Programmable Electronic Delay Device for Detonator

  • A. Sudheer Babu High Energy Materials Research Laboratory, Pune
  • K. K. Mishra High Energy Materials Research Laboratory, Pune
  • P. D. Kshirsagar High Energy Materials Research Laboratory, Pune
  • Himanshu Shekhar High Energy Materials Research Laboratory, Pune
  • V. S. Rasane High Energy Materials Research Laboratory, Pune
Keywords: Microcontroller, detonator, delay, pyrotechnic delay

Abstract

Delay devices are used to perform various roles like aiding in sequential release of payload, providing safety in flight/ trajectory, enabling self-destruction of ammunitions, allowing blast of the warhead after penetration in runway/bunker, etc. The delay time is introduced to cause a series of detonation events from the explosive charge, in order to achieve desired efficiency. Inspite of many improvements performed along the years, in search of precise delay compositions, it is noticed that the obtained accuracy in chemical delay compositions is of ±4%.The present work using microcontroller gives possible accuracy of upto ±1%.This paper discusses about programmable electronic delay device, timing accuracy of electronic delay device and its merits over chemical delay devices.

Defence Science Journal, 2013, 63(3), pp.305-307DOI:http://dx.doi.org/10.14429/dsj.63.2880

Author Biographies

A. Sudheer Babu, High Energy Materials Research Laboratory, Pune
Mr A. Sudheer Babu is an MTech (Process control) from Netaji Subhas Institute of Technology, New Delhi. Present working as scientist in HEMRl, Pune. He is the recipient of laboratory Scientist of the year Award. His area of expertise include: Design and development of embedded systems for armament applications, automation and control for processing of high energy materials.
K. K. Mishra, High Energy Materials Research Laboratory, Pune
Mr K.K. Mishra is a BTech  (Electrical engineering) from National Institute of Technology, Patna. At present he is working as scientist in HEMRl, Pune. His area of expertise include: Design and development of electronic circuits for armament applications, instrumentation and measurement systems for testing and assessment of high energy materials.
P. D. Kshirsagar, High Energy Materials Research Laboratory, Pune
Mr P.D. Kshirsagar recevied his a Diploma in Electronics & Telecom Engineering. At present he is working as a technical officer in HEMRl, Pune. His area of expertise include: Design and development of electronic circuits for armament applications. He is also having expertise in  rocket instrumentation system for testing of rocket propellant in static and accelerated conditions.
Himanshu Shekhar, High Energy Materials Research Laboratory, Pune

Dr Himanshu Shekhar is presently working as a Joint Director at HEMRl,Pune. He has expertise in rocket ballistic, gun ballistics, performance prediction of explosives, structural analysis and propellant simulations. He has 6 technical books, more than 80 research papers, 70 reports and chapters in books. He is recipient of young Scientist Award, Mr Engineer Award and Agni Award for Excellence in Self-Reliance.

V. S. Rasane, High Energy Materials Research Laboratory, Pune
Mr V.S. Rasane is a graduate through IETE, Delhi and has retired as Associate Director from HEMRl, Pune in December 2012. He was responsible for the development of complete rocket instrumentation at HEMRl, Pune, ACEM, Nasik, BDl, Hyderabad, and OF, Itarsi. He has more than 30 publications to his credit. He is a life member of High Energy Materials Society of India and Fellow member of IETE.
Published
2013-05-16
How to Cite
BabuA., MishraK., KshirsagarP., ShekharH., & RasaneV. (2013). Programmable Electronic Delay Device for Detonator. Defence Science Journal, 63(3), 305-307. https://doi.org/10.14429/dsj.63.2880
Section
Electronics & Communication Systems