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Prof David Howard's Outputs (104)

In vivo study of foot kinematics using a walking simulator (2005)
Presentation / Conference
Liu, A., Nester, C., Ward, E., Howard, D., Cocheba, J., Derrick, T., & Patterson, P. (2005, July). In vivo study of foot kinematics using a walking simulator. Presented at ISB XXth Congress-ASB 29th Annual Meeting, Cleveland, Ohio

Development of an improved rigid body model of the foot (2004)
Presentation / Conference
Liu, A., Nester, C., Ward, E., Howard, D., Derrick, T., Cocheba, J., & Patterson, P. (2004, April). Development of an improved rigid body model of the foot. Presented at Foot and Ankle Retreat II, Los Angeles, USA

Optimization of legged robot locomotion by control of foot-force distribution (2004)
Journal Article
Jiang, W., Liu, A., & Howard, D. (2004). Optimization of legged robot locomotion by control of foot-force distribution. Transactions of the Institute of Measurement and Control, 26(4), 311-323. https://doi.org/10.1191/0142331204tm124oa

The contribution of this paper is the introduction of three new pseudo-inverse formulations for the real-time control of foot-force distribution in multi-legged walking machines. Three alternative locomotion performance objectives are proposed for th... Read More about Optimization of legged robot locomotion by control of foot-force distribution.

The design, development and evaluation of an array-based FES system with automated setup for the correction of drop foot (2002)
Presentation / Conference Contribution

Functional electrical stimulation has been shown to be a safe and effective means of correcting
drop foot of central neurological origin. However, despite recent technological advances, the set-up of
surface stimulators remains a challenge for many... Read More about The design, development and evaluation of an array-based FES system with automated setup for the correction of drop foot.

Foot-force distribution in legged robots (2001)
Presentation / Conference
Jiang, W., Liu, A., & Howard, D. (2001, September). Foot-force distribution in legged robots. Presented at CLAWAR : 4th International Conference on Climbing and Walking Robots, Karlsruhe

A model to predict setup time for a novel upper limb FES system
Presentation / Conference
Smith, C., Kenney, L., Howard, D., Hardiker, N., Waring, K., Sun, M., & Luckie, H. A model to predict setup time for a novel upper limb FES system. Poster presented at Fifth Conference of the UK and Ireland Chapter of the International Functional Electrical Stimulation Society (UKRI-IFESS), Sheffield, UK

In vivo study of foot kinematics using a walking simulator
Presentation / Conference
Liu, A., Nester, C., Ward, E., Howard, D., Cocheba, J., Derrick, T., & Patterson, P. In vivo study of foot kinematics using a walking simulator. Presented at Salford’s 3rd International Conference on Biomechanics of the Lower Limb in Health Disease and Rehabilitation, Salford

Kinematic design of crab-like legged vehicles
Journal Article
Liu, A., & Howard, D. Kinematic design of crab-like legged vehicles. Robotica, 19(01), 67-77. https://doi.org/10.1017/S0263574700002861

In this paper, the kinematic workspace characteristics of a
crab-like legged vehicle are investigated using a 2-D model.
The alternative kinematic configurations and their corresponding workspace constraints are discussed, and the
vehicle configurat... Read More about Kinematic design of crab-like legged vehicles.

Whole body inverse dynamics over a complete gait cycle based only on measured kinematics
Journal Article
Ren, L., Jones, R., & Howard, D. Whole body inverse dynamics over a complete gait cycle based only on measured kinematics. Journal of Biomechanics, 41(12), 2750-2759. https://doi.org/10.1016/j.jbiomech.2008.06.001

This paper presents a three-dimensional (3D) whole body multi-segment model for inverse dynamics analysis over a complete gait cycle, based only on measured kinematic data. The sequence of inverse dynamics calculations differs significantly from the... Read More about Whole body inverse dynamics over a complete gait cycle based only on measured kinematics.

Predicting lower limb joint kinematics using wearable motion sensors
Journal Article
Findlow, A., GOULERMAS, J., Nester, C., Howard, D., & Kenney, L. Predicting lower limb joint kinematics using wearable motion sensors. Gait & Posture, 28(1), 120-126. https://doi.org/10.1016/j.gaitpost.2007.11.001

The aim of this study was to estimate sagittal plane ankle, knee and hip gait kinematics using 3D angular velocity and linear acceleration data from motion sensors on the foot and shank. We explored the accuracy of intra-subject predictions (i.e., wh... Read More about Predicting lower limb joint kinematics using wearable motion sensors.