Demonstration of Experiments Coordinated Signal Systems (Labs 6 through 7)

Demonstration of Experiments Coordinated Signal Systems

(Labs 6 through 7)Darcy Bullock

(with extensive help from Anuj Sharma, Mike Inerowicz, Chris Day and Matt Wiesenfeld)

Purdue University15 April 2009

Introduction

Experiments

Structure of Laboratory

Closure: Summary of Key Points Learned

Introduction to “System Controls”

Introduction

Experiments

Parameters impacting capacity

Split = s % × C

Clearance

Cycle Length

Red Green Indication Y R

G = Split – Y i – R i

Effective Gree

Distance

vehicle trajectory

#2#1 Directionof Travel

Parameters impacting progression

The display responds to the control system

The control system responds to the detections

The user responds to the dipslay

The detection system responds to the user

Traffic Control System

Coordination mustMaintain a backgroundCycle to facilitate coordination

How does coordinationinfluence system operation

321 )( ddPFdd

),1min(1

d: control delay to the lane group, s/veh;d1: uniform delay, s/veh;

d2: incremental delay, s/veh;

d3: initial queue delay, s/veh;

PF: progression adjustment factor;Xi: volume to capacity ratio for the lane group

i;C: cycle length, s;gi: effective green time for the lane group i, s;

1. Minimize stops

Offset

2. Minimize Delay for Vehicles that do stop!

3. ProvideSufficient Capacity..

Split, Cycle, and Offset are the main levers for controlling the system..but there is

Engineering Judgment

Engineering Analysis

WeekdaySaturday

Sunday

a) Typical 24-hr Flow Pattern

Morning Timing Plan

Evening Timing Plan

Mid-day Timing Plan

c) Morning Synchro Analysis Timing Report

WeekdaySaturday

FreeMorning Plan

Mid-day PlanEvening Plan

Sunday

b) Discrete Design Volumes

Elements of a Controller DatabaseDetectors Controller Coordinator Time Base Sum

UTDF to NTCIP

Direct Mapping

12, Phase 8, Min Green

8, Max Green

8, Walk

8, Ped CLR

3, Cycle

3, Offset

UTDF to NTCIP

Mapping With Translation

12, Extend

12, Delay

12, Type

8, Veh. Ext.

8, Yellow

8, Red CLR

8, Dual Entry

6, Reference Phase

1, Reference To

UTDF to NTCIP

Mapping with Engineering Judgment

12, Number 8, Phase In Use

8, Ring

3x8, SplitTime

3x8, SplitMode

1, Control Type

NTCIP Parameters Require but Unidentified in UTDF

0 8, Lock Det.

8, Soft Recall

19 28 63

Sum 60 96 81 28 265

Entire Process

Morning Timing Plan

Evening Timing PlanMid-day

Timing Plan

Good Default

Signal Timing DB

Objective of MOST CoordinationExperiments

Introduction

Experiments

Lab 61. Coordination Status Screens2. Detector Mapping3. Detector Extension4. Split Manipulation5. Split Tuning6. Split Allocation Strategies7. Cycle Length Adjustments8. Offset Adjustments9. Lead/Lag10. Capacity Estimation11. Synchro Mapping

Lab 7Pulling together the 270-300 parameters necessary to implement a functional 3 plan system

Introduction

Experiments

Introduction

Experiments

Introduction

Experiments

Introduction

Experiments

Introduction

Experiments

Introduction

Experiments

(a) Effective Splits with Maximum Recall

(b) Effective Splits with Floating Force-Offs

(c) Effective Splits with Fixed Force-Offs

17% 17%

17% 10%

17% 17%

17% 10%

19% 17%

Introduction

Experiments

Controller/ Cycle Length

No. of Vehicles EB Left Turn Pocket

No. of Vehicles WB

Left Turn Pocket

DuringStep 3

2001/1204001/(240) N/A N/A

DuringStep 4

2001/1204001/240

Introduction

Experiments

Step 4 (around 300s)

Step 5 (around 600s)

Offset Quality

Bad (20s)

GoodBad

(20s)Good (60s)

Cycle 1 29 N/A 21 1

Cycle 2 20 N/A 33 4

Table 17 Number of vehicles arriving on red in the EB TH Lanes

Introduction

Experiments

Step 4 Step 6

Lead Lag Lead Lag

Cycle 1 20 N/A 23 10

Introduction

Experiments

Programmed vs. Observed

(a) Effective Splits with Maximum Recall

(b) Effective Splits with Floating Force-Offs

(c) Effective Splits with Fixed Force-Offs

17% 17%

17% 10%

17% 17%

17% 10%

19% 17%

Introduction

Experiments

Morning Timing Plan

Evening Timing Plan

Mid-day Timing Plan

Introduction

Experiments

This is more then a direct mapping from a Synchro printout

Introduction

Experiments

Field Quality Experience…..without the risk

Morning Timing Plan

Evening Timing PlanMid-day

Timing Plan

Good Default

Signal Timing DB

Objective of MOST CoordinationExperiments

Overview of MOST: a hands-on approach to signal timing training: Michael Kyte, University of Idaho

Demonstration of MOST simulation tools: Kiel Ova, PTV America

Demonstration of experiments relating to isolated intersections: Michael Kyte, University of Idaho

Demonstration of experiments relating to coordinated systems: Darcy Bullock, Purdue University

Future of software-in-the-loop simulation training and research: Thomas Urbanik, University of Tennessee, Knoxville

Demonstration of Experiments Coordinated Signal Systems (Labs 6 through 7)

Documents

Coordinated System of Care · Coordinated System of Care • • • 1 . Coordinated System of Care. Quality Improvement Strategy . Overview . The Coordinated System of Care is designed

Guidelines for State TB Training and Demonstration ... - NTI, Bangalore Document.pdf · IEC - Information, Education & Communication IRL - Intermediate Reference Labs LRS - Lala Ram

Design of a Demonstration of Coordinated Housing, …2011/05/11 · demonstration that seeks to transition nursing home residents to the community has identified the lack of service-enriched

UNIFORM GUIDANCE IMPLEMENTATION UPDATEextranet.fredhutch.org/content/dam/public/labs-projects/...Federal Demonstration Partnership (FDP) Update May 2015 Meeting • 3/31/15: New NIH

Automationliterature.rockwellautomation.com/idc/groups/literature/documents/... · most promising trends in automation and process control. The event included hands-on labs, demonstration

Demonstration of the presentation and access technology in classrooms, conference rooms and labs at NTID Chas Johnstone Technology and Information Services

A Focused Demonstration Project: The “Cozy” by Radiator Labs

Inter Cell Interference Mitigation through Coordinated Schedulinggssst.iitkgp.ac.in/GSProjects/DIM/DIM_Coordinated_Scheduling_V2.pdf · Coordinated Scheduling Approaches •Coordinated

Commonwealth Coordinated Care Virginia’s Dual Eligible Financial Alignment Demonstration Kristin Burhop and Emily Carr Virginia Department of Medical Assistance

Coordinated IMS and DB2 Disaster Recovery · Coordinated IMS and DB2 DR: Separate SLB •Coordinated Recovery Point (RP) •RPO = Changes Past the Coordinated RP •Requires application

NIH Public Access coordinated mutagenesis during somatic ...hs.umt.edu/dbs/labs/wright/documents/nihms63517.pdf · in SSs of the non-transcribed strand during simulated transcription

The Early Experience of the Georgetown Medicare .../media/publications/pdfs/georgetown… · the Georgetown Medicare Coordinated Care Demonstration Program Final Report April 20,

Advanced Reactor Technology Demonstration with NRIC · 2020. 12. 11. · NRIC and GAIN are Complementary and Coordinated Efforts to Support the Nuclear Energy Industry •Established

EXPERIMENT 1 DEMONSTRATION OF X-RAY …bavarian/Courses/MSE 227/Labs/1-XRAY_diffraction...EXPERIMENT 1 DEMONSTRATION OF X-RAY DIFFRACTION The activities in this laboratory experiment

Demonstration of Experiments Relating to Isolated Intersections (Labs 2 through 5)

The Mercy Medicare Coordinated Care Demonstration Program ... · MPR Reference No.: 8756-320 The Mercy Medicare Coordinated Care Demonstration Program After One Year Final Report

VON BRAUN LABS S ão Paulo State in Brazil has had a new All Electronic Tolling Collection (AETC) system based on secure RFID since 2012. Von Braun Labs conceived and coordinated all

Digitally Connected Enterprises€¦ · central enabler of an increase in agility of manufacturing com - panies. ... rates three Innovation Labs and a Demonstration Factory (Re -

living labs living labs iving labs

DOCUMENT RESUME ED 343 304 AMTHOR Saxe, Leonard; … › fulltext › ED343304.pdfJohnson Foundation, is a demonstration program intended to develop comprehensive and coordinated systems