Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 19 of 19 for “"shock absorbers"”.
-
Design Methodology of Electromagnetic Shock Absorbers for Vehicle Suspensions
L'abstract è presente nell'allegato / the abstract is in the attachment
-
The Use of Simulation to Expedite Experimental Investigations of the Effect of High-Performance Shock Absorbers
… methods are needed. Since investigating shock absorber selection is often the most time-consuming task, this study focuses on developing more efficient methods to select the best shock absorber setups. This study develops a novel method that applies dynamic substructuring and system …
-
Analysis of hydraulic power transduction in regenerative rotary shock absorbers as function of working fluid kinematic viscosity
… from a vehicle suspension system through the shock absorbers. A regenerative, hydraulic-based, rotary shock absorber was designed and fabricated for the purposes of this investigation. The kinematic viscosities ranging from 100 cSt to 200 cSt were used in the fluid circuit and tested for …
-
Nonlinear dynamic model and simulation of a high pressure monotube shock absorber using the bond graph method
… physics-based model for a high pressure monotube shock absorber is proposed by which the nonlinear dynamic behavior of these dampers can be analyzed. The bond graph technique is used to model these shock absorbers accurately over a wide range of stroking frequencies and to identify the interaction …
-
Energy Harvesting Hydraulically Interconnected Shock Absorber: Modeling, Simulation and Prototype Validation
… conventional car suspension system uses isolated shock absorbers that are only capable of dissipating energy in the form of heat. Each shock absorber in a hydraulic interconnected suspension is connected by hydraulic circuits, allowing the electrified hydraulic fluid to be used to counteract …
-
Asymmetric Energy Harvesting and Hydraulically Interconnected Suspension: Modeling and Validations
… suspension system is equipped with isolated shock absorbers that can only dissipate energy by themselves. Hydraulic interconnected suspension uses hydraulic circuits to connect each shock absorber, so that the energized hydraulic fluid can be utilized to counter unwanted body motion to …
-
An investigation of vibration isolation systems using active, semi-active and tunable passive mechanisms, with applications to vehicle suspensions
… is presented in order to achieve improved shock and vibration isolation of mechanical systems, especially ground vehicle applications. A hybrid active vibration isolation system, incorporating an electro-magnetic force generator along with passive damping and spring elements, is …
-
The effects of freezing on the material properties and structure of bovine medial meniscus.
Menisci serve as shock absorbers and stabilizers in the knee. Bovine meniscus is often used as a model for human meniscus because it is inexpensive and readily available. During experiments, the bovine menisci are usually frozen and thawed repeatedly to maintain freshness through specimen transport …
-
Modular Vehicle Design Concept
… structural health monitoring, energy harvesting shock absorbers, non-pneumatic tires, and drive-by-wire options. Predictions on the outlook for the technology progressions is discussed to give insight into the viability of basing a vehicle concept on these technologies. Finally, physical design …
-
Pressurized Metal Bellows Shock Absorber for Space Applications.
… mechanisms, such as crushable aluminum honeycomb shock absorbers or inflatable airbags, to reduce shock loading to the spacecraft during landing. The stationary lander is the simplest type of lander, but can only take data from one location. Wheeled rovers add complexity in exchange for mobility …
-
Experimental Evaluation of a Trailing-Arm Suspension for Heavy Trucks
… assuming that the primary dampers (shock absorbers) are properly tuned for the vehicle that the new suspension was designed for.
-
Modelling of the effects of potholes on motor vehicle structures
… pins and associated bushings, springs and shock absorbers and related fastenings. The parts were chosen following verbal interviews with auto-mechanics in garages and indeed from the experience of the author while working in the transport section of a company. This study only considered …
-
Modelling of the effects of potholes on motor vehicle structures
… pins and associated bushings, springs and shock absorbers and related fastenings. The parts were chosen following verbal interviews with auto-mechanics in garages and indeed from the experience of the author while working in the transport section of a company. This study only considered …
-
Electromechanical Suspension-based Energy Harvesting Systems for Railroad Applications
… car. With size and shape similar to conventional shock absorbers, these devices are designed to be placed in parallel with the suspension elements, possibly inside the coil spring, thereby maximizing unutilized space. When the train is in motion, the suspension will accommodate the imperfections …
-
LA FRAMMENTAZIONE DELL'ATTIVITA' IMPRENDITORIALE IN ITALIA: PROBLEMI, ESITI E SPIEGAZIONI A PARTIRE DA UNO STUDIO DI CASO
… for exportation and trade, a special system of shock absorbers, and monetary devaluation policies. Despite the significant amount of economic analysis concerning the firm size and its transformations, only contingent research has deepened the relations between industrial structure and State …
-
Characterizing a Racing Damper's Frequency Dependent Behavior with an Emphasis on High Frequency Inputs
As a racecar negotiates a track, it is subjected to many inputs at both high and low frequencies. These inputs come from the track surface, the motion of the body, and from aerodynamic disturbances. The damper's ability to control these inputs leads to improved grip at the tires, which increases …
-
High performance damper optimization using computer simulation and design of experiments
Design of experiments has become an increasingly popular tool used by racing teams in professional motorsports. A race car has literally hundreds of adjustable parameters associated with it. Specialized racing engineers are in a constant search to find the optimal combination of settings for these …
-
Optimal passive nonlinear damper design methodology for road race application
Methodology to develop a baseline passive nonlinear damper and inerter for road race application to maximize vehicle lateral acceleration is developed here using optimization techniques. The method includes use of equations-of-motion for suspension models, assembly of equations in a computer model …
-
Konstrukce vibrační plošiny pro semiaktivně tlumenou sedačku
Nízkofrekvenční vibrace způsobeny jízdou po nerovném terénu mohou způsobovat posádce zemědělských strojů zdravotní problémy. Virtuální simulace semiaktivně řízených tlumičů naznačuje, že jejich použitím v zemědělských sedačkách by se přenos vibrací na posádku dal podstatně snížit. Proto se tato …