An articulated vehicle suspension comprising a parallel combination of energy restoring and dissipative elements and a feedback controlled force generator is analyzed using Linear Quadratic Gaussian (LQG) control technique. Ari ideal active suspension scheme is formulated to minimize a quadratic performance measure comprising ride quality, cargo safety, suspension and tire dynamic deflections, ...

Objectives: Evidence concerning crash risk for older heavy vehicle drivers is sparse, making it difficult to assess if it is prudent to encourage older drivers to remain in the workforce in a climate of labour shortages. The objective of this study was to estimate annual crash rate ratios of older male heavy vehicle drivers relative to their middle aged peers. Methods: Data utilized in this stu...

The Leg-Wheel-Vehicle paradigm offers remarkable and diverse opportunities for creation of mobile and maneuverable terrestrial locomotion systems. However, this capability needs to be unlocked by careful design and control of the individual articulations, the sub-chains and the systems as a whole. Viewing leg-wheel vehicles as another class of parallelkinematic systems now facilitates the syste...

the vehicle position given by p, , the vehicle orientation This paper reports some results of the research about the a , and the trailer orientation , autonomous guidance of articulated vehicles. Particularly, the design of stable and robust simple fuzzy controllers for It is well known that backing up control of truck-trailer is the backing-up manoeuvres of truck-trailer vehicles is a difficul...

It is very important in the design of a drying system is to evaluate sticking behaviour of the materials goes under drying. A new approach to the sticking issue is applied in this study by carrying out a sticking test for the liquid associated with the materials under study. It was found that the liquid bridge is responsible of the initial sticking of the materials to the contact surface and th...

This paper describes an innovative alternative to manual procedures for the application of carbon fiber and resin injection in concrete surfaces in tunnels. It is based on a specially designed light-weight integrated tool for automatic application of Fiber Reinforced Polymer (FRP) and epoxy resin injection. Vision and laser telemeter sensing are integrated into the tool to assure precise inspec...

Leg-wheel architectures for locomotion systems offer many advantages, not the least of which is reconfigurability of wheelaxle with respect to the chassis. Thus, locomotion systems with multiple leg-wheels now permit enormous reconfigurability of the chassis frame with respect to the ground frame. We seek to systematically exploit this ability to reconfigure within this highly-redundant system ...

Density functional theory (DFT) calculations have been performed to study properties of chitosan (Chit) as a possible vehicle for carrying metformin (Met) drug. To this aim, the singular molecules of Met and Chit have been first optimized and sixteen possible bimolecular complexes have been subsequently constructed and optimized to obtaine the stabilized interacting structures. Two bimolecular ...

Abstract A quadrotor with a liquid tank may be used in various tasks such as spraying pesticides and firefighting. Therefore, motion of the should controlled that sloshing is suppressed. To tackle this issue, LQG controller proposed paper. The based on linear equivalent mechanical model for which presented study. uses position attitude feedback to estimate control states. This different than ot...