract the dynamical degradation of a digital chaotic sequence Chen Chen, Kehui Sun, Yuexi Peng and Abdulaziz O. A. Alamodi Eur. Phys. J. Plus, 134 1 (2019) 31 Published online: 18 January 2019 DOI: 10.1140/epjp/i2019-12374-y