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Traction Control Using HTD10-40 Torque Divider
Denis Lenoble,Travis Schmidt,Scott Parker,Ben Dupre 유공압건설기계학회 2015 유공압건설기계학회 학술대회논문집 Vol.2015 No.10
Controlling traction in hydraulic propel applications can be a slippery situation. Good traction demands all driving wheels take an equal share of propulsion loads, without slipping, scuffing, or cavitating. There are a wide variety of hydraulic propel circuits and products available to today’s vehicle designer including both closed and open circuit pumps and motors. Economical series circuits are prone to cavitation as inside and outside turning radii differ. Parallel circuits consume energy in the flow dividers and still require additional accommodation for differing wheel speeds. This paper details the approach leading to the development of a multifunctional cartridge valve that divides torque between loads in a series circuit. It discusses the strengths and weaknesses of traditional traction control circuit configurations and the benefits of the new approach. HydraForce HTD valves control traction, accommodate differential flows for cornering, save component cost, and save energy when compared to traditional flow dividing valves.
Richard Gagne(리차드 가네),Vincent Remillard,Denis Lenoble,Sang-Jin Lee 유공압건설기계학회 2014 유공압건설기계학회 학술대회논문집 Vol.2014 No.4
It is well known that the current economic and market trends are pushing Original Equipment Manufacturers (OEMs) and system integrators to design high-performance systems with tighter development time requirements. Naturally these developers are resorting to simulations to avoid the time and cost of early prototyping. Without losing security and environmental sights, they also wish to reuse their simulation models for different needs and purposes. Automation Studio™ software establishes a new “language” of virtual machines and components that manufacturers of hydraulic, electrohydraulic and control component need to market and promote their products. This paper presents and innovative approach to aid design and analysis from simulation of dynamic component behaviours to complete mechatronic systems and machines. The proposed methodology allows the decision maker to select the appropriate simulation setting in order to meet the needs of multiple simulation scopes for every step in the project’s lifecycle. This approach used to be called Machine Knowledge Management Software.