Route planning for harvest site access

1998 ◽  
Vol 28 (7) ◽  
pp. 1084-1087 ◽  
Author(s):  
Alan T Murray
Keyword(s):  
Planning Process ◽  
Low Cost ◽  
Transportation Network ◽  
Route Planning ◽  
Management Plan ◽  
Forest Harvesting ◽  
Planning Problem ◽  
The Road ◽  
Site Access ◽  
Road Planning

Route planning and development for operational forest harvesting is an important component of the forest management process. The need for an efficient and low-cost transportation network is significant, as it is likely to dictate or impact the profitability of a particular management plan. Approaches for automating or aiding the road planning process are essential. This paper discusses one interpretation of this planning problem and provides a formal mathematical specification of the problem. This research contributes to the further development of analytical methods for addressing operational forest planning and management.

A framework to proactively consider road safety within the road planning process

2003 ◽  
Vol 30 (4) ◽  
pp. 711-719 ◽  
Author(s):  
Paul de Leur ◽  
Tarek Sayed
Keyword(s):  
Road Safety ◽  
Planning Process ◽  
Safety Evaluation ◽  
Safety Planning ◽  
The Road ◽  
Existing Problems ◽  
Proactive Approach ◽  
Poor Understanding ◽  
Road Planning

All too often, engineering strategies aimed at improving road safety are reactions to existing problems that occur after a road has been designed and built. Targeting problem locations and developing plans to reduce collisions are vital and have proven to be very successful. Transportation professionals, however, should also take a proactive approach to address road safety before problems emerge. This paper describes an evolving need of how to deal with road safety in a proactive manner. Although a proactive approach should improve the overall safety performance, there is currently a poor understanding of how to proactively plan for road safety. Several logistical and technical obstacles hinder the effective planning for road safety. Each of these obstacles is presented in detail, followed by a description of the opportunity to overcome each obstacle. The paper also includes the results of a case study used to demonstrate the proposed process. A proactive approach to road safety complements traditional, reactive methods currently in use. Significant progress will be realized once safety professionals shift their focus from fixing existing problems to helping plan roads that attempt to be problem free. The net result should be a safer road system.Key words: proactive road safety, safety audits, safety planning, safety evaluation, safety improvements.

A Weight-Based Road Impedance Function Model

2013 ◽  
Vol 756-759 ◽  
pp. 2750-2755 ◽  
Author(s):  
Jie Dong ◽  
Guo Jie Shen
Keyword(s):  
Network Topology ◽  
Urban Transportation ◽  
Route Planning ◽  
Planning Problem ◽  
Key Factors ◽  
Impedance Function ◽  
Impedance Model ◽  
Road Planning ◽  
Simulation Results ◽  
Path Planning Problem

Path planning problem is a popular issues in urban transportation system. Road impedance is one of the key factors in route planning. According to road length and speed, road level, traffic lamp and intersection waiting time that affect drive efficiency. A new weighted road impedance model is proposed. To get the weights of each factor in road planning, factors which influence drive efficiency are tested with different combination. In the end, the impedance model is applied to real world network topology. The simulation results show the validity and accuracy of the model.

scholarly journals Development of an economically sustainable and balanced tactical forest management plan: a case study in Quebec

2018 ◽  
Vol 48 (2) ◽  
pp. 197-207 ◽  
Author(s):  
Azadeh Mobtaker ◽  
Mustapha Ouhimmou ◽  
Mikael Rönnqvist ◽  
Marc Paquet
Keyword(s):  
Planning Process ◽  
Cost Minimization ◽  
Forest Products ◽  
Management Plan ◽  
Mixed Integer ◽  
Planning Problem ◽  
Economic Activities ◽  
Planning Strategy ◽  
Planning Decision ◽  
The Government

In Canada, most of the forests are publicly owned and forest products companies depend on timber licenses issued by the provincial governments for their wood supplies. According to the Sustainable Forest Development Act effective in the province of Quebec since April 2013, the government is responsible for harvest area selection and timber allocation to companies. This is a complex tactical planning decision with important impacts on downstream economic activities. Moreover, to avoid high grading of forest resources and to determine a sustainable tactical plan that ensures a stable level of availability, quality, and cost of supply over several years, it is necessary to take these criteria into consideration simultaneously during the planning process. We propose a mixed-integer nonlinear goal-programming formulation while employing Nadir theory as a reliable scaling technique to model this multi-objective planning problem. The model is solved by a linearization approach for a real case in the province of Quebec. The proposed solution method enables us to obtain good-quality solutions for relatively large cases. Results show that the proposed model outperforms conventional cost-minimization planning strategy by ensuring a more balanced use of wood supply and costs for all stakeholders over a longer period.

scholarly journals Modeling Impacts of Forest Roads on Recreation Opportunities

1997 ◽  
Vol 14 (4) ◽  
pp. 194-201 ◽  
Author(s):  
LLoyd P. Queen ◽  
Jonathan C. Vlaming ◽  
Greg J. Arthaud ◽  
David W. Lime
Keyword(s):  
Spatial Data ◽  
Planning Process ◽  
Transportation Network ◽  
Transportation Systems ◽  
Recreation Planning ◽  
The Road ◽  
Recreation Opportunities ◽  
Physical Recreation ◽  
Area North

Abstract Transportation systems are one of the key components of forest recreation activities, yet they are often overlooked and seldom adequately considered in the planning process. This paper presents a road impact model (RIM) used to analyze transportation networks to determine their impact on recreation opportunities in an area. Four categories of opportunities are considered in this analysis: experiential recreation, physical recreation, transportation network, and aesthetics. The RIM model is demonstrated on a test area utilizing a geographic information system (GIS) to aid in spatial data handling. The case study presents and demonstrates an assessment framework based on simplified interpretations of the four identified opportunity classes. This spatially explicit approach will aid recreation planning through providing information on current recreation opportunities and on potential recreation opportunities driven by changes to the road or trail systems in an area. North. J. Appl. For. 14(4):194-201.

scholarly journals Environment mapping, map constructing, and path planning for underwater navigation of a low-cost µAUV in a cluttered nuclear storage pond

2019 ◽  
Vol 8 (4) ◽  
pp. 277
Author(s):  
Yibin Peng ◽  
Peter N. Green
Keyword(s):  
Path Planning ◽  
Planning Process ◽  
Autonomous Underwater Vehicle ◽  
Low Cost ◽  
Route Planning ◽  
Sonar Sensors ◽  
Underwater Environment ◽  
Novel Approach ◽  
Integrate Environment ◽  
Planning Algorithm

This paper presents a novel approach that enables a low-cost µAUV (micro autonomous underwater vehicle) navigate and work safely in an enclosed cluttered underwater environment. In order to achieve a autonomy collision-free navigation in underwater, it requires a reliable approach that would allow a µAUV which equipped with sparse and inaccurate sonar sensors to map the underwater environment, a map constructing algorithm that converts the obtained data to useful information to establish a map, and a path planning algorithm that plans a collision-free path from the start to the desired goal. The proposed approach will integrate environment survey, environment reconstruction, and path planning as a completed task, which involves map acquisition and path planning. A complete simulation of the environment topology acquisition and route planning process is documented in this paper.

scholarly journals The Energy-Efficient Dynamic Route Planning for Electric Vehicles

2019 ◽  
Vol 2019 ◽  
pp. 1-16
Author(s):  
Wenjuan Zhou ◽  
Li Wang
Keyword(s):  
Energy Consumption ◽  
Travel Time ◽  
Electric Vehicles ◽  
Energy Efficient ◽  
Programming Model ◽  
Transportation Network ◽  
Route Planning ◽  
Planning Problem ◽  
Total Energy Consumption ◽  
Driving Mode

Aiming to provide an approach for finding energy-efficient routes in dynamic and stochastic transportation networks for electric vehicles, this paper addresses the route planning problem in dynamic transportation network where the link travel times are assumed to be random variables to minimize total energy consumption and travel time. The changeable signals are introduced to establish state-space-time network to describe the realistic dynamic traffic network and also used to adjust the travel time according to the signal information (signal cycle, green time, and red time). By adjusting the travel time, the electric vehicle can achieve a nonstop driving mode during the traveling. Further, the nonstop driving mode could avoid frequent acceleration and deceleration at the signal intersections so as to reduce the energy consumption. Therefore, the dynamically adjusted travel time can save the energy and eliminate the waiting time. A multiobjective 0-1 integer programming model is formulated to find the optimal routes. Two methods are presented to transform the multiobjective optimization problem into a single objective problem. To verify the validity of the model, a specific simulation is conducted on a test network. The results indicate that the shortest travel time and the energy consumption of the planning route can be significantly reduced, demonstrating the effectiveness of the proposed approaches.

scholarly journals Appraising Protected Area Management Planning in Nepal

1970 ◽  
Vol 4 ◽  
pp. 69-81 ◽  
Author(s):  
Buddi Sagar Poudel
Keyword(s):  
Protected Area ◽  
Planning Process ◽  
Management Plan ◽  
Protected Area Management ◽  
Management Planning ◽  
The Road ◽  
Road Map ◽  
Legal Provisions ◽  
The Status ◽  
Area Management

This paper distils Nepal's experience on protected area management planning, with particular reference to implementation of management plan. It also reviews the status of PA management plan and legal provisions related to management plan. Management plan is the road map to guide conservation efforts and sets out the desired future of protected area. Five-year management plan of protected areas have been prepared and implemented. Although park management plans were formulated for most of the parks and reserves, there remained wide gaps during its timely and effective implementation. The aim of this paper is to answer the question "what are the issues in management planning process and implementation". Building on the strength of the past and keeping the existing weaknesses in mind, the management effectiveness should be evaluated and improved.DOI: http://dx.doi.org/10.3126/init.v4i0.5538The Initiation Vol.4 2011 69-81

Participatory Mapping in Browns Canyon National Monument, Colorado (USA)

2017 ◽  
Vol 1 (1) ◽  
pp. 1-16
Author(s):  
John Harner ◽  
Lee Cerveny ◽  
Rebecca Gronewold
Keyword(s):  
Land Management ◽  
Planning Process ◽  
Management Plan ◽  
Bureau Of Land Management ◽  
National Monument ◽  
Resource Managers ◽  
Different Types ◽  
Us Forest Service ◽  
Natural Resource Managers

Natural resource managers need up-to-date information about how people interact with public lands and the meanings these places hold for use in planning and decision-making. This case study explains the use of public participatory Geographic Information System (GIS) to generate and analyze spatial patterns of the uses and values people hold for the Browns Canyon National Monument in Colorado. Participants drew on maps and answered questions at both live community meetings and online sessions to develop a series of maps showing detailed responses to different types of resource uses and landscape values. Results can be disaggregated by interaction types, different meaningful values, respondent characteristics, seasonality, or frequency of visit. The study was a test for the Bureau of Land Management and US Forest Service, who jointly manage the monument as they prepare their land management plan. If the information generated is as helpful throughout the entire planning process as initial responses seem, this protocol could become a component of the Bureau’s planning tool kit.

Sign in / Sign up

Export Citation Format

Share Document