David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of financial accounting, corporate and individual tax planning and preparation, and investing and retirement planning.

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed ...

Abstract: In order to improve the robustness of the positioning control of an artillery shell chain rammer under different loads in the process of artillery shell rammer operation, this paper proposes ...