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virtual wall private rover safety

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legop3
2026-07-05 14:57:26 -04:00
parent 40e8adf15a
commit d77ec54bc9
12 changed files with 248 additions and 76 deletions
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server/public/assets/index-DHQ5vi8_.js → server/public/assets/index-BnsUBjx0.js
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server/public/assets/index-BnsUBjx0.js.map
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server/public/assets/index-DHQ5vi8_.js.map
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server/public/index.html
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@@ -78,7 +78,7 @@
<script defer src="https://analytics.otter.land/script.js" data-website-id="82dd56a5-db44-4279-bd1e-a4d9fee39af7" data-domains="rover.otter.land"></script>
<script defer src="https://analytics.otter.land/recorder.js" data-website-id="82dd56a5-db44-4279-bd1e-a4d9fee39af7" data-domains="rover.otter.land" data-sample-rate="0.15" data-mask-level="moderate" data-max-duration="300000"></script>
<title>Roomba Rover</title>
<script type="module" crossorigin src="/assets/index-DHQ5vi8_.js"></script>
<script type="module" crossorigin src="/assets/index-BnsUBjx0.js"></script>
<link rel="stylesheet" crossorigin href="/assets/index-DFtJPk7c.css">
</head>
<body>
server/src/services/roverManager/constants.js
+7
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@@ -26,6 +26,13 @@ const DEFAULT_PRIVATE_SAFETY = Object.freeze({
cliffEnabled: false,
cliffBackoffSpeed: 250,
cliffBackoffMs: 500,
// Private rovers live in the sensitive area, so the virtual wall guard is
// default-on even though the older safety features remain opt-in. A missing
// value from an older rover config should therefore behave like "enabled",
// not like a deliberate disabled setting.
virtualWallEnabled: true,
virtualWallBackoffSpeed: 250,
virtualWallBackoffMs: 500,
triggerCooldownMs: 800,
});
server/src/services/roverManager/mathUtils.js
+20
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@@ -52,6 +52,26 @@ function normalizePrivateSafety(raw = {}) {
5000,
DEFAULT_PRIVATE_SAFETY.cliffBackoffMs,
),
// Unlike most private safety toggles, virtual wall support is meant to be
// enabled by default for private rovers. The nullish check preserves that
// default for older rover configs while still allowing lockdown admins to
// explicitly turn the guard off.
virtualWallEnabled:
source.virtualWallEnabled == null
? DEFAULT_PRIVATE_SAFETY.virtualWallEnabled
: Boolean(source.virtualWallEnabled),
virtualWallBackoffSpeed: clampInt(
source.virtualWallBackoffSpeed,
1,
500,
DEFAULT_PRIVATE_SAFETY.virtualWallBackoffSpeed,
),
virtualWallBackoffMs: clampInt(
source.virtualWallBackoffMs,
100,
5000,
DEFAULT_PRIVATE_SAFETY.virtualWallBackoffMs,
),
triggerCooldownMs: clampInt(
source.triggerCooldownMs,
100,
server/src/services/roverManager/sensorPipeline.js
+80 -5
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@@ -45,6 +45,8 @@ function createSensorPipeline(deps) {
lastOvercurrent: false,
lastBump: false,
lastCliff: false,
lastVirtualWall: false,
lastDriveDirection: null,
});
}
return privateSafetyStates.get(roverId);
@@ -63,6 +65,9 @@ function createSensorPipeline(deps) {
const cooldownMs = clampInt(options.cooldownMs, 100, 10000, DEFAULT_PRIVATE_SAFETY.triggerCooldownMs);
const backoffMs = clampInt(options.backoffMs, 50, 5000, 0);
const backoffSpeed = clampInt(options.backoffSpeed, 0, 500, 0);
const explicitBackoffDrive = options.backoffDrive && typeof options.backoffDrive === 'object'
? options.backoffDrive
: null;
try {
issueCommand(roverId, { type: 'drive', driveDirect: { left: 0, right: 0 } });
issueCommand(roverId, { type: 'motors', motorPwm: { main: 0, side: 0, vacuum: 0 } });
@@ -70,10 +75,14 @@ function createSensorPipeline(deps) {
logger.warn('Private safety stop failed', { roverId, mode, error: err.message });
}
stopSafetyBackoffTimer(roverId);
if (backoffMs > 0 && backoffSpeed > 0) {
if (backoffMs > 0 && (backoffSpeed > 0 || explicitBackoffDrive)) {
// Bump and cliff safety only need a simple straight reverse. Virtual wall
// safety can be hit while turning or arcing, so it may pass an explicit
// per-wheel escape command that reverses the last commanded wheel signs.
const speed = Math.max(SAFETY_BACKOFF_MIN, Math.min(SAFETY_BACKOFF_MAX, -Math.abs(backoffSpeed)));
const backoffDrive = explicitBackoffDrive || { left: speed, right: speed };
try {
issueCommand(roverId, { type: 'drive', driveDirect: { left: speed, right: speed } });
issueCommand(roverId, { type: 'drive', driveDirect: backoffDrive });
} catch (err) {
logger.warn('Private safety backoff failed', { roverId, mode, error: err.message });
}
@@ -100,10 +109,54 @@ function createSensorPipeline(deps) {
publishEvent({
source: 'roverManager',
type: 'rover.privateSafetyTriggered',
payload: { roverId, mode, cooldownMs, backoffMs, backoffSpeed },
payload: { roverId, mode, cooldownMs, backoffMs, backoffSpeed, backoffDrive: explicitBackoffDrive },
});
}
function rememberPrivateDriveDirection(roverId, driveDirect = null) {
if (!roverId || !driveDirect || typeof driveDirect !== 'object') return;
const left = clampInt(driveDirect.left, -500, 500, 0);
const right = clampInt(driveDirect.right, -500, 500, 0);
if (left === 0 && right === 0) return;
const state = getPrivateSafetyState(String(roverId));
// Store signs instead of raw speeds because safety escape speed is its own
// configured value. The thing we need from the driver command is direction,
// not magnitude, so later speed-limit changes cannot make the remembered
// state stale or unsafe.
state.lastDriveDirection = {
left: Math.sign(left),
right: Math.sign(right),
updatedAt: Date.now(),
};
}
function getOppositePrivateDrive(record, speed) {
const state = getPrivateSafetyState(record.id);
const direction = state.lastDriveDirection || null;
const safeSpeed = clampInt(speed, 1, 500, DEFAULT_PRIVATE_SAFETY.virtualWallBackoffSpeed);
if (!direction) {
// If the rover has not received a remembered drive command yet, straight
// reverse is the least surprising escape because virtual walls are meant
// to block forward travel into a restricted area.
return { left: -safeSpeed, right: -safeSpeed };
}
let leftSign = Number(direction.left) || 0;
let rightSign = Number(direction.right) || 0;
if (leftSign === 0 && rightSign === 0) {
leftSign = 1;
rightSign = 1;
} else if (leftSign === 0) {
leftSign = rightSign;
} else if (rightSign === 0) {
rightSign = leftSign;
}
return {
left: -leftSign * safeSpeed,
right: -rightSign * safeSpeed,
};
}
function evaluatePrivateSafety(record, sensors) {
if (!record || !sensors) return;
const roverId = record.id;
@@ -118,14 +171,17 @@ function createSensorPipeline(deps) {
const cliff = Boolean(
sensors?.cliffLeft || sensors?.cliffFrontLeft || sensors?.cliffFrontRight || sensors?.cliffRight,
);
const virtualWall = Boolean(sensors?.virtualWall);
const currentOver = overcurrent;
const currentBump = bump;
const currentCliff = cliff;
const currentVirtualWall = virtualWall;
if (!shouldApplyPrivateSensorSafety(record)) {
state.blockedUntil = 0;
state.lastOvercurrent = currentOver;
state.lastBump = currentBump;
state.lastCliff = currentCliff;
state.lastVirtualWall = currentVirtualWall;
return;
}
const safety = getPrivateSafety(record);
@@ -134,6 +190,7 @@ function createSensorPipeline(deps) {
state.lastOvercurrent = currentOver;
state.lastBump = currentBump;
state.lastCliff = currentCliff;
state.lastVirtualWall = currentVirtualWall;
return;
}
let triggered = false;
@@ -158,11 +215,20 @@ function createSensorPipeline(deps) {
backoffSpeed: safety.cliffBackoffSpeed,
});
triggered = true;
} else if (safety.virtualWallEnabled && currentVirtualWall && !state.lastVirtualWall) {
triggerSafetyAction(record, 'virtualWall', {
cooldownMs: safety.triggerCooldownMs,
backoffMs: safety.virtualWallBackoffMs,
backoffSpeed: safety.virtualWallBackoffSpeed,
backoffDrive: getOppositePrivateDrive(record, safety.virtualWallBackoffSpeed),
});
triggered = true;
}
if (!triggered) state.blockedUntil = 0;
state.lastOvercurrent = currentOver;
state.lastBump = currentBump;
state.lastCliff = currentCliff;
state.lastVirtualWall = currentVirtualWall;
}
function applyPrivateDriveSafety(roverId, socket, driveDirect = null) {
@@ -170,11 +236,20 @@ function createSensorPipeline(deps) {
if (!record || !driveDirect || typeof driveDirect !== 'object') return driveDirect;
if (!shouldApplyPrivateSafety(record, socket)) return driveDirect;
const safety = getPrivateSafety(record);
if (!safety.speedLimitEnabled) return driveDirect;
if (!safety.speedLimitEnabled) {
rememberPrivateDriveDirection(roverId, driveDirect);
return driveDirect;
}
const limit = clampInt(safety.speedLimitMaxWheelSpeed, 1, 500, DEFAULT_PRIVATE_SAFETY.speedLimitMaxWheelSpeed);
const left = clampInt(driveDirect.left, -500, 500, 0);
const right = clampInt(driveDirect.right, -500, 500, 0);
return { ...driveDirect, left: Math.max(-limit, Math.min(limit, left)), right: Math.max(-limit, Math.min(limit, right)) };
const safeDrive = {
...driveDirect,
left: Math.max(-limit, Math.min(limit, left)),
right: Math.max(-limit, Math.min(limit, right)),
};
rememberPrivateDriveDirection(roverId, safeDrive);
return safeDrive;
}
function handlePrivateButtonHold(record, sensors) {