feat: optimize lateral paths with SQP

This commit is contained in:
梁薄云
2026-08-04 08:46:24 +08:00
parent f5c69c252b
commit f19df53f73
5 changed files with 583 additions and 5 deletions
@@ -0,0 +1,20 @@
using System;
using System.Threading;
namespace MultiWheelC.TrajectoryPlanning.EMPlanner;
/// <summary>Public lateral-planning entry point backed by the solver-neutral SQP optimizer.</summary>
public sealed class LateralPlanner
{
private readonly SequentialConvexOptimizer _optimizer;
public LateralPlanner(IQpSolver qpSolver)
{
_optimizer = new SequentialConvexOptimizer(qpSolver ?? throw new ArgumentNullException(nameof(qpSolver)));
}
public LateralPlanningResult Plan(LateralPlanningInput input, CancellationToken cancellationToken)
{
return _optimizer.Optimize(input, cancellationToken);
}
}
@@ -0,0 +1,294 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Threading;
namespace MultiWheelC.TrajectoryPlanning.EMPlanner;
/// <summary>Runs bounded lateral SQP iterations and retains only independently validated candidates.</summary>
public sealed class SequentialConvexOptimizer
{
private const double StationTolerance = 1e-12d;
private readonly IQpSolver _qpSolver;
private readonly LateralConstraintBuilder _constraintBuilder;
private readonly LateralGeometryEvaluator _geometryEvaluator;
private readonly LateralSolutionValidator _solutionValidator;
public SequentialConvexOptimizer(IQpSolver qpSolver)
: this(qpSolver, new LateralConstraintBuilder(new LateralObjectiveBuilder()), new LateralGeometryEvaluator(),
new LateralSolutionValidator())
{
}
internal SequentialConvexOptimizer(IQpSolver qpSolver, LateralConstraintBuilder constraintBuilder,
LateralGeometryEvaluator geometryEvaluator, LateralSolutionValidator solutionValidator)
{
_qpSolver = qpSolver ?? throw new ArgumentNullException(nameof(qpSolver));
_constraintBuilder = constraintBuilder ?? throw new ArgumentNullException(nameof(constraintBuilder));
_geometryEvaluator = geometryEvaluator ?? throw new ArgumentNullException(nameof(geometryEvaluator));
_solutionValidator = solutionValidator ?? throw new ArgumentNullException(nameof(solutionValidator));
}
public LateralPlanningResult Optimize(LateralPlanningInput input, CancellationToken cancellationToken)
{
if (input == null)
return Failed(EmPlanningStatus.InvalidInput, "Lateral planning input is required.");
if (!TryCreateSettings(input, out QpSolverSettings settings, out TimeSpan totalBudget, out double convergenceTolerance,
out string configurationFailure))
{
return Failed(EmPlanningStatus.InvalidInput, configurationFailure);
}
LateralCandidate iterate = CreateInitialIterate(input);
var warmStart = Array.Empty<double>();
LateralPath lastValidatedPath = null;
double previousObjective = 0d;
bool hasPreviousObjective = false;
var stopwatch = Stopwatch.StartNew();
for (int iteration = 0; iteration < input.Configuration.Solver.MaximumOuterIterations; iteration++)
{
if (cancellationToken.IsCancellationRequested)
return FallbackOrFailure(lastValidatedPath, EmPlanningStatus.Cancelled, "Lateral SQP was cancelled.");
TimeSpan remainingBudget = totalBudget - stopwatch.Elapsed;
if (remainingBudget <= TimeSpan.Zero)
return FallbackOrFailure(lastValidatedPath, EmPlanningStatus.SolverTimedOut,
"Lateral SQP exhausted its solve budget.");
if (!_constraintBuilder.TryBuild(input, iterate, out QuadraticProgram problem, out string failureReason))
{
return FallbackOrFailure(lastValidatedPath, EmPlanningStatus.LateralInfeasible,
"Lateral SQP constraints are infeasible: " + failureReason);
}
QpSolveResult solved = _qpSolver.Solve(problem,
new QpSolverSettings(settings.MaximumIterations, settings.AbsoluteTolerance, settings.RelativeTolerance,
remainingBudget, settings.EnableWarmStart, settings.EnablePolishing, settings.EnableNativeVerboseOutput),
warmStart, cancellationToken);
if (solved == null)
return FallbackOrFailure(lastValidatedPath, EmPlanningStatus.Failed, "The lateral QP solver returned no result.");
if (solved.Status == QpSolveStatus.TimeLimit || solved.Status == QpSolveStatus.MaximumIterations)
{
return FallbackOrFailure(lastValidatedPath, EmPlanningStatus.SolverTimedOut,
"The lateral QP solver timed out: " + solved.Diagnostic);
}
if (solved.Status == QpSolveStatus.Cancelled)
return FallbackOrFailure(lastValidatedPath, EmPlanningStatus.Cancelled,
"The lateral QP solver was cancelled: " + solved.Diagnostic);
if (solved.Status == QpSolveStatus.PrimalInfeasible || solved.Status == QpSolveStatus.DualInfeasible)
{
return FallbackOrFailure(lastValidatedPath, EmPlanningStatus.LateralInfeasible,
"The lateral QP solver reported infeasibility: " + solved.Diagnostic);
}
if (solved.Status == QpSolveStatus.SolverUnavailable)
return FallbackOrFailure(lastValidatedPath, EmPlanningStatus.SolverUnavailable,
"The lateral QP solver is unavailable: " + solved.Diagnostic);
if (solved.Status != QpSolveStatus.Solved && solved.Status != QpSolveStatus.SolvedInaccurate)
{
return FallbackOrFailure(lastValidatedPath, EmPlanningStatus.Failed,
"The lateral QP solver failed: " + solved.Diagnostic);
}
if (solved.Status == QpSolveStatus.SolvedInaccurate && !HasStrictResiduals(solved, input.Configuration.Solver.StrictResidualTolerance))
{
continue;
}
if (!TryCreateCandidate(input.ReferenceStations, solved.Primal, out LateralCandidate candidate))
continue;
if (!_geometryEvaluator.TryEvaluate(input, candidate, out LateralPath evaluatedPath, out _))
continue;
if (!_solutionValidator.TryValidate(input, candidate, evaluatedPath, out LateralPath validatedPath, out _))
continue;
double maximumLateralChange = MaximumLateralChange(iterate, candidate);
double relativeObjectiveImprovement = hasPreviousObjective
? RelativeObjectiveImprovement(previousObjective, solved.Objective)
: double.PositiveInfinity;
lastValidatedPath = CopyPath(validatedPath);
iterate = candidate;
warmStart = CopyValues(solved.Primal);
previousObjective = solved.Objective;
hasPreviousObjective = true;
if (maximumLateralChange <= convergenceTolerance && relativeObjectiveImprovement <= convergenceTolerance)
return new LateralPlanningResult(EmPlanningStatus.Success, lastValidatedPath, string.Empty);
}
return lastValidatedPath == null
? Failed(EmPlanningStatus.LateralInfeasible, "No independently validated lateral candidate was found.")
: new LateralPlanningResult(EmPlanningStatus.Success, lastValidatedPath, string.Empty);
}
private static bool TryCreateSettings(LateralPlanningInput input, out QpSolverSettings settings, out TimeSpan totalBudget,
out double convergenceTolerance, out string failureReason)
{
settings = null;
totalBudget = TimeSpan.Zero;
convergenceTolerance = 0d;
failureReason = string.Empty;
SolverConfiguration solver = input.Configuration.Solver;
SchedulingConfiguration scheduling = input.Configuration.Scheduling;
if (solver == null || scheduling == null || solver.MaximumOuterIterations <= 0 ||
!IsPositiveFinite(solver.AbsoluteTolerance) || !IsPositiveFinite(solver.RelativeTolerance) ||
!IsPositiveFinite(solver.StrictResidualTolerance) || !IsPositiveFinite(scheduling.SolverTimeoutSeconds))
{
failureReason = "The lateral SQP solver configuration is invalid.";
return false;
}
try
{
totalBudget = TimeSpan.FromSeconds(scheduling.SolverTimeoutSeconds);
settings = new QpSolverSettings(solver.MaximumOsqpIterations, solver.AbsoluteTolerance, solver.RelativeTolerance,
totalBudget, solver.WarmStart, solver.Polish, solver.NativeVerbose);
convergenceTolerance = solver.StrictResidualTolerance;
return true;
}
catch (ArgumentException exception)
{
failureReason = exception.Message;
return false;
}
}
private static LateralCandidate CreateInitialIterate(LateralPlanningInput input)
{
int stationCount = input.ReferenceStations.Count;
var l = new double[stationCount];
var dl = new double[stationCount];
var ddl = new double[stationCount];
var dddl = new double[stationCount - 1];
bool coversAllStations = input.PreviousTrajectorySeed.Count >= 2 &&
input.PreviousTrajectorySeed[0].ReferenceS <= input.ReferenceStations[0] + StationTolerance &&
input.PreviousTrajectorySeed[input.PreviousTrajectorySeed.Count - 1].ReferenceS >=
input.ReferenceStations[stationCount - 1] - StationTolerance;
for (int index = 0; index < stationCount; index++)
{
LateralInterval corridor = input.Corridor.Stations[index];
l[index] = coversAllStations
? InterpolateSeedL(input.PreviousTrajectorySeed, input.ReferenceStations[index])
: Clamp(0d, corridor.MinimumL, corridor.MaximumL);
}
double startDenominator = 1d - input.StartProjection.ReferencePoint.GeometricCurvature *
input.StartProjection.LateralOffset;
l[0] = input.StartProjection.LateralOffset;
dl[0] = startDenominator * Math.Tan(input.StartProjection.HeadingError);
return new LateralCandidate(input.ReferenceStations, l, dl, ddl, dddl);
}
private static bool TryCreateCandidate(IReadOnlyList<double> stations, IReadOnlyList<double> primal,
out LateralCandidate candidate)
{
candidate = null;
if (primal == null)
return false;
try
{
var layout = new LateralVariableLayout(stations.Count);
if (primal.Count != layout.VariableCount)
return false;
var l = new double[layout.StationCount];
var dl = new double[layout.StationCount];
var ddl = new double[layout.StationCount];
var dddl = new double[layout.StationCount - 1];
for (int index = 0; index < layout.StationCount; index++)
{
l[index] = primal[layout.L(index)];
dl[index] = primal[layout.DL(index)];
ddl[index] = primal[layout.DDL(index)];
}
for (int index = 0; index < dddl.Length; index++)
dddl[index] = primal[layout.DDDL(index)];
candidate = new LateralCandidate(stations, l, dl, ddl, dddl);
return true;
}
catch (ArgumentException)
{
return false;
}
}
private static bool HasStrictResiduals(QpSolveResult result, double tolerance)
{
return IsPositiveFinite(tolerance) && result.PrimalResidual >= 0d && result.DualResidual >= 0d &&
result.PrimalResidual <= tolerance && result.DualResidual <= tolerance;
}
private static double MaximumLateralChange(LateralCandidate previous, LateralCandidate current)
{
double maximum = 0d;
for (int index = 0; index < previous.L.Count; index++)
maximum = Math.Max(maximum, Math.Abs(current.L[index] - previous.L[index]));
return maximum;
}
private static double RelativeObjectiveImprovement(double previous, double current)
{
return Math.Abs(previous - current) / Math.Max(1d, Math.Abs(previous));
}
private static LateralPlanningResult FallbackOrFailure(LateralPath path, EmPlanningStatus failureStatus, string failureReason)
{
return path == null
? Failed(failureStatus, failureReason)
: new LateralPlanningResult(EmPlanningStatus.SuccessWithFallback, path, failureReason);
}
private static LateralPlanningResult Failed(EmPlanningStatus status, string reason)
{
return new LateralPlanningResult(status, null, reason);
}
private static LateralPath CopyPath(LateralPath source)
{
var points = new List<LateralPathPoint>(source.Points.Count);
for (int index = 0; index < source.Points.Count; index++)
{
LateralPathPoint point = source.Points[index];
points.Add(new LateralPathPoint(point.ReferenceS, point.PathS, point.L, point.DL, point.DDL, point.DDDL,
point.X, point.Y, point.VehicleYaw, point.GeometricCurvature, point.VehicleCurvature,
point.VehicleCurvatureDerivative));
}
return new LateralPath(points, true);
}
private static double[] CopyValues(IReadOnlyList<double> source)
{
var copy = new double[source.Count];
for (int index = 0; index < source.Count; index++)
copy[index] = source[index];
return copy;
}
private static double InterpolateSeedL(IReadOnlyList<FrenetProjection> seed, double referenceS)
{
if (referenceS <= seed[0].ReferenceS)
return seed[0].LateralOffset;
for (int index = 1; index < seed.Count; index++)
{
if (referenceS <= seed[index].ReferenceS)
{
FrenetProjection lower = seed[index - 1];
FrenetProjection upper = seed[index];
double span = upper.ReferenceS - lower.ReferenceS;
return span <= StationTolerance ? upper.LateralOffset : lower.LateralOffset +
(upper.LateralOffset - lower.LateralOffset) * (referenceS - lower.ReferenceS) / span;
}
}
return seed[seed.Count - 1].LateralOffset;
}
private static double Clamp(double value, double minimum, double maximum)
{
return Math.Max(minimum, Math.Min(maximum, value));
}
private static bool IsPositiveFinite(double value)
{
return !double.IsNaN(value) && !double.IsInfinity(value) && value > 0d;
}
}
@@ -8,11 +8,24 @@ namespace EMPlannerVerificationHost;
internal sealed class FakeQpSolver : IQpSolver
{
private readonly QpSolveResult _result;
private readonly Queue<QpSolveResult> _results;
private readonly List<QuadraticProgram> _problems = new List<QuadraticProgram>();
private readonly List<IReadOnlyList<double>> _warmStarts = new List<IReadOnlyList<double>>();
public FakeQpSolver(QpSolveResult result)
: this(new[] { result })
{
_result = result ?? throw new ArgumentNullException(nameof(result));
}
public FakeQpSolver(IEnumerable<QpSolveResult> results)
{
if (results == null)
throw new ArgumentNullException(nameof(results));
_results = new Queue<QpSolveResult>();
foreach (QpSolveResult result in results)
_results.Enqueue(result ?? throw new ArgumentException("Fake solver results cannot contain null values.", nameof(results)));
if (_results.Count == 0)
throw new ArgumentException("At least one fake solver result is required.", nameof(results));
LastWarmStart = Array.Empty<double>();
}
@@ -22,6 +35,12 @@ internal sealed class FakeQpSolver : IQpSolver
public IReadOnlyList<double> LastWarmStart { get; private set; }
public IReadOnlyList<QuadraticProgram> Problems => new ReadOnlyCollection<QuadraticProgram>(_problems);
public IReadOnlyList<IReadOnlyList<double>> WarmStarts => new ReadOnlyCollection<IReadOnlyList<double>>(_warmStarts);
public int SolveCallCount => _problems.Count;
public QpSolveResult Solve(QuadraticProgram problem, QpSolverSettings settings, IReadOnlyList<double> warmStart,
CancellationToken cancellationToken)
{
@@ -34,6 +53,10 @@ internal sealed class FakeQpSolver : IQpSolver
copy.Add(warmStart[index]);
}
LastWarmStart = new ReadOnlyCollection<double>(copy);
return _result;
_problems.Add(LastProblem);
_warmStarts.Add(LastWarmStart);
if (_results.Count == 0)
throw new InvalidOperationException("Fake solver was called more often than its scripted result sequence.");
return _results.Dequeue();
}
}
@@ -0,0 +1,236 @@
using System;
using System.Collections.Generic;
using System.Threading;
using EMPlannerVerificationHost;
using MultiWheelC.TrajectoryPlanning.CoarsePath;
using MultiWheelC.TrajectoryPlanning.CoarsePath.Vehicle;
using MultiWheelC.TrajectoryPlanning.PathSmoothing;
namespace MultiWheelC.TrajectoryPlanning.EMPlanner;
internal static class LateralIntegrationChecks
{
public static void Run()
{
VerifiesValidatedCandidateSurvivesLaterTimeout();
VerifiesInvalidVectorsAndInaccurateResidualsNeverBecomeFallbacks();
VerifiesTrustRegionWarmStartAndOuterIterationLimit();
VerifiesCancellationAndTimeoutWithoutCandidate();
VerifiesLateralPlannerDelegatesToTheSequentialOptimizer();
}
private static void VerifiesValidatedCandidateSurvivesLaterTimeout()
{
LateralPlanningInput input = CreateInput();
double[] valid = CreatePrimal(input, 0.02d);
var solver = new FakeQpSolver(new[]
{
Result(QpSolveStatus.Solved, valid, 10d),
Result(QpSolveStatus.TimeLimit, Array.Empty<double>(), 10d),
});
LateralPlanningResult result = new SequentialConvexOptimizer(solver).Optimize(input, CancellationToken.None);
Verification.Equal(EmPlanningStatus.SuccessWithFallback, result.Status,
"timeout after an independently validated candidate returns fallback success");
LateralPath fallbackPath = result.Path ?? throw new InvalidOperationException("Fallback path was not returned.");
Verification.True(fallbackPath.IsIndependentlyValidated,
"fallback path remains independently validated");
Verification.NearlyEqual(0.02d, fallbackPath.Points[1].L,
"first valid candidate remains the fallback path");
}
private static void VerifiesInvalidVectorsAndInaccurateResidualsNeverBecomeFallbacks()
{
LateralPlanningInput input = CreateInput();
double[] valid = CreatePrimal(input, 0.02d);
double[] invalid = CreatePrimal(input, 0.40d);
var solver = new FakeQpSolver(new[]
{
Result(QpSolveStatus.Solved, valid, 10d),
Result(QpSolveStatus.Solved, invalid, 9d),
Result(QpSolveStatus.TimeLimit, Array.Empty<double>(), 9d),
});
LateralPlanningResult preserved = new SequentialConvexOptimizer(solver).Optimize(input, CancellationToken.None);
Verification.Equal(EmPlanningStatus.SuccessWithFallback, preserved.Status,
"invalid solved vector does not discard an earlier fallback");
Verification.NearlyEqual(0.02d, preserved.Path.Points[1].L,
"invalid solved vector does not replace the fallback candidate");
var inaccurateResidual = new FakeQpSolver(new[]
{
Result(QpSolveStatus.SolvedInaccurate, valid, 10d, 2e-5d, 0d),
Result(QpSolveStatus.TimeLimit, Array.Empty<double>(), 10d),
});
LateralPlanningResult rejectedResidual = new SequentialConvexOptimizer(inaccurateResidual).Optimize(input,
CancellationToken.None);
Verification.Equal(EmPlanningStatus.SolverTimedOut, rejectedResidual.Status,
"SolvedInaccurate above strict residual threshold is rejected");
Verification.True(ReferenceEquals(null, rejectedResidual.Path),
"rejected inaccurate result does not publish a path");
var inaccurateGeometry = new FakeQpSolver(new[]
{
Result(QpSolveStatus.SolvedInaccurate, invalid, 10d, 0d, 0d),
Result(QpSolveStatus.TimeLimit, Array.Empty<double>(), 10d),
});
LateralPlanningResult rejectedGeometry = new SequentialConvexOptimizer(inaccurateGeometry).Optimize(input,
CancellationToken.None);
Verification.Equal(EmPlanningStatus.SolverTimedOut, rejectedGeometry.Status,
"SolvedInaccurate still requires full independent lateral validation");
}
private static void VerifiesTrustRegionWarmStartAndOuterIterationLimit()
{
LateralPlanningInput input = CreateInput();
var trustSolver = new FakeQpSolver(new[]
{
Result(QpSolveStatus.Solved, CreatePrimal(input, 0.02d), 10d),
Result(QpSolveStatus.TimeLimit, Array.Empty<double>(), 10d),
});
new SequentialConvexOptimizer(trustSolver).Optimize(input, CancellationToken.None);
var layout = new LateralVariableLayout(input.ReferenceStations.Count);
FindSingleVariableBounds(trustSolver.Problems[0], layout.L(1), out double initialLower, out double initialUpper);
FindSingleVariableBounds(trustSolver.Problems[1], layout.L(1), out double nextLower, out double nextUpper);
Verification.NearlyEqual(-0.05d, initialLower, "initial trust-region lower bound");
Verification.NearlyEqual(0.05d, initialUpper, "initial trust-region upper bound");
Verification.NearlyEqual(-0.03d, nextLower, "trust region is centered on previous iterate");
Verification.NearlyEqual(0.07d, nextUpper, "trust region never exceeds 0.05m around previous iterate");
Verification.Equal(layout.VariableCount, trustSolver.WarmStarts[1].Count,
"next QP receives the complete previous primal warm start");
Verification.NearlyEqual(0.02d, trustSolver.WarmStarts[1][layout.L(1)],
"warm start retains the prior lateral iterate");
var limitResults = new List<QpSolveResult>();
for (int index = 1; index <= 5; index++)
limitResults.Add(Result(QpSolveStatus.Solved, CreatePrimal(input, 0.02d * index), 100d - index));
var limitSolver = new FakeQpSolver(limitResults);
LateralPlanningResult limited = new SequentialConvexOptimizer(limitSolver).Optimize(input, CancellationToken.None);
Verification.Equal(5, limitSolver.SolveCallCount, "outer loop stops after at most five QP calls");
Verification.Equal(EmPlanningStatus.Success, limited.Status, "last feasible candidate succeeds at outer iteration limit");
}
private static void VerifiesCancellationAndTimeoutWithoutCandidate()
{
LateralPlanningInput input = CreateInput();
var cancellationSolver = new FakeQpSolver(Result(QpSolveStatus.Solved, CreatePrimal(input, 0d), 1d));
using var cancellation = new CancellationTokenSource();
cancellation.Cancel();
LateralPlanningResult cancelled = new SequentialConvexOptimizer(cancellationSolver).Optimize(input,
cancellation.Token);
Verification.Equal(EmPlanningStatus.Cancelled, cancelled.Status, "cancellation before a solver call is cancelled");
Verification.Equal(0, cancellationSolver.SolveCallCount, "cancelled solve does not invoke the solver");
var timeoutSolver = new FakeQpSolver(Result(QpSolveStatus.TimeLimit, Array.Empty<double>(), 1d));
LateralPlanningResult timeout = new SequentialConvexOptimizer(timeoutSolver).Optimize(input, CancellationToken.None);
Verification.Equal(EmPlanningStatus.SolverTimedOut, timeout.Status,
"timeout without a feasible candidate is solver timed out");
Verification.True(ReferenceEquals(null, timeout.Path), "timeout without candidate does not publish a path");
}
private static void VerifiesLateralPlannerDelegatesToTheSequentialOptimizer()
{
LateralPlanningInput input = CreateInput();
double[] zero = CreatePrimal(input, 0d);
var solver = new FakeQpSolver(new[]
{
Result(QpSolveStatus.Solved, zero, 1d),
Result(QpSolveStatus.Solved, zero, 1d),
});
LateralPlanningResult result = new LateralPlanner(solver).Plan(input, CancellationToken.None);
Verification.Equal(EmPlanningStatus.Success, result.Status, "lateral planner returns SQP success");
}
private static LateralPlanningInput CreateInput()
{
var points = new List<SmoothedPathPoint>
{
Point(0d, 0d),
Point(1d, 1d),
Point(2d, 2d),
};
var segment = new DirectionSegmentView(0, TravelDirection.Forward, points,
new ReferenceBoundary(0, 0d, EmBoundaryType.None, 0d),
new ReferenceBoundary(0, 2d, EmBoundaryType.Goal, 2d), 0d);
var corridor = new StaticCorridor(new[]
{
new LateralInterval(0d, -0.3d, 0.3d, 0d),
new LateralInterval(1d, -0.3d, 0.3d, 0d),
new LateralInterval(2d, -0.3d, 0.3d, 0d),
});
var vehicle = new VehicleParameters
{
LengthMeters = 0.1d,
WidthMeters = 0.1d,
SafetyMarginMeters = 0d,
MaximumCurvaturePerMeter = 1d,
};
return new LateralPlanningInput(segment, corridor,
new FrenetProjection(ReferencePathInterpolator.Interpolate(segment, 0d), 0d, 0d, 0d),
EmTerminalType.Goal, vehicle, EmPlannerConfiguration.CreateDefault(), Array.Empty<FrenetProjection>());
}
private static SmoothedPathPoint Point(double x, double pathS)
{
return new SmoothedPathPoint(x, 0d, 0d, 0d, pathS, TravelDirection.Forward, 0d, 0d, 0d, 1d,
false, SmoothedPathPointSource.Anchor);
}
private static QpSolveResult Result(QpSolveStatus status, IReadOnlyList<double> primal, double objective,
double primalResidual = 0d, double dualResidual = 0d)
{
return new QpSolveResult(status, primal, objective, primalResidual, dualResidual, 1, TimeSpan.Zero,
status.ToString(), string.Empty);
}
private static double[] CreatePrimal(LateralPlanningInput input, double middleL)
{
var layout = new LateralVariableLayout(input.ReferenceStations.Count);
double c = 6d * middleL;
var primal = new double[layout.VariableCount];
primal[layout.L(0)] = 0d;
primal[layout.L(1)] = middleL;
primal[layout.L(2)] = 0d;
primal[layout.DL(0)] = 0d;
primal[layout.DL(1)] = 0d;
primal[layout.DL(2)] = 0d;
primal[layout.DDL(0)] = c;
primal[layout.DDL(1)] = -c;
primal[layout.DDL(2)] = c;
primal[layout.DDDL(0)] = -2d * c;
primal[layout.DDDL(1)] = 2d * c;
return primal;
}
private static void FindSingleVariableBounds(QuadraticProgram problem, int variable, out double lower, out double upper)
{
for (int row = 0; row < problem.ConstraintCount; row++)
{
int matchingEntries = 0;
double coefficient = 0d;
for (int column = 0; column < problem.ConstraintMatrix.ColumnCount; column++)
{
for (int index = problem.ConstraintMatrix.ColumnPointers[column];
index < problem.ConstraintMatrix.ColumnPointers[column + 1]; index++)
{
if (problem.ConstraintMatrix.RowIndices[index] == row)
{
matchingEntries++;
if (column == variable)
coefficient = problem.ConstraintMatrix.Values[index];
}
}
}
if (matchingEntries == 1 && Math.Abs(coefficient - 1d) <= 1e-12d &&
Math.Abs(problem.LowerBounds[row] - problem.UpperBounds[row]) > 1e-12d)
{
lower = problem.LowerBounds[row];
upper = problem.UpperBounds[row];
return;
}
}
throw new InvalidOperationException("Expected single-variable lateral trust-region row was not found.");
}
}
@@ -8,9 +8,9 @@ internal static class Program
{
if (args.Length != 1 || (args[0] != "foundation" && args[0] != "segmentation" && args[0] != "frenet" &&
args[0] != "corridor" && args[0] != "optimization" && args[0] != "osqp" && args[0] != "osqp-loader" && args[0] != "osqp-probe" &&
args[0] != "all-foundation" && args[0] != "lateral-model"))
args[0] != "all-foundation" && args[0] != "lateral-model" && args[0] != "lateral-integration"))
{
Console.Error.WriteLine("Usage: EMPlannerVerificationHost foundation|segmentation|frenet|corridor|optimization|osqp|osqp-loader|all-foundation|lateral-model");
Console.Error.WriteLine("Usage: EMPlannerVerificationHost foundation|segmentation|frenet|corridor|optimization|osqp|osqp-loader|all-foundation|lateral-model|lateral-integration");
return 2;
}
@@ -55,6 +55,11 @@ internal static class Program
MultiWheelC.TrajectoryPlanning.EMPlanner.LateralModelChecks.Run();
Console.WriteLine("PASS lateral-model");
}
if (args[0] == "lateral-integration")
{
MultiWheelC.TrajectoryPlanning.EMPlanner.LateralIntegrationChecks.Run();
Console.WriteLine("PASS lateral-integration");
}
return 0;
}
catch (Exception exception)