Dr. Waweru Njeri

Designation: Senior Lecturer
School: School of Engineering
Department: Electrical and Electronic Engineering
Email: waweru.njeri@dkut.ac.ke

Academic Background

Qualification Institution Year
PhD. in Production & System Engineering Gifu University, Japan 2016 – 2019
MSc. in Telecommunication Engineering Jomo Kenyatta University of Agriculture and Technology 2010 – 2014
BSc. in Telecommunication Engineering Jomo Kenyatta University of Agriculture and Technology 2005 – 2009

Professional Qualifications

Qualification Institution Year
Graduate Engineer Engineers Board of Kenya  2017

Areas of Expertise

  • Controller design and optimization for robots and dynamic system.
  • Development of Artificial Intelligence algorithms.
  • Application and integration of biosignals in robotics and dynamic systems.
  • Expertise in Hardware Descriptive Languages (VHDL, Verilog).
  • Proficiency in Cadence™ Allegro™ and KiCAD™ PCB design tool.

Work Experience

  • 2022 – To date: Director – Center for Robotics and Biomedical Engineering, Dedan Kimathi University of Technology.
  • 2021 – To date: Senior Lecturer – Department of Electrical and Electronic Engineering, Dedan Kimathi University of Technology.
  • Oct 2019 – Dec 2020: Postdoctoral Fellow – Department of Intelligent Mechanical Engineering, Gifu University, Japan.
  • 2016 – 2021: Lecturer – Department of Electrical and Electronic Engineering, Dedan Kimathi University of Technology.
  • 2014 – 2015: Assistant Lecturer – Department of Electrical and Electronic Engineering, Dedan Kimathi University of Technology.
  • 2010 – 2014: Teaching Assistant – Department of Electrical and Electronic Engineering, Dedan Kimathi University of Technology.
  • 2009 – 2010: Maintenance Supervisor – Carbacid CO2 Limited, Nairobi.

Other University and National Responsibilities

  • External Examiner
  • Curriculum development and review

Publications

  • Minoru Sasaki, Takaaki Iida, Joseph Muguro, Waweru Njeri, Pringgo Widyo Laksono, Muhammad Syaiful Amri bin Suhaimi and Muhammad Ilhamdi Rusydi,“Estimation of the Shoulder Joint Angle Using Brainwaves”, AJEEET, Andalas Journal of Electrical and Electronic Engineering Technology, 2021;1(1):1-11.
  • Titus Mulembo, Waweru Njeri, Alex Njoroge, Gakuji Nagai, Hirohisa Tamagawa, Keishi Naito, Takahiro Nitta, and Minoru Sasaki,“Linear Quadratic Integral Control of Multiwall Carbon Nanotube-based Conical Dielectric Elastomer Actuator”, JSRE, Journal of Sustainable Research in Engineering, 2021;6(3):78-86.
  • Joseph Kamau Muguro, Minoru Sasaki, Kojiro Matsushita and Waweru Njeri, “Trend analysis and fatality causes in Kenyan roads: A review of road traffic accident data between 2015 and 2020”, Cogent Engineering, 2020;7(1):1-23.
  • Minoru Sasaki, Nobuto Honda, Waweru Njeri, Kojiro Matsushita and Harrison Ngetha,“Gain tuning using neural network for contact force control of flexible arm”, JSRE, Journal of Sustainable Research in Engineering, 2020;5(3):139-149.
  • Minoru Sasaki, Eita Kunii, Tatsuya Uda, Kojiro Matsushita1, Joseph K. Muguro, Muhammad Syaiful Amri bin Suhaimi and Waweru Njeri,“Construction of an Environmental Map including Road Surface Classification Based on a Coaxial Two-Wheeled Robot”, JSRE, Journal of Sustainable Research in Engineering, 2020;5(3):138-148.
  • Titus Mulembo, Waweru Njeri, Gakuji Nagai, Hirohisa Tamagawa, Keishi Naito, Takahiro Nitta and Minoru Sasaki,“Linear-Quadratic Regulator for Control of Multi-Wall Carbon Nanotube/ Polydimethylsiloxane Based Conical Dielectric Elastomer Actuators”, MDPI, Actuators, 2020;():1-17. https://doi:10.3390/act9010018.
  • Muhammad Syaiful Amri bin Suhaimi, Kojiro Matsushita, Minoru Sasaki and Waweru Njeri,“24-Gaze-Point Calibration Method for Improving the Precision of AC-EOG Gaze Estimation”, MDPI, Sensors, 2019;():1-13. https://doi.org/10.3390/s19173650.
  • Waweru Njeri, Minoru Sasaki and Kojiro Matsushita,“Gain tuning for high speed vibration control of a multilink flexible manipulator using artificial neural network”, ASME, Journal of Vibration and Acoustics, 2019;():1-42. doi:10.1115/1.4043241.
  • Minoru Sasaki, Takashi Kuwabara, Waweru Njeri, Kojiro Matsushita and Harrison Ngetha, “Comparison of Simulation of Contact Force Control of Flexible Manipulator Using Bernoulli-Euler theory and Timoshenko theory”, Journal of Applied Sciences, Engineering and Technology for Development, Vol. 4, No. 1, 11 – 34, 27 February 2019.
  • Waweru Njeri, Minoru Sasaki, Kojiro Matsushita, Harrison Ngetha “Two-degree-of-freedom control of a multilink flexible manipulator using filtered inverse feedforward controller and strain feedback controller”, Journal of Applied Sciences, Engineering and Technology for Development, Vol.4, No. 1, 35 – 47, 27 February 2019.
  • Waweru Njeri, Minoru Sasaki and Kojiro Matsushita,“Two Degree-of-Freedom vibration control of a 3D, 2 Link Flexible Manipulator”, Advances in Science, Technology and Engineering Systems Journal, Vol. 3, No. 6, pp. 412-424, 2018.
  • Waweru Njeri, Minoru Sasaki and Kojiro Matsushita,“Enhanced Vibration control of a multilink flexible manipulator using filtered inverse controller”, Robomech Journal, vol. 5, p. 28, Nov. 2018.
  • N. P. Waweru, D. B. O. Konditi, and P. K. Langat, “Performance Analysis of MUSIC, Root-MUSIC and ESPRIT DOA Estimation Algorithm” International Journal of Electrical, Electronic Science and Engineering, vol. 8, no. 1, pp. 212–219, 2014. www.waset.orgPublication9997885

Papers presented in Conferences, Seminars and Workshops

  • Joseph Muguro, Minoru Sasaki, Kojiro Matsushita, Waweru Njeri, Pringgo Widyo Laksono, and Muhammad Syaiful Amri, “Human-Machine Interface for Game Control Using Neck SEMG Signal”, 2019 5th International Conference on Industrial, Mechanical, Electrical and Chemical Engineering (ICIMECE 2019), September 17-18, Indonesia, (2019).
  • Minoru Sasaki, Ryutaro Miyabe, Waweru Njeri and Kojiro Matsushita, “Two-degree-of freedom control of a multilink flexible manipulator using Adaptive Notch Filter and Strain Feedback”, 2019 4th IEEE Asia-Pacific Conference on Intelligent Robot Systems (IEEE ACIRS 2018), July 13-15, Nagoya, Japan, (2019).
  • Waweru Njeri, “Vibration Control of a Multilink Flexible Manipulator Using Artificial Neural Network”, 2nd World Conference on Robotics and Artificial Intelligence, June 10th – 11th, Osaka, Japan, (2019).
  • Minoru Sasaki, Nobuto Honda, Waweru Njeri and Kojiro Matsushita, “Gain tuning using neural network for Contact force control of flexible arm”, Proceedings of the Sustainable Research and Innovation Conference, pp 292 – 296, May 8th – 10th, JKUAT Main Campus, Kenya, (2019).
  • Minoru Sasaki, Nobuto Honda, Waweru Njeri, Kojiro Matsushita and Harrison Ngetha, “Contact Force Control of Flexible Manipulator Using Neuro Controller”, 4th DeKUT International Conference on Science, Technology, Innovation and Entrepreneurship, Nov 7th – 9th, Nyeri, Kenya, (2018).
  • Waweru Njeri, Minoru Sasaki and Kojiro Matsushita, “Strain feedback gain tuning using neural network for the vibration control in a multilink flexible manipulator”, 2018 JSME Conference on Robotics and Mechatronics, (ROBOMECH 2018, KITAKYUSHU), Japan.
  • Waweru Njeri, Minoru Sasaki and Kojiro Matsushita, “Two-degree-of-freedom control of a multilink flexible manipulator using filtered inverse feedforward controller and strain feedback controller”, The 4th IEEE International Conference on Applied System Innovation (IEEE ICASI 2018), April 13-17, Chiba, Tokyo, Japan, (2018).
  • Minoru Sasaki, Takashi Kuwabara, Waweru Njeri, Kojiro Matsushita and Harrison Ngetha,“Comparison of Simulation of Contact Force Control of Flexible Manipulator using Bernoulli-Euler theory and Timoshenko Theory”, The 3rd Dekut International Conference on Science Technology, Innovation & Entrepreneurship, Nov 1st-3rd, DKUT, Nyeri, Kenya, (2017).
  • Waweru Njeri, Minoru Sasaki and Kojiro Matsushita, “Two-degree-of-freedom control of a multilink flexible manipulator using filtered inverse feedforward controller and strain feedback controller”, The 3rd Dekut International Conference on Science Technology, Innovation & Entrepreneurship, Nov 1st-3rd, DKUT, Nyeri, Kenya, (2017).
  • Waweru Njeri, Minoru Sasaki and Kojiro Matsushita, “Vibration Control of Flexible Manipulator Using Filtered Inverse Controller”, Advances in Intelligent Systems Research, 2nd International Conference on Control, Automation, and Artificial Intelligence (CAAI 2017), Atlantis Press, volume 134, pp.102-104, (2017).
  • Waweru Njeri, Minoru Sasaki and Kojiro Matsushita,“Internal Model Control of a Multilink
    • Flexible Manipulator”, Advances in Intelligent Systems Research, 2nd International Conference on Control, Automation, and Artificial Intelligence (CAAI 2017), Atlantis Press, volume 134, pp.109-114, (2017).
  • Minoru Sasaki, Ryo Nakamura, Waweru Njeri, Kojiro Matsushita and Satoshi Ito, “Adaptive Gain Tuning Feedback Control of a Flexible Manipulator”, Advances in Intelligent Systems
    • Research, 2nd International Conference on Control, Automation, and Artificial Intelligence (CAAI 2017), Atlantis Press, volume 134, pp.575-580, (2017).
  • N. P. Waweru, D. B. O. K’onditi, and P. K. Langat, “Comparative study of three Eigenstructure based DOA estimation algorithm: MUSIC, root-MUSIC and ESPRIT” KSEEE-JSAEM 2012 International Engineering Conference, pp. 26–30, August 2012. www.jkuat.ac.keschoolseeie.
  • N. P. Waweru, D. B. O. K’onditi and P. K. Langat, “Characterization of Input Impedance with Feed Position in Probe and inset-Fed Microstrip Patch Antenna”, 8th International conference-Moi university, September 2012.

Awards, Scholarships and Recognitions

  • Best Conference Paper Award, ICIMECE 2019
  • Best Poster Award, SICE Chubu branch young researchers presentation, Nagoya, 2018
  • Best Conference Paper Award, IEEE ICASI 2018

Research
a) Ongoing/Completed Researches

  • Extraction and conditioning of steering and control signals for an electric wheelchair.

b) Research funding: (Indicate the Source, Amount & Year)

  • KENET Research and Innovation Grant in Engineering 2022/2023 – K.Sh 1.1m

Research Interests

  • Embedded systems design
  • Robotics
  • Artificial Intelligence

Affiliation/Membership to Professional Bodies

  • Graduate Engineer – Engineers Board of Kenya